./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_df4b4659-2f22-4856-a668-a230c18ba6a2/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df4b4659-2f22-4856-a668-a230c18ba6a2/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df4b4659-2f22-4856-a668-a230c18ba6a2/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df4b4659-2f22-4856-a668-a230c18ba6a2/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.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_df4b4659-2f22-4856-a668-a230c18ba6a2/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df4b4659-2f22-4856-a668-a230c18ba6a2/bin/uautomizer-DQz5hQGWxF --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4fa8f711706c6827dfd46bfbbe473b8c8a578e07b4d272918901355226a20b94 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:02:57,540 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:02:57,542 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:02:57,590 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:02:57,592 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:02:57,598 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:02:57,600 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:02:57,604 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:02:57,607 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:02:57,615 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:02:57,616 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:02:57,618 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:02:57,619 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:02:57,622 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:02:57,625 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:02:57,630 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:02:57,634 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:02:57,635 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:02:57,637 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:02:57,640 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:02:57,642 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:02:57,646 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:02:57,649 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:02:57,650 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:02:57,661 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:02:57,662 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:02:57,662 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:02:57,665 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:02:57,665 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:02:57,667 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:02:57,668 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:02:57,669 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:02:57,671 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:02:57,672 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:02:57,673 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:02:57,674 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:02:57,675 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:02:57,675 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:02:57,675 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:02:57,676 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:02:57,677 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:02:57,678 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df4b4659-2f22-4856-a668-a230c18ba6a2/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-20 06:02:57,725 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:02:57,725 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:02:57,726 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:02:57,726 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:02:57,727 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:02:57,727 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:02:57,728 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:02:57,728 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:02:57,728 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:02:57,729 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:02:57,729 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:02:57,729 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:02:57,729 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:02:57,730 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:02:57,730 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:02:57,730 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:02:57,730 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:02:57,731 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:02:57,731 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:02:57,731 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:02:57,731 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:02:57,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:02:57,732 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:02:57,732 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:02:57,732 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:02:57,733 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:02:57,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 06:02:57,733 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 06:02:57,733 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 06:02:57,734 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:02:57,734 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:02:57,734 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df4b4659-2f22-4856-a668-a230c18ba6a2/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df4b4659-2f22-4856-a668-a230c18ba6a2/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fa8f711706c6827dfd46bfbbe473b8c8a578e07b4d272918901355226a20b94 [2021-11-20 06:02:57,980 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:02:58,006 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:02:58,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:02:58,012 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:02:58,013 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:02:58,014 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df4b4659-2f22-4856-a668-a230c18ba6a2/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/ldv-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i [2021-11-20 06:02:58,100 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df4b4659-2f22-4856-a668-a230c18ba6a2/bin/uautomizer-DQz5hQGWxF/data/40d205e0c/2c0c8392c24741f6b688908272776e6d/FLAG7f352b962 [2021-11-20 06:02:58,955 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:02:58,956 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df4b4659-2f22-4856-a668-a230c18ba6a2/sv-benchmarks/c/ldv-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i [2021-11-20 06:02:59,008 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df4b4659-2f22-4856-a668-a230c18ba6a2/bin/uautomizer-DQz5hQGWxF/data/40d205e0c/2c0c8392c24741f6b688908272776e6d/FLAG7f352b962 [2021-11-20 06:02:59,084 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df4b4659-2f22-4856-a668-a230c18ba6a2/bin/uautomizer-DQz5hQGWxF/data/40d205e0c/2c0c8392c24741f6b688908272776e6d [2021-11-20 06:02:59,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:02:59,088 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:02:59,089 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:02:59,089 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:02:59,093 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:02:59,094 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:02:59" (1/1) ... [2021-11-20 06:02:59,095 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58c88bb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:59, skipping insertion in model container [2021-11-20 06:02:59,095 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:02:59" (1/1) ... [2021-11-20 06:02:59,103 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:02:59,210 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:03:00,295 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_df4b4659-2f22-4856-a668-a230c18ba6a2/sv-benchmarks/c/ldv-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i[322047,322060] [2021-11-20 06:03:00,315 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:03:00,416 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:03:00,773 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_df4b4659-2f22-4856-a668-a230c18ba6a2/sv-benchmarks/c/ldv-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i[322047,322060] [2021-11-20 06:03:00,778 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:03:00,928 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:03:00,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:00 WrapperNode [2021-11-20 06:03:00,928 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:03:00,929 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:03:00,930 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:03:00,930 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:03:00,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:00" (1/1) ... [2021-11-20 06:03:01,052 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:00" (1/1) ... [2021-11-20 06:03:01,331 INFO L137 Inliner]: procedures = 101, calls = 3226, calls flagged for inlining = 40, calls inlined = 39, statements flattened = 4167 [2021-11-20 06:03:01,332 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:03:01,333 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:03:01,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:03:01,333 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:03:01,343 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:00" (1/1) ... [2021-11-20 06:03:01,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:00" (1/1) ... [2021-11-20 06:03:01,397 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:00" (1/1) ... [2021-11-20 06:03:01,397 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:00" (1/1) ... [2021-11-20 06:03:01,539 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:00" (1/1) ... [2021-11-20 06:03:01,569 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:00" (1/1) ... [2021-11-20 06:03:01,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:00" (1/1) ... [2021-11-20 06:03:01,639 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:03:01,640 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:03:01,641 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:03:01,641 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:03:01,642 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:00" (1/1) ... [2021-11-20 06:03:01,651 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:03:01,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df4b4659-2f22-4856-a668-a230c18ba6a2/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:03:01,680 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df4b4659-2f22-4856-a668-a230c18ba6a2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:03:01,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df4b4659-2f22-4856-a668-a230c18ba6a2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:03:01,738 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_set_instr [2021-11-20 06:03:01,738 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_set_instr [2021-11-20 06:03:01,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-20 06:03:01,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-20 06:03:01,739 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-20 06:03:01,739 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_reset [2021-11-20 06:03:01,739 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_reset [2021-11-20 06:03:01,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-20 06:03:01,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-20 06:03:01,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 06:03:01,740 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_command [2021-11-20 06:03:01,740 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_command [2021-11-20 06:03:01,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-20 06:03:01,740 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-20 06:03:01,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 06:03:01,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 06:03:01,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_len [2021-11-20 06:03:01,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_len [2021-11-20 06:03:01,823 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-11-20 06:03:01,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-11-20 06:03:01,824 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-20 06:03:01,824 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-20 06:03:01,824 INFO L130 BoogieDeclarations]: Found specification of procedure set_voice_volume [2021-11-20 06:03:01,824 INFO L138 BoogieDeclarations]: Found implementation of procedure set_voice_volume [2021-11-20 06:03:01,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 06:03:01,824 INFO L130 BoogieDeclarations]: Found specification of procedure freq_to_fnum [2021-11-20 06:03:01,824 INFO L138 BoogieDeclarations]: Found implementation of procedure freq_to_fnum [2021-11-20 06:03:01,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__copy_from_user_1 [2021-11-20 06:03:01,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__copy_from_user_1 [2021-11-20 06:03:01,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 06:03:01,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 06:03:01,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 06:03:01,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:03:01,825 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_kill_note [2021-11-20 06:03:01,825 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_kill_note [2021-11-20 06:03:01,826 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-20 06:03:01,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-20 06:03:01,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 06:03:01,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:03:01,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 06:03:01,826 INFO L130 BoogieDeclarations]: Found specification of procedure compute_finetune [2021-11-20 06:03:01,826 INFO L138 BoogieDeclarations]: Found implementation of procedure compute_finetune [2021-11-20 06:03:01,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:03:01,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 06:03:01,827 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-20 06:03:01,827 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-20 06:03:01,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_copy_from_user_7 [2021-11-20 06:03:01,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_copy_from_user_7 [2021-11-20 06:03:01,827 INFO L130 BoogieDeclarations]: Found specification of procedure calc_vol [2021-11-20 06:03:01,827 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_vol [2021-11-20 06:03:01,828 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-11-20 06:03:01,828 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-11-20 06:03:01,828 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-11-20 06:03:01,828 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-11-20 06:03:01,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 06:03:01,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-11-20 06:03:01,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-11-20 06:03:01,829 INFO L130 BoogieDeclarations]: Found specification of procedure store_instr [2021-11-20 06:03:01,829 INFO L138 BoogieDeclarations]: Found implementation of procedure store_instr [2021-11-20 06:03:01,829 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-11-20 06:03:01,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-11-20 06:03:01,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-20 06:03:01,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:03:01,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:03:01,830 INFO L130 BoogieDeclarations]: Found specification of procedure bend_pitch [2021-11-20 06:03:01,830 INFO L138 BoogieDeclarations]: Found implementation of procedure bend_pitch [2021-11-20 06:03:02,275 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:03:02,277 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:03:08,503 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:03:08,526 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:03:08,526 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-20 06:03:08,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:03:08 BoogieIcfgContainer [2021-11-20 06:03:08,531 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:03:08,532 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 06:03:08,533 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 06:03:08,536 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 06:03:08,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:02:59" (1/3) ... [2021-11-20 06:03:08,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@373824b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:03:08, skipping insertion in model container [2021-11-20 06:03:08,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:00" (2/3) ... [2021-11-20 06:03:08,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@373824b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:03:08, skipping insertion in model container [2021-11-20 06:03:08,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:03:08" (3/3) ... [2021-11-20 06:03:08,544 INFO L111 eAbstractionObserver]: Analyzing ICFG m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i [2021-11-20 06:03:08,557 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 06:03:08,557 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 06:03:08,633 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 06:03:08,656 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=PETRI_NET, 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 06:03:08,657 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 06:03:08,706 INFO L276 IsEmpty]: Start isEmpty. Operand has 653 states, 474 states have (on average 1.409282700421941) internal successors, (668), 488 states have internal predecessors, (668), 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 06:03:08,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-20 06:03:08,726 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:03:08,727 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] [2021-11-20 06:03:08,728 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:03:08,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:03:08,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1735898805, now seen corresponding path program 1 times [2021-11-20 06:03:08,749 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:03:08,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047245209] [2021-11-20 06:03:08,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:03:08,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:03:09,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:03:09,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 06:03:09,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:03:09,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:03:09,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:03:09,795 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 06:03:09,795 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:03:09,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047245209] [2021-11-20 06:03:09,796 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047245209] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:03:09,797 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:03:09,797 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:03:09,799 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285095914] [2021-11-20 06:03:09,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:03:09,804 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:03:09,804 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:03:09,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:03:09,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:03:09,845 INFO L87 Difference]: Start difference. First operand has 653 states, 474 states have (on average 1.409282700421941) internal successors, (668), 488 states have internal predecessors, (668), 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 4.2) internal successors, (21), 4 states have internal predecessors, (21), 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 06:03:10,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:03:10,175 INFO L93 Difference]: Finished difference Result 1324 states and 1986 transitions. [2021-11-20 06:03:10,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:03:10,182 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 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 28 [2021-11-20 06:03:10,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:03:10,217 INFO L225 Difference]: With dead ends: 1324 [2021-11-20 06:03:10,217 INFO L226 Difference]: Without dead ends: 661 [2021-11-20 06:03:10,229 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 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 06:03:10,233 INFO L933 BasicCegarLoop]: 981 mSDtfsCounter, 39 mSDsluCounter, 3881 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 4862 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:03:10,234 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 4862 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 06:03:10,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2021-11-20 06:03:10,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 661. [2021-11-20 06:03:10,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 661 states, 477 states have (on average 1.389937106918239) internal successors, (663), 490 states have internal predecessors, (663), 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 06:03:10,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 975 transitions. [2021-11-20 06:03:10,365 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 975 transitions. Word has length 28 [2021-11-20 06:03:10,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:03:10,366 INFO L470 AbstractCegarLoop]: Abstraction has 661 states and 975 transitions. [2021-11-20 06:03:10,366 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 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 06:03:10,367 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 975 transitions. [2021-11-20 06:03:10,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-20 06:03:10,372 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:03:10,372 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, 1, 1, 1] [2021-11-20 06:03:10,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 06:03:10,373 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:03:10,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:03:10,374 INFO L85 PathProgramCache]: Analyzing trace with hash -137674439, now seen corresponding path program 1 times [2021-11-20 06:03:10,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:03:10,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741473937] [2021-11-20 06:03:10,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:03:10,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:03:11,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:03:11,059 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:03:11,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:03:11,800 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:03:11,800 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-20 06:03:11,802 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 06:03:11,807 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 06:03:11,811 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-20 06:03:11,814 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 06:03:11,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 06:03:11 BoogieIcfgContainer [2021-11-20 06:03:11,927 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 06:03:11,928 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 06:03:11,928 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 06:03:11,928 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 06:03:11,929 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:03:08" (3/4) ... [2021-11-20 06:03:11,931 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-20 06:03:12,144 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df4b4659-2f22-4856-a668-a230c18ba6a2/bin/uautomizer-DQz5hQGWxF/witness.graphml [2021-11-20 06:03:12,145 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 06:03:12,145 INFO L158 Benchmark]: Toolchain (without parser) took 13057.66ms. Allocated memory was 88.1MB in the beginning and 360.7MB in the end (delta: 272.6MB). Free memory was 61.2MB in the beginning and 183.6MB in the end (delta: -122.4MB). Peak memory consumption was 150.5MB. Max. memory is 16.1GB. [2021-11-20 06:03:12,146 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 88.1MB. Free memory was 59.9MB in the beginning and 59.9MB in the end (delta: 21.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:03:12,146 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1839.56ms. Allocated memory was 88.1MB in the beginning and 138.4MB in the end (delta: 50.3MB). Free memory was 61.2MB in the beginning and 83.2MB in the end (delta: -21.9MB). Peak memory consumption was 50.7MB. Max. memory is 16.1GB. [2021-11-20 06:03:12,147 INFO L158 Benchmark]: Boogie Procedure Inliner took 402.58ms. Allocated memory is still 138.4MB. Free memory was 83.2MB in the beginning and 77.8MB in the end (delta: 5.4MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. [2021-11-20 06:03:12,147 INFO L158 Benchmark]: Boogie Preprocessor took 306.76ms. Allocated memory is still 138.4MB. Free memory was 77.8MB in the beginning and 53.2MB in the end (delta: 24.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-20 06:03:12,148 INFO L158 Benchmark]: RCFGBuilder took 6890.21ms. Allocated memory was 138.4MB in the beginning and 360.7MB in the end (delta: 222.3MB). Free memory was 53.2MB in the beginning and 179.0MB in the end (delta: -125.8MB). Peak memory consumption was 135.3MB. Max. memory is 16.1GB. [2021-11-20 06:03:12,148 INFO L158 Benchmark]: TraceAbstraction took 3394.70ms. Allocated memory is still 360.7MB. Free memory was 179.0MB in the beginning and 229.5MB in the end (delta: -50.6MB). Peak memory consumption was 90.8MB. Max. memory is 16.1GB. [2021-11-20 06:03:12,148 INFO L158 Benchmark]: Witness Printer took 217.04ms. Allocated memory is still 360.7MB. Free memory was 229.5MB in the beginning and 183.6MB in the end (delta: 45.9MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2021-11-20 06:03:12,150 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 88.1MB. Free memory was 59.9MB in the beginning and 59.9MB in the end (delta: 21.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1839.56ms. Allocated memory was 88.1MB in the beginning and 138.4MB in the end (delta: 50.3MB). Free memory was 61.2MB in the beginning and 83.2MB in the end (delta: -21.9MB). Peak memory consumption was 50.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 402.58ms. Allocated memory is still 138.4MB. Free memory was 83.2MB in the beginning and 77.8MB in the end (delta: 5.4MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 306.76ms. Allocated memory is still 138.4MB. Free memory was 77.8MB in the beginning and 53.2MB in the end (delta: 24.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * RCFGBuilder took 6890.21ms. Allocated memory was 138.4MB in the beginning and 360.7MB in the end (delta: 222.3MB). Free memory was 53.2MB in the beginning and 179.0MB in the end (delta: -125.8MB). Peak memory consumption was 135.3MB. Max. memory is 16.1GB. * TraceAbstraction took 3394.70ms. Allocated memory is still 360.7MB. Free memory was 179.0MB in the beginning and 229.5MB in the end (delta: -50.6MB). Peak memory consumption was 90.8MB. Max. memory is 16.1GB. * Witness Printer took 217.04ms. Allocated memory is still 360.7MB. Free memory was 229.5MB in the beginning and 183.6MB in the end (delta: 45.9MB). 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, 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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}}}, 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, (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 ; VAL [__this_module={27670116110564327429:27670116110564327425}, detected_model=0, devc={0:0}, fm_volume_table={25:0}, io=-1, LDV_IN_INTERRUPT=0, me=0, opl3_operations={26:0}, pv_map={24:0}] [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={27670116110564327429:27670116110564327425}, 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={27670116110564327429:27670116110564327425}, 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={27670116110564327429:27670116110564327425}, 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={27670116110564327429:27670116110564327425}, 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 VAL [__this_module={27670116110564327429:27670116110564327425}, 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___1=-22] [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={27670116110564327429:27670116110564327425}, 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={27670116110564327429:27670116110564327425}, 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)=27670116110564327426, \old(format)=27670116110564327430, \old(offs)=27670116110564327424, \old(pmgr_flag)=27670116110564327427, __this_module={27670116110564327429:27670116110564327425}, addr={27670116110564327428:9223372036854775808}, addr={27670116110564327428:9223372036854775808}, count=4294967336, detected_model=0, dev=27670116110564327426, devc={0:0}, fm_volume_table={25:0}, format=27670116110564327430, ins={131:0}, io=-1, LDV_IN_INTERRUPT=1, me=0, offs=27670116110564327424, opl3_operations={26:0}, pmgr_flag=27670116110564327427, pv_map={24:0}] [L3371] COND FALSE !((unsigned int )count <= 39U) VAL [\old(count)=4294967336, \old(dev)=27670116110564327426, \old(format)=27670116110564327430, \old(offs)=27670116110564327424, \old(pmgr_flag)=27670116110564327427, __this_module={27670116110564327429:27670116110564327425}, addr={27670116110564327428:9223372036854775808}, addr={27670116110564327428:9223372036854775808}, count=4294967336, detected_model=0, dev=27670116110564327426, devc={0:0}, fm_volume_table={25:0}, format=27670116110564327430, ins={131:0}, io=-1, LDV_IN_INTERRUPT=1, me=0, offs=27670116110564327424, opl3_operations={26:0}, pmgr_flag=27670116110564327427, 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={27670116110564327429:27670116110564327425}, 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)=-27670116110564327384, __this_module={27670116110564327429:27670116110564327425}, detected_model=0, devc={0:0}, fm_volume_table={25:0}, from={27670116110564327428:0}, from={27670116110564327428:0}, io=-1, LDV_IN_INTERRUPT=1, me=0, n=-27670116110564327384, opl3_operations={26:0}, pv_map={24:0}, to={131:-9223372036854775808}, to={131:-9223372036854775808}] [L6160] CALL ldv_check_len((long )n) VAL [__this_module={27670116110564327429:27670116110564327425}, 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={27670116110564327429:27670116110564327425}, 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, 653 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 39 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 39 mSDsluCounter, 4862 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3881 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38 IncrementalHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 981 mSDtfsCounter, 38 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=661occurred 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, 1.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 35 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 06:03:12,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df4b4659-2f22-4856-a668-a230c18ba6a2/bin/uautomizer-DQz5hQGWxF/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