./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p08.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f570d727-5b1e-431e-829e-5c1ae8a56f18/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f570d727-5b1e-431e-829e-5c1ae8a56f18/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_f570d727-5b1e-431e-829e-5c1ae8a56f18/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f570d727-5b1e-431e-829e-5c1ae8a56f18/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p08.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f570d727-5b1e-431e-829e-5c1ae8a56f18/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_f570d727-5b1e-431e-829e-5c1ae8a56f18/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 158825441bba3feb949ddeebc9960176b40b93a77b9957f5b3b8b9ba5682b39e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:21:17,850 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:21:17,977 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f570d727-5b1e-431e-829e-5c1ae8a56f18/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 05:21:17,983 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:21:17,983 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:21:18,030 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:21:18,034 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:21:18,034 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:21:18,035 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:21:18,037 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:21:18,038 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:21:18,038 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:21:18,038 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:21:18,039 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:21:18,039 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:21:18,039 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:21:18,043 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:21:18,043 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:21:18,044 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:21:18,044 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:21:18,044 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:21:18,045 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:21:18,045 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:21:18,046 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:21:18,046 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:21:18,046 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:21:18,046 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:21:18,047 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:21:18,047 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:21:18,047 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:21:18,047 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:21:18,048 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:21:18,048 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:21:18,052 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:21:18,053 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:21:18,053 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:21:18,053 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:21:18,054 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:21:18,054 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:21:18,054 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:21:18,054 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:21:18,056 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:21:18,056 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:21:18,056 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:21:18,057 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_f570d727-5b1e-431e-829e-5c1ae8a56f18/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f570d727-5b1e-431e-829e-5c1ae8a56f18/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 158825441bba3feb949ddeebc9960176b40b93a77b9957f5b3b8b9ba5682b39e [2024-11-09 05:21:18,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:21:18,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:21:18,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:21:18,411 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:21:18,411 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:21:18,412 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f570d727-5b1e-431e-829e-5c1ae8a56f18/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p08.c Unable to find full path for "g++" [2024-11-09 05:21:20,425 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:21:20,741 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:21:20,742 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f570d727-5b1e-431e-829e-5c1ae8a56f18/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p08.c [2024-11-09 05:21:20,766 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f570d727-5b1e-431e-829e-5c1ae8a56f18/bin/utaipan-verify-YMUCfTKeje/data/bb99d586c/375ed87393cb4a08ad3f40b27479f69b/FLAG434e53fba [2024-11-09 05:21:20,804 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f570d727-5b1e-431e-829e-5c1ae8a56f18/bin/utaipan-verify-YMUCfTKeje/data/bb99d586c/375ed87393cb4a08ad3f40b27479f69b [2024-11-09 05:21:20,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:21:20,809 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:21:20,810 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:21:20,810 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:21:20,816 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:21:20,817 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:21:20" (1/1) ... [2024-11-09 05:21:20,818 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@528b8893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:20, skipping insertion in model container [2024-11-09 05:21:20,818 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:21:20" (1/1) ... [2024-11-09 05:21:20,902 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:21:21,116 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_f570d727-5b1e-431e-829e-5c1ae8a56f18/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p08.c[1259,1272] [2024-11-09 05:21:21,493 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:21:21,503 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:21:21,516 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_f570d727-5b1e-431e-829e-5c1ae8a56f18/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p08.c[1259,1272] [2024-11-09 05:21:21,687 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:21:21,705 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:21:21,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:21 WrapperNode [2024-11-09 05:21:21,706 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:21:21,707 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:21:21,707 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:21:21,707 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:21:21,714 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:21" (1/1) ... [2024-11-09 05:21:21,761 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:21" (1/1) ... [2024-11-09 05:21:22,036 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2603 [2024-11-09 05:21:22,036 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:21:22,037 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:21:22,037 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:21:22,037 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:21:22,047 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:21" (1/1) ... [2024-11-09 05:21:22,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:21" (1/1) ... [2024-11-09 05:21:22,113 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:21" (1/1) ... [2024-11-09 05:21:22,113 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:21" (1/1) ... [2024-11-09 05:21:22,331 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:21" (1/1) ... [2024-11-09 05:21:22,367 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:21" (1/1) ... [2024-11-09 05:21:22,454 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:21" (1/1) ... [2024-11-09 05:21:22,468 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:21" (1/1) ... [2024-11-09 05:21:22,539 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:21:22,540 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:21:22,541 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:21:22,541 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:21:22,542 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:21" (1/1) ... [2024-11-09 05:21:22,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:21:22,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f570d727-5b1e-431e-829e-5c1ae8a56f18/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:21:22,577 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f570d727-5b1e-431e-829e-5c1ae8a56f18/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:21:22,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f570d727-5b1e-431e-829e-5c1ae8a56f18/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:21:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:21:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:21:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:21:22,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:21:22,974 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:21:22,977 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:21:26,220 INFO L? ?]: Removed 1628 outVars from TransFormulas that were not future-live. [2024-11-09 05:21:26,223 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:21:30,732 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:21:30,733 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:21:30,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:21:30 BoogieIcfgContainer [2024-11-09 05:21:30,733 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:21:30,735 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:21:30,735 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:21:30,739 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:21:30,739 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:21:20" (1/3) ... [2024-11-09 05:21:30,740 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5208ec57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:21:30, skipping insertion in model container [2024-11-09 05:21:30,741 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:21" (2/3) ... [2024-11-09 05:21:30,741 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5208ec57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:21:30, skipping insertion in model container [2024-11-09 05:21:30,743 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:21:30" (3/3) ... [2024-11-09 05:21:30,744 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsaR_p08.c [2024-11-09 05:21:30,764 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:21:30,764 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:21:30,841 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:21:30,850 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;@6841597, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:21:30,851 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:21:30,854 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 05:21:30,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 05:21:30,860 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:21:30,861 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-09 05:21:30,861 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:21:30,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:21:30,868 INFO L85 PathProgramCache]: Analyzing trace with hash 100118462, now seen corresponding path program 1 times [2024-11-09 05:21:30,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:21:30,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290862397] [2024-11-09 05:21:30,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:21:30,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:21:32,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:21:32,832 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 05:21:34,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:21:34,420 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 05:21:34,422 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 05:21:34,424 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 05:21:34,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:21:34,431 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 05:21:34,458 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-09 05:21:34,476 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:21:34,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:21:34 BoogieIcfgContainer [2024-11-09 05:21:34,481 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:21:34,484 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:21:34,484 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:21:34,484 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:21:34,485 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:21:30" (3/4) ... [2024-11-09 05:21:34,488 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 05:21:34,489 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:21:34,491 INFO L158 Benchmark]: Toolchain (without parser) took 13681.67ms. Allocated memory was 167.8MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 137.7MB in the beginning and 1.1GB in the end (delta: -983.1MB). Peak memory consumption was 305.3MB. Max. memory is 16.1GB. [2024-11-09 05:21:34,491 INFO L158 Benchmark]: CDTParser took 1.28ms. Allocated memory is still 127.9MB. Free memory was 100.0MB in the beginning and 99.9MB in the end (delta: 151.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:21:34,493 INFO L158 Benchmark]: CACSL2BoogieTranslator took 895.97ms. Allocated memory is still 167.8MB. Free memory was 137.7MB in the beginning and 84.0MB in the end (delta: 53.8MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2024-11-09 05:21:34,493 INFO L158 Benchmark]: Boogie Procedure Inliner took 329.80ms. Allocated memory is still 167.8MB. Free memory was 84.0MB in the beginning and 73.8MB in the end (delta: 10.2MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2024-11-09 05:21:34,494 INFO L158 Benchmark]: Boogie Preprocessor took 502.60ms. Allocated memory was 167.8MB in the beginning and 302.0MB in the end (delta: 134.2MB). Free memory was 73.8MB in the beginning and 222.6MB in the end (delta: -148.8MB). Peak memory consumption was 60.9MB. Max. memory is 16.1GB. [2024-11-09 05:21:34,496 INFO L158 Benchmark]: RCFGBuilder took 8192.87ms. Allocated memory was 302.0MB in the beginning and 736.1MB in the end (delta: 434.1MB). Free memory was 222.6MB in the beginning and 563.7MB in the end (delta: -341.1MB). Peak memory consumption was 333.1MB. Max. memory is 16.1GB. [2024-11-09 05:21:34,497 INFO L158 Benchmark]: TraceAbstraction took 3746.43ms. Allocated memory was 736.1MB in the beginning and 1.5GB in the end (delta: 719.3MB). Free memory was 563.7MB in the beginning and 1.1GB in the end (delta: -557.1MB). Peak memory consumption was 198.6MB. Max. memory is 16.1GB. [2024-11-09 05:21:34,497 INFO L158 Benchmark]: Witness Printer took 6.01ms. Allocated memory is still 1.5GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:21:34,502 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.28ms. Allocated memory is still 127.9MB. Free memory was 100.0MB in the beginning and 99.9MB in the end (delta: 151.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 895.97ms. Allocated memory is still 167.8MB. Free memory was 137.7MB in the beginning and 84.0MB in the end (delta: 53.8MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 329.80ms. Allocated memory is still 167.8MB. Free memory was 84.0MB in the beginning and 73.8MB in the end (delta: 10.2MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 502.60ms. Allocated memory was 167.8MB in the beginning and 302.0MB in the end (delta: 134.2MB). Free memory was 73.8MB in the beginning and 222.6MB in the end (delta: -148.8MB). Peak memory consumption was 60.9MB. Max. memory is 16.1GB. * RCFGBuilder took 8192.87ms. Allocated memory was 302.0MB in the beginning and 736.1MB in the end (delta: 434.1MB). Free memory was 222.6MB in the beginning and 563.7MB in the end (delta: -341.1MB). Peak memory consumption was 333.1MB. Max. memory is 16.1GB. * TraceAbstraction took 3746.43ms. Allocated memory was 736.1MB in the beginning and 1.5GB in the end (delta: 719.3MB). Free memory was 563.7MB in the beginning and 1.1GB in the end (delta: -557.1MB). Peak memory consumption was 198.6MB. Max. memory is 16.1GB. * Witness Printer took 6.01ms. Allocated memory is still 1.5GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 177, overapproximation of bitwiseAnd at line 150. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 5); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (5 - 1); [L32] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 12); [L33] const SORT_5 msb_SORT_5 = (SORT_5)1 << (12 - 1); [L35] const SORT_10 mask_SORT_10 = (SORT_10)-1 >> (sizeof(SORT_10) * 8 - 3); [L36] const SORT_10 msb_SORT_10 = (SORT_10)1 << (3 - 1); [L38] const SORT_24 mask_SORT_24 = (SORT_24)-1 >> (sizeof(SORT_24) * 8 - 2); [L39] const SORT_24 msb_SORT_24 = (SORT_24)1 << (2 - 1); [L41] const SORT_156 mask_SORT_156 = (SORT_156)-1 >> (sizeof(SORT_156) * 8 - 4); [L42] const SORT_156 msb_SORT_156 = (SORT_156)1 << (4 - 1); [L44] const SORT_204 mask_SORT_204 = (SORT_204)-1 >> (sizeof(SORT_204) * 8 - 32); [L45] const SORT_204 msb_SORT_204 = (SORT_204)1 << (32 - 1); [L47] const SORT_5 var_7 = 0; [L48] const SORT_10 var_12 = 3; [L49] const SORT_10 var_15 = 4; [L50] const SORT_10 var_18 = 0; [L51] const SORT_1 var_22 = 1; [L52] const SORT_24 var_26 = 0; [L53] const SORT_24 var_29 = 3; [L54] const SORT_3 var_34 = 0; [L55] const SORT_1 var_45 = 0; [L56] const SORT_10 var_118 = 2; [L57] const SORT_10 var_122 = 1; [L58] const SORT_10 var_128 = 5; [L59] const SORT_10 var_172 = 7; [L60] const SORT_10 var_177 = 6; [L61] const SORT_204 var_206 = 0; [L62] const SORT_3 var_221 = 2; [L63] const SORT_3 var_243 = 31; [L65] SORT_1 input_2; [L66] SORT_3 input_4; [L67] SORT_5 input_6; [L68] SORT_3 input_232; [L69] SORT_3 input_233; [L70] SORT_3 input_234; [L71] SORT_3 input_242; [L72] SORT_3 input_252; [L73] SORT_3 input_253; [L74] SORT_3 input_254; [L75] SORT_3 input_257; [L76] SORT_3 input_276; [L77] SORT_3 input_277; [L78] SORT_3 input_278; [L79] SORT_3 input_281; [L80] SORT_3 input_283; [L81] SORT_24 input_297; [L82] SORT_24 input_298; [L83] SORT_24 input_299; [L85] EXPR __VERIFIER_nondet_ushort() & mask_SORT_5 [L85] SORT_5 state_8 = __VERIFIER_nondet_ushort() & mask_SORT_5; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_10 [L86] SORT_10 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_10; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L87] SORT_3 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L88] SORT_3 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L89] SORT_3 state_42 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L90] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L90] SORT_1 state_102 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L91] SORT_3 state_104 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L92] SORT_3 state_106 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L93] SORT_3 state_108 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L94] SORT_3 state_110 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L95] SORT_3 state_112 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L96] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L96] SORT_3 state_114 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L97] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L97] SORT_3 state_116 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L99] SORT_5 init_9_arg_1 = var_7; [L100] state_8 = init_9_arg_1 [L101] SORT_10 init_20_arg_1 = var_18; [L102] state_19 = init_20_arg_1 [L103] SORT_3 init_36_arg_1 = var_34; [L104] state_35 = init_36_arg_1 [L105] SORT_3 init_39_arg_1 = var_34; [L106] state_38 = init_39_arg_1 [L107] SORT_3 init_43_arg_1 = var_34; [L108] state_42 = init_43_arg_1 [L109] SORT_1 init_103_arg_1 = var_45; [L110] state_102 = init_103_arg_1 [L111] SORT_3 init_105_arg_1 = var_34; [L112] state_104 = init_105_arg_1 [L113] SORT_3 init_107_arg_1 = var_34; [L114] state_106 = init_107_arg_1 [L115] SORT_3 init_109_arg_1 = var_34; [L116] state_108 = init_109_arg_1 [L117] SORT_3 init_111_arg_1 = var_34; [L118] state_110 = init_111_arg_1 [L119] SORT_3 init_113_arg_1 = var_34; [L120] state_112 = init_113_arg_1 [L121] SORT_3 init_115_arg_1 = var_34; [L122] state_114 = init_115_arg_1 [L123] SORT_3 init_117_arg_1 = var_34; [L124] state_116 = init_117_arg_1 VAL [mask_SORT_10=7, mask_SORT_156=15, mask_SORT_1=1, mask_SORT_24=3, mask_SORT_3=31, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_114=0, state_116=0, state_19=0, state_35=0, state_38=0, state_42=0, state_8=0, var_118=2, var_122=1, var_128=5, var_12=3, var_15=4, var_172=7, var_177=6, var_18=0, var_206=0, var_221=2, var_22=1, var_243=31, var_26=0, var_29=3, var_34=0, var_45=0] [L127] input_2 = __VERIFIER_nondet_uchar() [L128] input_4 = __VERIFIER_nondet_uchar() [L129] input_6 = __VERIFIER_nondet_ushort() [L130] input_232 = __VERIFIER_nondet_uchar() [L131] input_233 = __VERIFIER_nondet_uchar() [L132] input_234 = __VERIFIER_nondet_uchar() [L133] input_242 = __VERIFIER_nondet_uchar() [L134] input_252 = __VERIFIER_nondet_uchar() [L135] input_253 = __VERIFIER_nondet_uchar() [L136] input_254 = __VERIFIER_nondet_uchar() [L137] input_257 = __VERIFIER_nondet_uchar() [L138] input_276 = __VERIFIER_nondet_uchar() [L139] input_277 = __VERIFIER_nondet_uchar() [L140] input_278 = __VERIFIER_nondet_uchar() [L141] input_281 = __VERIFIER_nondet_uchar() [L142] input_283 = __VERIFIER_nondet_uchar() [L143] input_297 = __VERIFIER_nondet_uchar() [L144] input_298 = __VERIFIER_nondet_uchar() [L145] input_299 = __VERIFIER_nondet_uchar() [L148] SORT_5 var_11_arg_0 = state_8; [L149] SORT_10 var_11 = var_11_arg_0 >> 9; [L150] EXPR var_11 & mask_SORT_10 [L150] var_11 = var_11 & mask_SORT_10 [L151] SORT_10 var_13_arg_0 = var_11; [L152] SORT_10 var_13_arg_1 = var_12; [L153] SORT_1 var_13 = var_13_arg_0 == var_13_arg_1; [L154] SORT_5 var_14_arg_0 = state_8; [L155] SORT_10 var_14 = var_14_arg_0 >> 0; [L156] EXPR var_14 & mask_SORT_10 [L156] var_14 = var_14 & mask_SORT_10 [L157] SORT_10 var_16_arg_0 = var_14; [L158] SORT_10 var_16_arg_1 = var_15; [L159] SORT_1 var_16 = var_16_arg_0 == var_16_arg_1; [L160] SORT_1 var_17_arg_0 = var_13; [L161] SORT_1 var_17_arg_1 = var_16; [L162] EXPR var_17_arg_0 & var_17_arg_1 [L162] SORT_1 var_17 = var_17_arg_0 & var_17_arg_1; [L163] SORT_10 var_21_arg_0 = state_19; [L164] SORT_1 var_21 = var_21_arg_0 >> 2; [L165] EXPR var_21 & mask_SORT_1 [L165] var_21 = var_21 & mask_SORT_1 [L166] SORT_1 var_23_arg_0 = var_21; [L167] SORT_1 var_23_arg_1 = var_22; [L168] SORT_1 var_23 = var_23_arg_0 == var_23_arg_1; [L169] SORT_10 var_25_arg_0 = state_19; [L170] SORT_24 var_25 = var_25_arg_0 >> 0; [L171] EXPR var_25 & mask_SORT_24 [L171] var_25 = var_25 & mask_SORT_24 [L172] SORT_24 var_27_arg_0 = var_25; [L173] SORT_24 var_27_arg_1 = var_26; [L174] SORT_1 var_27 = var_27_arg_0 == var_27_arg_1; [L175] SORT_1 var_28_arg_0 = var_23; [L176] SORT_1 var_28_arg_1 = var_27; [L177] EXPR var_28_arg_0 | var_28_arg_1 [L177] SORT_1 var_28 = var_28_arg_0 | var_28_arg_1; [L178] SORT_24 var_30_arg_0 = var_25; [L179] SORT_24 var_30_arg_1 = var_29; [L180] SORT_1 var_30 = var_30_arg_0 == var_30_arg_1; [L181] SORT_1 var_31_arg_0 = var_28; [L182] SORT_1 var_31_arg_1 = var_30; [L183] EXPR var_31_arg_0 | var_31_arg_1 [L183] SORT_1 var_31 = var_31_arg_0 | var_31_arg_1; [L184] SORT_1 var_32_arg_0 = var_17; [L185] SORT_1 var_32_arg_1 = var_31; [L186] EXPR var_32_arg_0 & var_32_arg_1 [L186] SORT_1 var_32 = var_32_arg_0 & var_32_arg_1; [L187] SORT_1 var_33_arg_0 = var_32; [L188] SORT_1 var_33 = ~var_33_arg_0; [L189] SORT_3 var_37_arg_0 = state_35; [L190] SORT_1 var_37 = var_37_arg_0 >> 4; [L191] EXPR var_37 & mask_SORT_1 [L191] var_37 = var_37 & mask_SORT_1 [L192] SORT_3 var_40_arg_0 = state_38; [L193] SORT_1 var_40 = var_40_arg_0 >> 4; [L194] EXPR var_40 & mask_SORT_1 [L194] var_40 = var_40 & mask_SORT_1 [L195] SORT_1 var_41_arg_0 = var_37; [L196] SORT_1 var_41_arg_1 = var_40; [L197] SORT_1 var_41 = var_41_arg_0 != var_41_arg_1; [L198] SORT_3 var_44_arg_0 = state_42; [L199] SORT_1 var_44 = var_44_arg_0 >> 4; [L200] EXPR var_44 & mask_SORT_1 [L200] var_44 = var_44 & mask_SORT_1 [L201] SORT_1 var_46_arg_0 = var_44; [L202] SORT_1 var_46_arg_1 = var_45; [L203] SORT_1 var_46 = var_46_arg_0 == var_46_arg_1; [L204] SORT_1 var_47_arg_0 = var_41; [L205] SORT_1 var_47_arg_1 = var_46; [L206] EXPR var_47_arg_0 | var_47_arg_1 [L206] SORT_1 var_47 = var_47_arg_0 | var_47_arg_1; [L207] SORT_1 var_48_arg_0 = var_44; [L208] SORT_1 var_48_arg_1 = var_45; [L209] SORT_1 var_48 = var_48_arg_0 != var_48_arg_1; [L210] SORT_1 var_49_arg_0 = var_37; [L211] SORT_1 var_49_arg_1 = var_40; [L212] SORT_1 var_49 = var_49_arg_0 == var_49_arg_1; [L213] SORT_1 var_50_arg_0 = var_48; [L214] SORT_1 var_50_arg_1 = var_49; [L215] EXPR var_50_arg_0 | var_50_arg_1 [L215] SORT_1 var_50 = var_50_arg_0 | var_50_arg_1; [L216] SORT_1 var_51_arg_0 = var_47; [L217] SORT_1 var_51_arg_1 = var_50; [L218] EXPR var_51_arg_0 & var_51_arg_1 [L218] SORT_1 var_51 = var_51_arg_0 & var_51_arg_1; [L219] SORT_3 var_52_arg_0 = state_35; [L220] SORT_1 var_52 = var_52_arg_0 >> 3; [L221] EXPR var_52 & mask_SORT_1 [L221] var_52 = var_52 & mask_SORT_1 [L222] SORT_3 var_53_arg_0 = state_38; [L223] SORT_1 var_53 = var_53_arg_0 >> 3; [L224] EXPR var_53 & mask_SORT_1 [L224] var_53 = var_53 & mask_SORT_1 [L225] SORT_1 var_54_arg_0 = var_52; [L226] SORT_1 var_54_arg_1 = var_53; [L227] SORT_1 var_54 = var_54_arg_0 != var_54_arg_1; [L228] SORT_3 var_55_arg_0 = state_42; [L229] SORT_1 var_55 = var_55_arg_0 >> 3; [L230] EXPR var_55 & mask_SORT_1 [L230] var_55 = var_55 & mask_SORT_1 [L231] SORT_1 var_56_arg_0 = var_55; [L232] SORT_1 var_56_arg_1 = var_45; [L233] SORT_1 var_56 = var_56_arg_0 == var_56_arg_1; [L234] SORT_1 var_57_arg_0 = var_54; [L235] SORT_1 var_57_arg_1 = var_56; [L236] EXPR var_57_arg_0 | var_57_arg_1 [L236] SORT_1 var_57 = var_57_arg_0 | var_57_arg_1; [L237] SORT_1 var_58_arg_0 = var_51; [L238] SORT_1 var_58_arg_1 = var_57; [L239] EXPR var_58_arg_0 & var_58_arg_1 [L239] SORT_1 var_58 = var_58_arg_0 & var_58_arg_1; [L240] SORT_1 var_59_arg_0 = var_55; [L241] SORT_1 var_59_arg_1 = var_45; [L242] SORT_1 var_59 = var_59_arg_0 != var_59_arg_1; [L243] SORT_1 var_60_arg_0 = var_52; [L244] SORT_1 var_60_arg_1 = var_53; [L245] SORT_1 var_60 = var_60_arg_0 == var_60_arg_1; [L246] SORT_1 var_61_arg_0 = var_59; [L247] SORT_1 var_61_arg_1 = var_60; [L248] EXPR var_61_arg_0 | var_61_arg_1 [L248] SORT_1 var_61 = var_61_arg_0 | var_61_arg_1; [L249] SORT_1 var_62_arg_0 = var_58; [L250] SORT_1 var_62_arg_1 = var_61; [L251] EXPR var_62_arg_0 & var_62_arg_1 [L251] SORT_1 var_62 = var_62_arg_0 & var_62_arg_1; [L252] SORT_3 var_63_arg_0 = state_35; [L253] SORT_1 var_63 = var_63_arg_0 >> 2; [L254] EXPR var_63 & mask_SORT_1 [L254] var_63 = var_63 & mask_SORT_1 [L255] SORT_3 var_64_arg_0 = state_38; [L256] SORT_1 var_64 = var_64_arg_0 >> 2; [L257] EXPR var_64 & mask_SORT_1 [L257] var_64 = var_64 & mask_SORT_1 [L258] SORT_1 var_65_arg_0 = var_63; [L259] SORT_1 var_65_arg_1 = var_64; [L260] SORT_1 var_65 = var_65_arg_0 != var_65_arg_1; [L261] SORT_3 var_66_arg_0 = state_42; [L262] SORT_1 var_66 = var_66_arg_0 >> 2; [L263] EXPR var_66 & mask_SORT_1 [L263] var_66 = var_66 & mask_SORT_1 [L264] SORT_1 var_67_arg_0 = var_66; [L265] SORT_1 var_67_arg_1 = var_45; [L266] SORT_1 var_67 = var_67_arg_0 == var_67_arg_1; [L267] SORT_1 var_68_arg_0 = var_65; [L268] SORT_1 var_68_arg_1 = var_67; [L269] EXPR var_68_arg_0 | var_68_arg_1 [L269] SORT_1 var_68 = var_68_arg_0 | var_68_arg_1; [L270] SORT_1 var_69_arg_0 = var_62; [L271] SORT_1 var_69_arg_1 = var_68; [L272] EXPR var_69_arg_0 & var_69_arg_1 [L272] SORT_1 var_69 = var_69_arg_0 & var_69_arg_1; [L273] SORT_1 var_70_arg_0 = var_66; [L274] SORT_1 var_70_arg_1 = var_45; [L275] SORT_1 var_70 = var_70_arg_0 != var_70_arg_1; [L276] SORT_1 var_71_arg_0 = var_63; [L277] SORT_1 var_71_arg_1 = var_64; [L278] SORT_1 var_71 = var_71_arg_0 == var_71_arg_1; [L279] SORT_1 var_72_arg_0 = var_70; [L280] SORT_1 var_72_arg_1 = var_71; [L281] EXPR var_72_arg_0 | var_72_arg_1 [L281] SORT_1 var_72 = var_72_arg_0 | var_72_arg_1; [L282] SORT_1 var_73_arg_0 = var_69; [L283] SORT_1 var_73_arg_1 = var_72; [L284] EXPR var_73_arg_0 & var_73_arg_1 [L284] SORT_1 var_73 = var_73_arg_0 & var_73_arg_1; [L285] SORT_3 var_74_arg_0 = state_35; [L286] SORT_1 var_74 = var_74_arg_0 >> 1; [L287] EXPR var_74 & mask_SORT_1 [L287] var_74 = var_74 & mask_SORT_1 [L288] SORT_3 var_75_arg_0 = state_38; [L289] SORT_1 var_75 = var_75_arg_0 >> 1; [L290] EXPR var_75 & mask_SORT_1 [L290] var_75 = var_75 & mask_SORT_1 [L291] SORT_1 var_76_arg_0 = var_74; [L292] SORT_1 var_76_arg_1 = var_75; [L293] SORT_1 var_76 = var_76_arg_0 != var_76_arg_1; [L294] SORT_3 var_77_arg_0 = state_42; [L295] SORT_1 var_77 = var_77_arg_0 >> 1; [L296] EXPR var_77 & mask_SORT_1 [L296] var_77 = var_77 & mask_SORT_1 [L297] SORT_1 var_78_arg_0 = var_77; [L298] SORT_1 var_78_arg_1 = var_45; [L299] SORT_1 var_78 = var_78_arg_0 == var_78_arg_1; [L300] SORT_1 var_79_arg_0 = var_76; [L301] SORT_1 var_79_arg_1 = var_78; [L302] EXPR var_79_arg_0 | var_79_arg_1 [L302] SORT_1 var_79 = var_79_arg_0 | var_79_arg_1; [L303] SORT_1 var_80_arg_0 = var_73; [L304] SORT_1 var_80_arg_1 = var_79; [L305] EXPR var_80_arg_0 & var_80_arg_1 [L305] SORT_1 var_80 = var_80_arg_0 & var_80_arg_1; [L306] SORT_1 var_81_arg_0 = var_77; [L307] SORT_1 var_81_arg_1 = var_45; [L308] SORT_1 var_81 = var_81_arg_0 != var_81_arg_1; [L309] SORT_1 var_82_arg_0 = var_74; [L310] SORT_1 var_82_arg_1 = var_75; [L311] SORT_1 var_82 = var_82_arg_0 == var_82_arg_1; [L312] SORT_1 var_83_arg_0 = var_81; [L313] SORT_1 var_83_arg_1 = var_82; [L314] EXPR var_83_arg_0 | var_83_arg_1 [L314] SORT_1 var_83 = var_83_arg_0 | var_83_arg_1; [L315] SORT_1 var_84_arg_0 = var_80; [L316] SORT_1 var_84_arg_1 = var_83; [L317] EXPR var_84_arg_0 & var_84_arg_1 [L317] SORT_1 var_84 = var_84_arg_0 & var_84_arg_1; [L318] SORT_3 var_85_arg_0 = state_35; [L319] SORT_1 var_85 = var_85_arg_0 >> 0; [L320] EXPR var_85 & mask_SORT_1 [L320] var_85 = var_85 & mask_SORT_1 [L321] SORT_3 var_86_arg_0 = state_38; [L322] SORT_1 var_86 = var_86_arg_0 >> 0; [L323] EXPR var_86 & mask_SORT_1 [L323] var_86 = var_86 & mask_SORT_1 [L324] SORT_1 var_87_arg_0 = var_85; [L325] SORT_1 var_87_arg_1 = var_86; [L326] SORT_1 var_87 = var_87_arg_0 != var_87_arg_1; [L327] SORT_3 var_88_arg_0 = state_42; [L328] SORT_1 var_88 = var_88_arg_0 >> 0; [L329] EXPR var_88 & mask_SORT_1 [L329] var_88 = var_88 & mask_SORT_1 [L330] SORT_1 var_89_arg_0 = var_88; [L331] SORT_1 var_89_arg_1 = var_45; [L332] SORT_1 var_89 = var_89_arg_0 == var_89_arg_1; [L333] SORT_1 var_90_arg_0 = var_87; [L334] SORT_1 var_90_arg_1 = var_89; [L335] EXPR var_90_arg_0 | var_90_arg_1 [L335] SORT_1 var_90 = var_90_arg_0 | var_90_arg_1; [L336] SORT_1 var_91_arg_0 = var_84; [L337] SORT_1 var_91_arg_1 = var_90; [L338] EXPR var_91_arg_0 & var_91_arg_1 [L338] SORT_1 var_91 = var_91_arg_0 & var_91_arg_1; [L339] SORT_1 var_92_arg_0 = var_88; [L340] SORT_1 var_92_arg_1 = var_45; [L341] SORT_1 var_92 = var_92_arg_0 != var_92_arg_1; [L342] SORT_1 var_93_arg_0 = var_85; [L343] SORT_1 var_93_arg_1 = var_86; [L344] SORT_1 var_93 = var_93_arg_0 == var_93_arg_1; [L345] SORT_1 var_94_arg_0 = var_92; [L346] SORT_1 var_94_arg_1 = var_93; [L347] EXPR var_94_arg_0 | var_94_arg_1 [L347] SORT_1 var_94 = var_94_arg_0 | var_94_arg_1; [L348] SORT_1 var_95_arg_0 = var_91; [L349] SORT_1 var_95_arg_1 = var_94; [L350] EXPR var_95_arg_0 & var_95_arg_1 [L350] SORT_1 var_95 = var_95_arg_0 & var_95_arg_1; [L351] SORT_1 var_96_arg_0 = var_33; [L352] SORT_1 var_96_arg_1 = var_95; [L353] EXPR var_96_arg_0 | var_96_arg_1 [L353] SORT_1 var_96 = var_96_arg_0 | var_96_arg_1; [L354] SORT_1 var_99_arg_0 = var_96; [L355] SORT_1 var_99 = ~var_99_arg_0; [L356] SORT_1 var_100_arg_0 = var_22; [L357] SORT_1 var_100_arg_1 = var_99; [L358] EXPR var_100_arg_0 & var_100_arg_1 [L358] SORT_1 var_100 = var_100_arg_0 & var_100_arg_1; [L359] EXPR var_100 & mask_SORT_1 [L359] var_100 = var_100 & mask_SORT_1 [L360] SORT_1 bad_101_arg_0 = var_100; [L361] CALL __VERIFIER_assert(!(bad_101_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: 3.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 05:21:34,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f570d727-5b1e-431e-829e-5c1ae8a56f18/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f570d727-5b1e-431e-829e-5c1ae8a56f18/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f570d727-5b1e-431e-829e-5c1ae8a56f18/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_f570d727-5b1e-431e-829e-5c1ae8a56f18/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f570d727-5b1e-431e-829e-5c1ae8a56f18/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p08.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f570d727-5b1e-431e-829e-5c1ae8a56f18/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_f570d727-5b1e-431e-829e-5c1ae8a56f18/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 158825441bba3feb949ddeebc9960176b40b93a77b9957f5b3b8b9ba5682b39e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:21:37,030 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:21:37,129 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f570d727-5b1e-431e-829e-5c1ae8a56f18/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2024-11-09 05:21:37,136 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:21:37,137 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:21:37,175 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:21:37,175 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:21:37,176 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:21:37,176 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:21:37,177 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:21:37,177 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:21:37,179 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:21:37,179 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:21:37,184 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:21:37,184 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:21:37,184 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:21:37,185 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:21:37,185 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:21:37,186 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:21:37,186 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:21:37,186 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:21:37,186 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:21:37,187 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 05:21:37,187 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 05:21:37,187 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:21:37,188 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 05:21:37,188 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:21:37,188 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:21:37,188 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:21:37,189 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 05:21:37,189 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:21:37,189 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:21:37,192 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:21:37,192 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:21:37,192 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:21:37,193 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:21:37,193 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 05:21:37,193 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 05:21:37,193 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:21:37,194 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:21:37,194 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_f570d727-5b1e-431e-829e-5c1ae8a56f18/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f570d727-5b1e-431e-829e-5c1ae8a56f18/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 158825441bba3feb949ddeebc9960176b40b93a77b9957f5b3b8b9ba5682b39e [2024-11-09 05:21:37,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:21:37,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:21:37,619 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:21:37,621 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:21:37,621 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:21:37,623 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f570d727-5b1e-431e-829e-5c1ae8a56f18/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p08.c Unable to find full path for "g++" [2024-11-09 05:21:39,733 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:21:40,017 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:21:40,018 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f570d727-5b1e-431e-829e-5c1ae8a56f18/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p08.c [2024-11-09 05:21:40,037 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f570d727-5b1e-431e-829e-5c1ae8a56f18/bin/utaipan-verify-YMUCfTKeje/data/d95c64e63/ba8c446cbb5e41a983523535a26a2dd0/FLAG4c2d57f84 [2024-11-09 05:21:40,052 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f570d727-5b1e-431e-829e-5c1ae8a56f18/bin/utaipan-verify-YMUCfTKeje/data/d95c64e63/ba8c446cbb5e41a983523535a26a2dd0 [2024-11-09 05:21:40,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:21:40,056 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:21:40,058 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:21:40,058 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:21:40,064 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:21:40,065 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:21:40" (1/1) ... [2024-11-09 05:21:40,066 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1262feae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:40, skipping insertion in model container [2024-11-09 05:21:40,067 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:21:40" (1/1) ... [2024-11-09 05:21:40,129 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:21:40,445 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_f570d727-5b1e-431e-829e-5c1ae8a56f18/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p08.c[1259,1272] [2024-11-09 05:21:40,776 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:21:40,800 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:21:40,813 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_f570d727-5b1e-431e-829e-5c1ae8a56f18/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p08.c[1259,1272] [2024-11-09 05:21:40,944 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:21:40,970 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:21:40,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:40 WrapperNode [2024-11-09 05:21:40,974 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:21:40,975 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:21:40,976 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:21:40,976 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:21:40,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:40" (1/1) ... [2024-11-09 05:21:41,029 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:40" (1/1) ... [2024-11-09 05:21:41,140 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1257 [2024-11-09 05:21:41,142 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:21:41,144 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:21:41,144 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:21:41,144 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:21:41,154 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:40" (1/1) ... [2024-11-09 05:21:41,154 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:40" (1/1) ... [2024-11-09 05:21:41,183 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:40" (1/1) ... [2024-11-09 05:21:41,183 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:40" (1/1) ... [2024-11-09 05:21:41,217 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:40" (1/1) ... [2024-11-09 05:21:41,226 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:40" (1/1) ... [2024-11-09 05:21:41,236 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:40" (1/1) ... [2024-11-09 05:21:41,248 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:40" (1/1) ... [2024-11-09 05:21:41,261 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:21:41,262 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:21:41,262 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:21:41,263 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:21:41,264 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:40" (1/1) ... [2024-11-09 05:21:41,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:21:41,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f570d727-5b1e-431e-829e-5c1ae8a56f18/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:21:41,306 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f570d727-5b1e-431e-829e-5c1ae8a56f18/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:21:41,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f570d727-5b1e-431e-829e-5c1ae8a56f18/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:21:41,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:21:41,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 05:21:41,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:21:41,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:21:41,649 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:21:41,651 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:21:43,551 INFO L? ?]: Removed 236 outVars from TransFormulas that were not future-live. [2024-11-09 05:21:43,551 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:21:43,563 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:21:43,564 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:21:43,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:21:43 BoogieIcfgContainer [2024-11-09 05:21:43,564 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:21:43,568 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:21:43,569 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:21:43,573 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:21:43,573 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:21:40" (1/3) ... [2024-11-09 05:21:43,574 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b79ec8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:21:43, skipping insertion in model container [2024-11-09 05:21:43,574 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:21:40" (2/3) ... [2024-11-09 05:21:43,574 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b79ec8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:21:43, skipping insertion in model container [2024-11-09 05:21:43,575 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:21:43" (3/3) ... [2024-11-09 05:21:43,576 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsaR_p08.c [2024-11-09 05:21:43,599 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:21:43,600 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:21:43,673 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:21:43,681 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;@64e792e2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:21:43,682 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:21:43,686 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 05:21:43,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 05:21:43,693 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:21:43,695 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-09 05:21:43,695 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:21:43,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:21:43,701 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2024-11-09 05:21:43,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:21:43,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [140667304] [2024-11-09 05:21:43,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:21:43,719 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 05:21:43,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f570d727-5b1e-431e-829e-5c1ae8a56f18/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:21:43,723 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f570d727-5b1e-431e-829e-5c1ae8a56f18/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 05:21:43,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f570d727-5b1e-431e-829e-5c1ae8a56f18/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 05:21:44,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:21:44,282 INFO L255 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 126 conjuncts are in the unsatisfiable core [2024-11-09 05:21:44,335 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:21:45,991 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 05:21:45,992 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:21:45,993 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:21:45,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [140667304] [2024-11-09 05:21:45,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [140667304] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:21:45,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:21:45,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:21:45,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124758773] [2024-11-09 05:21:45,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:21:46,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:21:46,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:21:46,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:21:46,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:21:46,032 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 05:21:46,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:21:46,188 INFO L93 Difference]: Finished difference Result 19 states and 27 transitions. [2024-11-09 05:21:46,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:21:46,190 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 05:21:46,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:21:46,198 INFO L225 Difference]: With dead ends: 19 [2024-11-09 05:21:46,198 INFO L226 Difference]: Without dead ends: 10 [2024-11-09 05:21:46,201 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:21:46,205 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:21:46,206 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:21:46,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-09 05:21:46,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-09 05:21:46,234 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 05:21:46,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-09 05:21:46,236 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-09 05:21:46,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:21:46,237 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-09 05:21:46,237 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 05:21:46,237 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-09 05:21:46,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 05:21:46,238 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:21:46,238 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-09 05:21:46,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f570d727-5b1e-431e-829e-5c1ae8a56f18/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 05:21:46,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f570d727-5b1e-431e-829e-5c1ae8a56f18/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 05:21:46,442 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:21:46,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:21:46,443 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2024-11-09 05:21:46,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:21:46,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1918540875] [2024-11-09 05:21:46,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:21:46,445 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 05:21:46,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f570d727-5b1e-431e-829e-5c1ae8a56f18/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:21:46,451 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f570d727-5b1e-431e-829e-5c1ae8a56f18/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 05:21:46,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f570d727-5b1e-431e-829e-5c1ae8a56f18/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 05:21:47,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:21:47,696 INFO L255 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-09 05:21:47,711 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:21:48,202 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 05:21:48,202 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:21:50,498 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 05:21:50,499 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:21:50,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1918540875] [2024-11-09 05:21:50,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1918540875] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:21:50,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [512811731] [2024-11-09 05:21:50,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:21:50,500 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 05:21:50,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f570d727-5b1e-431e-829e-5c1ae8a56f18/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 05:21:50,515 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f570d727-5b1e-431e-829e-5c1ae8a56f18/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 05:21:50,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f570d727-5b1e-431e-829e-5c1ae8a56f18/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 05:21:51,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:21:51,724 INFO L255 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 135 conjuncts are in the unsatisfiable core [2024-11-09 05:21:51,750 INFO L278 TraceCheckSpWp]: Computing forward predicates...