./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul5.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX --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 8d05a766c76ac0298c0a80f704d02f1cc9846c5882f0c27837b6bbd7c98f7d2d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:46:04,768 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:46:04,848 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:46:04,856 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:46:04,859 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:46:04,908 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:46:04,909 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:46:04,909 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:46:04,911 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:46:04,916 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:46:04,917 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:46:04,922 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:46:04,922 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:46:04,924 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:46:04,925 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:46:04,925 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:46:04,925 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:46:04,926 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:46:04,926 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:46:04,927 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:46:04,927 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:46:04,928 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:46:04,929 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:46:04,930 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:46:04,930 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:46:04,931 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:46:04,931 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:46:04,932 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:46:04,932 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:46:04,932 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:46:04,934 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:46:04,934 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:46:04,935 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:46:04,935 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:46:04,935 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:46:04,935 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:46:04,936 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:46:04,936 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:46:04,936 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:46:04,936 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:46:04,937 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:46:04,937 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:46:04,937 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_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d05a766c76ac0298c0a80f704d02f1cc9846c5882f0c27837b6bbd7c98f7d2d [2023-11-12 00:46:05,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:46:05,296 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:46:05,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:46:05,301 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:46:05,302 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:46:05,303 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul5.c [2023-11-12 00:46:08,379 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:46:08,680 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:46:08,686 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul5.c [2023-11-12 00:46:08,701 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX/data/893fdfd74/5043ab99339444aa9c9034c5187c48c7/FLAGaab7774df [2023-11-12 00:46:08,719 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX/data/893fdfd74/5043ab99339444aa9c9034c5187c48c7 [2023-11-12 00:46:08,725 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:46:08,729 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:46:08,734 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:46:08,734 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:46:08,740 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:46:08,743 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:46:08" (1/1) ... [2023-11-12 00:46:08,745 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ec838bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:08, skipping insertion in model container [2023-11-12 00:46:08,745 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:46:08" (1/1) ... [2023-11-12 00:46:08,802 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:46:08,989 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul5.c[1244,1257] [2023-11-12 00:46:09,074 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:46:09,088 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:46:09,103 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul5.c[1244,1257] [2023-11-12 00:46:09,177 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:46:09,207 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:46:09,208 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:09 WrapperNode [2023-11-12 00:46:09,208 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:46:09,209 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:46:09,209 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:46:09,210 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:46:09,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:09" (1/1) ... [2023-11-12 00:46:09,237 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:09" (1/1) ... [2023-11-12 00:46:09,308 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 536 [2023-11-12 00:46:09,308 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:46:09,309 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:46:09,310 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:46:09,310 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:46:09,320 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:09" (1/1) ... [2023-11-12 00:46:09,322 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:09" (1/1) ... [2023-11-12 00:46:09,333 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:09" (1/1) ... [2023-11-12 00:46:09,344 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:09" (1/1) ... [2023-11-12 00:46:09,375 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:09" (1/1) ... [2023-11-12 00:46:09,391 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:09" (1/1) ... [2023-11-12 00:46:09,415 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:09" (1/1) ... [2023-11-12 00:46:09,421 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:09" (1/1) ... [2023-11-12 00:46:09,436 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:46:09,487 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:46:09,488 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:46:09,488 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:46:09,489 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:09" (1/1) ... [2023-11-12 00:46:09,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:46:09,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:46:09,523 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:46:09,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:46:09,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:46:09,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:46:09,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:46:09,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:46:09,760 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:46:09,763 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:46:10,509 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:46:11,371 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:46:11,371 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:46:11,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:46:11 BoogieIcfgContainer [2023-11-12 00:46:11,376 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:46:11,381 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:46:11,381 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:46:11,385 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:46:11,386 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:46:08" (1/3) ... [2023-11-12 00:46:11,386 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@286c11c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:46:11, skipping insertion in model container [2023-11-12 00:46:11,387 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:09" (2/3) ... [2023-11-12 00:46:11,388 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@286c11c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:46:11, skipping insertion in model container [2023-11-12 00:46:11,389 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:46:11" (3/3) ... [2023-11-12 00:46:11,390 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mul5.c [2023-11-12 00:46:11,407 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:46:11,408 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:46:11,451 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:46:11,458 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@bd17f54, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:46:11,458 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:46:11,462 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:46:11,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-12 00:46:11,467 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:46:11,467 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-12 00:46:11,468 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:46:11,472 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:46:11,473 INFO L85 PathProgramCache]: Analyzing trace with hash 18146782, now seen corresponding path program 1 times [2023-11-12 00:46:11,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:46:11,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247359058] [2023-11-12 00:46:11,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:46:11,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:46:11,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:46:11,866 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:46:12,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:46:12,173 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:46:12,178 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:46:12,179 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:46:12,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:46:12,189 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:46:12,195 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:46:12,239 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-12 00:46:12,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:46:12 BoogieIcfgContainer [2023-11-12 00:46:12,256 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:46:12,258 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:46:12,259 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:46:12,260 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:46:12,260 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:46:11" (3/4) ... [2023-11-12 00:46:12,264 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:46:12,266 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:46:12,267 INFO L158 Benchmark]: Toolchain (without parser) took 3538.26ms. Allocated memory was 167.8MB in the beginning and 218.1MB in the end (delta: 50.3MB). Free memory was 118.6MB in the beginning and 97.3MB in the end (delta: 21.3MB). Peak memory consumption was 73.7MB. Max. memory is 16.1GB. [2023-11-12 00:46:12,268 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 127.9MB. Free memory is still 71.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:46:12,269 INFO L158 Benchmark]: CACSL2BoogieTranslator took 474.39ms. Allocated memory is still 167.8MB. Free memory was 118.6MB in the beginning and 102.3MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-12 00:46:12,270 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.66ms. Allocated memory is still 167.8MB. Free memory was 102.3MB in the beginning and 94.6MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-12 00:46:12,271 INFO L158 Benchmark]: Boogie Preprocessor took 138.49ms. Allocated memory is still 167.8MB. Free memory was 94.6MB in the beginning and 91.4MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:46:12,276 INFO L158 Benchmark]: RCFGBuilder took 1888.82ms. Allocated memory was 167.8MB in the beginning and 218.1MB in the end (delta: 50.3MB). Free memory was 134.1MB in the beginning and 145.6MB in the end (delta: -11.4MB). Peak memory consumption was 86.7MB. Max. memory is 16.1GB. [2023-11-12 00:46:12,277 INFO L158 Benchmark]: TraceAbstraction took 875.69ms. Allocated memory is still 218.1MB. Free memory was 145.6MB in the beginning and 97.3MB in the end (delta: 48.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-11-12 00:46:12,278 INFO L158 Benchmark]: Witness Printer took 7.42ms. Allocated memory is still 218.1MB. Free memory is still 97.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:46:12,287 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 127.9MB. Free memory is still 71.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 474.39ms. Allocated memory is still 167.8MB. Free memory was 118.6MB in the beginning and 102.3MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.66ms. Allocated memory is still 167.8MB. Free memory was 102.3MB in the beginning and 94.6MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 138.49ms. Allocated memory is still 167.8MB. Free memory was 94.6MB in the beginning and 91.4MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1888.82ms. Allocated memory was 167.8MB in the beginning and 218.1MB in the end (delta: 50.3MB). Free memory was 134.1MB in the beginning and 145.6MB in the end (delta: -11.4MB). Peak memory consumption was 86.7MB. Max. memory is 16.1GB. * TraceAbstraction took 875.69ms. Allocated memory is still 218.1MB. Free memory was 145.6MB in the beginning and 97.3MB in the end (delta: 48.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Witness Printer took 7.42ms. Allocated memory is still 218.1MB. Free memory is still 97.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 107, overapproximation of bitwiseAnd at line 90. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 32); [L30] const SORT_5 msb_SORT_5 = (SORT_5)1 << (32 - 1); [L32] const SORT_8 mask_SORT_8 = (SORT_8)-1 >> (sizeof(SORT_8) * 8 - 10); [L33] const SORT_8 msb_SORT_8 = (SORT_8)1 << (10 - 1); [L35] const SORT_14 mask_SORT_14 = (SORT_14)-1 >> (sizeof(SORT_14) * 8 - 64); [L36] const SORT_14 msb_SORT_14 = (SORT_14)1 << (64 - 1); [L38] const SORT_1 var_10 = 0; [L39] const SORT_14 var_15 = 0; [L40] const SORT_1 var_24 = 1; [L41] const SORT_5 var_28 = 0; [L42] const SORT_8 var_35 = 0; [L43] const SORT_5 var_57 = 1; [L44] const SORT_5 var_61 = 1000; [L45] const SORT_5 var_63 = 3735928559; [L46] const SORT_5 var_66 = 12245771; [L48] SORT_1 input_2; [L49] SORT_1 input_3; [L50] SORT_1 input_4; [L51] SORT_5 input_6; [L52] SORT_5 input_7; [L53] SORT_8 input_9; [L55] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L55] SORT_1 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L56] EXPR __VERIFIER_nondet_ulong() & mask_SORT_14 [L56] SORT_14 state_16 = __VERIFIER_nondet_ulong() & mask_SORT_14; [L57] EXPR __VERIFIER_nondet_ulong() & mask_SORT_14 [L57] SORT_14 state_18 = __VERIFIER_nondet_ulong() & mask_SORT_14; [L58] EXPR __VERIFIER_nondet_uint() & mask_SORT_5 [L58] SORT_5 state_29 = __VERIFIER_nondet_uint() & mask_SORT_5; [L59] EXPR __VERIFIER_nondet_uint() & mask_SORT_5 [L59] SORT_5 state_31 = __VERIFIER_nondet_uint() & mask_SORT_5; [L60] EXPR __VERIFIER_nondet_ushort() & mask_SORT_8 [L60] SORT_8 state_36 = __VERIFIER_nondet_ushort() & mask_SORT_8; [L61] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L61] SORT_1 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L62] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L62] SORT_1 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L63] EXPR __VERIFIER_nondet_uint() & mask_SORT_5 [L63] SORT_5 state_42 = __VERIFIER_nondet_uint() & mask_SORT_5; [L64] EXPR __VERIFIER_nondet_uint() & mask_SORT_5 [L64] SORT_5 state_44 = __VERIFIER_nondet_uint() & mask_SORT_5; [L66] SORT_1 init_12_arg_1 = var_10; [L67] state_11 = init_12_arg_1 [L68] SORT_14 init_17_arg_1 = var_15; [L69] state_16 = init_17_arg_1 [L70] SORT_14 init_19_arg_1 = var_15; [L71] state_18 = init_19_arg_1 [L72] SORT_5 init_30_arg_1 = var_28; [L73] state_29 = init_30_arg_1 [L74] SORT_5 init_32_arg_1 = var_28; [L75] state_31 = init_32_arg_1 [L76] SORT_8 init_37_arg_1 = var_35; [L77] state_36 = init_37_arg_1 [L78] SORT_1 init_39_arg_1 = var_24; [L79] state_38 = init_39_arg_1 [L80] SORT_1 init_41_arg_1 = var_24; [L81] state_40 = init_41_arg_1 [L82] SORT_5 init_43_arg_1 = var_28; [L83] state_42 = init_43_arg_1 [L84] SORT_5 init_45_arg_1 = var_28; [L85] state_44 = init_45_arg_1 VAL [init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, mask_SORT_14=18446744073709551615, mask_SORT_1=1, mask_SORT_5=4294967295, mask_SORT_8=1023, msb_SORT_14=9223372036854775808, msb_SORT_1=1, msb_SORT_5=2147483648, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L88] input_2 = __VERIFIER_nondet_uchar() [L89] input_3 = __VERIFIER_nondet_uchar() [L90] EXPR input_3 & mask_SORT_1 [L90] input_3 = input_3 & mask_SORT_1 [L91] input_4 = __VERIFIER_nondet_uchar() [L92] EXPR input_4 & mask_SORT_1 [L92] input_4 = input_4 & mask_SORT_1 [L93] input_6 = __VERIFIER_nondet_uint() [L94] EXPR input_6 & mask_SORT_5 [L94] input_6 = input_6 & mask_SORT_5 [L95] input_7 = __VERIFIER_nondet_uint() [L96] EXPR input_7 & mask_SORT_5 [L96] input_7 = input_7 & mask_SORT_5 [L97] input_9 = __VERIFIER_nondet_ushort() [L100] SORT_1 var_13_arg_0 = state_11; [L101] SORT_1 var_13 = ~var_13_arg_0; [L102] SORT_14 var_20_arg_0 = state_16; [L103] SORT_14 var_20_arg_1 = state_18; [L104] SORT_1 var_20 = var_20_arg_0 == var_20_arg_1; [L105] SORT_1 var_21_arg_0 = var_13; [L106] SORT_1 var_21_arg_1 = var_20; [L107] EXPR var_21_arg_0 | var_21_arg_1 [L107] SORT_1 var_21 = var_21_arg_0 | var_21_arg_1; [L108] SORT_1 var_25_arg_0 = var_21; [L109] SORT_1 var_25 = ~var_25_arg_0; [L110] SORT_1 var_26_arg_0 = var_24; [L111] SORT_1 var_26_arg_1 = var_25; [L112] EXPR var_26_arg_0 & var_26_arg_1 [L112] SORT_1 var_26 = var_26_arg_0 & var_26_arg_1; [L113] EXPR var_26 & mask_SORT_1 [L113] var_26 = var_26 & mask_SORT_1 [L114] SORT_1 bad_27_arg_0 = var_26; [L115] CALL __VERIFIER_assert(!(bad_27_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, 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, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-12 00:46:12,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX --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 8d05a766c76ac0298c0a80f704d02f1cc9846c5882f0c27837b6bbd7c98f7d2d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:46:14,961 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:46:15,050 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2023-11-12 00:46:15,056 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:46:15,057 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:46:15,083 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:46:15,084 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:46:15,085 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:46:15,085 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:46:15,086 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:46:15,087 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:46:15,087 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:46:15,088 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:46:15,089 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:46:15,089 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:46:15,090 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:46:15,091 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:46:15,092 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:46:15,092 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:46:15,093 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:46:15,093 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:46:15,094 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:46:15,095 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:46:15,095 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:46:15,096 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:46:15,096 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:46:15,097 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:46:15,097 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:46:15,098 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:46:15,098 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:46:15,099 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:46:15,099 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:46:15,100 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:46:15,100 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:46:15,101 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:46:15,101 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:46:15,101 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:46:15,102 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:46:15,102 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:46:15,102 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d05a766c76ac0298c0a80f704d02f1cc9846c5882f0c27837b6bbd7c98f7d2d [2023-11-12 00:46:15,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:46:15,544 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:46:15,547 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:46:15,549 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:46:15,549 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:46:15,551 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul5.c [2023-11-12 00:46:18,792 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:46:19,114 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:46:19,130 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul5.c [2023-11-12 00:46:19,146 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX/data/35c458fe8/e21f4f6f47324136b8d9041cf5f70376/FLAGa66f2a596 [2023-11-12 00:46:19,166 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX/data/35c458fe8/e21f4f6f47324136b8d9041cf5f70376 [2023-11-12 00:46:19,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:46:19,181 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:46:19,186 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:46:19,186 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:46:19,191 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:46:19,192 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:46:19" (1/1) ... [2023-11-12 00:46:19,194 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@475f496a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:19, skipping insertion in model container [2023-11-12 00:46:19,194 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:46:19" (1/1) ... [2023-11-12 00:46:19,243 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:46:19,459 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul5.c[1244,1257] [2023-11-12 00:46:19,582 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:46:19,599 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:46:19,622 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul5.c[1244,1257] [2023-11-12 00:46:19,708 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:46:19,743 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:46:19,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:19 WrapperNode [2023-11-12 00:46:19,744 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:46:19,745 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:46:19,745 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:46:19,746 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:46:19,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:19" (1/1) ... [2023-11-12 00:46:19,786 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:19" (1/1) ... [2023-11-12 00:46:19,836 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 271 [2023-11-12 00:46:19,839 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:46:19,844 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:46:19,845 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:46:19,845 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:46:19,855 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:19" (1/1) ... [2023-11-12 00:46:19,856 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:19" (1/1) ... [2023-11-12 00:46:19,869 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:19" (1/1) ... [2023-11-12 00:46:19,882 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:19" (1/1) ... [2023-11-12 00:46:19,893 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:19" (1/1) ... [2023-11-12 00:46:19,912 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:19" (1/1) ... [2023-11-12 00:46:19,914 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:19" (1/1) ... [2023-11-12 00:46:19,917 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:19" (1/1) ... [2023-11-12 00:46:19,922 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:46:19,926 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:46:19,926 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:46:19,927 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:46:19,928 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:19" (1/1) ... [2023-11-12 00:46:19,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:46:19,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:46:19,969 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:46:19,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:46:20,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:46:20,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:46:20,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:46:20,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:46:20,124 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:46:20,127 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:46:20,695 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:46:20,701 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:46:20,701 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:46:20,703 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:46:20 BoogieIcfgContainer [2023-11-12 00:46:20,703 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:46:20,707 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:46:20,707 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:46:20,710 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:46:20,712 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:46:19" (1/3) ... [2023-11-12 00:46:20,713 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@450cf591 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:46:20, skipping insertion in model container [2023-11-12 00:46:20,713 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:19" (2/3) ... [2023-11-12 00:46:20,715 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@450cf591 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:46:20, skipping insertion in model container [2023-11-12 00:46:20,715 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:46:20" (3/3) ... [2023-11-12 00:46:20,717 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mul5.c [2023-11-12 00:46:20,759 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:46:20,760 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:46:20,819 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:46:20,827 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@397c16b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:46:20,828 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:46:20,833 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) [2023-11-12 00:46:20,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-12 00:46:20,840 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:46:20,840 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-12 00:46:20,841 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:46:20,848 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:46:20,849 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2023-11-12 00:46:20,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:46:20,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1505594958] [2023-11-12 00:46:20,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:46:20,866 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:46:20,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:46:20,878 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:46:20,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-12 00:46:21,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:46:21,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-12 00:46:21,054 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:46:21,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:46:21,348 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:46:21,349 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:46:21,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1505594958] [2023-11-12 00:46:21,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1505594958] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:46:21,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:46:21,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 00:46:21,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605924536] [2023-11-12 00:46:21,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:46:21,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:46:21,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:46:21,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:46:21,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:46:21,395 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) [2023-11-12 00:46:21,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:46:21,751 INFO L93 Difference]: Finished difference Result 19 states and 27 transitions. [2023-11-12 00:46:21,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:46:21,754 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 [2023-11-12 00:46:21,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:46:21,765 INFO L225 Difference]: With dead ends: 19 [2023-11-12 00:46:21,766 INFO L226 Difference]: Without dead ends: 10 [2023-11-12 00:46:21,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:46:21,773 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 3 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 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, 0.3s IncrementalHoareTripleChecker+Time [2023-11-12 00:46:21,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-12 00:46:21,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2023-11-12 00:46:21,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2023-11-12 00:46:21,808 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) [2023-11-12 00:46:21,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2023-11-12 00:46:21,811 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2023-11-12 00:46:21,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:46:21,812 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2023-11-12 00:46:21,813 INFO L496 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) [2023-11-12 00:46:21,813 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2023-11-12 00:46:21,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-12 00:46:21,814 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:46:21,814 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2023-11-12 00:46:21,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:46:22,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:46:22,027 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:46:22,028 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:46:22,028 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2023-11-12 00:46:22,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:46:22,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1698141327] [2023-11-12 00:46:22,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:46:22,030 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:46:22,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:46:22,032 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:46:22,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:46:22,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:46:22,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-12 00:46:22,479 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:46:22,767 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:46:22,768 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:46:23,443 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:46:23,444 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:46:23,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1698141327] [2023-11-12 00:46:23,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1698141327] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:46:23,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1785447087] [2023-11-12 00:46:23,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:46:23,450 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:46:23,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:46:23,458 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:46:23,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-12 00:46:23,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:46:23,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-12 00:46:23,922 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:46:24,098 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:46:24,098 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:46:24,555 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:46:24,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1785447087] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:46:24,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1237436046] [2023-11-12 00:46:24,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:46:24,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:46:24,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:46:24,560 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:46:24,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-12 00:46:24,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:46:24,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-12 00:46:24,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:46:25,147 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:46:25,147 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:46:25,646 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:46:25,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1237436046] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:46:25,646 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-12 00:46:25,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 7, 6] total 11 [2023-11-12 00:46:25,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904437936] [2023-11-12 00:46:25,648 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-12 00:46:25,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-12 00:46:25,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:46:25,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-12 00:46:25,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-11-12 00:46:25,650 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 11 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:46:26,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:46:26,212 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2023-11-12 00:46:26,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-12 00:46:26,212 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 11 states have internal predecessors, (19), 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 [2023-11-12 00:46:26,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:46:26,213 INFO L225 Difference]: With dead ends: 15 [2023-11-12 00:46:26,213 INFO L226 Difference]: Without dead ends: 13 [2023-11-12 00:46:26,214 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 31 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2023-11-12 00:46:26,215 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 16 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-12 00:46:26,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 16 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-12 00:46:26,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2023-11-12 00:46:26,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2023-11-12 00:46:26,219 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) [2023-11-12 00:46:26,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-12 00:46:26,220 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2023-11-12 00:46:26,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:46:26,220 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2023-11-12 00:46:26,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 11 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:46:26,221 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-12 00:46:26,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-12 00:46:26,221 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:46:26,222 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2023-11-12 00:46:26,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-12 00:46:26,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-12 00:46:26,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:46:26,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:46:26,823 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:46:26,823 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:46:26,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2023-11-12 00:46:26,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:46:26,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [351768044] [2023-11-12 00:46:26,824 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-12 00:46:26,825 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:46:26,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:46:26,826 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:46:26,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:46:27,533 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-12 00:46:27,534 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2023-11-12 00:46:27,534 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:46:27,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:46:28,102 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2023-11-12 00:46:28,102 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:46:28,104 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:46:28,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:46:28,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:46:28,309 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1] [2023-11-12 00:46:28,311 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:46:28,380 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-12 00:46:28,381 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-12 00:46:28,381 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-12 00:46:28,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:46:28 BoogieIcfgContainer [2023-11-12 00:46:28,409 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:46:28,409 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:46:28,409 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:46:28,409 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:46:28,410 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:46:20" (3/4) ... [2023-11-12 00:46:28,411 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-12 00:46:28,434 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-12 00:46:28,434 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-12 00:46:28,434 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-12 00:46:28,535 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX/witness.graphml [2023-11-12 00:46:28,535 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:46:28,536 INFO L158 Benchmark]: Toolchain (without parser) took 9355.27ms. Allocated memory was 77.6MB in the beginning and 163.6MB in the end (delta: 86.0MB). Free memory was 53.2MB in the beginning and 118.0MB in the end (delta: -64.8MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2023-11-12 00:46:28,536 INFO L158 Benchmark]: CDTParser took 1.33ms. Allocated memory is still 77.6MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:46:28,537 INFO L158 Benchmark]: CACSL2BoogieTranslator took 558.43ms. Allocated memory was 77.6MB in the beginning and 113.2MB in the end (delta: 35.7MB). Free memory was 52.8MB in the beginning and 89.8MB in the end (delta: -37.0MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2023-11-12 00:46:28,537 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.38ms. Allocated memory is still 113.2MB. Free memory was 89.8MB in the beginning and 87.3MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:46:28,538 INFO L158 Benchmark]: Boogie Preprocessor took 81.23ms. Allocated memory is still 113.2MB. Free memory was 87.3MB in the beginning and 85.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:46:28,538 INFO L158 Benchmark]: RCFGBuilder took 777.19ms. Allocated memory is still 113.2MB. Free memory was 85.2MB in the beginning and 58.8MB in the end (delta: 26.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-12 00:46:28,539 INFO L158 Benchmark]: TraceAbstraction took 7701.72ms. Allocated memory was 113.2MB in the beginning and 163.6MB in the end (delta: 50.3MB). Free memory was 58.4MB in the beginning and 127.6MB in the end (delta: -69.2MB). Peak memory consumption was 61.7MB. Max. memory is 16.1GB. [2023-11-12 00:46:28,539 INFO L158 Benchmark]: Witness Printer took 126.32ms. Allocated memory is still 163.6MB. Free memory was 127.6MB in the beginning and 118.0MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 00:46:28,543 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.33ms. Allocated memory is still 77.6MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 558.43ms. Allocated memory was 77.6MB in the beginning and 113.2MB in the end (delta: 35.7MB). Free memory was 52.8MB in the beginning and 89.8MB in the end (delta: -37.0MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.38ms. Allocated memory is still 113.2MB. Free memory was 89.8MB in the beginning and 87.3MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 81.23ms. Allocated memory is still 113.2MB. Free memory was 87.3MB in the beginning and 85.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 777.19ms. Allocated memory is still 113.2MB. Free memory was 85.2MB in the beginning and 58.8MB in the end (delta: 26.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 7701.72ms. Allocated memory was 113.2MB in the beginning and 163.6MB in the end (delta: 50.3MB). Free memory was 58.4MB in the beginning and 127.6MB in the end (delta: -69.2MB). Peak memory consumption was 61.7MB. Max. memory is 16.1GB. * Witness Printer took 126.32ms. Allocated memory is still 163.6MB. Free memory was 127.6MB in the beginning and 118.0MB in the end (delta: 9.6MB). 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 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 32); [L30] const SORT_5 msb_SORT_5 = (SORT_5)1 << (32 - 1); [L32] const SORT_8 mask_SORT_8 = (SORT_8)-1 >> (sizeof(SORT_8) * 8 - 10); [L33] const SORT_8 msb_SORT_8 = (SORT_8)1 << (10 - 1); [L35] const SORT_14 mask_SORT_14 = (SORT_14)-1 >> (sizeof(SORT_14) * 8 - 64); [L36] const SORT_14 msb_SORT_14 = (SORT_14)1 << (64 - 1); [L38] const SORT_1 var_10 = 0; [L39] const SORT_14 var_15 = 0; [L40] const SORT_1 var_24 = 1; [L41] const SORT_5 var_28 = 0; [L42] const SORT_8 var_35 = 0; [L43] const SORT_5 var_57 = 1; [L44] const SORT_5 var_61 = 1000; [L45] const SORT_5 var_63 = 3735928559; [L46] const SORT_5 var_66 = 12245771; [L48] SORT_1 input_2; [L49] SORT_1 input_3; [L50] SORT_1 input_4; [L51] SORT_5 input_6; [L52] SORT_5 input_7; [L53] SORT_8 input_9; [L55] SORT_1 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L56] SORT_14 state_16 = __VERIFIER_nondet_ulong() & mask_SORT_14; [L57] SORT_14 state_18 = __VERIFIER_nondet_ulong() & mask_SORT_14; [L58] SORT_5 state_29 = __VERIFIER_nondet_uint() & mask_SORT_5; [L59] SORT_5 state_31 = __VERIFIER_nondet_uint() & mask_SORT_5; [L60] SORT_8 state_36 = __VERIFIER_nondet_ushort() & mask_SORT_8; [L61] SORT_1 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L62] SORT_1 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L63] SORT_5 state_42 = __VERIFIER_nondet_uint() & mask_SORT_5; [L64] SORT_5 state_44 = __VERIFIER_nondet_uint() & mask_SORT_5; [L66] SORT_1 init_12_arg_1 = var_10; [L67] state_11 = init_12_arg_1 [L68] SORT_14 init_17_arg_1 = var_15; [L69] state_16 = init_17_arg_1 [L70] SORT_14 init_19_arg_1 = var_15; [L71] state_18 = init_19_arg_1 [L72] SORT_5 init_30_arg_1 = var_28; [L73] state_29 = init_30_arg_1 [L74] SORT_5 init_32_arg_1 = var_28; [L75] state_31 = init_32_arg_1 [L76] SORT_8 init_37_arg_1 = var_35; [L77] state_36 = init_37_arg_1 [L78] SORT_1 init_39_arg_1 = var_24; [L79] state_38 = init_39_arg_1 [L80] SORT_1 init_41_arg_1 = var_24; [L81] state_40 = init_41_arg_1 [L82] SORT_5 init_43_arg_1 = var_28; [L83] state_42 = init_43_arg_1 [L84] SORT_5 init_45_arg_1 = var_28; [L85] state_44 = init_45_arg_1 VAL [init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, mask_SORT_14=18446744073709551615, mask_SORT_1=1, mask_SORT_5=4294967295, mask_SORT_8=1023, msb_SORT_14=9223372036854775808, msb_SORT_1=1, msb_SORT_5=2147483648, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L88] input_2 = __VERIFIER_nondet_uchar() [L89] input_3 = __VERIFIER_nondet_uchar() [L90] input_3 = input_3 & mask_SORT_1 [L91] input_4 = __VERIFIER_nondet_uchar() [L92] input_4 = input_4 & mask_SORT_1 [L93] input_6 = __VERIFIER_nondet_uint() [L94] input_6 = input_6 & mask_SORT_5 [L95] input_7 = __VERIFIER_nondet_uint() [L96] input_7 = input_7 & mask_SORT_5 [L97] input_9 = __VERIFIER_nondet_ushort() [L100] SORT_1 var_13_arg_0 = state_11; [L101] SORT_1 var_13 = ~var_13_arg_0; [L102] SORT_14 var_20_arg_0 = state_16; [L103] SORT_14 var_20_arg_1 = state_18; [L104] SORT_1 var_20 = var_20_arg_0 == var_20_arg_1; [L105] SORT_1 var_21_arg_0 = var_13; [L106] SORT_1 var_21_arg_1 = var_20; [L107] SORT_1 var_21 = var_21_arg_0 | var_21_arg_1; [L108] SORT_1 var_25_arg_0 = var_21; [L109] SORT_1 var_25 = ~var_25_arg_0; [L110] SORT_1 var_26_arg_0 = var_24; [L111] SORT_1 var_26_arg_1 = var_25; [L112] SORT_1 var_26 = var_26_arg_0 & var_26_arg_1; [L113] var_26 = var_26 & mask_SORT_1 [L114] SORT_1 bad_27_arg_0 = var_26; [L115] CALL __VERIFIER_assert(!(bad_27_arg_0)) [L21] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L115] RET __VERIFIER_assert(!(bad_27_arg_0)) [L117] SORT_1 next_51_arg_1 = var_24; [L118] SORT_1 var_33_arg_0 = state_11; [L119] SORT_1 var_33 = ~var_33_arg_0; [L120] var_33 = var_33 & mask_SORT_1 [L121] SORT_5 var_52_arg_0 = state_29; [L122] var_52_arg_0 = var_52_arg_0 & mask_SORT_5 [L123] SORT_14 var_52 = var_52_arg_0; [L124] SORT_5 var_53_arg_0 = state_31; [L125] var_53_arg_0 = var_53_arg_0 & mask_SORT_5 [L126] SORT_14 var_53 = var_53_arg_0; [L127] SORT_14 var_54_arg_0 = var_52; [L128] SORT_14 var_54_arg_1 = var_53; [L129] SORT_14 var_54 = var_54_arg_0 * var_54_arg_1; [L130] SORT_1 var_55_arg_0 = var_33; [L131] SORT_14 var_55_arg_1 = var_15; [L132] SORT_14 var_55_arg_2 = var_54; [L133] SORT_14 var_55 = var_55_arg_0 ? var_55_arg_1 : var_55_arg_2; [L134] var_55 = var_55 & mask_SORT_14 [L135] SORT_14 next_56_arg_1 = var_55; [L136] SORT_1 var_70_arg_0 = state_38; [L137] SORT_1 var_70_arg_1 = state_40; [L138] SORT_1 var_70 = var_70_arg_0 | var_70_arg_1; [L139] var_70 = var_70 & mask_SORT_1 [L140] SORT_8 var_60_arg_0 = state_36; [L141] var_60_arg_0 = var_60_arg_0 & mask_SORT_8 [L142] SORT_5 var_60 = var_60_arg_0; [L143] SORT_5 var_62_arg_0 = var_60; [L144] SORT_5 var_62_arg_1 = var_61; [L145] SORT_1 var_62 = var_62_arg_0 > var_62_arg_1; [L146] SORT_5 var_64_arg_0 = input_6; [L147] SORT_5 var_64_arg_1 = var_63; [L148] SORT_1 var_64 = var_64_arg_0 == var_64_arg_1; [L149] SORT_1 var_65_arg_0 = var_62; [L150] SORT_1 var_65_arg_1 = var_64; [L151] SORT_1 var_65 = var_65_arg_0 & var_65_arg_1; [L152] SORT_5 var_67_arg_0 = input_7; [L153] SORT_5 var_67_arg_1 = var_66; [L154] SORT_1 var_67 = var_67_arg_0 == var_67_arg_1; [L155] SORT_1 var_68_arg_0 = var_65; [L156] SORT_1 var_68_arg_1 = var_67; [L157] SORT_1 var_68 = var_68_arg_0 & var_68_arg_1; [L158] var_68 = var_68 & mask_SORT_1 [L159] SORT_5 var_46_arg_0 = state_42; [L160] var_46_arg_0 = var_46_arg_0 & mask_SORT_5 [L161] SORT_14 var_46 = var_46_arg_0; [L162] SORT_5 var_47_arg_0 = state_44; [L163] var_47_arg_0 = var_47_arg_0 & mask_SORT_5 [L164] SORT_14 var_47 = var_47_arg_0; [L165] SORT_14 var_48_arg_0 = var_46; [L166] SORT_14 var_48_arg_1 = var_47; [L167] SORT_14 var_48 = var_48_arg_0 * var_48_arg_1; [L168] SORT_5 var_58_arg_0 = var_57; [L169] var_58_arg_0 = var_58_arg_0 & mask_SORT_5 [L170] SORT_14 var_58 = var_58_arg_0; [L171] SORT_14 var_59_arg_0 = var_48; [L172] SORT_14 var_59_arg_1 = var_58; [L173] SORT_14 var_59 = var_59_arg_0 + var_59_arg_1; [L174] SORT_1 var_69_arg_0 = var_68; [L175] SORT_14 var_69_arg_1 = var_59; [L176] SORT_14 var_69_arg_2 = var_48; [L177] SORT_14 var_69 = var_69_arg_0 ? var_69_arg_1 : var_69_arg_2; [L178] SORT_1 var_71_arg_0 = var_70; [L179] SORT_14 var_71_arg_1 = var_69; [L180] SORT_14 var_71_arg_2 = state_18; [L181] SORT_14 var_71 = var_71_arg_0 ? var_71_arg_1 : var_71_arg_2; [L182] SORT_1 var_72_arg_0 = var_33; [L183] SORT_14 var_72_arg_1 = var_15; [L184] SORT_14 var_72_arg_2 = var_71; [L185] SORT_14 var_72 = var_72_arg_0 ? var_72_arg_1 : var_72_arg_2; [L186] var_72 = var_72 & mask_SORT_14 [L187] SORT_14 next_73_arg_1 = var_72; [L188] SORT_1 var_74_arg_0 = input_3; [L189] SORT_5 var_74_arg_1 = input_6; [L190] SORT_5 var_74_arg_2 = state_29; [L191] SORT_5 var_74 = var_74_arg_0 ? var_74_arg_1 : var_74_arg_2; [L192] SORT_1 var_75_arg_0 = var_33; [L193] SORT_5 var_75_arg_1 = var_28; [L194] SORT_5 var_75_arg_2 = var_74; [L195] SORT_5 var_75 = var_75_arg_0 ? var_75_arg_1 : var_75_arg_2; [L196] SORT_5 next_76_arg_1 = var_75; [L197] SORT_1 var_77_arg_0 = input_4; [L198] SORT_5 var_77_arg_1 = input_7; [L199] SORT_5 var_77_arg_2 = state_31; [L200] SORT_5 var_77 = var_77_arg_0 ? var_77_arg_1 : var_77_arg_2; [L201] SORT_1 var_78_arg_0 = var_33; [L202] SORT_5 var_78_arg_1 = var_28; [L203] SORT_5 var_78_arg_2 = var_77; [L204] SORT_5 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L205] SORT_5 next_79_arg_1 = var_78; [L206] SORT_1 var_80_arg_0 = var_33; [L207] SORT_8 var_80_arg_1 = input_9; [L208] SORT_8 var_80_arg_2 = state_36; [L209] SORT_8 var_80 = var_80_arg_0 ? var_80_arg_1 : var_80_arg_2; [L210] SORT_8 next_81_arg_1 = var_80; [L211] SORT_1 var_82_arg_0 = var_33; [L212] SORT_1 var_82_arg_1 = var_24; [L213] SORT_1 var_82_arg_2 = input_3; [L214] SORT_1 var_82 = var_82_arg_0 ? var_82_arg_1 : var_82_arg_2; [L215] SORT_1 next_83_arg_1 = var_82; [L216] SORT_1 var_84_arg_0 = var_33; [L217] SORT_1 var_84_arg_1 = var_24; [L218] SORT_1 var_84_arg_2 = input_4; [L219] SORT_1 var_84 = var_84_arg_0 ? var_84_arg_1 : var_84_arg_2; [L220] SORT_1 next_85_arg_1 = var_84; [L221] SORT_1 var_86_arg_0 = input_3; [L222] SORT_5 var_86_arg_1 = input_6; [L223] SORT_5 var_86_arg_2 = state_42; [L224] SORT_5 var_86 = var_86_arg_0 ? var_86_arg_1 : var_86_arg_2; [L225] SORT_1 var_87_arg_0 = var_33; [L226] SORT_5 var_87_arg_1 = var_28; [L227] SORT_5 var_87_arg_2 = var_86; [L228] SORT_5 var_87 = var_87_arg_0 ? var_87_arg_1 : var_87_arg_2; [L229] SORT_5 next_88_arg_1 = var_87; [L230] SORT_1 var_89_arg_0 = input_4; [L231] SORT_5 var_89_arg_1 = input_7; [L232] SORT_5 var_89_arg_2 = state_44; [L233] SORT_5 var_89 = var_89_arg_0 ? var_89_arg_1 : var_89_arg_2; [L234] SORT_1 var_90_arg_0 = var_33; [L235] SORT_5 var_90_arg_1 = var_28; [L236] SORT_5 var_90_arg_2 = var_89; [L237] SORT_5 var_90 = var_90_arg_0 ? var_90_arg_1 : var_90_arg_2; [L238] SORT_5 next_91_arg_1 = var_90; [L240] state_11 = next_51_arg_1 [L241] state_16 = next_56_arg_1 [L242] state_18 = next_73_arg_1 [L243] state_29 = next_76_arg_1 [L244] state_31 = next_79_arg_1 [L245] state_36 = next_81_arg_1 [L246] state_38 = next_83_arg_1 [L247] state_40 = next_85_arg_1 [L248] state_42 = next_88_arg_1 [L249] state_44 = next_91_arg_1 VAL [bad_27_arg_0=0, init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, input_3=0, input_4=0, input_6=0, input_7=0, input_9=1008, mask_SORT_14=18446744073709551615, mask_SORT_1=1, mask_SORT_5=4294967295, mask_SORT_8=1023, msb_SORT_14=9223372036854775808, msb_SORT_1=1, msb_SORT_5=2147483648, msb_SORT_8=512, next_51_arg_1=1, next_56_arg_1=0, next_73_arg_1=0, next_76_arg_1=0, next_79_arg_1=0, next_81_arg_1=1008, next_83_arg_1=1, next_85_arg_1=1, next_88_arg_1=0, next_91_arg_1=0, state_11=1, state_16=0, state_18=0, state_29=0, state_31=0, state_36=1008, state_38=1, state_40=1, state_42=0, state_44=0, var_10=0, var_13=255, var_13_arg_0=0, var_15=0, var_20=1, var_20_arg_0=0, var_20_arg_1=0, var_21=255, var_21_arg_0=255, var_21_arg_1=1, var_24=1, var_25=0, var_25_arg_0=255, var_26=0, var_26_arg_0=1, var_26_arg_1=0, var_28=0, var_33=1, var_33_arg_0=0, var_35=0, var_46=0, var_46_arg_0=0, var_47=0, var_47_arg_0=0, var_48=0, var_48_arg_0=0, var_48_arg_1=0, var_52=0, var_52_arg_0=0, var_53=0, var_53_arg_0=0, var_54=0, var_54_arg_0=0, var_54_arg_1=0, var_55=0, var_55_arg_0=1, var_55_arg_1=0, var_55_arg_2=0, var_57=1, var_58=1, var_58_arg_0=1, var_59=1, var_59_arg_0=0, var_59_arg_1=1, var_60=0, var_60_arg_0=0, var_61=1000, var_62=0, var_62_arg_0=0, var_62_arg_1=1000, var_63=3735928559, var_64=0, var_64_arg_0=0, var_64_arg_1=3735928559, var_65=0, var_65_arg_0=0, var_65_arg_1=0, var_66=12245771, var_67=0, var_67_arg_0=0, var_67_arg_1=12245771, var_68=0, var_68_arg_0=0, var_68_arg_1=0, var_69=0, var_69_arg_0=0, var_69_arg_1=1, var_69_arg_2=0, var_70=1, var_70_arg_0=1, var_70_arg_1=1, var_71=0, var_71_arg_0=1, var_71_arg_1=0, var_71_arg_2=0, var_72=0, var_72_arg_0=1, var_72_arg_1=0, var_72_arg_2=0, var_74=0, var_74_arg_0=0, var_74_arg_1=0, var_74_arg_2=0, var_75=0, var_75_arg_0=1, var_75_arg_1=0, var_75_arg_2=0, var_77=0, var_77_arg_0=0, var_77_arg_1=0, var_77_arg_2=0, var_78=0, var_78_arg_0=1, var_78_arg_1=0, var_78_arg_2=0, var_80=1008, var_80_arg_0=1, var_80_arg_1=1008, var_80_arg_2=0, var_82=1, var_82_arg_0=1, var_82_arg_1=1, var_82_arg_2=0, var_84=1, var_84_arg_0=1, var_84_arg_1=1, var_84_arg_2=0, var_86=0, var_86_arg_0=0, var_86_arg_1=0, var_86_arg_2=0, var_87=0, var_87_arg_0=1, var_87_arg_1=0, var_87_arg_2=0, var_89=0, var_89_arg_0=0, var_89_arg_1=0, var_89_arg_2=0, var_90=0, var_90_arg_0=1, var_90_arg_1=0, var_90_arg_2=0] [L88] input_2 = __VERIFIER_nondet_uchar() [L89] input_3 = __VERIFIER_nondet_uchar() [L90] input_3 = input_3 & mask_SORT_1 [L91] input_4 = __VERIFIER_nondet_uchar() [L92] input_4 = input_4 & mask_SORT_1 [L93] input_6 = __VERIFIER_nondet_uint() [L94] input_6 = input_6 & mask_SORT_5 [L95] input_7 = __VERIFIER_nondet_uint() [L96] input_7 = input_7 & mask_SORT_5 [L97] input_9 = __VERIFIER_nondet_ushort() [L100] SORT_1 var_13_arg_0 = state_11; [L101] SORT_1 var_13 = ~var_13_arg_0; [L102] SORT_14 var_20_arg_0 = state_16; [L103] SORT_14 var_20_arg_1 = state_18; [L104] SORT_1 var_20 = var_20_arg_0 == var_20_arg_1; [L105] SORT_1 var_21_arg_0 = var_13; [L106] SORT_1 var_21_arg_1 = var_20; [L107] SORT_1 var_21 = var_21_arg_0 | var_21_arg_1; [L108] SORT_1 var_25_arg_0 = var_21; [L109] SORT_1 var_25 = ~var_25_arg_0; [L110] SORT_1 var_26_arg_0 = var_24; [L111] SORT_1 var_26_arg_1 = var_25; [L112] SORT_1 var_26 = var_26_arg_0 & var_26_arg_1; [L113] var_26 = var_26 & mask_SORT_1 [L114] SORT_1 bad_27_arg_0 = var_26; [L115] CALL __VERIFIER_assert(!(bad_27_arg_0)) [L21] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L115] RET __VERIFIER_assert(!(bad_27_arg_0)) [L117] SORT_1 next_51_arg_1 = var_24; [L118] SORT_1 var_33_arg_0 = state_11; [L119] SORT_1 var_33 = ~var_33_arg_0; [L120] var_33 = var_33 & mask_SORT_1 [L121] SORT_5 var_52_arg_0 = state_29; [L122] var_52_arg_0 = var_52_arg_0 & mask_SORT_5 [L123] SORT_14 var_52 = var_52_arg_0; [L124] SORT_5 var_53_arg_0 = state_31; [L125] var_53_arg_0 = var_53_arg_0 & mask_SORT_5 [L126] SORT_14 var_53 = var_53_arg_0; [L127] SORT_14 var_54_arg_0 = var_52; [L128] SORT_14 var_54_arg_1 = var_53; [L129] SORT_14 var_54 = var_54_arg_0 * var_54_arg_1; [L130] SORT_1 var_55_arg_0 = var_33; [L131] SORT_14 var_55_arg_1 = var_15; [L132] SORT_14 var_55_arg_2 = var_54; [L133] SORT_14 var_55 = var_55_arg_0 ? var_55_arg_1 : var_55_arg_2; [L134] var_55 = var_55 & mask_SORT_14 [L135] SORT_14 next_56_arg_1 = var_55; [L136] SORT_1 var_70_arg_0 = state_38; [L137] SORT_1 var_70_arg_1 = state_40; [L138] SORT_1 var_70 = var_70_arg_0 | var_70_arg_1; [L139] var_70 = var_70 & mask_SORT_1 [L140] SORT_8 var_60_arg_0 = state_36; [L141] var_60_arg_0 = var_60_arg_0 & mask_SORT_8 [L142] SORT_5 var_60 = var_60_arg_0; [L143] SORT_5 var_62_arg_0 = var_60; [L144] SORT_5 var_62_arg_1 = var_61; [L145] SORT_1 var_62 = var_62_arg_0 > var_62_arg_1; [L146] SORT_5 var_64_arg_0 = input_6; [L147] SORT_5 var_64_arg_1 = var_63; [L148] SORT_1 var_64 = var_64_arg_0 == var_64_arg_1; [L149] SORT_1 var_65_arg_0 = var_62; [L150] SORT_1 var_65_arg_1 = var_64; [L151] SORT_1 var_65 = var_65_arg_0 & var_65_arg_1; [L152] SORT_5 var_67_arg_0 = input_7; [L153] SORT_5 var_67_arg_1 = var_66; [L154] SORT_1 var_67 = var_67_arg_0 == var_67_arg_1; [L155] SORT_1 var_68_arg_0 = var_65; [L156] SORT_1 var_68_arg_1 = var_67; [L157] SORT_1 var_68 = var_68_arg_0 & var_68_arg_1; [L158] var_68 = var_68 & mask_SORT_1 [L159] SORT_5 var_46_arg_0 = state_42; [L160] var_46_arg_0 = var_46_arg_0 & mask_SORT_5 [L161] SORT_14 var_46 = var_46_arg_0; [L162] SORT_5 var_47_arg_0 = state_44; [L163] var_47_arg_0 = var_47_arg_0 & mask_SORT_5 [L164] SORT_14 var_47 = var_47_arg_0; [L165] SORT_14 var_48_arg_0 = var_46; [L166] SORT_14 var_48_arg_1 = var_47; [L167] SORT_14 var_48 = var_48_arg_0 * var_48_arg_1; [L168] SORT_5 var_58_arg_0 = var_57; [L169] var_58_arg_0 = var_58_arg_0 & mask_SORT_5 [L170] SORT_14 var_58 = var_58_arg_0; [L171] SORT_14 var_59_arg_0 = var_48; [L172] SORT_14 var_59_arg_1 = var_58; [L173] SORT_14 var_59 = var_59_arg_0 + var_59_arg_1; [L174] SORT_1 var_69_arg_0 = var_68; [L175] SORT_14 var_69_arg_1 = var_59; [L176] SORT_14 var_69_arg_2 = var_48; [L177] SORT_14 var_69 = var_69_arg_0 ? var_69_arg_1 : var_69_arg_2; [L178] SORT_1 var_71_arg_0 = var_70; [L179] SORT_14 var_71_arg_1 = var_69; [L180] SORT_14 var_71_arg_2 = state_18; [L181] SORT_14 var_71 = var_71_arg_0 ? var_71_arg_1 : var_71_arg_2; [L182] SORT_1 var_72_arg_0 = var_33; [L183] SORT_14 var_72_arg_1 = var_15; [L184] SORT_14 var_72_arg_2 = var_71; [L185] SORT_14 var_72 = var_72_arg_0 ? var_72_arg_1 : var_72_arg_2; [L186] var_72 = var_72 & mask_SORT_14 [L187] SORT_14 next_73_arg_1 = var_72; [L188] SORT_1 var_74_arg_0 = input_3; [L189] SORT_5 var_74_arg_1 = input_6; [L190] SORT_5 var_74_arg_2 = state_29; [L191] SORT_5 var_74 = var_74_arg_0 ? var_74_arg_1 : var_74_arg_2; [L192] SORT_1 var_75_arg_0 = var_33; [L193] SORT_5 var_75_arg_1 = var_28; [L194] SORT_5 var_75_arg_2 = var_74; [L195] SORT_5 var_75 = var_75_arg_0 ? var_75_arg_1 : var_75_arg_2; [L196] SORT_5 next_76_arg_1 = var_75; [L197] SORT_1 var_77_arg_0 = input_4; [L198] SORT_5 var_77_arg_1 = input_7; [L199] SORT_5 var_77_arg_2 = state_31; [L200] SORT_5 var_77 = var_77_arg_0 ? var_77_arg_1 : var_77_arg_2; [L201] SORT_1 var_78_arg_0 = var_33; [L202] SORT_5 var_78_arg_1 = var_28; [L203] SORT_5 var_78_arg_2 = var_77; [L204] SORT_5 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L205] SORT_5 next_79_arg_1 = var_78; [L206] SORT_1 var_80_arg_0 = var_33; [L207] SORT_8 var_80_arg_1 = input_9; [L208] SORT_8 var_80_arg_2 = state_36; [L209] SORT_8 var_80 = var_80_arg_0 ? var_80_arg_1 : var_80_arg_2; [L210] SORT_8 next_81_arg_1 = var_80; [L211] SORT_1 var_82_arg_0 = var_33; [L212] SORT_1 var_82_arg_1 = var_24; [L213] SORT_1 var_82_arg_2 = input_3; [L214] SORT_1 var_82 = var_82_arg_0 ? var_82_arg_1 : var_82_arg_2; [L215] SORT_1 next_83_arg_1 = var_82; [L216] SORT_1 var_84_arg_0 = var_33; [L217] SORT_1 var_84_arg_1 = var_24; [L218] SORT_1 var_84_arg_2 = input_4; [L219] SORT_1 var_84 = var_84_arg_0 ? var_84_arg_1 : var_84_arg_2; [L220] SORT_1 next_85_arg_1 = var_84; [L221] SORT_1 var_86_arg_0 = input_3; [L222] SORT_5 var_86_arg_1 = input_6; [L223] SORT_5 var_86_arg_2 = state_42; [L224] SORT_5 var_86 = var_86_arg_0 ? var_86_arg_1 : var_86_arg_2; [L225] SORT_1 var_87_arg_0 = var_33; [L226] SORT_5 var_87_arg_1 = var_28; [L227] SORT_5 var_87_arg_2 = var_86; [L228] SORT_5 var_87 = var_87_arg_0 ? var_87_arg_1 : var_87_arg_2; [L229] SORT_5 next_88_arg_1 = var_87; [L230] SORT_1 var_89_arg_0 = input_4; [L231] SORT_5 var_89_arg_1 = input_7; [L232] SORT_5 var_89_arg_2 = state_44; [L233] SORT_5 var_89 = var_89_arg_0 ? var_89_arg_1 : var_89_arg_2; [L234] SORT_1 var_90_arg_0 = var_33; [L235] SORT_5 var_90_arg_1 = var_28; [L236] SORT_5 var_90_arg_2 = var_89; [L237] SORT_5 var_90 = var_90_arg_0 ? var_90_arg_1 : var_90_arg_2; [L238] SORT_5 next_91_arg_1 = var_90; [L240] state_11 = next_51_arg_1 [L241] state_16 = next_56_arg_1 [L242] state_18 = next_73_arg_1 [L243] state_29 = next_76_arg_1 [L244] state_31 = next_79_arg_1 [L245] state_36 = next_81_arg_1 [L246] state_38 = next_83_arg_1 [L247] state_40 = next_85_arg_1 [L248] state_42 = next_88_arg_1 [L249] state_44 = next_91_arg_1 VAL [bad_27_arg_0=0, init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, input_3=0, input_4=0, input_6=3735928559, input_7=12245771, input_9=0, mask_SORT_14=18446744073709551615, mask_SORT_1=1, mask_SORT_5=4294967295, mask_SORT_8=1023, msb_SORT_14=9223372036854775808, msb_SORT_1=1, msb_SORT_5=2147483648, msb_SORT_8=512, next_51_arg_1=1, next_56_arg_1=0, next_73_arg_1=1, next_76_arg_1=0, next_79_arg_1=0, next_81_arg_1=1008, next_83_arg_1=0, next_85_arg_1=0, next_88_arg_1=0, next_91_arg_1=0, state_11=1, state_16=0, state_18=1, state_29=0, state_31=0, state_36=1008, state_38=0, state_40=0, state_42=0, state_44=0, var_10=0, var_13=254, var_13_arg_0=1, var_15=0, var_20=1, var_20_arg_0=0, var_20_arg_1=0, var_21=255, var_21_arg_0=254, var_21_arg_1=1, var_24=1, var_25=0, var_25_arg_0=255, var_26=0, var_26_arg_0=1, var_26_arg_1=0, var_28=0, var_33=0, var_33_arg_0=1, var_35=0, var_46=0, var_46_arg_0=0, var_47=0, var_47_arg_0=0, var_48=0, var_48_arg_0=0, var_48_arg_1=0, var_52=0, var_52_arg_0=0, var_53=0, var_53_arg_0=0, var_54=0, var_54_arg_0=0, var_54_arg_1=0, var_55=0, var_55_arg_0=0, var_55_arg_1=0, var_55_arg_2=0, var_57=1, var_58=1, var_58_arg_0=1, var_59=1, var_59_arg_0=0, var_59_arg_1=1, var_60=1008, var_60_arg_0=1008, var_61=1000, var_62=1, var_62_arg_0=1008, var_62_arg_1=1000, var_63=3735928559, var_64=1, var_64_arg_0=3735928559, var_64_arg_1=3735928559, var_65=1, var_65_arg_0=1, var_65_arg_1=1, var_66=12245771, var_67=1, var_67_arg_0=12245771, var_67_arg_1=12245771, var_68=1, var_68_arg_0=1, var_68_arg_1=1, var_69=1, var_69_arg_0=1, var_69_arg_1=1, var_69_arg_2=0, var_70=1, var_70_arg_0=1, var_70_arg_1=1, var_71=1, var_71_arg_0=1, var_71_arg_1=1, var_71_arg_2=0, var_72=1, var_72_arg_0=0, var_72_arg_1=0, var_72_arg_2=1, var_74=0, var_74_arg_0=0, var_74_arg_1=3735928559, var_74_arg_2=0, var_75=0, var_75_arg_0=0, var_75_arg_1=0, var_75_arg_2=0, var_77=0, var_77_arg_0=0, var_77_arg_1=12245771, var_77_arg_2=0, var_78=0, var_78_arg_0=0, var_78_arg_1=0, var_78_arg_2=0, var_80=1008, var_80_arg_0=0, var_80_arg_1=0, var_80_arg_2=1008, var_82=0, var_82_arg_0=0, var_82_arg_1=1, var_82_arg_2=0, var_84=0, var_84_arg_0=0, var_84_arg_1=1, var_84_arg_2=0, var_86=0, var_86_arg_0=0, var_86_arg_1=3735928559, var_86_arg_2=0, var_87=0, var_87_arg_0=0, var_87_arg_1=0, var_87_arg_2=0, var_89=0, var_89_arg_0=0, var_89_arg_1=12245771, var_89_arg_2=0, var_90=0, var_90_arg_0=0, var_90_arg_1=0, var_90_arg_2=0] [L88] input_2 = __VERIFIER_nondet_uchar() [L89] input_3 = __VERIFIER_nondet_uchar() [L90] input_3 = input_3 & mask_SORT_1 [L91] input_4 = __VERIFIER_nondet_uchar() [L92] input_4 = input_4 & mask_SORT_1 [L93] input_6 = __VERIFIER_nondet_uint() [L94] input_6 = input_6 & mask_SORT_5 [L95] input_7 = __VERIFIER_nondet_uint() [L96] input_7 = input_7 & mask_SORT_5 [L97] input_9 = __VERIFIER_nondet_ushort() [L100] SORT_1 var_13_arg_0 = state_11; [L101] SORT_1 var_13 = ~var_13_arg_0; [L102] SORT_14 var_20_arg_0 = state_16; [L103] SORT_14 var_20_arg_1 = state_18; [L104] SORT_1 var_20 = var_20_arg_0 == var_20_arg_1; [L105] SORT_1 var_21_arg_0 = var_13; [L106] SORT_1 var_21_arg_1 = var_20; [L107] SORT_1 var_21 = var_21_arg_0 | var_21_arg_1; [L108] SORT_1 var_25_arg_0 = var_21; [L109] SORT_1 var_25 = ~var_25_arg_0; [L110] SORT_1 var_26_arg_0 = var_24; [L111] SORT_1 var_26_arg_1 = var_25; [L112] SORT_1 var_26 = var_26_arg_0 & var_26_arg_1; [L113] var_26 = var_26 & mask_SORT_1 [L114] SORT_1 bad_27_arg_0 = var_26; [L115] CALL __VERIFIER_assert(!(bad_27_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.5s, OverallIterations: 3, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 27 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 22 IncrementalHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 8 mSDtfsCounter, 22 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 33 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=2, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 46 ConstructedInterpolants, 12 QuantifiedInterpolants, 1151 SizeOfPredicates, 120 NumberOfNonLiveVariables, 738 ConjunctsInSsa, 120 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 0/12 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-11-12 00:46:28,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25d1381-22ce-46e6-89e4-e42bf3dc6c42/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE