./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_buf_bug.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a 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_f127784b-0761-4060-899a-38273380a1e8/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f127784b-0761-4060-899a-38273380a1e8/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f127784b-0761-4060-899a-38273380a1e8/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f127784b-0761-4060-899a-38273380a1e8/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_buf_bug.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f127784b-0761-4060-899a-38273380a1e8/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f127784b-0761-4060-899a-38273380a1e8/bin/utaipan-verify-DbMuA5NWw2 --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 96058a095f9d265f7ac6ab6bbcbacfbf0dd6452c382f47776ac7601de251f0e4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:39:09,404 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:39:09,497 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f127784b-0761-4060-899a-38273380a1e8/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 12:39:09,501 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:39:09,502 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:39:09,541 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:39:09,542 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:39:09,542 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:39:09,543 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:39:09,543 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:39:09,547 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:39:09,547 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:39:09,548 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:39:09,550 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:39:09,550 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:39:09,551 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:39:09,552 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:39:09,552 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:39:09,555 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:39:09,555 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:39:09,556 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:39:09,558 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:39:09,559 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:39:09,559 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:39:09,560 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:39:09,560 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:39:09,560 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:39:09,561 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:39:09,561 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:39:09,561 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:39:09,562 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:39:09,562 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:39:09,562 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:39:09,563 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:39:09,563 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:39:09,563 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:39:09,564 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:39:09,564 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:39:09,564 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:39:09,565 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:39:09,565 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:39:09,565 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:39:09,566 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:39:09,566 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:39:09,567 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_f127784b-0761-4060-899a-38273380a1e8/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f127784b-0761-4060-899a-38273380a1e8/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 96058a095f9d265f7ac6ab6bbcbacfbf0dd6452c382f47776ac7601de251f0e4 [2024-11-02 12:39:09,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:39:09,842 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:39:09,846 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:39:09,848 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:39:09,849 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:39:09,850 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f127784b-0761-4060-899a-38273380a1e8/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_buf_bug.c Unable to find full path for "g++" [2024-11-02 12:39:12,101 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:39:12,549 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:39:12,550 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f127784b-0761-4060-899a-38273380a1e8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_buf_bug.c [2024-11-02 12:39:12,570 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f127784b-0761-4060-899a-38273380a1e8/bin/utaipan-verify-DbMuA5NWw2/data/ae1cc622e/35317d687c354cc3b6b5d89b358e4999/FLAG4100c3b1b [2024-11-02 12:39:12,670 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f127784b-0761-4060-899a-38273380a1e8/bin/utaipan-verify-DbMuA5NWw2/data/ae1cc622e/35317d687c354cc3b6b5d89b358e4999 [2024-11-02 12:39:12,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:39:12,674 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:39:12,675 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:39:12,676 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:39:12,682 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:39:12,683 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:39:12" (1/1) ... [2024-11-02 12:39:12,684 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bed23f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:12, skipping insertion in model container [2024-11-02 12:39:12,685 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:39:12" (1/1) ... [2024-11-02 12:39:12,764 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:39:13,007 WARN L251 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_f127784b-0761-4060-899a-38273380a1e8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_buf_bug.c[1258,1271] [2024-11-02 12:39:13,482 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:39:13,493 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:39:13,502 WARN L251 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_f127784b-0761-4060-899a-38273380a1e8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_buf_bug.c[1258,1271] [2024-11-02 12:39:13,663 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:39:13,682 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:39:13,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:13 WrapperNode [2024-11-02 12:39:13,683 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:39:13,684 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:39:13,684 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:39:13,684 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:39:13,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:13" (1/1) ... [2024-11-02 12:39:13,764 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:13" (1/1) ... [2024-11-02 12:39:14,319 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3296 [2024-11-02 12:39:14,320 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:39:14,322 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:39:14,322 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:39:14,323 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:39:14,335 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:13" (1/1) ... [2024-11-02 12:39:14,335 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:13" (1/1) ... [2024-11-02 12:39:14,412 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:13" (1/1) ... [2024-11-02 12:39:14,413 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:13" (1/1) ... [2024-11-02 12:39:14,522 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:13" (1/1) ... [2024-11-02 12:39:14,558 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:13" (1/1) ... [2024-11-02 12:39:14,586 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:13" (1/1) ... [2024-11-02 12:39:14,602 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:13" (1/1) ... [2024-11-02 12:39:14,651 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:39:14,652 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:39:14,653 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:39:14,654 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:39:14,655 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:13" (1/1) ... [2024-11-02 12:39:14,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:39:14,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f127784b-0761-4060-899a-38273380a1e8/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:39:14,694 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f127784b-0761-4060-899a-38273380a1e8/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:39:14,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f127784b-0761-4060-899a-38273380a1e8/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:39:14,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:39:14,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:39:14,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:39:14,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:39:15,306 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:39:15,309 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:39:18,900 INFO L? ?]: Removed 2294 outVars from TransFormulas that were not future-live. [2024-11-02 12:39:18,900 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:39:23,682 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:39:23,682 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:39:23,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:39:23 BoogieIcfgContainer [2024-11-02 12:39:23,683 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:39:23,686 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:39:23,687 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:39:23,691 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:39:23,692 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:39:12" (1/3) ... [2024-11-02 12:39:23,693 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75842d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:39:23, skipping insertion in model container [2024-11-02 12:39:23,694 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:13" (2/3) ... [2024-11-02 12:39:23,694 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75842d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:39:23, skipping insertion in model container [2024-11-02 12:39:23,695 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:39:23" (3/3) ... [2024-11-02 12:39:23,696 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_buf_bug.c [2024-11-02 12:39:23,724 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:39:23,724 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:39:23,798 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:39:23,806 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@512c2581, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:39:23,806 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:39:23,811 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:39:23,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-02 12:39:23,818 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:39:23,819 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-02 12:39:23,820 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:39:23,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:39:23,829 INFO L85 PathProgramCache]: Analyzing trace with hash 102402615, now seen corresponding path program 1 times [2024-11-02 12:39:23,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:39:23,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038580801] [2024-11-02 12:39:23,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:39:23,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:39:24,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:39:24,263 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:39:24,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:39:24,557 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 12:39:24,560 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 12:39:24,562 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 12:39:24,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 12:39:24,572 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 12:39:24,621 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:39:24,628 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:39:24 BoogieIcfgContainer [2024-11-02 12:39:24,629 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:39:24,630 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:39:24,630 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:39:24,630 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:39:24,633 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:39:23" (3/4) ... [2024-11-02 12:39:24,636 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 12:39:24,638 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:39:24,640 INFO L158 Benchmark]: Toolchain (without parser) took 11964.89ms. Allocated memory was 125.8MB in the beginning and 553.6MB in the end (delta: 427.8MB). Free memory was 81.5MB in the beginning and 321.2MB in the end (delta: -239.7MB). Peak memory consumption was 189.3MB. Max. memory is 16.1GB. [2024-11-02 12:39:24,640 INFO L158 Benchmark]: CDTParser took 1.21ms. Allocated memory is still 125.8MB. Free memory is still 71.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:39:24,641 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1007.50ms. Allocated memory was 125.8MB in the beginning and 163.6MB in the end (delta: 37.7MB). Free memory was 81.5MB in the beginning and 78.2MB in the end (delta: 3.3MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. [2024-11-02 12:39:24,642 INFO L158 Benchmark]: Boogie Procedure Inliner took 636.49ms. Allocated memory was 163.6MB in the beginning and 264.2MB in the end (delta: 100.7MB). Free memory was 78.2MB in the beginning and 177.0MB in the end (delta: -98.8MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2024-11-02 12:39:24,643 INFO L158 Benchmark]: Boogie Preprocessor took 329.41ms. Allocated memory is still 264.2MB. Free memory was 176.9MB in the beginning and 152.9MB in the end (delta: 24.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-02 12:39:24,643 INFO L158 Benchmark]: RCFGBuilder took 9031.42ms. Allocated memory was 264.2MB in the beginning and 553.6MB in the end (delta: 289.4MB). Free memory was 152.9MB in the beginning and 375.7MB in the end (delta: -222.8MB). Peak memory consumption was 363.3MB. Max. memory is 16.1GB. [2024-11-02 12:39:24,645 INFO L158 Benchmark]: TraceAbstraction took 942.97ms. Allocated memory is still 553.6MB. Free memory was 374.7MB in the beginning and 321.2MB in the end (delta: 53.5MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2024-11-02 12:39:24,648 INFO L158 Benchmark]: Witness Printer took 8.26ms. Allocated memory is still 553.6MB. Free memory is still 321.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:39:24,653 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.21ms. Allocated memory is still 125.8MB. Free memory is still 71.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1007.50ms. Allocated memory was 125.8MB in the beginning and 163.6MB in the end (delta: 37.7MB). Free memory was 81.5MB in the beginning and 78.2MB in the end (delta: 3.3MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 636.49ms. Allocated memory was 163.6MB in the beginning and 264.2MB in the end (delta: 100.7MB). Free memory was 78.2MB in the beginning and 177.0MB in the end (delta: -98.8MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 329.41ms. Allocated memory is still 264.2MB. Free memory was 176.9MB in the beginning and 152.9MB in the end (delta: 24.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * RCFGBuilder took 9031.42ms. Allocated memory was 264.2MB in the beginning and 553.6MB in the end (delta: 289.4MB). Free memory was 152.9MB in the beginning and 375.7MB in the end (delta: -222.8MB). Peak memory consumption was 363.3MB. Max. memory is 16.1GB. * TraceAbstraction took 942.97ms. Allocated memory is still 553.6MB. Free memory was 374.7MB in the beginning and 321.2MB in the end (delta: 53.5MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Witness Printer took 8.26ms. Allocated memory is still 553.6MB. Free memory is still 321.2MB. 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 133. 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_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 4); [L30] const SORT_4 msb_SORT_4 = (SORT_4)1 << (4 - 1); [L32] const SORT_7 mask_SORT_7 = (SORT_7)-1 >> (sizeof(SORT_7) * 8 - 5); [L33] const SORT_7 msb_SORT_7 = (SORT_7)1 << (5 - 1); [L35] const SORT_22 mask_SORT_22 = (SORT_22)-1 >> (sizeof(SORT_22) * 8 - 32); [L36] const SORT_22 msb_SORT_22 = (SORT_22)1 << (32 - 1); [L38] const SORT_7 var_8 = 0; [L39] const SORT_7 var_11 = 16; [L40] const SORT_1 var_15 = 1; [L41] const SORT_1 var_19 = 0; [L42] const SORT_22 var_23 = 0; [L43] const SORT_22 var_24 = 15; [L44] const SORT_22 var_74 = 14; [L45] const SORT_22 var_92 = 13; [L46] const SORT_22 var_110 = 12; [L47] const SORT_22 var_128 = 11; [L48] const SORT_22 var_146 = 10; [L49] const SORT_22 var_164 = 9; [L50] const SORT_22 var_182 = 8; [L51] const SORT_22 var_200 = 7; [L52] const SORT_22 var_218 = 6; [L53] const SORT_22 var_236 = 5; [L54] const SORT_22 var_254 = 4; [L55] const SORT_22 var_272 = 3; [L56] const SORT_22 var_290 = 2; [L57] const SORT_22 var_308 = 1; [L58] const SORT_22 var_350 = 16; [L59] const SORT_4 var_356 = 0; [L61] SORT_1 input_2; [L62] SORT_1 input_3; [L63] SORT_4 input_5; [L64] SORT_1 input_6; [L65] SORT_1 input_345; [L66] SORT_4 input_347; [L67] SORT_1 input_386; [L68] SORT_4 input_388; [L69] SORT_1 input_404; [L70] SORT_4 input_408; [L72] EXPR __VERIFIER_nondet_uchar() & mask_SORT_7 [L72] SORT_7 state_9 = __VERIFIER_nondet_uchar() & mask_SORT_7; [L73] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L73] SORT_1 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L74] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L74] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L75] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L75] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L76] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L76] SORT_1 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L77] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L77] SORT_1 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L78] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L78] SORT_1 state_36 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L79] SORT_1 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L80] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L81] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L82] SORT_1 state_48 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L83] SORT_1 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L84] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L85] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L86] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L87] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L88] SORT_1 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L89] SORT_1 state_66 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L91] SORT_7 init_10_arg_1 = var_8; [L92] state_9 = init_10_arg_1 [L93] SORT_1 init_21_arg_1 = var_19; [L94] state_20 = init_21_arg_1 [L95] SORT_1 init_26_arg_1 = var_19; [L96] state_25 = init_26_arg_1 [L97] SORT_1 init_28_arg_1 = var_19; [L98] state_27 = init_28_arg_1 [L99] SORT_1 init_31_arg_1 = var_19; [L100] state_30 = init_31_arg_1 [L101] SORT_1 init_33_arg_1 = var_19; [L102] state_32 = init_33_arg_1 [L103] SORT_1 init_37_arg_1 = var_19; [L104] state_36 = init_37_arg_1 [L105] SORT_1 init_39_arg_1 = var_19; [L106] state_38 = init_39_arg_1 [L107] SORT_1 init_42_arg_1 = var_19; [L108] state_41 = init_42_arg_1 [L109] SORT_1 init_44_arg_1 = var_19; [L110] state_43 = init_44_arg_1 [L111] SORT_1 init_49_arg_1 = var_19; [L112] state_48 = init_49_arg_1 [L113] SORT_1 init_51_arg_1 = var_19; [L114] state_50 = init_51_arg_1 [L115] SORT_1 init_54_arg_1 = var_19; [L116] state_53 = init_54_arg_1 [L117] SORT_1 init_56_arg_1 = var_19; [L118] state_55 = init_56_arg_1 [L119] SORT_1 init_60_arg_1 = var_19; [L120] state_59 = init_60_arg_1 [L121] SORT_1 init_62_arg_1 = var_19; [L122] state_61 = init_62_arg_1 [L123] SORT_1 init_65_arg_1 = var_19; [L124] state_64 = init_65_arg_1 [L125] SORT_1 init_67_arg_1 = var_19; [L126] state_66 = init_67_arg_1 VAL [mask_SORT_1=1, mask_SORT_7=31, state_20=0, state_25=0, state_27=0, state_30=0, state_32=0, state_36=0, state_38=0, state_41=0, state_43=0, state_48=0, state_50=0, state_53=0, state_55=0, state_59=0, state_61=0, state_64=0, state_66=0, state_9=0, var_110=12, var_11=16, var_128=11, var_146=10, var_15=1, var_164=9, var_182=8, var_19=0, var_200=7, var_218=6, var_236=5, var_23=0, var_24=15, var_254=4, var_272=3, var_290=2, var_308=1, var_350=16, var_356=0, var_74=14, var_92=13] [L129] input_2 = __VERIFIER_nondet_uchar() [L130] input_3 = __VERIFIER_nondet_uchar() [L131] input_5 = __VERIFIER_nondet_uchar() [L132] input_6 = __VERIFIER_nondet_uchar() [L133] EXPR input_6 & mask_SORT_1 [L133] input_6 = input_6 & mask_SORT_1 [L134] input_345 = __VERIFIER_nondet_uchar() [L135] input_347 = __VERIFIER_nondet_uchar() [L136] input_386 = __VERIFIER_nondet_uchar() [L137] input_388 = __VERIFIER_nondet_uchar() [L138] input_404 = __VERIFIER_nondet_uchar() [L139] input_408 = __VERIFIER_nondet_uchar() [L142] SORT_7 var_12_arg_0 = state_9; [L143] SORT_7 var_12_arg_1 = var_11; [L144] SORT_1 var_12 = var_12_arg_0 <= var_12_arg_1; [L145] SORT_1 var_16_arg_0 = var_12; [L146] SORT_1 var_16 = ~var_16_arg_0; [L147] SORT_1 var_17_arg_0 = var_15; [L148] SORT_1 var_17_arg_1 = var_16; [L149] EXPR var_17_arg_0 & var_17_arg_1 [L149] SORT_1 var_17 = var_17_arg_0 & var_17_arg_1; [L150] EXPR var_17 & mask_SORT_1 [L150] var_17 = var_17 & mask_SORT_1 [L151] SORT_1 bad_18_arg_0 = var_17; [L152] CALL __VERIFIER_assert(!(bad_18_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-02 12:39:24,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f127784b-0761-4060-899a-38273380a1e8/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f127784b-0761-4060-899a-38273380a1e8/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f127784b-0761-4060-899a-38273380a1e8/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f127784b-0761-4060-899a-38273380a1e8/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f127784b-0761-4060-899a-38273380a1e8/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_buf_bug.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f127784b-0761-4060-899a-38273380a1e8/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f127784b-0761-4060-899a-38273380a1e8/bin/utaipan-verify-DbMuA5NWw2 --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 96058a095f9d265f7ac6ab6bbcbacfbf0dd6452c382f47776ac7601de251f0e4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:39:27,284 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:39:27,403 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f127784b-0761-4060-899a-38273380a1e8/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2024-11-02 12:39:27,410 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:39:27,411 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:39:27,449 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:39:27,450 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:39:27,450 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:39:27,451 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:39:27,453 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:39:27,454 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:39:27,455 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:39:27,455 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:39:27,459 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:39:27,459 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:39:27,459 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:39:27,460 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:39:27,460 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:39:27,461 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:39:27,461 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:39:27,461 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:39:27,463 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:39:27,464 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:39:27,464 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 12:39:27,464 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:39:27,465 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 12:39:27,465 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:39:27,466 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:39:27,466 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:39:27,466 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 12:39:27,467 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:39:27,467 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:39:27,467 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:39:27,467 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:39:27,468 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:39:27,468 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:39:27,468 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 12:39:27,469 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 12:39:27,469 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:39:27,469 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:39:27,469 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:39:27,471 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_f127784b-0761-4060-899a-38273380a1e8/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f127784b-0761-4060-899a-38273380a1e8/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 96058a095f9d265f7ac6ab6bbcbacfbf0dd6452c382f47776ac7601de251f0e4 [2024-11-02 12:39:27,889 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:39:27,921 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:39:27,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:39:27,925 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:39:27,926 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:39:27,927 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f127784b-0761-4060-899a-38273380a1e8/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_buf_bug.c Unable to find full path for "g++" [2024-11-02 12:39:30,097 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:39:30,469 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:39:30,470 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f127784b-0761-4060-899a-38273380a1e8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_buf_bug.c [2024-11-02 12:39:30,497 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f127784b-0761-4060-899a-38273380a1e8/bin/utaipan-verify-DbMuA5NWw2/data/f36bc0051/791f3325893a4714a89f3f7e5dc45c27/FLAG9637033bc [2024-11-02 12:39:30,685 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f127784b-0761-4060-899a-38273380a1e8/bin/utaipan-verify-DbMuA5NWw2/data/f36bc0051/791f3325893a4714a89f3f7e5dc45c27 [2024-11-02 12:39:30,689 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:39:30,690 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:39:30,693 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:39:30,693 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:39:30,699 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:39:30,700 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:39:30" (1/1) ... [2024-11-02 12:39:30,703 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6910f3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:30, skipping insertion in model container [2024-11-02 12:39:30,703 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:39:30" (1/1) ... [2024-11-02 12:39:30,818 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:39:31,109 WARN L251 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_f127784b-0761-4060-899a-38273380a1e8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_buf_bug.c[1258,1271] [2024-11-02 12:39:31,637 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:39:31,663 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:39:31,682 WARN L251 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_f127784b-0761-4060-899a-38273380a1e8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_buf_bug.c[1258,1271] [2024-11-02 12:39:31,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:39:31,878 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:39:31,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:31 WrapperNode [2024-11-02 12:39:31,879 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:39:31,881 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:39:31,881 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:39:31,882 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:39:31,892 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:31" (1/1) ... [2024-11-02 12:39:31,933 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:31" (1/1) ... [2024-11-02 12:39:32,113 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1912 [2024-11-02 12:39:32,115 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:39:32,117 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:39:32,117 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:39:32,117 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:39:32,129 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:31" (1/1) ... [2024-11-02 12:39:32,130 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:31" (1/1) ... [2024-11-02 12:39:32,172 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:31" (1/1) ... [2024-11-02 12:39:32,172 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:31" (1/1) ... [2024-11-02 12:39:32,272 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:31" (1/1) ... [2024-11-02 12:39:32,280 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:31" (1/1) ... [2024-11-02 12:39:32,311 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:31" (1/1) ... [2024-11-02 12:39:32,332 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:31" (1/1) ... [2024-11-02 12:39:32,372 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:39:32,373 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:39:32,373 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:39:32,373 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:39:32,378 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:31" (1/1) ... [2024-11-02 12:39:32,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:39:32,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f127784b-0761-4060-899a-38273380a1e8/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:39:32,435 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f127784b-0761-4060-899a-38273380a1e8/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:39:32,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f127784b-0761-4060-899a-38273380a1e8/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:39:32,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:39:32,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 12:39:32,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:39:32,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:39:32,948 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:39:32,951 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation