./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v5.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c2ad67805566e6dd7791a2ce255a6cca7737f047950b2772f8edc9cba4cf8df2 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:46:23,550 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:46:23,685 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 05:46:23,691 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:46:23,692 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:46:23,720 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:46:23,721 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:46:23,721 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:46:23,722 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:46:23,723 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:46:23,723 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:46:23,724 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:46:23,724 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:46:23,725 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:46:23,725 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:46:23,725 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:46:23,726 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:46:23,726 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:46:23,727 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:46:23,728 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:46:23,728 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:46:23,732 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:46:23,733 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:46:23,734 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:46:23,734 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:46:23,734 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:46:23,735 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:46:23,735 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:46:23,736 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:46:23,736 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:46:23,737 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:46:23,737 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:46:23,737 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:46:23,738 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:46:23,738 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:46:23,738 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:46:23,739 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:46:23,744 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:46:23,744 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:46:23,745 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:46:23,748 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:46:23,749 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:46:23,749 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:46:23,749 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:46:23,750 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_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2ad67805566e6dd7791a2ce255a6cca7737f047950b2772f8edc9cba4cf8df2 [2024-11-09 05:46:24,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:46:24,178 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:46:24,181 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:46:24,183 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:46:24,185 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:46:24,186 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v5.c Unable to find full path for "g++" [2024-11-09 05:46:26,570 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:46:26,870 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:46:26,875 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v5.c [2024-11-09 05:46:26,897 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/data/c463b4690/76f03246a0c547f1963636ab9c4c0227/FLAGf279e5130 [2024-11-09 05:46:26,922 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/data/c463b4690/76f03246a0c547f1963636ab9c4c0227 [2024-11-09 05:46:26,926 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:46:26,928 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:46:26,931 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:46:26,933 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:46:26,940 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:46:26,941 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:46:26" (1/1) ... [2024-11-09 05:46:26,943 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35cb7b9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:46:26, skipping insertion in model container [2024-11-09 05:46:26,943 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:46:26" (1/1) ... [2024-11-09 05:46:26,992 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:46:27,313 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v5.c[1249,1262] [2024-11-09 05:46:27,435 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:46:27,451 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:46:27,466 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v5.c[1249,1262] [2024-11-09 05:46:27,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:46:27,552 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:46:27,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:46:27 WrapperNode [2024-11-09 05:46:27,553 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:46:27,556 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:46:27,556 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:46:27,557 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:46:27,567 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:46:27" (1/1) ... [2024-11-09 05:46:27,589 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:46:27" (1/1) ... [2024-11-09 05:46:27,692 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 417 [2024-11-09 05:46:27,692 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:46:27,693 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:46:27,694 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:46:27,694 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:46:27,706 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:46:27" (1/1) ... [2024-11-09 05:46:27,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:46:27" (1/1) ... [2024-11-09 05:46:27,716 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:46:27" (1/1) ... [2024-11-09 05:46:27,716 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:46:27" (1/1) ... [2024-11-09 05:46:27,740 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:46:27" (1/1) ... [2024-11-09 05:46:27,746 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:46:27" (1/1) ... [2024-11-09 05:46:27,754 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:46:27" (1/1) ... [2024-11-09 05:46:27,760 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:46:27" (1/1) ... [2024-11-09 05:46:27,776 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:46:27,781 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:46:27,781 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:46:27,782 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:46:27,783 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:46:27" (1/1) ... [2024-11-09 05:46:27,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:46:27,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:46:27,848 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:46:27,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:46:27,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:46:27,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:46:27,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:46:27,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:46:28,050 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:46:28,052 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:46:28,957 INFO L? ?]: Removed 188 outVars from TransFormulas that were not future-live. [2024-11-09 05:46:28,957 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:46:29,715 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:46:29,715 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:46:29,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:46:29 BoogieIcfgContainer [2024-11-09 05:46:29,716 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:46:29,723 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:46:29,723 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:46:29,727 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:46:29,727 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:46:26" (1/3) ... [2024-11-09 05:46:29,729 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30b8ec11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:46:29, skipping insertion in model container [2024-11-09 05:46:29,729 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:46:27" (2/3) ... [2024-11-09 05:46:29,730 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30b8ec11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:46:29, skipping insertion in model container [2024-11-09 05:46:29,732 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:46:29" (3/3) ... [2024-11-09 05:46:29,734 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.eq_sdp_v5.c [2024-11-09 05:46:29,757 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:46:29,758 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:46:29,869 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:46:29,878 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7e83a4b1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:46:29,878 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:46:29,884 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:29,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 05:46:29,895 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:46:29,897 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-09 05:46:29,898 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:46:29,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:46:29,908 INFO L85 PathProgramCache]: Analyzing trace with hash 14035336, now seen corresponding path program 1 times [2024-11-09 05:46:29,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:46:29,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456602621] [2024-11-09 05:46:29,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:46:29,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:46:30,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:46:30,355 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 05:46:30,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:46:30,597 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 05:46:30,599 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 05:46:30,601 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 05:46:30,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:46:30,610 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 05:46:30,642 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-09 05:46:30,654 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:46:30,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:46:30 BoogieIcfgContainer [2024-11-09 05:46:30,658 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:46:30,659 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:46:30,659 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:46:30,659 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:46:30,660 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:46:29" (3/4) ... [2024-11-09 05:46:30,663 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 05:46:30,665 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:46:30,666 INFO L158 Benchmark]: Toolchain (without parser) took 3738.52ms. Allocated memory was 163.6MB in the beginning and 205.5MB in the end (delta: 41.9MB). Free memory was 127.1MB in the beginning and 137.4MB in the end (delta: -10.3MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2024-11-09 05:46:30,667 INFO L158 Benchmark]: CDTParser took 1.50ms. Allocated memory is still 115.3MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:46:30,668 INFO L158 Benchmark]: CACSL2BoogieTranslator took 623.88ms. Allocated memory is still 163.6MB. Free memory was 126.4MB in the beginning and 120.4MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 05:46:30,668 INFO L158 Benchmark]: Boogie Procedure Inliner took 136.57ms. Allocated memory is still 163.6MB. Free memory was 120.4MB in the beginning and 111.4MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-09 05:46:30,669 INFO L158 Benchmark]: Boogie Preprocessor took 86.99ms. Allocated memory is still 163.6MB. Free memory was 111.4MB in the beginning and 107.8MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 05:46:30,670 INFO L158 Benchmark]: RCFGBuilder took 1935.14ms. Allocated memory is still 163.6MB. Free memory was 107.8MB in the beginning and 59.2MB in the end (delta: 48.6MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. [2024-11-09 05:46:30,672 INFO L158 Benchmark]: TraceAbstraction took 935.32ms. Allocated memory was 163.6MB in the beginning and 205.5MB in the end (delta: 41.9MB). Free memory was 58.3MB in the beginning and 137.4MB in the end (delta: -79.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:46:30,672 INFO L158 Benchmark]: Witness Printer took 6.43ms. Allocated memory is still 205.5MB. Free memory is still 137.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:46:30,678 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.50ms. Allocated memory is still 115.3MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 623.88ms. Allocated memory is still 163.6MB. Free memory was 126.4MB in the beginning and 120.4MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 136.57ms. Allocated memory is still 163.6MB. Free memory was 120.4MB in the beginning and 111.4MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.99ms. Allocated memory is still 163.6MB. Free memory was 111.4MB in the beginning and 107.8MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1935.14ms. Allocated memory is still 163.6MB. Free memory was 107.8MB in the beginning and 59.2MB in the end (delta: 48.6MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. * TraceAbstraction took 935.32ms. Allocated memory was 163.6MB in the beginning and 205.5MB in the end (delta: 41.9MB). Free memory was 58.3MB in the beginning and 137.4MB in the end (delta: -79.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.43ms. Allocated memory is still 205.5MB. Free memory is still 137.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 86. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 8); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (8 - 1); [L29] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 1); [L30] const SORT_5 msb_SORT_5 = (SORT_5)1 << (1 - 1); [L32] const SORT_1 var_9 = 0; [L33] const SORT_5 var_17 = 1; [L34] const SORT_5 var_29 = 0; [L35] const SORT_1 var_75 = 1; [L37] SORT_1 input_2; [L38] SORT_1 input_3; [L39] SORT_1 input_4; [L40] SORT_5 input_6; [L41] SORT_5 input_7; [L42] SORT_5 input_8; [L43] SORT_5 input_27; [L45] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L45] SORT_1 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L46] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L46] SORT_1 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L47] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L47] SORT_1 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L48] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L48] SORT_1 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L49] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L49] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L50] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 [L50] SORT_5 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L51] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L51] SORT_1 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L52] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 [L52] SORT_5 state_34 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L53] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L53] SORT_1 state_36 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L54] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L54] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L55] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L55] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L57] SORT_1 init_11_arg_1 = var_9; [L58] state_10 = init_11_arg_1 [L59] SORT_1 init_13_arg_1 = var_9; [L60] state_12 = init_13_arg_1 [L61] SORT_1 init_22_arg_1 = var_9; [L62] state_21 = init_22_arg_1 [L63] SORT_1 init_24_arg_1 = var_9; [L64] state_23 = init_24_arg_1 [L65] SORT_1 init_26_arg_1 = var_9; [L66] state_25 = init_26_arg_1 [L67] SORT_5 init_31_arg_1 = var_29; [L68] state_30 = init_31_arg_1 [L69] SORT_1 init_33_arg_1 = var_9; [L70] state_32 = init_33_arg_1 [L71] SORT_5 init_35_arg_1 = var_29; [L72] state_34 = init_35_arg_1 [L73] SORT_1 init_37_arg_1 = var_9; [L74] state_36 = init_37_arg_1 [L75] SORT_1 init_40_arg_1 = var_9; [L76] state_39 = init_40_arg_1 [L77] SORT_1 init_42_arg_1 = var_9; [L78] state_41 = init_42_arg_1 VAL [mask_SORT_1=255, mask_SORT_5=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, var_17=1, var_29=0, var_75=1, var_9=0] [L81] input_2 = __VERIFIER_nondet_uchar() [L82] input_3 = __VERIFIER_nondet_uchar() [L83] input_4 = __VERIFIER_nondet_uchar() [L84] input_6 = __VERIFIER_nondet_uchar() [L85] input_7 = __VERIFIER_nondet_uchar() [L86] EXPR input_7 & mask_SORT_5 [L86] input_7 = input_7 & mask_SORT_5 [L87] input_8 = __VERIFIER_nondet_uchar() [L88] EXPR input_8 & mask_SORT_5 [L88] input_8 = input_8 & mask_SORT_5 [L89] input_27 = __VERIFIER_nondet_uchar() [L92] SORT_1 var_14_arg_0 = state_10; [L93] SORT_1 var_14_arg_1 = state_12; [L94] SORT_5 var_14 = var_14_arg_0 == var_14_arg_1; [L95] SORT_5 var_18_arg_0 = var_14; [L96] SORT_5 var_18 = ~var_18_arg_0; [L97] SORT_5 var_19_arg_0 = var_17; [L98] SORT_5 var_19_arg_1 = var_18; [L99] EXPR var_19_arg_0 & var_19_arg_1 [L99] SORT_5 var_19 = var_19_arg_0 & var_19_arg_1; [L100] EXPR var_19 & mask_SORT_5 [L100] var_19 = var_19 & mask_SORT_5 [L101] SORT_5 bad_20_arg_0 = var_19; [L102] CALL __VERIFIER_assert(!(bad_20_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, 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 [2024-11-09 05:46:30,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c2ad67805566e6dd7791a2ce255a6cca7737f047950b2772f8edc9cba4cf8df2 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:46:33,774 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:46:33,852 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2024-11-09 05:46:33,858 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:46:33,859 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:46:33,894 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:46:33,895 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:46:33,896 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:46:33,897 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:46:33,897 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:46:33,898 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:46:33,898 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:46:33,899 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:46:33,899 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:46:33,900 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:46:33,901 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:46:33,902 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:46:33,902 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:46:33,903 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:46:33,904 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:46:33,904 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:46:33,905 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:46:33,905 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 05:46:33,906 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 05:46:33,907 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:46:33,907 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 05:46:33,908 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:46:33,908 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:46:33,909 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:46:33,909 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 05:46:33,910 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:46:33,910 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:46:33,911 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:46:33,911 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:46:33,912 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:46:33,912 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:46:33,913 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 05:46:33,913 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 05:46:33,914 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:46:33,914 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:46:33,915 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2ad67805566e6dd7791a2ce255a6cca7737f047950b2772f8edc9cba4cf8df2 [2024-11-09 05:46:34,406 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:46:34,448 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:46:34,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:46:34,455 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:46:34,455 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:46:34,457 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v5.c Unable to find full path for "g++" [2024-11-09 05:46:37,044 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:46:37,343 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:46:37,345 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v5.c [2024-11-09 05:46:37,364 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/data/4c3d7f709/1ca4ef9180764f5ca6cdbd182eb705e6/FLAG269c2bf8d [2024-11-09 05:46:37,391 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/data/4c3d7f709/1ca4ef9180764f5ca6cdbd182eb705e6 [2024-11-09 05:46:37,397 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:46:37,399 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:46:37,401 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:46:37,401 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:46:37,440 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:46:37,442 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:46:37" (1/1) ... [2024-11-09 05:46:37,446 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1413b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:46:37, skipping insertion in model container [2024-11-09 05:46:37,446 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:46:37" (1/1) ... [2024-11-09 05:46:37,489 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:46:37,772 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v5.c[1249,1262] [2024-11-09 05:46:37,866 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:46:37,881 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:46:37,897 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v5.c[1249,1262] [2024-11-09 05:46:37,985 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:46:38,015 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:46:38,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:46:38 WrapperNode [2024-11-09 05:46:38,016 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:46:38,017 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:46:38,017 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:46:38,017 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:46:38,027 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:46:38" (1/1) ... [2024-11-09 05:46:38,041 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:46:38" (1/1) ... [2024-11-09 05:46:38,080 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 249 [2024-11-09 05:46:38,080 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:46:38,081 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:46:38,081 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:46:38,081 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:46:38,096 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:46:38" (1/1) ... [2024-11-09 05:46:38,097 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:46:38" (1/1) ... [2024-11-09 05:46:38,103 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:46:38" (1/1) ... [2024-11-09 05:46:38,103 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:46:38" (1/1) ... [2024-11-09 05:46:38,115 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:46:38" (1/1) ... [2024-11-09 05:46:38,119 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:46:38" (1/1) ... [2024-11-09 05:46:38,122 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:46:38" (1/1) ... [2024-11-09 05:46:38,124 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:46:38" (1/1) ... [2024-11-09 05:46:38,136 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:46:38,137 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:46:38,138 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:46:38,138 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:46:38,139 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:46:38" (1/1) ... [2024-11-09 05:46:38,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:46:38,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:46:38,185 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:46:38,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:46:38,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:46:38,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 05:46:38,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:46:38,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:46:38,387 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:46:38,390 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:46:38,895 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2024-11-09 05:46:38,895 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:46:38,916 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:46:38,920 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:46:38,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:46:38 BoogieIcfgContainer [2024-11-09 05:46:38,921 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:46:38,924 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:46:38,927 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:46:38,931 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:46:38,932 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:46:37" (1/3) ... [2024-11-09 05:46:38,933 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@536aa9f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:46:38, skipping insertion in model container [2024-11-09 05:46:38,933 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:46:38" (2/3) ... [2024-11-09 05:46:38,933 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@536aa9f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:46:38, skipping insertion in model container [2024-11-09 05:46:38,934 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:46:38" (3/3) ... [2024-11-09 05:46:38,936 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.eq_sdp_v5.c [2024-11-09 05:46:38,960 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:46:38,961 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:46:39,053 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:46:39,062 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7abb8e7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:46:39,064 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:46:39,068 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:39,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 05:46:39,077 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:46:39,078 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-09 05:46:39,079 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:46:39,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:46:39,086 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2024-11-09 05:46:39,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:46:39,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [565390011] [2024-11-09 05:46:39,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:46:39,107 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:46:39,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:46:39,111 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 05:46:39,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-09 05:46:39,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:46:39,343 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 05:46:39,361 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:46:39,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:46:39,668 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:46:39,669 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:46:39,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [565390011] [2024-11-09 05:46:39,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [565390011] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:46:39,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:46:39,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:46:39,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100724524] [2024-11-09 05:46:39,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:46:39,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:46:39,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:46:39,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:46:39,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:46:39,722 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:39,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:46:39,774 INFO L93 Difference]: Finished difference Result 18 states and 26 transitions. [2024-11-09 05:46:39,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:46:39,777 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-09 05:46:39,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:46:39,787 INFO L225 Difference]: With dead ends: 18 [2024-11-09 05:46:39,787 INFO L226 Difference]: Without dead ends: 9 [2024-11-09 05:46:39,792 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:46:39,799 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:46:39,803 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:46:39,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2024-11-09 05:46:39,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-11-09 05:46:39,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:39,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-09 05:46:39,842 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-09 05:46:39,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:46:39,843 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-09 05:46:39,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:39,844 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-09 05:46:39,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 05:46:39,844 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:46:39,845 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-09 05:46:39,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-09 05:46:40,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:46:40,050 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:46:40,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:46:40,051 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2024-11-09 05:46:40,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:46:40,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1885820686] [2024-11-09 05:46:40,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:46:40,056 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:46:40,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:46:40,058 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 05:46:40,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-09 05:46:40,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:46:40,270 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 05:46:40,280 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:46:40,652 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:46:40,653 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:46:43,283 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:46:43,283 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:46:43,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1885820686] [2024-11-09 05:46:43,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1885820686] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:46:43,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1557841778] [2024-11-09 05:46:43,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:46:43,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 05:46:43,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 05:46:43,289 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 05:46:43,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 05:46:43,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:46:43,560 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 05:46:43,566 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:46:43,998 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:46:43,998 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:46:44,640 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:46:44,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1557841778] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:46:44,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [103469942] [2024-11-09 05:46:44,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:46:44,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:46:44,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:46:44,645 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:46:44,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 05:46:44,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:46:44,796 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-09 05:46:44,803 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:46:45,398 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:46:45,398 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:46:46,178 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:46:46,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [103469942] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:46:46,179 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-09 05:46:46,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 6, 6] total 10 [2024-11-09 05:46:46,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876857016] [2024-11-09 05:46:46,181 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-09 05:46:46,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 05:46:46,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:46:46,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 05:46:46,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=64, Unknown=1, NotChecked=0, Total=90 [2024-11-09 05:46:46,187 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:46,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:46:46,597 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2024-11-09 05:46:46,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 05:46:46,598 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-09 05:46:46,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:46:46,599 INFO L225 Difference]: With dead ends: 14 [2024-11-09 05:46:46,599 INFO L226 Difference]: Without dead ends: 12 [2024-11-09 05:46:46,600 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 32 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=40, Invalid=91, Unknown=1, NotChecked=0, Total=132 [2024-11-09 05:46:46,602 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 0 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:46:46,603 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 15 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:46:46,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-11-09 05:46:46,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-11-09 05:46:46,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:46,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-09 05:46:46,608 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2024-11-09 05:46:46,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:46:46,608 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2024-11-09 05:46:46,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:46,609 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-09 05:46:46,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 05:46:46,610 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:46:46,610 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2024-11-09 05:46:46,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-09 05:46:46,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-09 05:46:47,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-09 05:46:47,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:46:47,212 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:46:47,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:46:47,213 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2024-11-09 05:46:47,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:46:47,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1504528772] [2024-11-09 05:46:47,215 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 05:46:47,215 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:46:47,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:46:47,219 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 05:46:47,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-09 05:46:47,449 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 05:46:47,449 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 05:46:47,454 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-09 05:46:47,461 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:46:48,974 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:46:48,974 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:47:01,635 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:47:01,635 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:47:01,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1504528772] [2024-11-09 05:47:01,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1504528772] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:47:01,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1232768412] [2024-11-09 05:47:01,636 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 05:47:01,636 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 05:47:01,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 05:47:01,640 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 05:47:01,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-09 05:47:01,980 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 05:47:01,980 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 05:47:01,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-09 05:47:01,991 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:47:05,759 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:47:05,760 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:47:13,657 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:47:13,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1232768412] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:47:13,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [348328414] [2024-11-09 05:47:13,658 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 05:47:13,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:47:13,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:47:13,661 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:47:13,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 05:47:13,836 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 05:47:13,836 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 05:47:13,839 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-09 05:47:13,849 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:47:19,064 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:47:19,064 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:47:27,865 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:47:27,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [348328414] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:47:27,866 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-09 05:47:27,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 8, 7] total 13 [2024-11-09 05:47:27,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190619456] [2024-11-09 05:47:27,867 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-09 05:47:27,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 05:47:27,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:47:27,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 05:47:27,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=116, Unknown=3, NotChecked=0, Total=156 [2024-11-09 05:47:27,869 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 13 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:32,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:47:32,918 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2024-11-09 05:47:32,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 05:47:32,919 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 13 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-09 05:47:32,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:47:32,920 INFO L225 Difference]: With dead ends: 17 [2024-11-09 05:47:32,920 INFO L226 Difference]: Without dead ends: 15 [2024-11-09 05:47:32,921 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 45 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 17.0s TimeCoverageRelationStatistics Valid=80, Invalid=223, Unknown=3, NotChecked=0, Total=306 [2024-11-09 05:47:32,923 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 0 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 05:47:32,924 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 05:47:32,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-11-09 05:47:32,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-09 05:47:32,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:32,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2024-11-09 05:47:32,930 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 11 [2024-11-09 05:47:32,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:47:32,930 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2024-11-09 05:47:32,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 13 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:32,931 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2024-11-09 05:47:32,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 05:47:32,932 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:47:32,932 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2024-11-09 05:47:32,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-09 05:47:33,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-09 05:47:33,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-11-09 05:47:33,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:47:33,537 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:47:33,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:47:33,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1580781475, now seen corresponding path program 3 times [2024-11-09 05:47:33,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:47:33,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1657644446] [2024-11-09 05:47:33,538 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 05:47:33,539 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:47:33,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:47:33,542 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 05:47:33,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-09 05:47:33,762 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-09 05:47:33,763 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-09 05:47:33,763 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 05:47:33,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:47:34,101 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-09 05:47:34,101 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 05:47:34,103 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 05:47:34,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-09 05:47:34,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:47:34,309 INFO L407 BasicCegarLoop]: Path program histogram: [3, 1] [2024-11-09 05:47:34,349 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-09 05:47:34,349 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-09 05:47:34,349 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-09 05:47:34,350 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-09 05:47:34,379 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:47:34,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:47:34 BoogieIcfgContainer [2024-11-09 05:47:34,383 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:47:34,384 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:47:34,384 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:47:34,384 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:47:34,385 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:46:38" (3/4) ... [2024-11-09 05:47:34,386 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-09 05:47:34,398 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-09 05:47:34,399 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-09 05:47:34,399 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-09 05:47:34,399 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-09 05:47:34,517 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 05:47:34,517 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:47:34,518 INFO L158 Benchmark]: Toolchain (without parser) took 57119.00ms. Allocated memory was 79.7MB in the beginning and 130.0MB in the end (delta: 50.3MB). Free memory was 35.1MB in the beginning and 96.7MB in the end (delta: -61.6MB). Peak memory consumption was 62.6MB. Max. memory is 16.1GB. [2024-11-09 05:47:34,518 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 79.7MB. Free memory was 55.5MB in the beginning and 55.4MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:47:34,519 INFO L158 Benchmark]: CACSL2BoogieTranslator took 615.26ms. Allocated memory is still 79.7MB. Free memory was 34.9MB in the beginning and 41.7MB in the end (delta: -6.8MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2024-11-09 05:47:34,519 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.32ms. Allocated memory is still 79.7MB. Free memory was 41.7MB in the beginning and 38.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:47:34,520 INFO L158 Benchmark]: Boogie Preprocessor took 55.51ms. Allocated memory is still 79.7MB. Free memory was 38.9MB in the beginning and 36.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:47:34,520 INFO L158 Benchmark]: RCFGBuilder took 783.91ms. Allocated memory is still 79.7MB. Free memory was 36.9MB in the beginning and 36.4MB in the end (delta: 501.3kB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2024-11-09 05:47:34,521 INFO L158 Benchmark]: TraceAbstraction took 55459.68ms. Allocated memory was 79.7MB in the beginning and 130.0MB in the end (delta: 50.3MB). Free memory was 35.4MB in the beginning and 32.1MB in the end (delta: 3.3MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB. [2024-11-09 05:47:34,522 INFO L158 Benchmark]: Witness Printer took 133.46ms. Allocated memory is still 130.0MB. Free memory was 32.1MB in the beginning and 96.7MB in the end (delta: -64.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 05:47:34,526 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 79.7MB. Free memory was 55.5MB in the beginning and 55.4MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 615.26ms. Allocated memory is still 79.7MB. Free memory was 34.9MB in the beginning and 41.7MB in the end (delta: -6.8MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.32ms. Allocated memory is still 79.7MB. Free memory was 41.7MB in the beginning and 38.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.51ms. Allocated memory is still 79.7MB. Free memory was 38.9MB in the beginning and 36.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 783.91ms. Allocated memory is still 79.7MB. Free memory was 36.9MB in the beginning and 36.4MB in the end (delta: 501.3kB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * TraceAbstraction took 55459.68ms. Allocated memory was 79.7MB in the beginning and 130.0MB in the end (delta: 50.3MB). Free memory was 35.4MB in the beginning and 32.1MB in the end (delta: 3.3MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB. * Witness Printer took 133.46ms. Allocated memory is still 130.0MB. Free memory was 32.1MB in the beginning and 96.7MB in the end (delta: -64.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 21]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 8); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (8 - 1); [L29] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 1); [L30] const SORT_5 msb_SORT_5 = (SORT_5)1 << (1 - 1); [L32] const SORT_1 var_9 = 0; [L33] const SORT_5 var_17 = 1; [L34] const SORT_5 var_29 = 0; [L35] const SORT_1 var_75 = 1; [L37] SORT_1 input_2; [L38] SORT_1 input_3; [L39] SORT_1 input_4; [L40] SORT_5 input_6; [L41] SORT_5 input_7; [L42] SORT_5 input_8; [L43] SORT_5 input_27; [L45] SORT_1 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L46] SORT_1 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L47] SORT_1 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L48] SORT_1 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L49] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L50] SORT_5 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L51] SORT_1 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L52] SORT_5 state_34 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L53] SORT_1 state_36 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L54] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L55] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L57] SORT_1 init_11_arg_1 = var_9; [L58] state_10 = init_11_arg_1 [L59] SORT_1 init_13_arg_1 = var_9; [L60] state_12 = init_13_arg_1 [L61] SORT_1 init_22_arg_1 = var_9; [L62] state_21 = init_22_arg_1 [L63] SORT_1 init_24_arg_1 = var_9; [L64] state_23 = init_24_arg_1 [L65] SORT_1 init_26_arg_1 = var_9; [L66] state_25 = init_26_arg_1 [L67] SORT_5 init_31_arg_1 = var_29; [L68] state_30 = init_31_arg_1 [L69] SORT_1 init_33_arg_1 = var_9; [L70] state_32 = init_33_arg_1 [L71] SORT_5 init_35_arg_1 = var_29; [L72] state_34 = init_35_arg_1 [L73] SORT_1 init_37_arg_1 = var_9; [L74] state_36 = init_37_arg_1 [L75] SORT_1 init_40_arg_1 = var_9; [L76] state_39 = init_40_arg_1 [L77] SORT_1 init_42_arg_1 = var_9; [L78] state_41 = init_42_arg_1 VAL [mask_SORT_1=-1, mask_SORT_5=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_30=0, state_32=0, state_36=0, state_39=0, state_41=0, var_17=1, var_29=0, var_75=1, var_9=0] [L81] input_2 = __VERIFIER_nondet_uchar() [L82] input_3 = __VERIFIER_nondet_uchar() [L83] input_4 = __VERIFIER_nondet_uchar() [L84] input_6 = __VERIFIER_nondet_uchar() [L85] input_7 = __VERIFIER_nondet_uchar() [L86] input_7 = input_7 & mask_SORT_5 [L87] input_8 = __VERIFIER_nondet_uchar() [L88] input_8 = input_8 & mask_SORT_5 [L89] input_27 = __VERIFIER_nondet_uchar() [L92] SORT_1 var_14_arg_0 = state_10; [L93] SORT_1 var_14_arg_1 = state_12; [L94] SORT_5 var_14 = var_14_arg_0 == var_14_arg_1; [L95] SORT_5 var_18_arg_0 = var_14; [L96] SORT_5 var_18 = ~var_18_arg_0; [L97] SORT_5 var_19_arg_0 = var_17; [L98] SORT_5 var_19_arg_1 = var_18; [L99] SORT_5 var_19 = var_19_arg_0 & var_19_arg_1; [L100] var_19 = var_19 & mask_SORT_5 [L101] SORT_5 bad_20_arg_0 = var_19; [L102] CALL __VERIFIER_assert(!(bad_20_arg_0)) [L21] COND FALSE !(!(cond)) [L102] RET __VERIFIER_assert(!(bad_20_arg_0)) [L104] SORT_5 var_52_arg_0 = input_8; [L105] SORT_5 var_52_arg_1 = var_17; [L106] SORT_5 var_52 = var_52_arg_0 == var_52_arg_1; [L107] SORT_5 var_53_arg_0 = var_52; [L108] SORT_1 var_53_arg_1 = var_9; [L109] SORT_1 var_53_arg_2 = state_41; [L110] SORT_1 var_53 = var_53_arg_0 ? var_53_arg_1 : var_53_arg_2; [L111] var_53 = var_53 & mask_SORT_1 [L112] SORT_1 next_54_arg_1 = var_53; [L113] SORT_5 var_58_arg_0 = input_8; [L114] SORT_5 var_58_arg_1 = var_17; [L115] SORT_5 var_58 = var_58_arg_0 == var_58_arg_1; [L116] SORT_1 var_56_arg_0 = state_36; [L117] SORT_1 var_56_arg_1 = state_32; [L118] SORT_1 var_56 = var_56_arg_0 - var_56_arg_1; [L119] SORT_1 var_55_arg_0 = state_36; [L120] SORT_1 var_55_arg_1 = state_32; [L121] SORT_1 var_55 = var_55_arg_0 - var_55_arg_1; [L122] SORT_5 var_57_arg_0 = state_34; [L123] SORT_1 var_57_arg_1 = var_56; [L124] SORT_1 var_57_arg_2 = var_55; [L125] SORT_1 var_57 = var_57_arg_0 ? var_57_arg_1 : var_57_arg_2; [L126] SORT_5 var_59_arg_0 = var_58; [L127] SORT_1 var_59_arg_1 = var_9; [L128] SORT_1 var_59_arg_2 = var_57; [L129] SORT_1 var_59 = var_59_arg_0 ? var_59_arg_1 : var_59_arg_2; [L130] var_59 = var_59 & mask_SORT_1 [L131] SORT_1 next_60_arg_1 = var_59; [L132] SORT_5 var_61_arg_0 = var_58; [L133] SORT_1 var_61_arg_1 = var_9; [L134] SORT_1 var_61_arg_2 = input_2; [L135] SORT_1 var_61 = var_61_arg_0 ? var_61_arg_1 : var_61_arg_2; [L136] SORT_1 next_62_arg_1 = var_61; [L137] SORT_5 var_63_arg_0 = var_58; [L138] SORT_1 var_63_arg_1 = var_9; [L139] SORT_1 var_63_arg_2 = input_3; [L140] SORT_1 var_63 = var_63_arg_0 ? var_63_arg_1 : var_63_arg_2; [L141] SORT_1 next_64_arg_1 = var_63; [L142] SORT_5 var_65_arg_0 = var_58; [L143] SORT_1 var_65_arg_1 = var_9; [L144] SORT_1 var_65_arg_2 = input_4; [L145] SORT_1 var_65 = var_65_arg_0 ? var_65_arg_1 : var_65_arg_2; [L146] SORT_1 next_66_arg_1 = var_65; [L147] SORT_5 var_67_arg_0 = var_58; [L148] SORT_5 var_67_arg_1 = var_29; [L149] SORT_5 var_67_arg_2 = input_7; [L150] SORT_5 var_67 = var_67_arg_0 ? var_67_arg_1 : var_67_arg_2; [L151] SORT_5 next_68_arg_1 = var_67; [L152] SORT_5 var_69_arg_0 = var_58; [L153] SORT_1 var_69_arg_1 = var_9; [L154] SORT_1 var_69_arg_2 = state_25; [L155] SORT_1 var_69 = var_69_arg_0 ? var_69_arg_1 : var_69_arg_2; [L156] SORT_1 next_70_arg_1 = var_69; [L157] SORT_5 var_71_arg_0 = var_58; [L158] SORT_5 var_71_arg_1 = var_29; [L159] SORT_5 var_71_arg_2 = state_30; [L160] SORT_5 var_71 = var_71_arg_0 ? var_71_arg_1 : var_71_arg_2; [L161] var_71 = var_71 & mask_SORT_5 [L162] SORT_5 next_72_arg_1 = var_71; [L163] SORT_1 var_76_arg_0 = state_21; [L164] SORT_1 var_76_arg_1 = var_75; [L165] SORT_1 var_76 = var_76_arg_0 & var_76_arg_1; [L166] var_76 = var_76 & mask_SORT_1 [L167] SORT_1 var_77_arg_0 = var_76; [L168] SORT_1 var_77_arg_1 = var_75; [L169] SORT_5 var_77 = var_77_arg_0 == var_77_arg_1; [L170] SORT_1 var_74_arg_0 = state_21; [L171] SORT_1 var_74_arg_1 = state_23; [L172] SORT_1 var_74 = var_74_arg_0 + var_74_arg_1; [L173] SORT_1 var_73_arg_0 = state_21; [L174] SORT_1 var_73_arg_1 = state_23; [L175] SORT_1 var_73 = var_73_arg_0 - var_73_arg_1; [L176] SORT_5 var_78_arg_0 = var_77; [L177] SORT_1 var_78_arg_1 = var_74; [L178] SORT_1 var_78_arg_2 = var_73; [L179] SORT_1 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L180] SORT_5 var_79_arg_0 = var_58; [L181] SORT_1 var_79_arg_1 = var_9; [L182] SORT_1 var_79_arg_2 = var_78; [L183] SORT_1 var_79 = var_79_arg_0 ? var_79_arg_1 : var_79_arg_2; [L184] SORT_1 next_80_arg_1 = var_79; [L185] SORT_1 var_45_arg_0 = input_2; [L186] SORT_5 var_45 = var_45_arg_0 >> 0; [L187] var_45 = var_45 & mask_SORT_5 [L188] SORT_1 var_44_arg_0 = input_2; [L189] SORT_1 var_44_arg_1 = input_3; [L190] SORT_1 var_44 = var_44_arg_0 + var_44_arg_1; [L191] SORT_1 var_43_arg_0 = input_2; [L192] SORT_1 var_43_arg_1 = input_3; [L193] SORT_1 var_43 = var_43_arg_0 - var_43_arg_1; [L194] SORT_5 var_46_arg_0 = var_45; [L195] SORT_1 var_46_arg_1 = var_44; [L196] SORT_1 var_46_arg_2 = var_43; [L197] SORT_1 var_46 = var_46_arg_0 ? var_46_arg_1 : var_46_arg_2; [L198] SORT_1 var_48_arg_0 = var_46; [L199] SORT_1 var_48_arg_1 = input_4; [L200] SORT_1 var_48 = var_48_arg_0 + var_48_arg_1; [L201] SORT_1 var_47_arg_0 = var_46; [L202] SORT_1 var_47_arg_1 = input_4; [L203] SORT_1 var_47 = var_47_arg_0 - var_47_arg_1; [L204] SORT_5 var_49_arg_0 = input_7; [L205] SORT_1 var_49_arg_1 = var_48; [L206] SORT_1 var_49_arg_2 = var_47; [L207] SORT_1 var_49 = var_49_arg_0 ? var_49_arg_1 : var_49_arg_2; [L208] SORT_5 var_81_arg_0 = var_52; [L209] SORT_1 var_81_arg_1 = var_9; [L210] SORT_1 var_81_arg_2 = var_49; [L211] SORT_1 var_81 = var_81_arg_0 ? var_81_arg_1 : var_81_arg_2; [L212] SORT_1 next_82_arg_1 = var_81; [L213] SORT_5 var_83_arg_0 = var_52; [L214] SORT_1 var_83_arg_1 = var_9; [L215] SORT_1 var_83_arg_2 = state_39; [L216] SORT_1 var_83 = var_83_arg_0 ? var_83_arg_1 : var_83_arg_2; [L217] SORT_1 next_84_arg_1 = var_83; [L219] state_10 = next_54_arg_1 [L220] state_12 = next_60_arg_1 [L221] state_21 = next_62_arg_1 [L222] state_23 = next_64_arg_1 [L223] state_25 = next_66_arg_1 [L224] state_30 = next_68_arg_1 [L225] state_32 = next_70_arg_1 [L226] state_34 = next_72_arg_1 [L227] state_36 = next_80_arg_1 [L228] state_39 = next_82_arg_1 [L229] state_41 = next_84_arg_1 [L81] input_2 = __VERIFIER_nondet_uchar() [L82] input_3 = __VERIFIER_nondet_uchar() [L83] input_4 = __VERIFIER_nondet_uchar() [L84] input_6 = __VERIFIER_nondet_uchar() [L85] input_7 = __VERIFIER_nondet_uchar() [L86] input_7 = input_7 & mask_SORT_5 [L87] input_8 = __VERIFIER_nondet_uchar() [L88] input_8 = input_8 & mask_SORT_5 [L89] input_27 = __VERIFIER_nondet_uchar() [L92] SORT_1 var_14_arg_0 = state_10; [L93] SORT_1 var_14_arg_1 = state_12; [L94] SORT_5 var_14 = var_14_arg_0 == var_14_arg_1; [L95] SORT_5 var_18_arg_0 = var_14; [L96] SORT_5 var_18 = ~var_18_arg_0; [L97] SORT_5 var_19_arg_0 = var_17; [L98] SORT_5 var_19_arg_1 = var_18; [L99] SORT_5 var_19 = var_19_arg_0 & var_19_arg_1; [L100] var_19 = var_19 & mask_SORT_5 [L101] SORT_5 bad_20_arg_0 = var_19; [L102] CALL __VERIFIER_assert(!(bad_20_arg_0)) [L21] COND FALSE !(!(cond)) [L102] RET __VERIFIER_assert(!(bad_20_arg_0)) [L104] SORT_5 var_52_arg_0 = input_8; [L105] SORT_5 var_52_arg_1 = var_17; [L106] SORT_5 var_52 = var_52_arg_0 == var_52_arg_1; [L107] SORT_5 var_53_arg_0 = var_52; [L108] SORT_1 var_53_arg_1 = var_9; [L109] SORT_1 var_53_arg_2 = state_41; [L110] SORT_1 var_53 = var_53_arg_0 ? var_53_arg_1 : var_53_arg_2; [L111] var_53 = var_53 & mask_SORT_1 [L112] SORT_1 next_54_arg_1 = var_53; [L113] SORT_5 var_58_arg_0 = input_8; [L114] SORT_5 var_58_arg_1 = var_17; [L115] SORT_5 var_58 = var_58_arg_0 == var_58_arg_1; [L116] SORT_1 var_56_arg_0 = state_36; [L117] SORT_1 var_56_arg_1 = state_32; [L118] SORT_1 var_56 = var_56_arg_0 - var_56_arg_1; [L119] SORT_1 var_55_arg_0 = state_36; [L120] SORT_1 var_55_arg_1 = state_32; [L121] SORT_1 var_55 = var_55_arg_0 - var_55_arg_1; [L122] SORT_5 var_57_arg_0 = state_34; [L123] SORT_1 var_57_arg_1 = var_56; [L124] SORT_1 var_57_arg_2 = var_55; [L125] SORT_1 var_57 = var_57_arg_0 ? var_57_arg_1 : var_57_arg_2; [L126] SORT_5 var_59_arg_0 = var_58; [L127] SORT_1 var_59_arg_1 = var_9; [L128] SORT_1 var_59_arg_2 = var_57; [L129] SORT_1 var_59 = var_59_arg_0 ? var_59_arg_1 : var_59_arg_2; [L130] var_59 = var_59 & mask_SORT_1 [L131] SORT_1 next_60_arg_1 = var_59; [L132] SORT_5 var_61_arg_0 = var_58; [L133] SORT_1 var_61_arg_1 = var_9; [L134] SORT_1 var_61_arg_2 = input_2; [L135] SORT_1 var_61 = var_61_arg_0 ? var_61_arg_1 : var_61_arg_2; [L136] SORT_1 next_62_arg_1 = var_61; [L137] SORT_5 var_63_arg_0 = var_58; [L138] SORT_1 var_63_arg_1 = var_9; [L139] SORT_1 var_63_arg_2 = input_3; [L140] SORT_1 var_63 = var_63_arg_0 ? var_63_arg_1 : var_63_arg_2; [L141] SORT_1 next_64_arg_1 = var_63; [L142] SORT_5 var_65_arg_0 = var_58; [L143] SORT_1 var_65_arg_1 = var_9; [L144] SORT_1 var_65_arg_2 = input_4; [L145] SORT_1 var_65 = var_65_arg_0 ? var_65_arg_1 : var_65_arg_2; [L146] SORT_1 next_66_arg_1 = var_65; [L147] SORT_5 var_67_arg_0 = var_58; [L148] SORT_5 var_67_arg_1 = var_29; [L149] SORT_5 var_67_arg_2 = input_7; [L150] SORT_5 var_67 = var_67_arg_0 ? var_67_arg_1 : var_67_arg_2; [L151] SORT_5 next_68_arg_1 = var_67; [L152] SORT_5 var_69_arg_0 = var_58; [L153] SORT_1 var_69_arg_1 = var_9; [L154] SORT_1 var_69_arg_2 = state_25; [L155] SORT_1 var_69 = var_69_arg_0 ? var_69_arg_1 : var_69_arg_2; [L156] SORT_1 next_70_arg_1 = var_69; [L157] SORT_5 var_71_arg_0 = var_58; [L158] SORT_5 var_71_arg_1 = var_29; [L159] SORT_5 var_71_arg_2 = state_30; [L160] SORT_5 var_71 = var_71_arg_0 ? var_71_arg_1 : var_71_arg_2; [L161] var_71 = var_71 & mask_SORT_5 [L162] SORT_5 next_72_arg_1 = var_71; [L163] SORT_1 var_76_arg_0 = state_21; [L164] SORT_1 var_76_arg_1 = var_75; [L165] SORT_1 var_76 = var_76_arg_0 & var_76_arg_1; [L166] var_76 = var_76 & mask_SORT_1 [L167] SORT_1 var_77_arg_0 = var_76; [L168] SORT_1 var_77_arg_1 = var_75; [L169] SORT_5 var_77 = var_77_arg_0 == var_77_arg_1; [L170] SORT_1 var_74_arg_0 = state_21; [L171] SORT_1 var_74_arg_1 = state_23; [L172] SORT_1 var_74 = var_74_arg_0 + var_74_arg_1; [L173] SORT_1 var_73_arg_0 = state_21; [L174] SORT_1 var_73_arg_1 = state_23; [L175] SORT_1 var_73 = var_73_arg_0 - var_73_arg_1; [L176] SORT_5 var_78_arg_0 = var_77; [L177] SORT_1 var_78_arg_1 = var_74; [L178] SORT_1 var_78_arg_2 = var_73; [L179] SORT_1 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L180] SORT_5 var_79_arg_0 = var_58; [L181] SORT_1 var_79_arg_1 = var_9; [L182] SORT_1 var_79_arg_2 = var_78; [L183] SORT_1 var_79 = var_79_arg_0 ? var_79_arg_1 : var_79_arg_2; [L184] SORT_1 next_80_arg_1 = var_79; [L185] SORT_1 var_45_arg_0 = input_2; [L186] SORT_5 var_45 = var_45_arg_0 >> 0; [L187] var_45 = var_45 & mask_SORT_5 [L188] SORT_1 var_44_arg_0 = input_2; [L189] SORT_1 var_44_arg_1 = input_3; [L190] SORT_1 var_44 = var_44_arg_0 + var_44_arg_1; [L191] SORT_1 var_43_arg_0 = input_2; [L192] SORT_1 var_43_arg_1 = input_3; [L193] SORT_1 var_43 = var_43_arg_0 - var_43_arg_1; [L194] SORT_5 var_46_arg_0 = var_45; [L195] SORT_1 var_46_arg_1 = var_44; [L196] SORT_1 var_46_arg_2 = var_43; [L197] SORT_1 var_46 = var_46_arg_0 ? var_46_arg_1 : var_46_arg_2; [L198] SORT_1 var_48_arg_0 = var_46; [L199] SORT_1 var_48_arg_1 = input_4; [L200] SORT_1 var_48 = var_48_arg_0 + var_48_arg_1; [L201] SORT_1 var_47_arg_0 = var_46; [L202] SORT_1 var_47_arg_1 = input_4; [L203] SORT_1 var_47 = var_47_arg_0 - var_47_arg_1; [L204] SORT_5 var_49_arg_0 = input_7; [L205] SORT_1 var_49_arg_1 = var_48; [L206] SORT_1 var_49_arg_2 = var_47; [L207] SORT_1 var_49 = var_49_arg_0 ? var_49_arg_1 : var_49_arg_2; [L208] SORT_5 var_81_arg_0 = var_52; [L209] SORT_1 var_81_arg_1 = var_9; [L210] SORT_1 var_81_arg_2 = var_49; [L211] SORT_1 var_81 = var_81_arg_0 ? var_81_arg_1 : var_81_arg_2; [L212] SORT_1 next_82_arg_1 = var_81; [L213] SORT_5 var_83_arg_0 = var_52; [L214] SORT_1 var_83_arg_1 = var_9; [L215] SORT_1 var_83_arg_2 = state_39; [L216] SORT_1 var_83 = var_83_arg_0 ? var_83_arg_1 : var_83_arg_2; [L217] SORT_1 next_84_arg_1 = var_83; [L219] state_10 = next_54_arg_1 [L220] state_12 = next_60_arg_1 [L221] state_21 = next_62_arg_1 [L222] state_23 = next_64_arg_1 [L223] state_25 = next_66_arg_1 [L224] state_30 = next_68_arg_1 [L225] state_32 = next_70_arg_1 [L226] state_34 = next_72_arg_1 [L227] state_36 = next_80_arg_1 [L228] state_39 = next_82_arg_1 [L229] state_41 = next_84_arg_1 [L81] input_2 = __VERIFIER_nondet_uchar() [L82] input_3 = __VERIFIER_nondet_uchar() [L83] input_4 = __VERIFIER_nondet_uchar() [L84] input_6 = __VERIFIER_nondet_uchar() [L85] input_7 = __VERIFIER_nondet_uchar() [L86] input_7 = input_7 & mask_SORT_5 [L87] input_8 = __VERIFIER_nondet_uchar() [L88] input_8 = input_8 & mask_SORT_5 [L89] input_27 = __VERIFIER_nondet_uchar() [L92] SORT_1 var_14_arg_0 = state_10; [L93] SORT_1 var_14_arg_1 = state_12; [L94] SORT_5 var_14 = var_14_arg_0 == var_14_arg_1; [L95] SORT_5 var_18_arg_0 = var_14; [L96] SORT_5 var_18 = ~var_18_arg_0; [L97] SORT_5 var_19_arg_0 = var_17; [L98] SORT_5 var_19_arg_1 = var_18; [L99] SORT_5 var_19 = var_19_arg_0 & var_19_arg_1; [L100] var_19 = var_19 & mask_SORT_5 [L101] SORT_5 bad_20_arg_0 = var_19; [L102] CALL __VERIFIER_assert(!(bad_20_arg_0)) [L21] COND FALSE !(!(cond)) [L102] RET __VERIFIER_assert(!(bad_20_arg_0)) [L104] SORT_5 var_52_arg_0 = input_8; [L105] SORT_5 var_52_arg_1 = var_17; [L106] SORT_5 var_52 = var_52_arg_0 == var_52_arg_1; [L107] SORT_5 var_53_arg_0 = var_52; [L108] SORT_1 var_53_arg_1 = var_9; [L109] SORT_1 var_53_arg_2 = state_41; [L110] SORT_1 var_53 = var_53_arg_0 ? var_53_arg_1 : var_53_arg_2; [L111] var_53 = var_53 & mask_SORT_1 [L112] SORT_1 next_54_arg_1 = var_53; [L113] SORT_5 var_58_arg_0 = input_8; [L114] SORT_5 var_58_arg_1 = var_17; [L115] SORT_5 var_58 = var_58_arg_0 == var_58_arg_1; [L116] SORT_1 var_56_arg_0 = state_36; [L117] SORT_1 var_56_arg_1 = state_32; [L118] SORT_1 var_56 = var_56_arg_0 - var_56_arg_1; [L119] SORT_1 var_55_arg_0 = state_36; [L120] SORT_1 var_55_arg_1 = state_32; [L121] SORT_1 var_55 = var_55_arg_0 - var_55_arg_1; [L122] SORT_5 var_57_arg_0 = state_34; [L123] SORT_1 var_57_arg_1 = var_56; [L124] SORT_1 var_57_arg_2 = var_55; [L125] SORT_1 var_57 = var_57_arg_0 ? var_57_arg_1 : var_57_arg_2; [L126] SORT_5 var_59_arg_0 = var_58; [L127] SORT_1 var_59_arg_1 = var_9; [L128] SORT_1 var_59_arg_2 = var_57; [L129] SORT_1 var_59 = var_59_arg_0 ? var_59_arg_1 : var_59_arg_2; [L130] var_59 = var_59 & mask_SORT_1 [L131] SORT_1 next_60_arg_1 = var_59; [L132] SORT_5 var_61_arg_0 = var_58; [L133] SORT_1 var_61_arg_1 = var_9; [L134] SORT_1 var_61_arg_2 = input_2; [L135] SORT_1 var_61 = var_61_arg_0 ? var_61_arg_1 : var_61_arg_2; [L136] SORT_1 next_62_arg_1 = var_61; [L137] SORT_5 var_63_arg_0 = var_58; [L138] SORT_1 var_63_arg_1 = var_9; [L139] SORT_1 var_63_arg_2 = input_3; [L140] SORT_1 var_63 = var_63_arg_0 ? var_63_arg_1 : var_63_arg_2; [L141] SORT_1 next_64_arg_1 = var_63; [L142] SORT_5 var_65_arg_0 = var_58; [L143] SORT_1 var_65_arg_1 = var_9; [L144] SORT_1 var_65_arg_2 = input_4; [L145] SORT_1 var_65 = var_65_arg_0 ? var_65_arg_1 : var_65_arg_2; [L146] SORT_1 next_66_arg_1 = var_65; [L147] SORT_5 var_67_arg_0 = var_58; [L148] SORT_5 var_67_arg_1 = var_29; [L149] SORT_5 var_67_arg_2 = input_7; [L150] SORT_5 var_67 = var_67_arg_0 ? var_67_arg_1 : var_67_arg_2; [L151] SORT_5 next_68_arg_1 = var_67; [L152] SORT_5 var_69_arg_0 = var_58; [L153] SORT_1 var_69_arg_1 = var_9; [L154] SORT_1 var_69_arg_2 = state_25; [L155] SORT_1 var_69 = var_69_arg_0 ? var_69_arg_1 : var_69_arg_2; [L156] SORT_1 next_70_arg_1 = var_69; [L157] SORT_5 var_71_arg_0 = var_58; [L158] SORT_5 var_71_arg_1 = var_29; [L159] SORT_5 var_71_arg_2 = state_30; [L160] SORT_5 var_71 = var_71_arg_0 ? var_71_arg_1 : var_71_arg_2; [L161] var_71 = var_71 & mask_SORT_5 [L162] SORT_5 next_72_arg_1 = var_71; [L163] SORT_1 var_76_arg_0 = state_21; [L164] SORT_1 var_76_arg_1 = var_75; [L165] SORT_1 var_76 = var_76_arg_0 & var_76_arg_1; [L166] var_76 = var_76 & mask_SORT_1 [L167] SORT_1 var_77_arg_0 = var_76; [L168] SORT_1 var_77_arg_1 = var_75; [L169] SORT_5 var_77 = var_77_arg_0 == var_77_arg_1; [L170] SORT_1 var_74_arg_0 = state_21; [L171] SORT_1 var_74_arg_1 = state_23; [L172] SORT_1 var_74 = var_74_arg_0 + var_74_arg_1; [L173] SORT_1 var_73_arg_0 = state_21; [L174] SORT_1 var_73_arg_1 = state_23; [L175] SORT_1 var_73 = var_73_arg_0 - var_73_arg_1; [L176] SORT_5 var_78_arg_0 = var_77; [L177] SORT_1 var_78_arg_1 = var_74; [L178] SORT_1 var_78_arg_2 = var_73; [L179] SORT_1 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L180] SORT_5 var_79_arg_0 = var_58; [L181] SORT_1 var_79_arg_1 = var_9; [L182] SORT_1 var_79_arg_2 = var_78; [L183] SORT_1 var_79 = var_79_arg_0 ? var_79_arg_1 : var_79_arg_2; [L184] SORT_1 next_80_arg_1 = var_79; [L185] SORT_1 var_45_arg_0 = input_2; [L186] SORT_5 var_45 = var_45_arg_0 >> 0; [L187] var_45 = var_45 & mask_SORT_5 [L188] SORT_1 var_44_arg_0 = input_2; [L189] SORT_1 var_44_arg_1 = input_3; [L190] SORT_1 var_44 = var_44_arg_0 + var_44_arg_1; [L191] SORT_1 var_43_arg_0 = input_2; [L192] SORT_1 var_43_arg_1 = input_3; [L193] SORT_1 var_43 = var_43_arg_0 - var_43_arg_1; [L194] SORT_5 var_46_arg_0 = var_45; [L195] SORT_1 var_46_arg_1 = var_44; [L196] SORT_1 var_46_arg_2 = var_43; [L197] SORT_1 var_46 = var_46_arg_0 ? var_46_arg_1 : var_46_arg_2; [L198] SORT_1 var_48_arg_0 = var_46; [L199] SORT_1 var_48_arg_1 = input_4; [L200] SORT_1 var_48 = var_48_arg_0 + var_48_arg_1; [L201] SORT_1 var_47_arg_0 = var_46; [L202] SORT_1 var_47_arg_1 = input_4; [L203] SORT_1 var_47 = var_47_arg_0 - var_47_arg_1; [L204] SORT_5 var_49_arg_0 = input_7; [L205] SORT_1 var_49_arg_1 = var_48; [L206] SORT_1 var_49_arg_2 = var_47; [L207] SORT_1 var_49 = var_49_arg_0 ? var_49_arg_1 : var_49_arg_2; [L208] SORT_5 var_81_arg_0 = var_52; [L209] SORT_1 var_81_arg_1 = var_9; [L210] SORT_1 var_81_arg_2 = var_49; [L211] SORT_1 var_81 = var_81_arg_0 ? var_81_arg_1 : var_81_arg_2; [L212] SORT_1 next_82_arg_1 = var_81; [L213] SORT_5 var_83_arg_0 = var_52; [L214] SORT_1 var_83_arg_1 = var_9; [L215] SORT_1 var_83_arg_2 = state_39; [L216] SORT_1 var_83 = var_83_arg_0 ? var_83_arg_1 : var_83_arg_2; [L217] SORT_1 next_84_arg_1 = var_83; [L219] state_10 = next_54_arg_1 [L220] state_12 = next_60_arg_1 [L221] state_21 = next_62_arg_1 [L222] state_23 = next_64_arg_1 [L223] state_25 = next_66_arg_1 [L224] state_30 = next_68_arg_1 [L225] state_32 = next_70_arg_1 [L226] state_34 = next_72_arg_1 [L227] state_36 = next_80_arg_1 [L228] state_39 = next_82_arg_1 [L229] state_41 = next_84_arg_1 [L81] input_2 = __VERIFIER_nondet_uchar() [L82] input_3 = __VERIFIER_nondet_uchar() [L83] input_4 = __VERIFIER_nondet_uchar() [L84] input_6 = __VERIFIER_nondet_uchar() [L85] input_7 = __VERIFIER_nondet_uchar() [L86] input_7 = input_7 & mask_SORT_5 [L87] input_8 = __VERIFIER_nondet_uchar() [L88] input_8 = input_8 & mask_SORT_5 [L89] input_27 = __VERIFIER_nondet_uchar() [L92] SORT_1 var_14_arg_0 = state_10; [L93] SORT_1 var_14_arg_1 = state_12; [L94] SORT_5 var_14 = var_14_arg_0 == var_14_arg_1; [L95] SORT_5 var_18_arg_0 = var_14; [L96] SORT_5 var_18 = ~var_18_arg_0; [L97] SORT_5 var_19_arg_0 = var_17; [L98] SORT_5 var_19_arg_1 = var_18; [L99] SORT_5 var_19 = var_19_arg_0 & var_19_arg_1; [L100] var_19 = var_19 & mask_SORT_5 [L101] SORT_5 bad_20_arg_0 = var_19; [L102] CALL __VERIFIER_assert(!(bad_20_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 55.3s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 5.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 49 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 36 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 57 IncrementalHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 13 mSDtfsCounter, 57 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 113 GetRequests, 79 SyntacticMatches, 6 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 20.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=3, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 45.7s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 106 ConstructedInterpolants, 42 QuantifiedInterpolants, 5656 SizeOfPredicates, 44 NumberOfNonLiveVariables, 624 ConjunctsInSsa, 173 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 0/54 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-09 05:47:34,751 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2024-11-09 05:47:34,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e3dcbf-a329-4abb-af30-78a21e4a75c6/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 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