./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p01.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_e1f05967-cfc5-4d8e-896f-88ff786395b3/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f05967-cfc5-4d8e-896f-88ff786395b3/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f05967-cfc5-4d8e-896f-88ff786395b3/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f05967-cfc5-4d8e-896f-88ff786395b3/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p01.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f05967-cfc5-4d8e-896f-88ff786395b3/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f05967-cfc5-4d8e-896f-88ff786395b3/bin/utaipan-verify-mE87zJ7Ire --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 879e24419bd498e1e21caa9587c0e4309307886fe7a917d7b60b20729c232f2d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:27:53,178 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:27:53,287 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f05967-cfc5-4d8e-896f-88ff786395b3/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:27:53,295 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:27:53,296 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:27:53,329 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:27:53,330 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:27:53,331 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:27:53,332 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:27:53,333 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:27:53,334 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:27:53,335 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:27:53,335 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:27:53,336 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:27:53,337 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:27:53,338 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:27:53,338 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:27:53,339 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:27:53,340 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:27:53,341 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:27:53,341 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:27:53,342 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:27:53,344 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:27:53,345 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:27:53,345 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:27:53,346 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:27:53,347 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:27:53,348 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:27:53,348 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:27:53,349 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:27:53,349 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:27:53,350 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:27:53,351 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:27:53,373 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:27:53,373 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:27:53,374 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:27:53,374 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:27:53,375 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:27:53,375 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:27:53,376 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:27:53,376 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:27:53,377 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:27:53,377 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:27:53,377 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:27:53,378 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_e1f05967-cfc5-4d8e-896f-88ff786395b3/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f05967-cfc5-4d8e-896f-88ff786395b3/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 879e24419bd498e1e21caa9587c0e4309307886fe7a917d7b60b20729c232f2d [2023-11-23 21:27:53,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:27:53,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:27:53,774 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:27:53,775 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:27:53,776 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:27:53,778 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f05967-cfc5-4d8e-896f-88ff786395b3/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p01.c [2023-11-23 21:27:57,426 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:27:57,824 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:27:57,825 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f05967-cfc5-4d8e-896f-88ff786395b3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p01.c [2023-11-23 21:27:57,847 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f05967-cfc5-4d8e-896f-88ff786395b3/bin/utaipan-verify-mE87zJ7Ire/data/a1fdf84df/7c0db188f0314f0f83f01fe27889eefd/FLAG542f6a98c [2023-11-23 21:27:57,867 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f05967-cfc5-4d8e-896f-88ff786395b3/bin/utaipan-verify-mE87zJ7Ire/data/a1fdf84df/7c0db188f0314f0f83f01fe27889eefd [2023-11-23 21:27:57,873 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:27:57,876 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:27:57,880 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:27:57,880 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:27:57,886 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:27:57,887 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:27:57" (1/1) ... [2023-11-23 21:27:57,889 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aa4c338 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:57, skipping insertion in model container [2023-11-23 21:27:57,889 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:27:57" (1/1) ... [2023-11-23 21:27:57,991 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:27:58,251 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f05967-cfc5-4d8e-896f-88ff786395b3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p01.c[1259,1272] [2023-11-23 21:27:58,788 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:27:58,804 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:27:58,830 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f05967-cfc5-4d8e-896f-88ff786395b3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p01.c[1259,1272] [2023-11-23 21:27:58,979 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:27:58,996 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:27:58,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:58 WrapperNode [2023-11-23 21:27:58,997 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:27:58,999 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:27:58,999 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:27:58,999 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:27:59,007 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:58" (1/1) ... [2023-11-23 21:27:59,112 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:58" (1/1) ... [2023-11-23 21:27:59,496 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2653 [2023-11-23 21:27:59,496 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:27:59,497 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:27:59,498 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:27:59,498 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:27:59,511 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:58" (1/1) ... [2023-11-23 21:27:59,511 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:58" (1/1) ... [2023-11-23 21:27:59,573 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:58" (1/1) ... [2023-11-23 21:27:59,574 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:58" (1/1) ... [2023-11-23 21:27:59,699 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:58" (1/1) ... [2023-11-23 21:27:59,730 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:58" (1/1) ... [2023-11-23 21:27:59,765 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:58" (1/1) ... [2023-11-23 21:27:59,791 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:58" (1/1) ... [2023-11-23 21:27:59,866 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:27:59,868 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:27:59,868 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:27:59,869 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:27:59,871 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:58" (1/1) ... [2023-11-23 21:27:59,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:27:59,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f05967-cfc5-4d8e-896f-88ff786395b3/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:27:59,912 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f05967-cfc5-4d8e-896f-88ff786395b3/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:27:59,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f05967-cfc5-4d8e-896f-88ff786395b3/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:27:59,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:27:59,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:27:59,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:27:59,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:28:00,429 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:28:00,432 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:28:03,764 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:28:09,102 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:28:09,103 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:28:09,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:28:09 BoogieIcfgContainer [2023-11-23 21:28:09,105 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:28:09,108 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:28:09,109 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:28:09,112 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:28:09,113 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:27:57" (1/3) ... [2023-11-23 21:28:09,113 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dfc7d15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:28:09, skipping insertion in model container [2023-11-23 21:28:09,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:58" (2/3) ... [2023-11-23 21:28:09,115 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dfc7d15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:28:09, skipping insertion in model container [2023-11-23 21:28:09,116 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:28:09" (3/3) ... [2023-11-23 21:28:09,117 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsaR_p01.c [2023-11-23 21:28:09,139 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:28:09,139 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:28:09,197 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:28:09,206 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5756ae91, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:28:09,206 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:28:09,211 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:28:09,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 21:28:09,218 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:28:09,219 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-23 21:28:09,220 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:28:09,228 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:28:09,229 INFO L85 PathProgramCache]: Analyzing trace with hash 75384706, now seen corresponding path program 1 times [2023-11-23 21:28:09,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:28:09,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552650148] [2023-11-23 21:28:09,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:28:09,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:28:10,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:28:10,793 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:28:12,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:28:12,379 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:28:12,381 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:28:12,383 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:28:12,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:28:12,390 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:28:12,396 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:28:12,451 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-23 21:28:12,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:28:12 BoogieIcfgContainer [2023-11-23 21:28:12,472 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:28:12,473 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:28:12,473 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:28:12,474 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:28:12,474 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:28:09" (3/4) ... [2023-11-23 21:28:12,477 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:28:12,478 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:28:12,480 INFO L158 Benchmark]: Toolchain (without parser) took 14603.44ms. Allocated memory was 172.0MB in the beginning and 463.5MB in the end (delta: 291.5MB). Free memory was 122.6MB in the beginning and 165.4MB in the end (delta: -42.8MB). Peak memory consumption was 249.3MB. Max. memory is 16.1GB. [2023-11-23 21:28:12,481 INFO L158 Benchmark]: CDTParser took 1.83ms. Allocated memory is still 172.0MB. Free memory is still 141.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:28:12,482 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1117.43ms. Allocated memory is still 172.0MB. Free memory was 122.0MB in the beginning and 73.2MB in the end (delta: 48.8MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-11-23 21:28:12,483 INFO L158 Benchmark]: Boogie Procedure Inliner took 498.12ms. Allocated memory was 172.0MB in the beginning and 237.0MB in the end (delta: 65.0MB). Free memory was 73.2MB in the beginning and 151.1MB in the end (delta: -77.9MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2023-11-23 21:28:12,483 INFO L158 Benchmark]: Boogie Preprocessor took 369.47ms. Allocated memory is still 237.0MB. Free memory was 151.1MB in the beginning and 132.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 21:28:12,484 INFO L158 Benchmark]: RCFGBuilder took 9236.96ms. Allocated memory was 237.0MB in the beginning and 463.5MB in the end (delta: 226.5MB). Free memory was 132.2MB in the beginning and 267.1MB in the end (delta: -134.9MB). Peak memory consumption was 235.3MB. Max. memory is 16.1GB. [2023-11-23 21:28:12,485 INFO L158 Benchmark]: TraceAbstraction took 3364.10ms. Allocated memory is still 463.5MB. Free memory was 267.1MB in the beginning and 165.4MB in the end (delta: 101.7MB). Peak memory consumption was 159.4MB. Max. memory is 16.1GB. [2023-11-23 21:28:12,486 INFO L158 Benchmark]: Witness Printer took 5.46ms. Allocated memory is still 463.5MB. Free memory is still 165.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:28:12,490 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.83ms. Allocated memory is still 172.0MB. Free memory is still 141.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1117.43ms. Allocated memory is still 172.0MB. Free memory was 122.0MB in the beginning and 73.2MB in the end (delta: 48.8MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 498.12ms. Allocated memory was 172.0MB in the beginning and 237.0MB in the end (delta: 65.0MB). Free memory was 73.2MB in the beginning and 151.1MB in the end (delta: -77.9MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 369.47ms. Allocated memory is still 237.0MB. Free memory was 151.1MB in the beginning and 132.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * RCFGBuilder took 9236.96ms. Allocated memory was 237.0MB in the beginning and 463.5MB in the end (delta: 226.5MB). Free memory was 132.2MB in the beginning and 267.1MB in the end (delta: -134.9MB). Peak memory consumption was 235.3MB. Max. memory is 16.1GB. * TraceAbstraction took 3364.10ms. Allocated memory is still 463.5MB. Free memory was 267.1MB in the beginning and 165.4MB in the end (delta: 101.7MB). Peak memory consumption was 159.4MB. Max. memory is 16.1GB. * Witness Printer took 5.46ms. Allocated memory is still 463.5MB. Free memory is still 165.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 165. 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_21 mask_SORT_21 = (SORT_21)-1 >> (sizeof(SORT_21) * 8 - 32); [L36] const SORT_21 msb_SORT_21 = (SORT_21)1 << (32 - 1); [L38] const SORT_88 mask_SORT_88 = (SORT_88)-1 >> (sizeof(SORT_88) * 8 - 3); [L39] const SORT_88 msb_SORT_88 = (SORT_88)1 << (3 - 1); [L41] const SORT_115 mask_SORT_115 = (SORT_115)-1 >> (sizeof(SORT_115) * 8 - 2); [L42] const SORT_115 msb_SORT_115 = (SORT_115)1 << (2 - 1); [L44] const SORT_222 mask_SORT_222 = (SORT_222)-1 >> (sizeof(SORT_222) * 8 - 4); [L45] const SORT_222 msb_SORT_222 = (SORT_222)1 << (4 - 1); [L47] const SORT_3 var_7 = 0; [L48] const SORT_1 var_12 = 1; [L49] const SORT_1 var_19 = 0; [L50] const SORT_21 var_23 = 12; [L51] const SORT_21 var_29 = 15; [L52] const SORT_21 var_36 = 8; [L53] const SORT_21 var_42 = 11; [L54] const SORT_21 var_50 = 4; [L55] const SORT_21 var_56 = 7; [L56] const SORT_5 var_83 = 0; [L57] const SORT_88 var_89 = 0; [L58] const SORT_88 var_93 = 2; [L59] const SORT_88 var_97 = 1; [L60] const SORT_88 var_102 = 4; [L61] const SORT_88 var_104 = 5; [L62] const SORT_88 var_108 = 3; [L63] const SORT_21 var_118 = 0; [L64] const SORT_3 var_125 = 31; [L65] const SORT_88 var_313 = 7; [L66] const SORT_88 var_318 = 6; [L67] const SORT_3 var_378 = 2; [L69] SORT_1 input_2; [L70] SORT_3 input_4; [L71] SORT_5 input_6; [L72] SORT_3 input_112; [L73] SORT_3 input_113; [L74] SORT_3 input_114; [L75] SORT_3 input_124; [L76] SORT_3 input_134; [L77] SORT_3 input_135; [L78] SORT_3 input_136; [L79] SORT_3 input_139; [L80] SORT_3 input_158; [L81] SORT_3 input_159; [L82] SORT_3 input_160; [L83] SORT_3 input_163; [L84] SORT_3 input_165; [L85] SORT_115 input_179; [L86] SORT_115 input_180; [L87] SORT_115 input_181; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L89] SORT_3 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L90] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L90] SORT_3 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L91] SORT_3 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L92] SORT_3 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L93] SORT_3 state_60 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L94] SORT_3 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L95] SORT_3 state_68 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L96] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L96] SORT_3 state_77 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L97] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L97] SORT_3 state_79 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L98] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L98] SORT_1 state_81 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L99] EXPR __VERIFIER_nondet_ushort() & mask_SORT_5 [L99] SORT_5 state_84 = __VERIFIER_nondet_ushort() & mask_SORT_5; [L100] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L100] SORT_3 state_86 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L101] EXPR __VERIFIER_nondet_uchar() & mask_SORT_88 [L101] SORT_88 state_90 = __VERIFIER_nondet_uchar() & mask_SORT_88; [L103] SORT_3 init_9_arg_1 = var_7; [L104] state_8 = init_9_arg_1 [L105] SORT_3 init_11_arg_1 = var_7; [L106] state_10 = init_11_arg_1 [L107] SORT_3 init_15_arg_1 = var_7; [L108] state_14 = init_15_arg_1 [L109] SORT_3 init_17_arg_1 = var_7; [L110] state_16 = init_17_arg_1 [L111] SORT_3 init_61_arg_1 = var_7; [L112] state_60 = init_61_arg_1 [L113] SORT_3 init_65_arg_1 = var_7; [L114] state_64 = init_65_arg_1 [L115] SORT_3 init_69_arg_1 = var_7; [L116] state_68 = init_69_arg_1 [L117] SORT_3 init_78_arg_1 = var_7; [L118] state_77 = init_78_arg_1 [L119] SORT_3 init_80_arg_1 = var_7; [L120] state_79 = init_80_arg_1 [L121] SORT_1 init_82_arg_1 = var_19; [L122] state_81 = init_82_arg_1 [L123] SORT_5 init_85_arg_1 = var_83; [L124] state_84 = init_85_arg_1 [L125] SORT_3 init_87_arg_1 = var_7; [L126] state_86 = init_87_arg_1 [L127] SORT_88 init_91_arg_1 = var_89; [L128] state_90 = init_91_arg_1 VAL [init_11_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_61_arg_1=0, init_65_arg_1=0, init_69_arg_1=0, init_78_arg_1=0, init_80_arg_1=0, init_82_arg_1=0, init_85_arg_1=0, init_87_arg_1=0, init_91_arg_1=0, init_9_arg_1=0, mask_SORT_115=3, mask_SORT_1=1, mask_SORT_21=4294967295, mask_SORT_222=15, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_88=7, msb_SORT_115=2, msb_SORT_1=1, msb_SORT_21=2147483648, msb_SORT_222=8, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_88=4, state_10=0, state_14=0, state_16=0, state_60=0, state_64=0, state_68=0, state_77=0, state_79=0, state_81=0, state_84=0, state_86=0, state_8=0, state_90=0, var_102=4, var_104=5, var_108=3, var_118=0, var_125=31, var_12=1, var_19=0, var_23=12, var_29=15, var_313=7, var_318=6, var_36=8, var_378=2, var_42=11, var_50=4, var_56=7, var_7=0, var_83=0, var_89=0, var_93=2, var_97=1] [L131] input_2 = __VERIFIER_nondet_uchar() [L132] input_4 = __VERIFIER_nondet_uchar() [L133] input_6 = __VERIFIER_nondet_ushort() [L134] input_112 = __VERIFIER_nondet_uchar() [L135] input_113 = __VERIFIER_nondet_uchar() [L136] input_114 = __VERIFIER_nondet_uchar() [L137] input_124 = __VERIFIER_nondet_uchar() [L138] input_134 = __VERIFIER_nondet_uchar() [L139] input_135 = __VERIFIER_nondet_uchar() [L140] input_136 = __VERIFIER_nondet_uchar() [L141] input_139 = __VERIFIER_nondet_uchar() [L142] input_158 = __VERIFIER_nondet_uchar() [L143] input_159 = __VERIFIER_nondet_uchar() [L144] input_160 = __VERIFIER_nondet_uchar() [L145] input_163 = __VERIFIER_nondet_uchar() [L146] input_165 = __VERIFIER_nondet_uchar() [L147] input_179 = __VERIFIER_nondet_uchar() [L148] input_180 = __VERIFIER_nondet_uchar() [L149] input_181 = __VERIFIER_nondet_uchar() [L152] SORT_1 var_18_arg_0 = var_12; [L153] SORT_3 var_18_arg_1 = state_16; [L154] SORT_3 var_18_arg_2 = state_14; [L155] SORT_3 var_18 = var_18_arg_0 ? var_18_arg_1 : var_18_arg_2; [L156] SORT_1 var_13_arg_0 = var_12; [L157] SORT_3 var_13_arg_1 = state_10; [L158] SORT_3 var_13_arg_2 = state_8; [L159] SORT_3 var_13 = var_13_arg_0 ? var_13_arg_1 : var_13_arg_2; [L160] SORT_1 var_20_arg_0 = var_19; [L161] SORT_3 var_20_arg_1 = var_18; [L162] SORT_3 var_20_arg_2 = var_13; [L163] SORT_3 var_20 = var_20_arg_0 ? var_20_arg_1 : var_20_arg_2; [L164] SORT_3 var_22_arg_0 = var_20; [L165] EXPR var_22_arg_0 & mask_SORT_3 [L165] var_22_arg_0 = var_22_arg_0 & mask_SORT_3 [L166] SORT_21 var_22 = var_22_arg_0; [L167] SORT_21 var_24_arg_0 = var_22; [L168] SORT_21 var_24_arg_1 = var_23; [L169] SORT_1 var_24 = var_24_arg_0 >= var_24_arg_1; [L170] SORT_1 var_26_arg_0 = var_12; [L171] SORT_3 var_26_arg_1 = state_16; [L172] SORT_3 var_26_arg_2 = state_14; [L173] SORT_3 var_26 = var_26_arg_0 ? var_26_arg_1 : var_26_arg_2; [L174] SORT_1 var_25_arg_0 = var_12; [L175] SORT_3 var_25_arg_1 = state_10; [L176] SORT_3 var_25_arg_2 = state_8; [L177] SORT_3 var_25 = var_25_arg_0 ? var_25_arg_1 : var_25_arg_2; [L178] SORT_1 var_27_arg_0 = var_19; [L179] SORT_3 var_27_arg_1 = var_26; [L180] SORT_3 var_27_arg_2 = var_25; [L181] SORT_3 var_27 = var_27_arg_0 ? var_27_arg_1 : var_27_arg_2; [L182] SORT_3 var_28_arg_0 = var_27; [L183] EXPR var_28_arg_0 & mask_SORT_3 [L183] var_28_arg_0 = var_28_arg_0 & mask_SORT_3 [L184] SORT_21 var_28 = var_28_arg_0; [L185] SORT_21 var_30_arg_0 = var_28; [L186] SORT_21 var_30_arg_1 = var_29; [L187] SORT_1 var_30 = var_30_arg_0 <= var_30_arg_1; [L188] SORT_1 var_31_arg_0 = var_24; [L189] SORT_1 var_31_arg_1 = var_30; [L190] EXPR var_31_arg_0 & var_31_arg_1 [L190] SORT_1 var_31 = var_31_arg_0 & var_31_arg_1; [L191] SORT_1 var_33_arg_0 = var_19; [L192] SORT_3 var_33_arg_1 = state_16; [L193] SORT_3 var_33_arg_2 = state_14; [L194] SORT_3 var_33 = var_33_arg_0 ? var_33_arg_1 : var_33_arg_2; [L195] SORT_1 var_32_arg_0 = var_19; [L196] SORT_3 var_32_arg_1 = state_10; [L197] SORT_3 var_32_arg_2 = state_8; [L198] SORT_3 var_32 = var_32_arg_0 ? var_32_arg_1 : var_32_arg_2; [L199] SORT_1 var_34_arg_0 = var_12; [L200] SORT_3 var_34_arg_1 = var_33; [L201] SORT_3 var_34_arg_2 = var_32; [L202] SORT_3 var_34 = var_34_arg_0 ? var_34_arg_1 : var_34_arg_2; [L203] SORT_3 var_35_arg_0 = var_34; [L204] EXPR var_35_arg_0 & mask_SORT_3 [L204] var_35_arg_0 = var_35_arg_0 & mask_SORT_3 [L205] SORT_21 var_35 = var_35_arg_0; [L206] SORT_21 var_37_arg_0 = var_35; [L207] SORT_21 var_37_arg_1 = var_36; [L208] SORT_1 var_37 = var_37_arg_0 >= var_37_arg_1; [L209] SORT_1 var_39_arg_0 = var_19; [L210] SORT_3 var_39_arg_1 = state_16; [L211] SORT_3 var_39_arg_2 = state_14; [L212] SORT_3 var_39 = var_39_arg_0 ? var_39_arg_1 : var_39_arg_2; [L213] SORT_1 var_38_arg_0 = var_19; [L214] SORT_3 var_38_arg_1 = state_10; [L215] SORT_3 var_38_arg_2 = state_8; [L216] SORT_3 var_38 = var_38_arg_0 ? var_38_arg_1 : var_38_arg_2; [L217] SORT_1 var_40_arg_0 = var_12; [L218] SORT_3 var_40_arg_1 = var_39; [L219] SORT_3 var_40_arg_2 = var_38; [L220] SORT_3 var_40 = var_40_arg_0 ? var_40_arg_1 : var_40_arg_2; [L221] SORT_3 var_41_arg_0 = var_40; [L222] EXPR var_41_arg_0 & mask_SORT_3 [L222] var_41_arg_0 = var_41_arg_0 & mask_SORT_3 [L223] SORT_21 var_41 = var_41_arg_0; [L224] SORT_21 var_43_arg_0 = var_41; [L225] SORT_21 var_43_arg_1 = var_42; [L226] SORT_1 var_43 = var_43_arg_0 <= var_43_arg_1; [L227] SORT_1 var_44_arg_0 = var_37; [L228] SORT_1 var_44_arg_1 = var_43; [L229] EXPR var_44_arg_0 & var_44_arg_1 [L229] SORT_1 var_44 = var_44_arg_0 & var_44_arg_1; [L230] SORT_1 var_45_arg_0 = var_31; [L231] SORT_1 var_45_arg_1 = var_44; [L232] EXPR var_45_arg_0 & var_45_arg_1 [L232] SORT_1 var_45 = var_45_arg_0 & var_45_arg_1; [L233] SORT_1 var_47_arg_0 = var_12; [L234] SORT_3 var_47_arg_1 = state_16; [L235] SORT_3 var_47_arg_2 = state_14; [L236] SORT_3 var_47 = var_47_arg_0 ? var_47_arg_1 : var_47_arg_2; [L237] SORT_1 var_46_arg_0 = var_12; [L238] SORT_3 var_46_arg_1 = state_10; [L239] SORT_3 var_46_arg_2 = state_8; [L240] SORT_3 var_46 = var_46_arg_0 ? var_46_arg_1 : var_46_arg_2; [L241] SORT_1 var_48_arg_0 = var_12; [L242] SORT_3 var_48_arg_1 = var_47; [L243] SORT_3 var_48_arg_2 = var_46; [L244] SORT_3 var_48 = var_48_arg_0 ? var_48_arg_1 : var_48_arg_2; [L245] SORT_3 var_49_arg_0 = var_48; [L246] EXPR var_49_arg_0 & mask_SORT_3 [L246] var_49_arg_0 = var_49_arg_0 & mask_SORT_3 [L247] SORT_21 var_49 = var_49_arg_0; [L248] SORT_21 var_51_arg_0 = var_49; [L249] SORT_21 var_51_arg_1 = var_50; [L250] SORT_1 var_51 = var_51_arg_0 >= var_51_arg_1; [L251] SORT_1 var_53_arg_0 = var_12; [L252] SORT_3 var_53_arg_1 = state_16; [L253] SORT_3 var_53_arg_2 = state_14; [L254] SORT_3 var_53 = var_53_arg_0 ? var_53_arg_1 : var_53_arg_2; [L255] SORT_1 var_52_arg_0 = var_12; [L256] SORT_3 var_52_arg_1 = state_10; [L257] SORT_3 var_52_arg_2 = state_8; [L258] SORT_3 var_52 = var_52_arg_0 ? var_52_arg_1 : var_52_arg_2; [L259] SORT_1 var_54_arg_0 = var_12; [L260] SORT_3 var_54_arg_1 = var_53; [L261] SORT_3 var_54_arg_2 = var_52; [L262] SORT_3 var_54 = var_54_arg_0 ? var_54_arg_1 : var_54_arg_2; [L263] SORT_3 var_55_arg_0 = var_54; [L264] EXPR var_55_arg_0 & mask_SORT_3 [L264] var_55_arg_0 = var_55_arg_0 & mask_SORT_3 [L265] SORT_21 var_55 = var_55_arg_0; [L266] SORT_21 var_57_arg_0 = var_55; [L267] SORT_21 var_57_arg_1 = var_56; [L268] SORT_1 var_57 = var_57_arg_0 <= var_57_arg_1; [L269] SORT_1 var_58_arg_0 = var_51; [L270] SORT_1 var_58_arg_1 = var_57; [L271] EXPR var_58_arg_0 & var_58_arg_1 [L271] SORT_1 var_58 = var_58_arg_0 & var_58_arg_1; [L272] SORT_1 var_59_arg_0 = var_45; [L273] SORT_1 var_59_arg_1 = var_58; [L274] EXPR var_59_arg_0 & var_59_arg_1 [L274] SORT_1 var_59 = var_59_arg_0 & var_59_arg_1; [L275] SORT_3 var_62_arg_0 = state_60; [L276] SORT_3 var_62_arg_1 = var_7; [L277] SORT_1 var_62 = var_62_arg_0 == var_62_arg_1; [L278] SORT_1 var_63_arg_0 = var_59; [L279] SORT_1 var_63_arg_1 = var_62; [L280] EXPR var_63_arg_0 & var_63_arg_1 [L280] SORT_1 var_63 = var_63_arg_0 & var_63_arg_1; [L281] SORT_3 var_66_arg_0 = state_64; [L282] SORT_3 var_66_arg_1 = var_7; [L283] SORT_1 var_66 = var_66_arg_0 == var_66_arg_1; [L284] SORT_1 var_67_arg_0 = var_63; [L285] SORT_1 var_67_arg_1 = var_66; [L286] EXPR var_67_arg_0 & var_67_arg_1 [L286] SORT_1 var_67 = var_67_arg_0 & var_67_arg_1; [L287] SORT_3 var_70_arg_0 = state_68; [L288] SORT_3 var_70_arg_1 = var_7; [L289] SORT_1 var_70 = var_70_arg_0 == var_70_arg_1; [L290] SORT_1 var_71_arg_0 = var_67; [L291] SORT_1 var_71_arg_1 = var_70; [L292] EXPR var_71_arg_0 & var_71_arg_1 [L292] SORT_1 var_71 = var_71_arg_0 & var_71_arg_1; [L293] SORT_1 var_74_arg_0 = var_71; [L294] SORT_1 var_74 = ~var_74_arg_0; [L295] SORT_1 var_75_arg_0 = var_12; [L296] SORT_1 var_75_arg_1 = var_74; [L297] EXPR var_75_arg_0 & var_75_arg_1 [L297] SORT_1 var_75 = var_75_arg_0 & var_75_arg_1; [L298] EXPR var_75 & mask_SORT_1 [L298] var_75 = var_75 & mask_SORT_1 [L299] SORT_1 bad_76_arg_0 = var_75; [L300] CALL __VERIFIER_assert(!(bad_76_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, 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, 1.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 21:28:12,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f05967-cfc5-4d8e-896f-88ff786395b3/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f05967-cfc5-4d8e-896f-88ff786395b3/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f05967-cfc5-4d8e-896f-88ff786395b3/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f05967-cfc5-4d8e-896f-88ff786395b3/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f05967-cfc5-4d8e-896f-88ff786395b3/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p01.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f05967-cfc5-4d8e-896f-88ff786395b3/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f05967-cfc5-4d8e-896f-88ff786395b3/bin/utaipan-verify-mE87zJ7Ire --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 879e24419bd498e1e21caa9587c0e4309307886fe7a917d7b60b20729c232f2d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:28:15,395 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:28:15,522 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f05967-cfc5-4d8e-896f-88ff786395b3/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2023-11-23 21:28:15,531 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:28:15,532 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:28:15,579 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:28:15,580 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:28:15,580 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:28:15,581 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:28:15,586 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:28:15,587 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:28:15,587 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:28:15,588 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:28:15,589 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:28:15,590 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:28:15,590 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:28:15,591 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:28:15,592 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:28:15,592 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:28:15,593 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:28:15,594 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:28:15,594 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:28:15,594 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:28:15,595 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:28:15,595 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:28:15,596 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:28:15,596 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:28:15,596 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:28:15,597 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:28:15,597 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:28:15,599 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:28:15,599 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:28:15,599 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:28:15,600 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:28:15,600 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:28:15,600 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:28:15,600 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:28:15,600 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:28:15,601 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:28:15,602 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:28:15,602 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:28:15,602 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f05967-cfc5-4d8e-896f-88ff786395b3/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f05967-cfc5-4d8e-896f-88ff786395b3/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 879e24419bd498e1e21caa9587c0e4309307886fe7a917d7b60b20729c232f2d [2023-11-23 21:28:15,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:28:15,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:28:15,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:28:15,972 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:28:15,972 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:28:15,974 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f05967-cfc5-4d8e-896f-88ff786395b3/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p01.c [2023-11-23 21:28:18,989 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:28:19,333 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:28:19,334 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f05967-cfc5-4d8e-896f-88ff786395b3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p01.c [2023-11-23 21:28:19,350 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f05967-cfc5-4d8e-896f-88ff786395b3/bin/utaipan-verify-mE87zJ7Ire/data/6f9ac8536/7d432808faf54b4ea8e147c2d06cddec/FLAG937f70ba2 [2023-11-23 21:28:19,365 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f05967-cfc5-4d8e-896f-88ff786395b3/bin/utaipan-verify-mE87zJ7Ire/data/6f9ac8536/7d432808faf54b4ea8e147c2d06cddec [2023-11-23 21:28:19,367 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:28:19,369 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:28:19,371 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:28:19,371 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:28:19,375 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:28:19,376 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:28:19" (1/1) ... [2023-11-23 21:28:19,377 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dec2268 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:19, skipping insertion in model container [2023-11-23 21:28:19,378 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:28:19" (1/1) ... [2023-11-23 21:28:19,470 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:28:19,665 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f05967-cfc5-4d8e-896f-88ff786395b3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p01.c[1259,1272] [2023-11-23 21:28:20,070 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:28:20,096 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:28:20,109 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f05967-cfc5-4d8e-896f-88ff786395b3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p01.c[1259,1272] [2023-11-23 21:28:20,239 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:28:20,259 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:28:20,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:20 WrapperNode [2023-11-23 21:28:20,259 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:28:20,260 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:28:20,261 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:28:20,261 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:28:20,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:20" (1/1) ... [2023-11-23 21:28:20,324 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:20" (1/1) ... [2023-11-23 21:28:20,456 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1209 [2023-11-23 21:28:20,457 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:28:20,458 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:28:20,458 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:28:20,458 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:28:20,471 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:20" (1/1) ... [2023-11-23 21:28:20,472 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:20" (1/1) ... [2023-11-23 21:28:20,488 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:20" (1/1) ... [2023-11-23 21:28:20,488 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:20" (1/1) ... [2023-11-23 21:28:20,569 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:20" (1/1) ... [2023-11-23 21:28:20,580 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:20" (1/1) ... [2023-11-23 21:28:20,588 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:20" (1/1) ... [2023-11-23 21:28:20,596 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:20" (1/1) ... [2023-11-23 21:28:20,612 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:28:20,613 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:28:20,614 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:28:20,614 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:28:20,615 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:20" (1/1) ... [2023-11-23 21:28:20,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:28:20,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f05967-cfc5-4d8e-896f-88ff786395b3/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:28:20,658 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f05967-cfc5-4d8e-896f-88ff786395b3/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:28:20,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f05967-cfc5-4d8e-896f-88ff786395b3/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:28:20,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:28:20,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:28:20,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:28:20,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:28:20,996 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:28:20,998 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:28:22,581 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:28:22,676 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:28:22,676 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:28:22,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:28:22 BoogieIcfgContainer [2023-11-23 21:28:22,677 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:28:22,679 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:28:22,679 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:28:22,682 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:28:22,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:28:19" (1/3) ... [2023-11-23 21:28:22,683 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@600e664 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:28:22, skipping insertion in model container [2023-11-23 21:28:22,684 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:20" (2/3) ... [2023-11-23 21:28:22,684 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@600e664 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:28:22, skipping insertion in model container [2023-11-23 21:28:22,684 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:28:22" (3/3) ... [2023-11-23 21:28:22,685 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsaR_p01.c [2023-11-23 21:28:22,704 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:28:22,704 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:28:22,749 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:28:22,755 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@51c27214, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:28:22,756 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:28:22,759 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:28:22,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 21:28:22,765 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:28:22,766 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-23 21:28:22,766 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:28:22,771 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:28:22,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-11-23 21:28:22,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:28:22,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [960714733] [2023-11-23 21:28:22,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:28:22,786 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:28:22,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f05967-cfc5-4d8e-896f-88ff786395b3/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:28:22,792 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f05967-cfc5-4d8e-896f-88ff786395b3/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:28:22,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f05967-cfc5-4d8e-896f-88ff786395b3/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-23 21:28:23,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:28:23,194 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:28:23,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:28:23,710 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2023-11-23 21:28:23,712 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:28:23,713 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:28:23,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f05967-cfc5-4d8e-896f-88ff786395b3/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:28:23,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f05967-cfc5-4d8e-896f-88ff786395b3/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:28:23,924 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:28:23,928 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:28:23,960 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-23 21:28:23,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:28:23 BoogieIcfgContainer [2023-11-23 21:28:23,987 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:28:23,990 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:28:23,991 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:28:23,991 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:28:23,991 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:28:22" (3/4) ... [2023-11-23 21:28:23,992 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-23 21:28:24,014 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-23 21:28:24,125 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f05967-cfc5-4d8e-896f-88ff786395b3/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 21:28:24,125 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:28:24,126 INFO L158 Benchmark]: Toolchain (without parser) took 4757.32ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 64.9MB in the beginning and 50.8MB in the end (delta: 14.1MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2023-11-23 21:28:24,126 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 62.9MB. Free memory was 39.2MB in the beginning and 39.1MB in the end (delta: 41.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:28:24,127 INFO L158 Benchmark]: CACSL2BoogieTranslator took 889.20ms. Allocated memory is still 90.2MB. Free memory was 64.7MB in the beginning and 46.3MB in the end (delta: 18.4MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2023-11-23 21:28:24,127 INFO L158 Benchmark]: Boogie Procedure Inliner took 196.62ms. Allocated memory is still 90.2MB. Free memory was 46.3MB in the beginning and 36.5MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 21:28:24,128 INFO L158 Benchmark]: Boogie Preprocessor took 155.00ms. Allocated memory is still 90.2MB. Free memory was 36.5MB in the beginning and 60.6MB in the end (delta: -24.1MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2023-11-23 21:28:24,128 INFO L158 Benchmark]: RCFGBuilder took 2063.54ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 60.6MB in the beginning and 74.6MB in the end (delta: -14.0MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. [2023-11-23 21:28:24,128 INFO L158 Benchmark]: TraceAbstraction took 1308.02ms. Allocated memory is still 115.3MB. Free memory was 73.8MB in the beginning and 57.1MB in the end (delta: 16.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-23 21:28:24,129 INFO L158 Benchmark]: Witness Printer took 134.80ms. Allocated memory is still 115.3MB. Free memory was 57.1MB in the beginning and 50.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 21:28:24,131 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 62.9MB. Free memory was 39.2MB in the beginning and 39.1MB in the end (delta: 41.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 889.20ms. Allocated memory is still 90.2MB. Free memory was 64.7MB in the beginning and 46.3MB in the end (delta: 18.4MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 196.62ms. Allocated memory is still 90.2MB. Free memory was 46.3MB in the beginning and 36.5MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 155.00ms. Allocated memory is still 90.2MB. Free memory was 36.5MB in the beginning and 60.6MB in the end (delta: -24.1MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * RCFGBuilder took 2063.54ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 60.6MB in the beginning and 74.6MB in the end (delta: -14.0MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1308.02ms. Allocated memory is still 115.3MB. Free memory was 73.8MB in the beginning and 57.1MB in the end (delta: 16.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 134.80ms. Allocated memory is still 115.3MB. Free memory was 57.1MB in the beginning and 50.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 21]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 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_21 mask_SORT_21 = (SORT_21)-1 >> (sizeof(SORT_21) * 8 - 32); [L36] const SORT_21 msb_SORT_21 = (SORT_21)1 << (32 - 1); [L38] const SORT_88 mask_SORT_88 = (SORT_88)-1 >> (sizeof(SORT_88) * 8 - 3); [L39] const SORT_88 msb_SORT_88 = (SORT_88)1 << (3 - 1); [L41] const SORT_115 mask_SORT_115 = (SORT_115)-1 >> (sizeof(SORT_115) * 8 - 2); [L42] const SORT_115 msb_SORT_115 = (SORT_115)1 << (2 - 1); [L44] const SORT_222 mask_SORT_222 = (SORT_222)-1 >> (sizeof(SORT_222) * 8 - 4); [L45] const SORT_222 msb_SORT_222 = (SORT_222)1 << (4 - 1); [L47] const SORT_3 var_7 = 0; [L48] const SORT_1 var_12 = 1; [L49] const SORT_1 var_19 = 0; [L50] const SORT_21 var_23 = 12; [L51] const SORT_21 var_29 = 15; [L52] const SORT_21 var_36 = 8; [L53] const SORT_21 var_42 = 11; [L54] const SORT_21 var_50 = 4; [L55] const SORT_21 var_56 = 7; [L56] const SORT_5 var_83 = 0; [L57] const SORT_88 var_89 = 0; [L58] const SORT_88 var_93 = 2; [L59] const SORT_88 var_97 = 1; [L60] const SORT_88 var_102 = 4; [L61] const SORT_88 var_104 = 5; [L62] const SORT_88 var_108 = 3; [L63] const SORT_21 var_118 = 0; [L64] const SORT_3 var_125 = 31; [L65] const SORT_88 var_313 = 7; [L66] const SORT_88 var_318 = 6; [L67] const SORT_3 var_378 = 2; [L69] SORT_1 input_2; [L70] SORT_3 input_4; [L71] SORT_5 input_6; [L72] SORT_3 input_112; [L73] SORT_3 input_113; [L74] SORT_3 input_114; [L75] SORT_3 input_124; [L76] SORT_3 input_134; [L77] SORT_3 input_135; [L78] SORT_3 input_136; [L79] SORT_3 input_139; [L80] SORT_3 input_158; [L81] SORT_3 input_159; [L82] SORT_3 input_160; [L83] SORT_3 input_163; [L84] SORT_3 input_165; [L85] SORT_115 input_179; [L86] SORT_115 input_180; [L87] SORT_115 input_181; [L89] SORT_3 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L90] SORT_3 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L91] SORT_3 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L92] SORT_3 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L93] SORT_3 state_60 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L94] SORT_3 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L95] SORT_3 state_68 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L96] SORT_3 state_77 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L97] SORT_3 state_79 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L98] SORT_1 state_81 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L99] SORT_5 state_84 = __VERIFIER_nondet_ushort() & mask_SORT_5; [L100] SORT_3 state_86 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L101] SORT_88 state_90 = __VERIFIER_nondet_uchar() & mask_SORT_88; [L103] SORT_3 init_9_arg_1 = var_7; [L104] state_8 = init_9_arg_1 [L105] SORT_3 init_11_arg_1 = var_7; [L106] state_10 = init_11_arg_1 [L107] SORT_3 init_15_arg_1 = var_7; [L108] state_14 = init_15_arg_1 [L109] SORT_3 init_17_arg_1 = var_7; [L110] state_16 = init_17_arg_1 [L111] SORT_3 init_61_arg_1 = var_7; [L112] state_60 = init_61_arg_1 [L113] SORT_3 init_65_arg_1 = var_7; [L114] state_64 = init_65_arg_1 [L115] SORT_3 init_69_arg_1 = var_7; [L116] state_68 = init_69_arg_1 [L117] SORT_3 init_78_arg_1 = var_7; [L118] state_77 = init_78_arg_1 [L119] SORT_3 init_80_arg_1 = var_7; [L120] state_79 = init_80_arg_1 [L121] SORT_1 init_82_arg_1 = var_19; [L122] state_81 = init_82_arg_1 [L123] SORT_5 init_85_arg_1 = var_83; [L124] state_84 = init_85_arg_1 [L125] SORT_3 init_87_arg_1 = var_7; [L126] state_86 = init_87_arg_1 [L127] SORT_88 init_91_arg_1 = var_89; [L128] state_90 = init_91_arg_1 VAL [init_11_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_61_arg_1=0, init_65_arg_1=0, init_69_arg_1=0, init_78_arg_1=0, init_80_arg_1=0, init_82_arg_1=0, init_85_arg_1=0, init_87_arg_1=0, init_91_arg_1=0, init_9_arg_1=0, mask_SORT_115=3, mask_SORT_1=1, mask_SORT_21=4294967295, mask_SORT_222=15, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_88=7, msb_SORT_115=2, msb_SORT_1=1, msb_SORT_21=2147483648, msb_SORT_222=8, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_88=4, state_10=0, state_14=0, state_16=0, state_60=0, state_64=0, state_68=0, state_77=0, state_79=0, state_81=0, state_84=0, state_86=0, state_8=0, state_90=0, var_102=4, var_104=5, var_108=3, var_118=0, var_125=31, var_12=1, var_19=0, var_23=12, var_29=15, var_313=7, var_318=6, var_36=8, var_378=2, var_42=11, var_50=4, var_56=7, var_7=0, var_83=0, var_89=0, var_93=2, var_97=1] [L131] input_2 = __VERIFIER_nondet_uchar() [L132] input_4 = __VERIFIER_nondet_uchar() [L133] input_6 = __VERIFIER_nondet_ushort() [L134] input_112 = __VERIFIER_nondet_uchar() [L135] input_113 = __VERIFIER_nondet_uchar() [L136] input_114 = __VERIFIER_nondet_uchar() [L137] input_124 = __VERIFIER_nondet_uchar() [L138] input_134 = __VERIFIER_nondet_uchar() [L139] input_135 = __VERIFIER_nondet_uchar() [L140] input_136 = __VERIFIER_nondet_uchar() [L141] input_139 = __VERIFIER_nondet_uchar() [L142] input_158 = __VERIFIER_nondet_uchar() [L143] input_159 = __VERIFIER_nondet_uchar() [L144] input_160 = __VERIFIER_nondet_uchar() [L145] input_163 = __VERIFIER_nondet_uchar() [L146] input_165 = __VERIFIER_nondet_uchar() [L147] input_179 = __VERIFIER_nondet_uchar() [L148] input_180 = __VERIFIER_nondet_uchar() [L149] input_181 = __VERIFIER_nondet_uchar() [L152] SORT_1 var_18_arg_0 = var_12; [L153] SORT_3 var_18_arg_1 = state_16; [L154] SORT_3 var_18_arg_2 = state_14; [L155] SORT_3 var_18 = var_18_arg_0 ? var_18_arg_1 : var_18_arg_2; [L156] SORT_1 var_13_arg_0 = var_12; [L157] SORT_3 var_13_arg_1 = state_10; [L158] SORT_3 var_13_arg_2 = state_8; [L159] SORT_3 var_13 = var_13_arg_0 ? var_13_arg_1 : var_13_arg_2; [L160] SORT_1 var_20_arg_0 = var_19; [L161] SORT_3 var_20_arg_1 = var_18; [L162] SORT_3 var_20_arg_2 = var_13; [L163] SORT_3 var_20 = var_20_arg_0 ? var_20_arg_1 : var_20_arg_2; [L164] SORT_3 var_22_arg_0 = var_20; [L165] var_22_arg_0 = var_22_arg_0 & mask_SORT_3 [L166] SORT_21 var_22 = var_22_arg_0; [L167] SORT_21 var_24_arg_0 = var_22; [L168] SORT_21 var_24_arg_1 = var_23; [L169] SORT_1 var_24 = var_24_arg_0 >= var_24_arg_1; [L170] SORT_1 var_26_arg_0 = var_12; [L171] SORT_3 var_26_arg_1 = state_16; [L172] SORT_3 var_26_arg_2 = state_14; [L173] SORT_3 var_26 = var_26_arg_0 ? var_26_arg_1 : var_26_arg_2; [L174] SORT_1 var_25_arg_0 = var_12; [L175] SORT_3 var_25_arg_1 = state_10; [L176] SORT_3 var_25_arg_2 = state_8; [L177] SORT_3 var_25 = var_25_arg_0 ? var_25_arg_1 : var_25_arg_2; [L178] SORT_1 var_27_arg_0 = var_19; [L179] SORT_3 var_27_arg_1 = var_26; [L180] SORT_3 var_27_arg_2 = var_25; [L181] SORT_3 var_27 = var_27_arg_0 ? var_27_arg_1 : var_27_arg_2; [L182] SORT_3 var_28_arg_0 = var_27; [L183] var_28_arg_0 = var_28_arg_0 & mask_SORT_3 [L184] SORT_21 var_28 = var_28_arg_0; [L185] SORT_21 var_30_arg_0 = var_28; [L186] SORT_21 var_30_arg_1 = var_29; [L187] SORT_1 var_30 = var_30_arg_0 <= var_30_arg_1; [L188] SORT_1 var_31_arg_0 = var_24; [L189] SORT_1 var_31_arg_1 = var_30; [L190] SORT_1 var_31 = var_31_arg_0 & var_31_arg_1; [L191] SORT_1 var_33_arg_0 = var_19; [L192] SORT_3 var_33_arg_1 = state_16; [L193] SORT_3 var_33_arg_2 = state_14; [L194] SORT_3 var_33 = var_33_arg_0 ? var_33_arg_1 : var_33_arg_2; [L195] SORT_1 var_32_arg_0 = var_19; [L196] SORT_3 var_32_arg_1 = state_10; [L197] SORT_3 var_32_arg_2 = state_8; [L198] SORT_3 var_32 = var_32_arg_0 ? var_32_arg_1 : var_32_arg_2; [L199] SORT_1 var_34_arg_0 = var_12; [L200] SORT_3 var_34_arg_1 = var_33; [L201] SORT_3 var_34_arg_2 = var_32; [L202] SORT_3 var_34 = var_34_arg_0 ? var_34_arg_1 : var_34_arg_2; [L203] SORT_3 var_35_arg_0 = var_34; [L204] var_35_arg_0 = var_35_arg_0 & mask_SORT_3 [L205] SORT_21 var_35 = var_35_arg_0; [L206] SORT_21 var_37_arg_0 = var_35; [L207] SORT_21 var_37_arg_1 = var_36; [L208] SORT_1 var_37 = var_37_arg_0 >= var_37_arg_1; [L209] SORT_1 var_39_arg_0 = var_19; [L210] SORT_3 var_39_arg_1 = state_16; [L211] SORT_3 var_39_arg_2 = state_14; [L212] SORT_3 var_39 = var_39_arg_0 ? var_39_arg_1 : var_39_arg_2; [L213] SORT_1 var_38_arg_0 = var_19; [L214] SORT_3 var_38_arg_1 = state_10; [L215] SORT_3 var_38_arg_2 = state_8; [L216] SORT_3 var_38 = var_38_arg_0 ? var_38_arg_1 : var_38_arg_2; [L217] SORT_1 var_40_arg_0 = var_12; [L218] SORT_3 var_40_arg_1 = var_39; [L219] SORT_3 var_40_arg_2 = var_38; [L220] SORT_3 var_40 = var_40_arg_0 ? var_40_arg_1 : var_40_arg_2; [L221] SORT_3 var_41_arg_0 = var_40; [L222] var_41_arg_0 = var_41_arg_0 & mask_SORT_3 [L223] SORT_21 var_41 = var_41_arg_0; [L224] SORT_21 var_43_arg_0 = var_41; [L225] SORT_21 var_43_arg_1 = var_42; [L226] SORT_1 var_43 = var_43_arg_0 <= var_43_arg_1; [L227] SORT_1 var_44_arg_0 = var_37; [L228] SORT_1 var_44_arg_1 = var_43; [L229] SORT_1 var_44 = var_44_arg_0 & var_44_arg_1; [L230] SORT_1 var_45_arg_0 = var_31; [L231] SORT_1 var_45_arg_1 = var_44; [L232] SORT_1 var_45 = var_45_arg_0 & var_45_arg_1; [L233] SORT_1 var_47_arg_0 = var_12; [L234] SORT_3 var_47_arg_1 = state_16; [L235] SORT_3 var_47_arg_2 = state_14; [L236] SORT_3 var_47 = var_47_arg_0 ? var_47_arg_1 : var_47_arg_2; [L237] SORT_1 var_46_arg_0 = var_12; [L238] SORT_3 var_46_arg_1 = state_10; [L239] SORT_3 var_46_arg_2 = state_8; [L240] SORT_3 var_46 = var_46_arg_0 ? var_46_arg_1 : var_46_arg_2; [L241] SORT_1 var_48_arg_0 = var_12; [L242] SORT_3 var_48_arg_1 = var_47; [L243] SORT_3 var_48_arg_2 = var_46; [L244] SORT_3 var_48 = var_48_arg_0 ? var_48_arg_1 : var_48_arg_2; [L245] SORT_3 var_49_arg_0 = var_48; [L246] var_49_arg_0 = var_49_arg_0 & mask_SORT_3 [L247] SORT_21 var_49 = var_49_arg_0; [L248] SORT_21 var_51_arg_0 = var_49; [L249] SORT_21 var_51_arg_1 = var_50; [L250] SORT_1 var_51 = var_51_arg_0 >= var_51_arg_1; [L251] SORT_1 var_53_arg_0 = var_12; [L252] SORT_3 var_53_arg_1 = state_16; [L253] SORT_3 var_53_arg_2 = state_14; [L254] SORT_3 var_53 = var_53_arg_0 ? var_53_arg_1 : var_53_arg_2; [L255] SORT_1 var_52_arg_0 = var_12; [L256] SORT_3 var_52_arg_1 = state_10; [L257] SORT_3 var_52_arg_2 = state_8; [L258] SORT_3 var_52 = var_52_arg_0 ? var_52_arg_1 : var_52_arg_2; [L259] SORT_1 var_54_arg_0 = var_12; [L260] SORT_3 var_54_arg_1 = var_53; [L261] SORT_3 var_54_arg_2 = var_52; [L262] SORT_3 var_54 = var_54_arg_0 ? var_54_arg_1 : var_54_arg_2; [L263] SORT_3 var_55_arg_0 = var_54; [L264] var_55_arg_0 = var_55_arg_0 & mask_SORT_3 [L265] SORT_21 var_55 = var_55_arg_0; [L266] SORT_21 var_57_arg_0 = var_55; [L267] SORT_21 var_57_arg_1 = var_56; [L268] SORT_1 var_57 = var_57_arg_0 <= var_57_arg_1; [L269] SORT_1 var_58_arg_0 = var_51; [L270] SORT_1 var_58_arg_1 = var_57; [L271] SORT_1 var_58 = var_58_arg_0 & var_58_arg_1; [L272] SORT_1 var_59_arg_0 = var_45; [L273] SORT_1 var_59_arg_1 = var_58; [L274] SORT_1 var_59 = var_59_arg_0 & var_59_arg_1; [L275] SORT_3 var_62_arg_0 = state_60; [L276] SORT_3 var_62_arg_1 = var_7; [L277] SORT_1 var_62 = var_62_arg_0 == var_62_arg_1; [L278] SORT_1 var_63_arg_0 = var_59; [L279] SORT_1 var_63_arg_1 = var_62; [L280] SORT_1 var_63 = var_63_arg_0 & var_63_arg_1; [L281] SORT_3 var_66_arg_0 = state_64; [L282] SORT_3 var_66_arg_1 = var_7; [L283] SORT_1 var_66 = var_66_arg_0 == var_66_arg_1; [L284] SORT_1 var_67_arg_0 = var_63; [L285] SORT_1 var_67_arg_1 = var_66; [L286] SORT_1 var_67 = var_67_arg_0 & var_67_arg_1; [L287] SORT_3 var_70_arg_0 = state_68; [L288] SORT_3 var_70_arg_1 = var_7; [L289] SORT_1 var_70 = var_70_arg_0 == var_70_arg_1; [L290] SORT_1 var_71_arg_0 = var_67; [L291] SORT_1 var_71_arg_1 = var_70; [L292] SORT_1 var_71 = var_71_arg_0 & var_71_arg_1; [L293] SORT_1 var_74_arg_0 = var_71; [L294] SORT_1 var_74 = ~var_74_arg_0; [L295] SORT_1 var_75_arg_0 = var_12; [L296] SORT_1 var_75_arg_1 = var_74; [L297] SORT_1 var_75 = var_75_arg_0 & var_75_arg_1; [L298] var_75 = var_75 & mask_SORT_1 [L299] SORT_1 bad_76_arg_0 = var_75; [L300] CALL __VERIFIER_assert(!(bad_76_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, 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=8occurred 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, 0.1s 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 proved your program to be incorrect! [2023-11-23 21:28:24,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f05967-cfc5-4d8e-896f-88ff786395b3/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE