./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.6.prop1-func-interl.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_fbf0ebda-1a33-46a4-b4ba-7be8ec9ff995/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf0ebda-1a33-46a4-b4ba-7be8ec9ff995/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_fbf0ebda-1a33-46a4-b4ba-7be8ec9ff995/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf0ebda-1a33-46a4-b4ba-7be8ec9ff995/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.6.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf0ebda-1a33-46a4-b4ba-7be8ec9ff995/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_fbf0ebda-1a33-46a4-b4ba-7be8ec9ff995/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 fae77fb6caf55f435f70d06a38b0c2c940532ebf6d023c58a3d8ed1d66a8314f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:03:14,573 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:03:14,661 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf0ebda-1a33-46a4-b4ba-7be8ec9ff995/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 06:03:14,665 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:03:14,665 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:03:14,703 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:03:14,703 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:03:14,704 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:03:14,704 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:03:14,705 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:03:14,705 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:03:14,707 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:03:14,708 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:03:14,709 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:03:14,711 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:03:14,712 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:03:14,712 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:03:14,713 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:03:14,713 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:03:14,713 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:03:14,714 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:03:14,718 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:03:14,719 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:03:14,719 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:03:14,729 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:03:14,730 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:03:14,730 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:03:14,731 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:03:14,731 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:03:14,731 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:03:14,732 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:03:14,732 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:03:14,732 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:03:14,735 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:03:14,735 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:03:14,735 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:03:14,736 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:03:14,736 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:03:14,736 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:03:14,736 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:03:14,737 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:03:14,737 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:03:14,737 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:03:14,738 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:03:14,738 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_fbf0ebda-1a33-46a4-b4ba-7be8ec9ff995/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf0ebda-1a33-46a4-b4ba-7be8ec9ff995/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fae77fb6caf55f435f70d06a38b0c2c940532ebf6d023c58a3d8ed1d66a8314f [2024-11-09 06:03:15,050 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:03:15,080 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:03:15,083 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:03:15,084 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:03:15,085 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:03:15,086 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf0ebda-1a33-46a4-b4ba-7be8ec9ff995/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.6.prop1-func-interl.c Unable to find full path for "g++" [2024-11-09 06:03:17,344 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:03:17,749 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:03:17,750 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf0ebda-1a33-46a4-b4ba-7be8ec9ff995/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.6.prop1-func-interl.c [2024-11-09 06:03:17,784 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf0ebda-1a33-46a4-b4ba-7be8ec9ff995/bin/utaipan-verify-YMUCfTKeje/data/1dc3fb832/068745e31d68439dabbc841e77788608/FLAGe79f44b79 [2024-11-09 06:03:17,926 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf0ebda-1a33-46a4-b4ba-7be8ec9ff995/bin/utaipan-verify-YMUCfTKeje/data/1dc3fb832/068745e31d68439dabbc841e77788608 [2024-11-09 06:03:17,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:03:17,931 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:03:17,933 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:03:17,938 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:03:17,948 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:03:17,952 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:03:17" (1/1) ... [2024-11-09 06:03:17,955 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57649f41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:03:17, skipping insertion in model container [2024-11-09 06:03:17,956 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:03:17" (1/1) ... [2024-11-09 06:03:18,073 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:03:18,369 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_fbf0ebda-1a33-46a4-b4ba-7be8ec9ff995/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.6.prop1-func-interl.c[1175,1188] [2024-11-09 06:03:19,128 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:03:19,138 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:03:19,149 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_fbf0ebda-1a33-46a4-b4ba-7be8ec9ff995/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.6.prop1-func-interl.c[1175,1188] [2024-11-09 06:03:19,539 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:03:19,559 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:03:19,560 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:03:19 WrapperNode [2024-11-09 06:03:19,560 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:03:19,561 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:03:19,561 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:03:19,561 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:03:19,613 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:03:19" (1/1) ... [2024-11-09 06:03:19,720 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:03:19" (1/1) ... [2024-11-09 06:03:21,057 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 10150 [2024-11-09 06:03:21,057 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:03:21,058 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:03:21,058 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:03:21,059 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:03:21,070 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:03:19" (1/1) ... [2024-11-09 06:03:21,070 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:03:19" (1/1) ... [2024-11-09 06:03:21,420 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:03:19" (1/1) ... [2024-11-09 06:03:21,425 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:03:19" (1/1) ... [2024-11-09 06:03:22,043 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:03:19" (1/1) ... [2024-11-09 06:03:22,126 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:03:19" (1/1) ... [2024-11-09 06:03:22,274 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:03:19" (1/1) ... [2024-11-09 06:03:22,314 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:03:19" (1/1) ... [2024-11-09 06:03:22,548 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:03:22,549 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:03:22,550 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:03:22,550 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:03:22,552 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:03:19" (1/1) ... [2024-11-09 06:03:22,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:03:22,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf0ebda-1a33-46a4-b4ba-7be8ec9ff995/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:03:22,588 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf0ebda-1a33-46a4-b4ba-7be8ec9ff995/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:03:22,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf0ebda-1a33-46a4-b4ba-7be8ec9ff995/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:03:22,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:03:22,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:03:22,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:03:22,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:03:23,503 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:03:23,505 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:03:39,886 INFO L? ?]: Removed 5682 outVars from TransFormulas that were not future-live. [2024-11-09 06:03:39,888 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:04:02,535 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:04:02,535 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:04:02,536 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:04:02 BoogieIcfgContainer [2024-11-09 06:04:02,536 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:04:02,539 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:04:02,539 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:04:02,542 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:04:02,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:03:17" (1/3) ... [2024-11-09 06:04:02,543 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9ea1fa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:04:02, skipping insertion in model container [2024-11-09 06:04:02,543 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:03:19" (2/3) ... [2024-11-09 06:04:02,544 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9ea1fa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:04:02, skipping insertion in model container [2024-11-09 06:04:02,544 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:04:02" (3/3) ... [2024-11-09 06:04:02,545 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.anderson.6.prop1-func-interl.c [2024-11-09 06:04:02,569 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:04:02,569 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:04:02,657 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:04:02,672 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;@18d00db4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:04:02,680 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:04:02,696 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 06:04:02,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 06:04:02,712 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:04:02,713 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-09 06:04:02,713 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:04:02,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:04:02,726 INFO L85 PathProgramCache]: Analyzing trace with hash 512790021, now seen corresponding path program 1 times [2024-11-09 06:04:02,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:04:02,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674288286] [2024-11-09 06:04:02,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:04:02,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:04:04,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:04:04,006 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 06:04:04,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:04:04,653 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 06:04:04,656 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 06:04:04,658 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 06:04:04,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:04:04,668 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 06:04:04,720 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-09 06:04:04,747 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:04:04,752 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:04:04 BoogieIcfgContainer [2024-11-09 06:04:04,753 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:04:04,753 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:04:04,754 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:04:04,754 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:04:04,755 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:04:02" (3/4) ... [2024-11-09 06:04:04,758 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 06:04:04,760 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:04:04,761 INFO L158 Benchmark]: Toolchain (without parser) took 46830.12ms. Allocated memory was 117.4MB in the beginning and 7.9GB in the end (delta: 7.8GB). Free memory was 73.3MB in the beginning and 7.1GB in the end (delta: -7.1GB). Peak memory consumption was 744.4MB. Max. memory is 16.1GB. [2024-11-09 06:04:04,763 INFO L158 Benchmark]: CDTParser took 1.17ms. Allocated memory is still 117.4MB. Free memory is still 87.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:04:04,764 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1627.00ms. Allocated memory was 117.4MB in the beginning and 155.2MB in the end (delta: 37.7MB). Free memory was 72.9MB in the beginning and 56.6MB in the end (delta: 16.3MB). Peak memory consumption was 63.2MB. Max. memory is 16.1GB. [2024-11-09 06:04:04,765 INFO L158 Benchmark]: Boogie Procedure Inliner took 1496.70ms. Allocated memory was 155.2MB in the beginning and 494.9MB in the end (delta: 339.7MB). Free memory was 56.6MB in the beginning and 263.5MB in the end (delta: -206.9MB). Peak memory consumption was 144.4MB. Max. memory is 16.1GB. [2024-11-09 06:04:04,767 INFO L158 Benchmark]: Boogie Preprocessor took 1489.71ms. Allocated memory is still 494.9MB. Free memory was 263.5MB in the beginning and 205.8MB in the end (delta: 57.7MB). Peak memory consumption was 88.1MB. Max. memory is 16.1GB. [2024-11-09 06:04:04,768 INFO L158 Benchmark]: RCFGBuilder took 39986.71ms. Allocated memory was 494.9MB in the beginning and 7.9GB in the end (delta: 7.4GB). Free memory was 205.8MB in the beginning and 7.0GB in the end (delta: -6.8GB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. [2024-11-09 06:04:04,771 INFO L158 Benchmark]: TraceAbstraction took 2214.13ms. Allocated memory is still 7.9GB. Free memory was 7.0GB in the beginning and 7.1GB in the end (delta: -163.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:04:04,771 INFO L158 Benchmark]: Witness Printer took 6.58ms. Allocated memory is still 7.9GB. Free memory is still 7.1GB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:04:04,774 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.17ms. Allocated memory is still 117.4MB. Free memory is still 87.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1627.00ms. Allocated memory was 117.4MB in the beginning and 155.2MB in the end (delta: 37.7MB). Free memory was 72.9MB in the beginning and 56.6MB in the end (delta: 16.3MB). Peak memory consumption was 63.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1496.70ms. Allocated memory was 155.2MB in the beginning and 494.9MB in the end (delta: 339.7MB). Free memory was 56.6MB in the beginning and 263.5MB in the end (delta: -206.9MB). Peak memory consumption was 144.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1489.71ms. Allocated memory is still 494.9MB. Free memory was 263.5MB in the beginning and 205.8MB in the end (delta: 57.7MB). Peak memory consumption was 88.1MB. Max. memory is 16.1GB. * RCFGBuilder took 39986.71ms. Allocated memory was 494.9MB in the beginning and 7.9GB in the end (delta: 7.4GB). Free memory was 205.8MB in the beginning and 7.0GB in the end (delta: -6.8GB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. * TraceAbstraction took 2214.13ms. Allocated memory is still 7.9GB. Free memory was 7.0GB in the beginning and 7.1GB in the end (delta: -163.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.58ms. Allocated memory is still 7.9GB. Free memory is still 7.1GB. 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 240. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1); [L35] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L36] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L38] const SORT_2 var_5 = 0; [L39] const SORT_1 var_32 = 0; [L40] const SORT_4 var_95 = 1; [L41] const SORT_4 var_96 = 0; [L42] const SORT_2 var_111 = 1; [L43] const SORT_3 var_113 = 0; [L44] const SORT_4 var_116 = 6; [L45] const SORT_2 var_120 = 0; [L46] const SORT_4 var_221 = 2; [L47] const SORT_2 var_224 = 2; [L48] const SORT_4 var_260 = 3; [L49] const SORT_2 var_263 = 3; [L50] const SORT_4 var_299 = 4; [L51] const SORT_2 var_302 = 4; [L52] const SORT_4 var_338 = 5; [L53] const SORT_2 var_341 = 5; [L55] SORT_1 input_112; [L56] SORT_1 input_122; [L57] SORT_1 input_124; [L58] SORT_1 input_131; [L59] SORT_1 input_133; [L60] SORT_1 input_140; [L61] SORT_1 input_142; [L62] SORT_1 input_149; [L63] SORT_1 input_151; [L64] SORT_1 input_158; [L65] SORT_1 input_160; [L66] SORT_1 input_167; [L67] SORT_1 input_377; [L68] SORT_1 input_381; [L69] SORT_1 input_384; [L70] SORT_1 input_385; [L71] SORT_1 input_386; [L72] SORT_1 input_387; [L73] SORT_1 input_388; [L74] SORT_1 input_389; [L75] SORT_1 input_390; [L76] SORT_1 input_391; [L77] SORT_1 input_392; [L78] SORT_1 input_393; [L79] SORT_1 input_407; [L80] SORT_1 input_413; [L81] SORT_1 input_419; [L82] SORT_1 input_425; [L83] SORT_1 input_431; [L84] SORT_1 input_437; [L85] SORT_1 input_452; [L86] SORT_1 input_470; [L87] SORT_1 input_488; [L88] SORT_1 input_506; [L89] SORT_1 input_524; [L90] SORT_1 input_542; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L92] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L93] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L94] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L95] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L96] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L96] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L97] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L97] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L98] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L98] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L99] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L99] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L100] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L100] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L101] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L101] SORT_2 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L102] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L102] SORT_2 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L103] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L103] SORT_2 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L104] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L104] SORT_2 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L105] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L106] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L106] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L107] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L107] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L108] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L108] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L109] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L109] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L110] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L110] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L111] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L111] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L112] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L112] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L113] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L113] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L114] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L114] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L115] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L115] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L116] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L116] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L117] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L117] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L118] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L118] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L119] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L119] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L120] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L120] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L121] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L121] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L122] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L122] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L123] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L123] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L124] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L124] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L125] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L125] SORT_1 state_73 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L126] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L126] SORT_1 state_75 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L127] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L127] SORT_1 state_77 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L128] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L128] SORT_1 state_79 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L129] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L129] SORT_1 state_81 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L130] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L130] SORT_1 state_83 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L131] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L131] SORT_1 state_85 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L132] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L132] SORT_1 state_87 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L133] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L133] SORT_1 state_89 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L134] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L134] SORT_1 state_91 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L135] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L135] SORT_1 state_93 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L137] SORT_2 init_7_arg_1 = var_5; [L138] state_6 = init_7_arg_1 [L139] SORT_2 init_9_arg_1 = var_5; [L140] state_8 = init_9_arg_1 [L141] SORT_2 init_11_arg_1 = var_5; [L142] state_10 = init_11_arg_1 [L143] SORT_2 init_13_arg_1 = var_5; [L144] state_12 = init_13_arg_1 [L145] SORT_2 init_15_arg_1 = var_5; [L146] state_14 = init_15_arg_1 [L147] SORT_2 init_17_arg_1 = var_5; [L148] state_16 = init_17_arg_1 [L149] SORT_2 init_19_arg_1 = var_5; [L150] state_18 = init_19_arg_1 [L151] SORT_2 init_21_arg_1 = var_5; [L152] state_20 = init_21_arg_1 [L153] SORT_2 init_23_arg_1 = var_5; [L154] state_22 = init_23_arg_1 [L155] SORT_2 init_25_arg_1 = var_5; [L156] state_24 = init_25_arg_1 [L157] SORT_2 init_27_arg_1 = var_5; [L158] state_26 = init_27_arg_1 [L159] SORT_2 init_29_arg_1 = var_5; [L160] state_28 = init_29_arg_1 [L161] SORT_2 init_31_arg_1 = var_5; [L162] state_30 = init_31_arg_1 [L163] SORT_1 init_34_arg_1 = var_32; [L164] state_33 = init_34_arg_1 [L165] SORT_1 init_36_arg_1 = var_32; [L166] state_35 = init_36_arg_1 [L167] SORT_1 init_38_arg_1 = var_32; [L168] state_37 = init_38_arg_1 [L169] SORT_1 init_40_arg_1 = var_32; [L170] state_39 = init_40_arg_1 [L171] SORT_1 init_42_arg_1 = var_32; [L172] state_41 = init_42_arg_1 [L173] SORT_1 init_44_arg_1 = var_32; [L174] state_43 = init_44_arg_1 [L175] SORT_1 init_46_arg_1 = var_32; [L176] state_45 = init_46_arg_1 [L177] SORT_1 init_48_arg_1 = var_32; [L178] state_47 = init_48_arg_1 [L179] SORT_1 init_50_arg_1 = var_32; [L180] state_49 = init_50_arg_1 [L181] SORT_1 init_52_arg_1 = var_32; [L182] state_51 = init_52_arg_1 [L183] SORT_1 init_54_arg_1 = var_32; [L184] state_53 = init_54_arg_1 [L185] SORT_1 init_56_arg_1 = var_32; [L186] state_55 = init_56_arg_1 [L187] SORT_1 init_58_arg_1 = var_32; [L188] state_57 = init_58_arg_1 [L189] SORT_1 init_60_arg_1 = var_32; [L190] state_59 = init_60_arg_1 [L191] SORT_1 init_62_arg_1 = var_32; [L192] state_61 = init_62_arg_1 [L193] SORT_1 init_64_arg_1 = var_32; [L194] state_63 = init_64_arg_1 [L195] SORT_1 init_66_arg_1 = var_32; [L196] state_65 = init_66_arg_1 [L197] SORT_1 init_68_arg_1 = var_32; [L198] state_67 = init_68_arg_1 [L199] SORT_1 init_70_arg_1 = var_32; [L200] state_69 = init_70_arg_1 [L201] SORT_1 init_72_arg_1 = var_32; [L202] state_71 = init_72_arg_1 [L203] SORT_1 init_74_arg_1 = var_32; [L204] state_73 = init_74_arg_1 [L205] SORT_1 init_76_arg_1 = var_32; [L206] state_75 = init_76_arg_1 [L207] SORT_1 init_78_arg_1 = var_32; [L208] state_77 = init_78_arg_1 [L209] SORT_1 init_80_arg_1 = var_32; [L210] state_79 = init_80_arg_1 [L211] SORT_1 init_82_arg_1 = var_32; [L212] state_81 = init_82_arg_1 [L213] SORT_1 init_84_arg_1 = var_32; [L214] state_83 = init_84_arg_1 [L215] SORT_1 init_86_arg_1 = var_32; [L216] state_85 = init_86_arg_1 [L217] SORT_1 init_88_arg_1 = var_32; [L218] state_87 = init_88_arg_1 [L219] SORT_1 init_90_arg_1 = var_32; [L220] state_89 = init_90_arg_1 [L221] SORT_1 init_92_arg_1 = var_32; [L222] state_91 = init_92_arg_1 [L223] SORT_1 init_94_arg_1 = var_32; [L224] state_93 = init_94_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, state_91=0, state_93=0, var_111=1, var_113=0, var_116=6, var_120=0, var_221=2, var_224=2, var_260=3, var_263=3, var_299=4, var_302=4, var_338=5, var_341=5, var_95=1, var_96=0] [L227] input_112 = __VERIFIER_nondet_uchar() [L228] input_122 = __VERIFIER_nondet_uchar() [L229] input_124 = __VERIFIER_nondet_uchar() [L230] input_131 = __VERIFIER_nondet_uchar() [L231] input_133 = __VERIFIER_nondet_uchar() [L232] input_140 = __VERIFIER_nondet_uchar() [L233] input_142 = __VERIFIER_nondet_uchar() [L234] input_149 = __VERIFIER_nondet_uchar() [L235] input_151 = __VERIFIER_nondet_uchar() [L236] input_158 = __VERIFIER_nondet_uchar() [L237] input_160 = __VERIFIER_nondet_uchar() [L238] input_167 = __VERIFIER_nondet_uchar() [L239] input_377 = __VERIFIER_nondet_uchar() [L240] EXPR input_377 & mask_SORT_1 [L240] input_377 = input_377 & mask_SORT_1 [L241] input_381 = __VERIFIER_nondet_uchar() [L242] EXPR input_381 & mask_SORT_1 [L242] input_381 = input_381 & mask_SORT_1 [L243] input_384 = __VERIFIER_nondet_uchar() [L244] EXPR input_384 & mask_SORT_1 [L244] input_384 = input_384 & mask_SORT_1 [L245] input_385 = __VERIFIER_nondet_uchar() [L246] EXPR input_385 & mask_SORT_1 [L246] input_385 = input_385 & mask_SORT_1 [L247] input_386 = __VERIFIER_nondet_uchar() [L248] EXPR input_386 & mask_SORT_1 [L248] input_386 = input_386 & mask_SORT_1 [L249] input_387 = __VERIFIER_nondet_uchar() [L250] EXPR input_387 & mask_SORT_1 [L250] input_387 = input_387 & mask_SORT_1 [L251] input_388 = __VERIFIER_nondet_uchar() [L252] EXPR input_388 & mask_SORT_1 [L252] input_388 = input_388 & mask_SORT_1 [L253] input_389 = __VERIFIER_nondet_uchar() [L254] EXPR input_389 & mask_SORT_1 [L254] input_389 = input_389 & mask_SORT_1 [L255] input_390 = __VERIFIER_nondet_uchar() [L256] EXPR input_390 & mask_SORT_1 [L256] input_390 = input_390 & mask_SORT_1 [L257] input_391 = __VERIFIER_nondet_uchar() [L258] EXPR input_391 & mask_SORT_1 [L258] input_391 = input_391 & mask_SORT_1 [L259] input_392 = __VERIFIER_nondet_uchar() [L260] EXPR input_392 & mask_SORT_1 [L260] input_392 = input_392 & mask_SORT_1 [L261] input_393 = __VERIFIER_nondet_uchar() [L262] EXPR input_393 & mask_SORT_1 [L262] input_393 = input_393 & mask_SORT_1 [L263] input_407 = __VERIFIER_nondet_uchar() [L264] EXPR input_407 & mask_SORT_1 [L264] input_407 = input_407 & mask_SORT_1 [L265] input_413 = __VERIFIER_nondet_uchar() [L266] EXPR input_413 & mask_SORT_1 [L266] input_413 = input_413 & mask_SORT_1 [L267] input_419 = __VERIFIER_nondet_uchar() [L268] EXPR input_419 & mask_SORT_1 [L268] input_419 = input_419 & mask_SORT_1 [L269] input_425 = __VERIFIER_nondet_uchar() [L270] EXPR input_425 & mask_SORT_1 [L270] input_425 = input_425 & mask_SORT_1 [L271] input_431 = __VERIFIER_nondet_uchar() [L272] EXPR input_431 & mask_SORT_1 [L272] input_431 = input_431 & mask_SORT_1 [L273] input_437 = __VERIFIER_nondet_uchar() [L274] EXPR input_437 & mask_SORT_1 [L274] input_437 = input_437 & mask_SORT_1 [L275] input_452 = __VERIFIER_nondet_uchar() [L276] input_470 = __VERIFIER_nondet_uchar() [L277] input_488 = __VERIFIER_nondet_uchar() [L278] input_506 = __VERIFIER_nondet_uchar() [L279] input_524 = __VERIFIER_nondet_uchar() [L280] input_542 = __VERIFIER_nondet_uchar() [L283] SORT_1 var_97_arg_0 = state_41; [L284] SORT_4 var_97_arg_1 = var_95; [L285] SORT_4 var_97_arg_2 = var_96; [L286] SORT_4 var_97 = var_97_arg_0 ? var_97_arg_1 : var_97_arg_2; [L287] SORT_1 var_98_arg_0 = state_51; [L288] SORT_4 var_98_arg_1 = var_95; [L289] SORT_4 var_98_arg_2 = var_96; [L290] SORT_4 var_98 = var_98_arg_0 ? var_98_arg_1 : var_98_arg_2; [L291] SORT_4 var_99_arg_0 = var_97; [L292] SORT_4 var_99_arg_1 = var_98; [L293] SORT_4 var_99 = var_99_arg_0 + var_99_arg_1; [L294] SORT_1 var_100_arg_0 = state_61; [L295] SORT_4 var_100_arg_1 = var_95; [L296] SORT_4 var_100_arg_2 = var_96; [L297] SORT_4 var_100 = var_100_arg_0 ? var_100_arg_1 : var_100_arg_2; [L298] SORT_4 var_101_arg_0 = var_99; [L299] SORT_4 var_101_arg_1 = var_100; [L300] SORT_4 var_101 = var_101_arg_0 + var_101_arg_1; [L301] SORT_1 var_102_arg_0 = state_71; [L302] SORT_4 var_102_arg_1 = var_95; [L303] SORT_4 var_102_arg_2 = var_96; [L304] SORT_4 var_102 = var_102_arg_0 ? var_102_arg_1 : var_102_arg_2; [L305] SORT_4 var_103_arg_0 = var_101; [L306] SORT_4 var_103_arg_1 = var_102; [L307] SORT_4 var_103 = var_103_arg_0 + var_103_arg_1; [L308] SORT_1 var_104_arg_0 = state_81; [L309] SORT_4 var_104_arg_1 = var_95; [L310] SORT_4 var_104_arg_2 = var_96; [L311] SORT_4 var_104 = var_104_arg_0 ? var_104_arg_1 : var_104_arg_2; [L312] SORT_4 var_105_arg_0 = var_103; [L313] SORT_4 var_105_arg_1 = var_104; [L314] SORT_4 var_105 = var_105_arg_0 + var_105_arg_1; [L315] SORT_1 var_106_arg_0 = state_91; [L316] SORT_4 var_106_arg_1 = var_95; [L317] SORT_4 var_106_arg_2 = var_96; [L318] SORT_4 var_106 = var_106_arg_0 ? var_106_arg_1 : var_106_arg_2; [L319] SORT_4 var_107_arg_0 = var_105; [L320] SORT_4 var_107_arg_1 = var_106; [L321] SORT_4 var_107 = var_107_arg_0 + var_107_arg_1; [L322] EXPR var_107 & mask_SORT_4 [L322] var_107 = var_107 & mask_SORT_4 [L323] SORT_4 var_108_arg_0 = var_107; [L324] SORT_4 var_108_arg_1 = var_95; [L325] SORT_1 var_108 = var_108_arg_0 <= var_108_arg_1; [L326] SORT_1 var_109_arg_0 = ~state_93; [L327] EXPR var_109_arg_0 & mask_SORT_1 [L327] var_109_arg_0 = var_109_arg_0 & mask_SORT_1 [L328] SORT_1 var_109_arg_1 = ~var_108; [L329] EXPR var_109_arg_1 & mask_SORT_1 [L329] var_109_arg_1 = var_109_arg_1 & mask_SORT_1 [L330] EXPR var_109_arg_0 & var_109_arg_1 [L330] SORT_1 var_109 = var_109_arg_0 & var_109_arg_1; [L331] EXPR var_109 & mask_SORT_1 [L331] var_109 = var_109 & mask_SORT_1 [L332] SORT_1 bad_110_arg_0 = var_109; [L333] CALL __VERIFIER_assert(!(bad_110_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: 2.0s, 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: 0.1s SsaConstructionTime, 0.7s 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 06:04:04,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf0ebda-1a33-46a4-b4ba-7be8ec9ff995/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_fbf0ebda-1a33-46a4-b4ba-7be8ec9ff995/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf0ebda-1a33-46a4-b4ba-7be8ec9ff995/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_fbf0ebda-1a33-46a4-b4ba-7be8ec9ff995/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf0ebda-1a33-46a4-b4ba-7be8ec9ff995/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.6.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf0ebda-1a33-46a4-b4ba-7be8ec9ff995/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_fbf0ebda-1a33-46a4-b4ba-7be8ec9ff995/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 fae77fb6caf55f435f70d06a38b0c2c940532ebf6d023c58a3d8ed1d66a8314f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:04:07,711 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:04:07,833 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf0ebda-1a33-46a4-b4ba-7be8ec9ff995/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2024-11-09 06:04:07,841 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:04:07,842 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:04:07,905 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:04:07,906 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:04:07,907 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:04:07,908 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:04:07,910 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:04:07,911 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:04:07,911 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:04:07,912 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:04:07,913 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:04:07,913 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:04:07,916 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:04:07,917 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:04:07,918 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:04:07,918 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:04:07,919 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:04:07,919 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:04:07,923 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:04:07,924 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 06:04:07,925 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 06:04:07,925 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:04:07,925 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 06:04:07,925 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:04:07,926 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:04:07,926 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:04:07,926 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:04:07,929 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:04:07,929 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:04:07,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:04:07,930 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:04:07,931 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:04:07,932 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:04:07,933 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 06:04:07,933 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 06:04:07,934 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:04:07,934 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:04:07,934 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_fbf0ebda-1a33-46a4-b4ba-7be8ec9ff995/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf0ebda-1a33-46a4-b4ba-7be8ec9ff995/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fae77fb6caf55f435f70d06a38b0c2c940532ebf6d023c58a3d8ed1d66a8314f [2024-11-09 06:04:08,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:04:08,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:04:08,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:04:08,447 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:04:08,448 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:04:08,449 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf0ebda-1a33-46a4-b4ba-7be8ec9ff995/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.6.prop1-func-interl.c Unable to find full path for "g++" [2024-11-09 06:04:10,919 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:04:11,364 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:04:11,365 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf0ebda-1a33-46a4-b4ba-7be8ec9ff995/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.6.prop1-func-interl.c [2024-11-09 06:04:11,396 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf0ebda-1a33-46a4-b4ba-7be8ec9ff995/bin/utaipan-verify-YMUCfTKeje/data/39aaab7a4/c0281314f39f461fb36da4486d64a8c0/FLAGee8ab366c [2024-11-09 06:04:11,418 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf0ebda-1a33-46a4-b4ba-7be8ec9ff995/bin/utaipan-verify-YMUCfTKeje/data/39aaab7a4/c0281314f39f461fb36da4486d64a8c0 [2024-11-09 06:04:11,422 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:04:11,423 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:04:11,427 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:04:11,427 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:04:11,433 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:04:11,433 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:04:11" (1/1) ... [2024-11-09 06:04:11,434 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73f72b5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:04:11, skipping insertion in model container [2024-11-09 06:04:11,436 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:04:11" (1/1) ... [2024-11-09 06:04:11,554 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:04:11,915 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_fbf0ebda-1a33-46a4-b4ba-7be8ec9ff995/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.6.prop1-func-interl.c[1175,1188] [2024-11-09 06:04:12,465 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:04:12,489 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:04:12,504 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_fbf0ebda-1a33-46a4-b4ba-7be8ec9ff995/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.6.prop1-func-interl.c[1175,1188] [2024-11-09 06:04:12,761 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:04:12,782 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:04:12,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:04:12 WrapperNode [2024-11-09 06:04:12,783 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:04:12,784 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:04:12,785 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:04:12,785 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:04:12,793 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:04:12" (1/1) ... [2024-11-09 06:04:12,850 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:04:12" (1/1) ... [2024-11-09 06:04:13,044 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3138 [2024-11-09 06:04:13,049 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:04:13,049 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:04:13,050 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:04:13,050 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:04:13,069 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:04:12" (1/1) ... [2024-11-09 06:04:13,069 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:04:12" (1/1) ... [2024-11-09 06:04:13,100 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:04:12" (1/1) ... [2024-11-09 06:04:13,101 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:04:12" (1/1) ... [2024-11-09 06:04:13,195 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:04:12" (1/1) ... [2024-11-09 06:04:13,210 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:04:12" (1/1) ... [2024-11-09 06:04:13,231 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:04:12" (1/1) ... [2024-11-09 06:04:13,252 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:04:12" (1/1) ... [2024-11-09 06:04:13,278 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:04:13,280 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:04:13,280 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:04:13,280 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:04:13,281 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:04:12" (1/1) ... [2024-11-09 06:04:13,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:04:13,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf0ebda-1a33-46a4-b4ba-7be8ec9ff995/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:04:13,312 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf0ebda-1a33-46a4-b4ba-7be8ec9ff995/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:04:13,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf0ebda-1a33-46a4-b4ba-7be8ec9ff995/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:04:13,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:04:13,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 06:04:13,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:04:13,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:04:14,108 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:04:14,110 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:04:20,191 INFO L? ?]: Removed 137 outVars from TransFormulas that were not future-live. [2024-11-09 06:04:20,191 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:04:20,202 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:04:20,203 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:04:20,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:04:20 BoogieIcfgContainer [2024-11-09 06:04:20,203 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:04:20,207 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:04:20,208 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:04:20,211 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:04:20,211 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:04:11" (1/3) ... [2024-11-09 06:04:20,212 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31728268 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:04:20, skipping insertion in model container [2024-11-09 06:04:20,212 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:04:12" (2/3) ... [2024-11-09 06:04:20,214 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31728268 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:04:20, skipping insertion in model container [2024-11-09 06:04:20,214 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:04:20" (3/3) ... [2024-11-09 06:04:20,216 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.anderson.6.prop1-func-interl.c [2024-11-09 06:04:20,238 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:04:20,239 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:04:20,314 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:04:20,323 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;@754bd448, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:04:20,323 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:04:20,328 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 06:04:20,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 06:04:20,334 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:04:20,336 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-09 06:04:20,336 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:04:20,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:04:20,344 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2024-11-09 06:04:20,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:04:20,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [961556197] [2024-11-09 06:04:20,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:04:20,363 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 06:04:20,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf0ebda-1a33-46a4-b4ba-7be8ec9ff995/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:04:20,367 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf0ebda-1a33-46a4-b4ba-7be8ec9ff995/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 06:04:20,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf0ebda-1a33-46a4-b4ba-7be8ec9ff995/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 06:04:21,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:04:21,221 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-09 06:04:21,246 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:04:22,200 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 06:04:22,201 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:04:22,203 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:04:22,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [961556197] [2024-11-09 06:04:22,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [961556197] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:04:22,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:04:22,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 06:04:22,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424341687] [2024-11-09 06:04:22,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:04:22,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 06:04:22,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:04:22,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 06:04:22,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:04:22,244 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 06:04:24,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:04:24,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:04:24,664 INFO L93 Difference]: Finished difference Result 19 states and 27 transitions. [2024-11-09 06:04:24,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 06:04:24,668 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 06:04:24,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:04:24,677 INFO L225 Difference]: With dead ends: 19 [2024-11-09 06:04:24,678 INFO L226 Difference]: Without dead ends: 10 [2024-11-09 06:04:24,680 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:04:24,685 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-09 06:04:24,686 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-09 06:04:24,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-09 06:04:24,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-09 06:04:24,722 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 06:04:24,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-09 06:04:24,724 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-09 06:04:24,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:04:24,725 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-09 06:04:24,725 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 06:04:24,726 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-09 06:04:24,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 06:04:24,726 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:04:24,727 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-09 06:04:24,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf0ebda-1a33-46a4-b4ba-7be8ec9ff995/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 06:04:24,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf0ebda-1a33-46a4-b4ba-7be8ec9ff995/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 06:04:24,932 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:04:24,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:04:24,934 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2024-11-09 06:04:24,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:04:24,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1018165118] [2024-11-09 06:04:24,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:04:24,937 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 06:04:24,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf0ebda-1a33-46a4-b4ba-7be8ec9ff995/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:04:24,942 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf0ebda-1a33-46a4-b4ba-7be8ec9ff995/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 06:04:24,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbf0ebda-1a33-46a4-b4ba-7be8ec9ff995/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 06:04:27,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:04:27,496 INFO L255 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 76 conjuncts are in the unsatisfiable core [2024-11-09 06:04:27,538 INFO L278 TraceCheckSpWp]: Computing forward predicates...