./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9df64d-3f8d-4ba9-9d1c-35a43ce7c48f/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9df64d-3f8d-4ba9-9d1c-35a43ce7c48f/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9df64d-3f8d-4ba9-9d1c-35a43ce7c48f/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9df64d-3f8d-4ba9-9d1c-35a43ce7c48f/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9df64d-3f8d-4ba9-9d1c-35a43ce7c48f/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9df64d-3f8d-4ba9-9d1c-35a43ce7c48f/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --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 4fa8f711706c6827dfd46bfbbe473b8c8a578e07b4d272918901355226a20b94 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:37:05,906 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:37:05,909 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:37:05,942 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:37:05,943 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:37:05,944 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:37:05,946 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:37:05,949 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:37:05,951 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:37:05,952 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:37:05,954 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:37:05,955 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:37:05,956 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:37:05,957 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:37:05,959 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:37:05,960 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:37:05,961 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:37:05,962 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:37:05,965 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:37:05,967 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:37:05,969 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:37:05,975 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:37:05,980 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:37:05,981 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:37:05,985 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:37:05,989 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:37:05,989 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:37:05,991 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:37:05,992 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:37:05,993 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:37:05,994 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:37:05,995 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:37:05,997 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:37:05,998 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:37:05,999 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:37:06,000 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:37:06,001 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:37:06,001 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:37:06,001 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:37:06,002 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:37:06,003 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:37:06,003 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9df64d-3f8d-4ba9-9d1c-35a43ce7c48f/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-20 23:37:06,052 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:37:06,053 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:37:06,053 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:37:06,053 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:37:06,054 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:37:06,055 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:37:06,055 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:37:06,055 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:37:06,055 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:37:06,056 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:37:06,056 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:37:06,057 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:37:06,057 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:37:06,057 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:37:06,057 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:37:06,057 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:37:06,057 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:37:06,057 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:37:06,058 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:37:06,058 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:37:06,058 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:37:06,058 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:37:06,058 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:37:06,058 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:37:06,059 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:37:06,059 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:37:06,059 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:37:06,059 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:37:06,059 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:37:06,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:37:06,060 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:37:06,060 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:37:06,060 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:37:06,060 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:37:06,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:37:06,060 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:37:06,061 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:37:06,061 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:37:06,061 INFO L138 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_4c9df64d-3f8d-4ba9-9d1c-35a43ce7c48f/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9df64d-3f8d-4ba9-9d1c-35a43ce7c48f/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fa8f711706c6827dfd46bfbbe473b8c8a578e07b4d272918901355226a20b94 [2021-11-20 23:37:06,298 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:37:06,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:37:06,329 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:37:06,331 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:37:06,331 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:37:06,333 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9df64d-3f8d-4ba9-9d1c-35a43ce7c48f/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/ldv-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i [2021-11-20 23:37:06,401 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9df64d-3f8d-4ba9-9d1c-35a43ce7c48f/bin/utaipan-TEXQjIfE4P/data/5cb7bd603/2f69d36728c24671a129903ad850b7ce/FLAG5ffbbc5cf [2021-11-20 23:37:07,358 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:37:07,359 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9df64d-3f8d-4ba9-9d1c-35a43ce7c48f/sv-benchmarks/c/ldv-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i [2021-11-20 23:37:07,418 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9df64d-3f8d-4ba9-9d1c-35a43ce7c48f/bin/utaipan-TEXQjIfE4P/data/5cb7bd603/2f69d36728c24671a129903ad850b7ce/FLAG5ffbbc5cf [2021-11-20 23:37:07,798 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9df64d-3f8d-4ba9-9d1c-35a43ce7c48f/bin/utaipan-TEXQjIfE4P/data/5cb7bd603/2f69d36728c24671a129903ad850b7ce [2021-11-20 23:37:07,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:37:07,801 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:37:07,802 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:37:07,802 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:37:07,819 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:37:07,820 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:37:07" (1/1) ... [2021-11-20 23:37:07,822 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@203cd1da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:07, skipping insertion in model container [2021-11-20 23:37:07,822 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:37:07" (1/1) ... [2021-11-20 23:37:07,829 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:37:07,940 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:37:09,000 WARN L230 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_4c9df64d-3f8d-4ba9-9d1c-35a43ce7c48f/sv-benchmarks/c/ldv-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i[322047,322060] [2021-11-20 23:37:09,019 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:37:09,106 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:37:09,355 WARN L230 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_4c9df64d-3f8d-4ba9-9d1c-35a43ce7c48f/sv-benchmarks/c/ldv-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i[322047,322060] [2021-11-20 23:37:09,359 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:37:09,504 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:37:09,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:09 WrapperNode [2021-11-20 23:37:09,504 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:37:09,505 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:37:09,505 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:37:09,505 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:37:09,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:09" (1/1) ... [2021-11-20 23:37:09,587 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:09" (1/1) ... [2021-11-20 23:37:09,866 INFO L137 Inliner]: procedures = 101, calls = 3226, calls flagged for inlining = 40, calls inlined = 39, statements flattened = 4167 [2021-11-20 23:37:09,866 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:37:09,867 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:37:09,867 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:37:09,868 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:37:09,876 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:09" (1/1) ... [2021-11-20 23:37:09,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:09" (1/1) ... [2021-11-20 23:37:09,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:09" (1/1) ... [2021-11-20 23:37:09,953 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:09" (1/1) ... [2021-11-20 23:37:10,083 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:09" (1/1) ... [2021-11-20 23:37:10,101 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:09" (1/1) ... [2021-11-20 23:37:10,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:09" (1/1) ... [2021-11-20 23:37:10,165 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:37:10,166 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:37:10,167 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:37:10,167 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:37:10,168 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:09" (1/1) ... [2021-11-20 23:37:10,175 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:37:10,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9df64d-3f8d-4ba9-9d1c-35a43ce7c48f/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:37:10,204 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9df64d-3f8d-4ba9-9d1c-35a43ce7c48f/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:37:10,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9df64d-3f8d-4ba9-9d1c-35a43ce7c48f/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:37:10,250 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_set_instr [2021-11-20 23:37:10,251 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_set_instr [2021-11-20 23:37:10,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-20 23:37:10,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-20 23:37:10,251 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-20 23:37:10,251 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_reset [2021-11-20 23:37:10,252 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_reset [2021-11-20 23:37:10,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-20 23:37:10,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-20 23:37:10,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 23:37:10,252 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_command [2021-11-20 23:37:10,252 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_command [2021-11-20 23:37:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-20 23:37:10,253 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-20 23:37:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 23:37:10,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 23:37:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_len [2021-11-20 23:37:10,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_len [2021-11-20 23:37:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-11-20 23:37:10,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-11-20 23:37:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-20 23:37:10,254 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-20 23:37:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure set_voice_volume [2021-11-20 23:37:10,255 INFO L138 BoogieDeclarations]: Found implementation of procedure set_voice_volume [2021-11-20 23:37:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 23:37:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure freq_to_fnum [2021-11-20 23:37:10,255 INFO L138 BoogieDeclarations]: Found implementation of procedure freq_to_fnum [2021-11-20 23:37:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__copy_from_user_1 [2021-11-20 23:37:10,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__copy_from_user_1 [2021-11-20 23:37:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 23:37:10,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 23:37:10,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 23:37:10,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:37:10,257 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_kill_note [2021-11-20 23:37:10,257 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_kill_note [2021-11-20 23:37:10,257 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-20 23:37:10,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-20 23:37:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 23:37:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:37:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 23:37:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure compute_finetune [2021-11-20 23:37:10,259 INFO L138 BoogieDeclarations]: Found implementation of procedure compute_finetune [2021-11-20 23:37:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:37:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 23:37:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-20 23:37:10,259 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-20 23:37:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_copy_from_user_7 [2021-11-20 23:37:10,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_copy_from_user_7 [2021-11-20 23:37:10,260 INFO L130 BoogieDeclarations]: Found specification of procedure calc_vol [2021-11-20 23:37:10,261 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_vol [2021-11-20 23:37:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-11-20 23:37:10,262 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-11-20 23:37:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-11-20 23:37:10,262 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-11-20 23:37:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 23:37:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-11-20 23:37:10,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-11-20 23:37:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure store_instr [2021-11-20 23:37:10,263 INFO L138 BoogieDeclarations]: Found implementation of procedure store_instr [2021-11-20 23:37:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-11-20 23:37:10,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-11-20 23:37:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-20 23:37:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:37:10,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:37:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure bend_pitch [2021-11-20 23:37:10,265 INFO L138 BoogieDeclarations]: Found implementation of procedure bend_pitch [2021-11-20 23:37:10,662 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:37:10,664 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:37:16,224 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:37:16,845 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:37:16,845 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-20 23:37:16,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:37:16 BoogieIcfgContainer [2021-11-20 23:37:16,850 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:37:16,852 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:37:16,852 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:37:16,855 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:37:16,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:37:07" (1/3) ... [2021-11-20 23:37:16,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ebe3bfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:37:16, skipping insertion in model container [2021-11-20 23:37:16,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:09" (2/3) ... [2021-11-20 23:37:16,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ebe3bfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:37:16, skipping insertion in model container [2021-11-20 23:37:16,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:37:16" (3/3) ... [2021-11-20 23:37:16,861 INFO L111 eAbstractionObserver]: Analyzing ICFG m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i [2021-11-20 23:37:16,867 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:37:16,867 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 23:37:16,934 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:37:16,945 INFO L339 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=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 23:37:16,945 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 23:37:16,989 INFO L276 IsEmpty]: Start isEmpty. Operand has 486 states, 307 states have (on average 1.4006514657980456) internal successors, (430), 321 states have internal predecessors, (430), 152 states have call successors, (152), 25 states have call predecessors, (152), 25 states have return successors, (152), 148 states have call predecessors, (152), 152 states have call successors, (152) [2021-11-20 23:37:17,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-20 23:37:17,004 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:37:17,005 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:37:17,005 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:37:17,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:37:17,012 INFO L85 PathProgramCache]: Analyzing trace with hash -953461904, now seen corresponding path program 1 times [2021-11-20 23:37:17,021 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:37:17,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254387842] [2021-11-20 23:37:17,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:37:17,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:37:17,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:37:17,826 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-20 23:37:17,826 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:37:17,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254387842] [2021-11-20 23:37:17,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254387842] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:37:17,827 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:37:17,828 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 23:37:17,829 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899433162] [2021-11-20 23:37:17,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:37:17,834 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 23:37:17,849 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:37:17,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 23:37:17,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 23:37:17,882 INFO L87 Difference]: Start difference. First operand has 486 states, 307 states have (on average 1.4006514657980456) internal successors, (430), 321 states have internal predecessors, (430), 152 states have call successors, (152), 25 states have call predecessors, (152), 25 states have return successors, (152), 148 states have call predecessors, (152), 152 states have call successors, (152) Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 23:37:19,499 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:37:21,524 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:37:23,549 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:37:25,578 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:37:27,611 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:37:28,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:37:28,743 INFO L93 Difference]: Finished difference Result 987 states and 1500 transitions. [2021-11-20 23:37:28,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 23:37:28,746 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2021-11-20 23:37:28,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:37:28,764 INFO L225 Difference]: With dead ends: 987 [2021-11-20 23:37:28,764 INFO L226 Difference]: Without dead ends: 496 [2021-11-20 23:37:28,773 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-20 23:37:28,777 INFO L933 BasicCegarLoop]: 651 mSDtfsCounter, 31 mSDsluCounter, 2923 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 20 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 3228 SdHoareTripleChecker+Invalid, 491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2021-11-20 23:37:28,778 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 3228 Invalid, 491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 467 Invalid, 4 Unknown, 0 Unchecked, 10.7s Time] [2021-11-20 23:37:28,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2021-11-20 23:37:28,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 496. [2021-11-20 23:37:28,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 496 states, 312 states have (on average 1.3717948717948718) internal successors, (428), 325 states have internal predecessors, (428), 156 states have call successors, (156), 27 states have call predecessors, (156), 27 states have return successors, (156), 152 states have call predecessors, (156), 156 states have call successors, (156) [2021-11-20 23:37:28,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 740 transitions. [2021-11-20 23:37:28,894 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 740 transitions. Word has length 25 [2021-11-20 23:37:28,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:37:28,894 INFO L470 AbstractCegarLoop]: Abstraction has 496 states and 740 transitions. [2021-11-20 23:37:28,895 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 23:37:28,895 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 740 transitions. [2021-11-20 23:37:28,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-20 23:37:28,900 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:37:28,900 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:37:28,900 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 23:37:28,901 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:37:28,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:37:28,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1971791284, now seen corresponding path program 1 times [2021-11-20 23:37:28,902 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:37:28,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966083678] [2021-11-20 23:37:28,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:37:28,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:37:29,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 23:37:29,710 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 23:37:30,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 23:37:30,478 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-20 23:37:30,479 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-20 23:37:30,480 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 23:37:30,482 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 23:37:30,486 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-20 23:37:30,489 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 23:37:30,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:37:30 BoogieIcfgContainer [2021-11-20 23:37:30,606 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 23:37:30,606 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 23:37:30,607 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 23:37:30,607 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 23:37:30,607 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:37:16" (3/4) ... [2021-11-20 23:37:30,609 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-20 23:37:30,818 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9df64d-3f8d-4ba9-9d1c-35a43ce7c48f/bin/utaipan-TEXQjIfE4P/witness.graphml [2021-11-20 23:37:30,818 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 23:37:30,819 INFO L158 Benchmark]: Toolchain (without parser) took 23017.41ms. Allocated memory was 109.1MB in the beginning and 536.9MB in the end (delta: 427.8MB). Free memory was 82.7MB in the beginning and 245.1MB in the end (delta: -162.4MB). Peak memory consumption was 265.9MB. Max. memory is 16.1GB. [2021-11-20 23:37:30,819 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 109.1MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 23:37:30,820 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1702.23ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 82.4MB in the beginning and 63.2MB in the end (delta: 19.2MB). Peak memory consumption was 60.4MB. Max. memory is 16.1GB. [2021-11-20 23:37:30,821 INFO L158 Benchmark]: Boogie Procedure Inliner took 361.31ms. Allocated memory was 132.1MB in the beginning and 230.7MB in the end (delta: 98.6MB). Free memory was 63.2MB in the beginning and 162.5MB in the end (delta: -99.3MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2021-11-20 23:37:30,821 INFO L158 Benchmark]: Boogie Preprocessor took 297.90ms. Allocated memory is still 230.7MB. Free memory was 162.5MB in the beginning and 138.4MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-20 23:37:30,821 INFO L158 Benchmark]: RCFGBuilder took 6684.07ms. Allocated memory was 230.7MB in the beginning and 396.4MB in the end (delta: 165.7MB). Free memory was 138.4MB in the beginning and 269.6MB in the end (delta: -131.3MB). Peak memory consumption was 194.0MB. Max. memory is 16.1GB. [2021-11-20 23:37:30,822 INFO L158 Benchmark]: TraceAbstraction took 13753.73ms. Allocated memory was 396.4MB in the beginning and 536.9MB in the end (delta: 140.5MB). Free memory was 269.6MB in the beginning and 290.8MB in the end (delta: -21.2MB). Peak memory consumption was 119.7MB. Max. memory is 16.1GB. [2021-11-20 23:37:30,822 INFO L158 Benchmark]: Witness Printer took 211.66ms. Allocated memory is still 536.9MB. Free memory was 290.8MB in the beginning and 245.1MB in the end (delta: 45.7MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2021-11-20 23:37:30,825 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 109.1MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1702.23ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 82.4MB in the beginning and 63.2MB in the end (delta: 19.2MB). Peak memory consumption was 60.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 361.31ms. Allocated memory was 132.1MB in the beginning and 230.7MB in the end (delta: 98.6MB). Free memory was 63.2MB in the beginning and 162.5MB in the end (delta: -99.3MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 297.90ms. Allocated memory is still 230.7MB. Free memory was 162.5MB in the beginning and 138.4MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * RCFGBuilder took 6684.07ms. Allocated memory was 230.7MB in the beginning and 396.4MB in the end (delta: 165.7MB). Free memory was 138.4MB in the beginning and 269.6MB in the end (delta: -131.3MB). Peak memory consumption was 194.0MB. Max. memory is 16.1GB. * TraceAbstraction took 13753.73ms. Allocated memory was 396.4MB in the beginning and 536.9MB in the end (delta: 140.5MB). Free memory was 269.6MB in the beginning and 290.8MB in the end (delta: -21.2MB). Peak memory consumption was 119.7MB. Max. memory is 16.1GB. * Witness Printer took 211.66ms. Allocated memory is still 536.9MB. Free memory was 290.8MB in the beginning and 245.1MB in the end (delta: 45.7MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 6170]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L2600-L2618] static struct physical_voice_info pv_map[18U] = { {0U, 2U, 0U, {0U, 3U, 8U, 11U}}, {1U, 2U, 0U, {1U, 4U, 9U, 12U}}, {2U, 2U, 0U, {2U, 5U, 10U, 13U}}, {3U, 2U, 0U, {8U, 11U, 0U, 0U}}, {4U, 2U, 0U, {9U, 12U, 0U, 0U}}, {5U, 2U, 0U, {10U, 13U, 0U, 0U}}, {6U, 2U, 0U, {16U, 19U, 0U, 0U}}, {7U, 2U, 0U, {17U, 20U, 0U, 0U}}, {8U, 2U, 0U, {18U, 21U, 0U, 0U}}, {0U, 2U, 1U, {0U, 3U, 8U, 11U}}, {1U, 2U, 1U, {1U, 4U, 9U, 12U}}, {2U, 2U, 1U, {2U, 5U, 10U, 13U}}, {3U, 2U, 1U, {8U, 11U, 0U, 0U}}, {4U, 2U, 1U, {9U, 12U, 0U, 0U}}, {5U, 2U, 1U, {10U, 13U, 0U, 0U}}, {6U, 2U, 1U, {16U, 19U, 0U, 0U}}, {7U, 2U, 1U, {17U, 20U, 0U, 0U}}, {8U, 2U, 1U, {18U, 21U, 0U, 0U}}}; [L2619] static struct opl_devinfo *devc = 0; [L2620] static int detected_model ; [L2913-L2945] static char fm_volume_table[128U] = { -64, -48, -40, -35, -32, -29, -27, -26, -24, -23, -21, -20, -19, -18, -18, -17, -16, -15, -15, -14, -13, -13, -12, -12, -11, -11, -10, -10, -10, -9, -9, -8, -8, -8, -7, -7, -7, -6, -6, -6, -5, -5, -5, -5, -4, -4, -4, -4, -3, -3, -3, -3, -2, -2, -2, -2, -2, -1, -1, -1, -1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8}; [L3676-L5794] static struct synth_operations opl3_operations = {& __this_module, (char *)"OPL", 0, 0, 0, 0, & opl3_open, & opl3_close, & opl3_ioctl, & opl3_kill_note, & opl3_start_note, & opl3_set_instr, & opl3_reset, & opl3_hw_control, & opl3_load_patch, & opl3_aftertouch, & opl3_controller, & opl3_panning, & opl3_volume_method, & opl3_bender, & opl3_alloc_voice, & opl3_setup_voice, 0, {0, 0, 0, {(unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned 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char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}, 0}; [L5901] static int me ; [L5902] static int io = -1; [L5945] int LDV_IN_INTERRUPT ; [L5948] int var_opl3_open_12_p0 ; [L5949] int var_opl3_open_12_p1 ; [L5950] int res_opl3_open_12 ; [L5951] int var_opl3_close_13_p0 ; [L5952] int var_opl3_ioctl_1_p0 ; [L5953] unsigned int var_opl3_ioctl_1_p1 ; [L5954] void *var_opl3_ioctl_1_p2 ; [L5955] int var_opl3_kill_note_3_p0 ; [L5956] int var_opl3_kill_note_3_p1 ; [L5957] int var_opl3_kill_note_3_p2 ; [L5958] int var_opl3_kill_note_3_p3 ; [L5959] int var_opl3_start_note_8_p0 ; [L5960] int var_opl3_start_note_8_p1 ; [L5961] int var_opl3_start_note_8_p2 ; [L5962] int var_opl3_start_note_8_p3 ; [L5963] int var_opl3_set_instr_5_p0 ; [L5964] int var_opl3_set_instr_5_p1 ; [L5965] int var_opl3_set_instr_5_p2 ; [L5966] int var_opl3_reset_11_p0 ; [L5967] int var_opl3_hw_control_14_p0 ; [L5968] unsigned char *var_opl3_hw_control_14_p1 ; [L5969] int var_opl3_load_patch_15_p0 ; [L5970] int var_opl3_load_patch_15_p1 ; [L5971] char const *var_opl3_load_patch_15_p2 ; [L5972] int var_opl3_load_patch_15_p3 ; [L5973] int var_opl3_load_patch_15_p4 ; [L5974] int var_opl3_load_patch_15_p5 ; [L5975] int var_opl3_aftertouch_18_p0 ; [L5976] int var_opl3_aftertouch_18_p1 ; [L5977] int var_opl3_aftertouch_18_p2 ; [L5978] int var_opl3_controller_20_p0 ; [L5979] int var_opl3_controller_20_p1 ; [L5980] int var_opl3_controller_20_p2 ; [L5981] int var_opl3_controller_20_p3 ; [L5982] int var_opl3_panning_16_p0 ; [L5983] int var_opl3_panning_16_p1 ; [L5984] int var_opl3_panning_16_p2 ; [L5985] int var_opl3_volume_method_17_p0 ; [L5986] int var_opl3_volume_method_17_p1 ; [L5987] int var_opl3_bender_21_p0 ; [L5988] int var_opl3_bender_21_p1 ; [L5989] int var_opl3_bender_21_p2 ; [L5990] int var_opl3_alloc_voice_22_p0 ; [L5991] int var_opl3_alloc_voice_22_p1 ; [L5992] int var_opl3_alloc_voice_22_p2 ; [L5993] struct voice_alloc_info *var_opl3_alloc_voice_22_p3 ; [L5994] int var_opl3_setup_voice_23_p0 ; [L5995] int var_opl3_setup_voice_23_p1 ; [L5996] int var_opl3_setup_voice_23_p2 ; [L5997] int ldv_s_opl3_operations_synth_operations ; [L5998] int tmp ; [L5999] int tmp___0 ; [L6000] int tmp___1 ; [L6002] ldv_s_opl3_operations_synth_operations = 0 [L6003] LDV_IN_INTERRUPT = 1 [L6004] FCALL ldv_initialize() [L6005] FCALL ldv_handler_precall() VAL [__this_module={18446744073709551687:18446744073709551682}, detected_model=0, devc={0:0}, fm_volume_table={25:0}, io=-1, LDV_IN_INTERRUPT=1, ldv_s_opl3_operations_synth_operations=0, me=0, opl3_operations={26:0}, pv_map={24:0}] [L6006] CALL, EXPR init_opl3() [L5905] int tmp ; [L5908] COND FALSE !(io != -1) VAL [__this_module={18446744073709551687:18446744073709551682}, detected_model=0, devc={0:0}, fm_volume_table={25:0}, io=-1, LDV_IN_INTERRUPT=1, me=0, opl3_operations={26:0}, pv_map={24:0}] [L5917] return (0); VAL [\result=0, __this_module={18446744073709551687:18446744073709551682}, detected_model=0, devc={0:0}, fm_volume_table={25:0}, io=-1, LDV_IN_INTERRUPT=1, me=0, opl3_operations={26:0}, pv_map={24:0}] [L6006] RET, EXPR init_opl3() [L6006] tmp = init_opl3() [L6007] COND FALSE !(tmp != 0) VAL [__this_module={18446744073709551687:18446744073709551682}, detected_model=0, devc={0:0}, fm_volume_table={25:0}, io=-1, LDV_IN_INTERRUPT=1, ldv_s_opl3_operations_synth_operations=0, me=0, opl3_operations={26:0}, pv_map={24:0}, tmp=0] [L6102] tmp___1 = __VERIFIER_nondet_int() [L6103] COND TRUE tmp___1 != 0 || ldv_s_opl3_operations_synth_operations != 0 [L6013] tmp___0 = __VERIFIER_nondet_int() [L6015] case 0: [L6028] case 1: [L6036] case 2: [L6040] case 3: [L6045] case 4: [L6050] case 5: [L6054] case 6: [L6058] case 7: [L6062] case 8: VAL [__this_module={18446744073709551687:18446744073709551682}, detected_model=0, devc={0:0}, fm_volume_table={25:0}, io=-1, LDV_IN_INTERRUPT=1, ldv_s_opl3_operations_synth_operations=0, me=0, opl3_operations={26:0}, pv_map={24:0}, tmp=0, tmp___0=8, tmp___1=-22] [L6063] FCALL ldv_handler_precall() VAL [__this_module={18446744073709551687:18446744073709551682}, detected_model=0, devc={0:0}, fm_volume_table={25:0}, io=-1, LDV_IN_INTERRUPT=1, ldv_s_opl3_operations_synth_operations=0, me=0, opl3_operations={26:0}, pv_map={24:0}, tmp=0, tmp___0=8, tmp___1=-22] [L6064-L6065] CALL opl3_load_patch(var_opl3_load_patch_15_p0, var_opl3_load_patch_15_p1, var_opl3_load_patch_15_p2, var_opl3_load_patch_15_p3, var_opl3_load_patch_15_p4, var_opl3_load_patch_15_p5) [L3367] struct sbi_instrument ins ; [L3368] unsigned long tmp ; [L3369] int tmp___0 ; VAL [\old(count)=4294967336, \old(dev)=18446744073709551686, \old(format)=18446744073709551685, \old(offs)=18446744073709551681, \old(pmgr_flag)=18446744073709551684, __this_module={18446744073709551687:18446744073709551682}, addr={18446744073709551683:-65}, addr={18446744073709551683:-65}, count=4294967336, detected_model=0, dev=18446744073709551686, devc={0:0}, fm_volume_table={25:0}, format=18446744073709551685, ins={131:0}, io=-1, LDV_IN_INTERRUPT=1, me=0, offs=18446744073709551681, opl3_operations={26:0}, pmgr_flag=18446744073709551684, pv_map={24:0}] [L3371] COND FALSE !((unsigned int )count <= 39U) VAL [\old(count)=4294967336, \old(dev)=18446744073709551686, \old(format)=18446744073709551685, \old(offs)=18446744073709551681, \old(pmgr_flag)=18446744073709551684, __this_module={18446744073709551687:18446744073709551682}, addr={18446744073709551683:-65}, addr={18446744073709551683:-65}, count=4294967336, detected_model=0, dev=18446744073709551686, devc={0:0}, fm_volume_table={25:0}, format=18446744073709551685, ins={131:0}, io=-1, LDV_IN_INTERRUPT=1, me=0, offs=18446744073709551681, opl3_operations={26:0}, pmgr_flag=18446744073709551684, pv_map={24:0}] [L3376-L3377] CALL ldv_copy_from_user_7((void *)(& ins) + (unsigned long )offs, (void const *)addr + (unsigned long )offs, 40UL - (unsigned long )offs) VAL [__this_module={18446744073709551687:18446744073709551682}, detected_model=0, devc={0:0}, fm_volume_table={25:0}, io=-1, LDV_IN_INTERRUPT=1, me=0, opl3_operations={26:0}, pv_map={24:0}] [L6158] unsigned long tmp ; VAL [\old(n)=-18446744073709551641, __this_module={18446744073709551687:18446744073709551682}, detected_model=0, devc={0:0}, fm_volume_table={25:0}, from={18446744073709551683:0}, from={18446744073709551683:0}, io=-1, LDV_IN_INTERRUPT=1, me=0, n=-18446744073709551641, opl3_operations={26:0}, pv_map={24:0}, to={131:65}, to={131:65}] [L6160] CALL ldv_check_len((long )n) VAL [__this_module={18446744073709551687:18446744073709551682}, detected_model=0, devc={0:0}, fm_volume_table={25:0}, io=-1, LDV_IN_INTERRUPT=1, me=0, opl3_operations={26:0}, pv_map={24:0}] [L6213] COND FALSE !(n >= 0L) [L6215] CALL ldv_error() [L6170] reach_error() VAL [__this_module={18446744073709551687:18446744073709551682}, detected_model=0, devc={0:0}, fm_volume_table={25:0}, io=-1, LDV_IN_INTERRUPT=1, me=0, opl3_operations={26:0}, pv_map={24:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 486 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.6s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 10.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 4 mSolverCounterUnknown, 31 SdHoareTripleChecker+Valid, 10.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 31 mSDsluCounter, 3228 SdHoareTripleChecker+Invalid, 10.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2923 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 467 IncrementalHoareTripleChecker+Invalid, 491 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 651 mSDtfsCounter, 467 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=496occurred in iteration=1, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 32 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 2/2 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! [2021-11-20 23:37:30,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c9df64d-3f8d-4ba9-9d1c-35a43ce7c48f/bin/utaipan-TEXQjIfE4P/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE