./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04688e4-51af-4d91-917d-faf9dbef35f7/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04688e4-51af-4d91-917d-faf9dbef35f7/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04688e4-51af-4d91-917d-faf9dbef35f7/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04688e4-51af-4d91-917d-faf9dbef35f7/bin/uautomizer-DrprNOufMa/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_e04688e4-51af-4d91-917d-faf9dbef35f7/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04688e4-51af-4d91-917d-faf9dbef35f7/bin/uautomizer-DrprNOufMa --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 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 00:52:48,139 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 00:52:48,141 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 00:52:48,171 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 00:52:48,172 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 00:52:48,173 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 00:52:48,175 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 00:52:48,177 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 00:52:48,179 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 00:52:48,180 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 00:52:48,182 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 00:52:48,183 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 00:52:48,183 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 00:52:48,184 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 00:52:48,186 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 00:52:48,187 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 00:52:48,188 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 00:52:48,189 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 00:52:48,192 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 00:52:48,194 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 00:52:48,196 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 00:52:48,198 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 00:52:48,199 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 00:52:48,200 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 00:52:48,204 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 00:52:48,204 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 00:52:48,204 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 00:52:48,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 00:52:48,206 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 00:52:48,207 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 00:52:48,208 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 00:52:48,209 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 00:52:48,209 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 00:52:48,210 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 00:52:48,211 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 00:52:48,211 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 00:52:48,212 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 00:52:48,212 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 00:52:48,212 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 00:52:48,213 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 00:52:48,213 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 00:52:48,214 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04688e4-51af-4d91-917d-faf9dbef35f7/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-07 00:52:48,237 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 00:52:48,237 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 00:52:48,237 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 00:52:48,237 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 00:52:48,238 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 00:52:48,238 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 00:52:48,239 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 00:52:48,239 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 00:52:48,239 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 00:52:48,239 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 00:52:48,240 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 00:52:48,240 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 00:52:48,240 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 00:52:48,240 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 00:52:48,240 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 00:52:48,241 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 00:52:48,241 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 00:52:48,241 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 00:52:48,241 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 00:52:48,241 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 00:52:48,242 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 00:52:48,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:52:48,242 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 00:52:48,242 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 00:52:48,242 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 00:52:48,242 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 00:52:48,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 00:52:48,249 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 00:52:48,249 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-07 00:52:48,249 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 00:52:48,249 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 00:52:48,250 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_e04688e4-51af-4d91-917d-faf9dbef35f7/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04688e4-51af-4d91-917d-faf9dbef35f7/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fa8f711706c6827dfd46bfbbe473b8c8a578e07b4d272918901355226a20b94 [2021-12-07 00:52:48,440 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 00:52:48,458 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 00:52:48,461 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 00:52:48,462 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 00:52:48,463 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 00:52:48,464 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04688e4-51af-4d91-917d-faf9dbef35f7/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i [2021-12-07 00:52:48,506 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04688e4-51af-4d91-917d-faf9dbef35f7/bin/uautomizer-DrprNOufMa/data/95643cd12/dbd46c42a76446f18e24d979c564a604/FLAGe0ff54d68 [2021-12-07 00:52:49,076 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 00:52:49,077 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04688e4-51af-4d91-917d-faf9dbef35f7/sv-benchmarks/c/ldv-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i [2021-12-07 00:52:49,107 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04688e4-51af-4d91-917d-faf9dbef35f7/bin/uautomizer-DrprNOufMa/data/95643cd12/dbd46c42a76446f18e24d979c564a604/FLAGe0ff54d68 [2021-12-07 00:52:49,539 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04688e4-51af-4d91-917d-faf9dbef35f7/bin/uautomizer-DrprNOufMa/data/95643cd12/dbd46c42a76446f18e24d979c564a604 [2021-12-07 00:52:49,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 00:52:49,542 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 00:52:49,543 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 00:52:49,543 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 00:52:49,550 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 00:52:49,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:52:49" (1/1) ... [2021-12-07 00:52:49,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23213a35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:52:49, skipping insertion in model container [2021-12-07 00:52:49,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:52:49" (1/1) ... [2021-12-07 00:52:49,558 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 00:52:49,662 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 00:52:50,201 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_e04688e4-51af-4d91-917d-faf9dbef35f7/sv-benchmarks/c/ldv-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i[322047,322060] [2021-12-07 00:52:50,216 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:52:50,273 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 00:52:50,401 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_e04688e4-51af-4d91-917d-faf9dbef35f7/sv-benchmarks/c/ldv-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i[322047,322060] [2021-12-07 00:52:50,405 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:52:50,471 INFO L208 MainTranslator]: Completed translation [2021-12-07 00:52:50,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:52:50 WrapperNode [2021-12-07 00:52:50,471 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 00:52:50,472 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 00:52:50,472 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 00:52:50,472 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 00:52:50,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:52:50" (1/1) ... [2021-12-07 00:52:50,516 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:52:50" (1/1) ... [2021-12-07 00:52:50,612 INFO L137 Inliner]: procedures = 101, calls = 3226, calls flagged for inlining = 40, calls inlined = 39, statements flattened = 4167 [2021-12-07 00:52:50,613 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 00:52:50,613 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 00:52:50,613 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 00:52:50,613 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 00:52:50,620 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:52:50" (1/1) ... [2021-12-07 00:52:50,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:52:50" (1/1) ... [2021-12-07 00:52:50,637 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:52:50" (1/1) ... [2021-12-07 00:52:50,637 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:52:50" (1/1) ... [2021-12-07 00:52:50,730 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:52:50" (1/1) ... [2021-12-07 00:52:50,743 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:52:50" (1/1) ... [2021-12-07 00:52:50,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:52:50" (1/1) ... [2021-12-07 00:52:50,773 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 00:52:50,774 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 00:52:50,774 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 00:52:50,774 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 00:52:50,775 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:52:50" (1/1) ... [2021-12-07 00:52:50,781 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:52:50,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04688e4-51af-4d91-917d-faf9dbef35f7/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:52:50,798 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04688e4-51af-4d91-917d-faf9dbef35f7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 00:52:50,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04688e4-51af-4d91-917d-faf9dbef35f7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 00:52:50,836 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_set_instr [2021-12-07 00:52:50,836 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_set_instr [2021-12-07 00:52:50,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-07 00:52:50,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-07 00:52:50,836 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-07 00:52:50,837 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_reset [2021-12-07 00:52:50,837 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_reset [2021-12-07 00:52:50,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-07 00:52:50,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-07 00:52:50,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-07 00:52:50,837 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_command [2021-12-07 00:52:50,837 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_command [2021-12-07 00:52:50,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-07 00:52:50,837 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-07 00:52:50,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-07 00:52:50,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-07 00:52:50,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_len [2021-12-07 00:52:50,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_len [2021-12-07 00:52:50,838 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-07 00:52:50,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-07 00:52:50,838 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-07 00:52:50,838 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-07 00:52:50,839 INFO L130 BoogieDeclarations]: Found specification of procedure set_voice_volume [2021-12-07 00:52:50,839 INFO L138 BoogieDeclarations]: Found implementation of procedure set_voice_volume [2021-12-07 00:52:50,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-07 00:52:50,839 INFO L130 BoogieDeclarations]: Found specification of procedure freq_to_fnum [2021-12-07 00:52:50,839 INFO L138 BoogieDeclarations]: Found implementation of procedure freq_to_fnum [2021-12-07 00:52:50,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__copy_from_user_1 [2021-12-07 00:52:50,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__copy_from_user_1 [2021-12-07 00:52:50,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-07 00:52:50,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-07 00:52:50,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-07 00:52:50,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 00:52:50,840 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_kill_note [2021-12-07 00:52:50,840 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_kill_note [2021-12-07 00:52:50,840 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-07 00:52:50,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-07 00:52:50,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-07 00:52:50,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 00:52:50,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-07 00:52:50,840 INFO L130 BoogieDeclarations]: Found specification of procedure compute_finetune [2021-12-07 00:52:50,841 INFO L138 BoogieDeclarations]: Found implementation of procedure compute_finetune [2021-12-07 00:52:50,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 00:52:50,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-07 00:52:50,841 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-07 00:52:50,841 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-07 00:52:50,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_copy_from_user_7 [2021-12-07 00:52:50,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_copy_from_user_7 [2021-12-07 00:52:50,841 INFO L130 BoogieDeclarations]: Found specification of procedure calc_vol [2021-12-07 00:52:50,841 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_vol [2021-12-07 00:52:50,841 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-07 00:52:50,842 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-07 00:52:50,842 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-07 00:52:50,842 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-07 00:52:50,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 00:52:50,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-12-07 00:52:50,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-12-07 00:52:50,842 INFO L130 BoogieDeclarations]: Found specification of procedure store_instr [2021-12-07 00:52:50,842 INFO L138 BoogieDeclarations]: Found implementation of procedure store_instr [2021-12-07 00:52:50,842 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-12-07 00:52:50,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-12-07 00:52:50,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-07 00:52:50,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 00:52:50,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 00:52:50,843 INFO L130 BoogieDeclarations]: Found specification of procedure bend_pitch [2021-12-07 00:52:50,843 INFO L138 BoogieDeclarations]: Found implementation of procedure bend_pitch [2021-12-07 00:52:51,065 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 00:52:51,067 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 00:52:54,487 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 00:52:54,497 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 00:52:54,498 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-07 00:52:54,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:52:54 BoogieIcfgContainer [2021-12-07 00:52:54,500 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 00:52:54,501 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 00:52:54,501 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 00:52:54,504 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 00:52:54,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:52:49" (1/3) ... [2021-12-07 00:52:54,505 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@548e259f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:52:54, skipping insertion in model container [2021-12-07 00:52:54,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:52:50" (2/3) ... [2021-12-07 00:52:54,505 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@548e259f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:52:54, skipping insertion in model container [2021-12-07 00:52:54,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:52:54" (3/3) ... [2021-12-07 00:52:54,506 INFO L111 eAbstractionObserver]: Analyzing ICFG m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i [2021-12-07 00:52:54,510 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 00:52:54,510 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-07 00:52:54,552 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 00:52:54,558 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 [2021-12-07 00:52:54,558 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-07 00:52:54,588 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) [2021-12-07 00:52:54,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-12-07 00:52:54,597 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:52:54,598 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] [2021-12-07 00:52:54,598 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:52:54,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:52:54,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1735898805, now seen corresponding path program 1 times [2021-12-07 00:52:54,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:52:54,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136483428] [2021-12-07 00:52:54,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:52:54,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:52:54,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:52:55,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:52:55,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:52:55,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-07 00:52:55,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:52:55,210 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-07 00:52:55,211 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:52:55,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136483428] [2021-12-07 00:52:55,212 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136483428] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:52:55,212 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:52:55,212 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:52:55,213 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951058895] [2021-12-07 00:52:55,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:52:55,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:52:55,217 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:52:55,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:52:55,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:52:55,242 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) [2021-12-07 00:52:55,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:52:55,425 INFO L93 Difference]: Finished difference Result 1324 states and 1986 transitions. [2021-12-07 00:52:55,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:52:55,428 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 [2021-12-07 00:52:55,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:52:55,447 INFO L225 Difference]: With dead ends: 1324 [2021-12-07 00:52:55,448 INFO L226 Difference]: Without dead ends: 661 [2021-12-07 00:52:55,459 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 [2021-12-07 00:52:55,463 INFO L933 BasicCegarLoop]: 981 mSDtfsCounter, 39 mSDsluCounter, 3881 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:52:55,464 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 4862 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 00:52:55,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2021-12-07 00:52:55,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 661. [2021-12-07 00:52:55,548 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) [2021-12-07 00:52:55,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 975 transitions. [2021-12-07 00:52:55,555 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 975 transitions. Word has length 28 [2021-12-07 00:52:55,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:52:55,556 INFO L470 AbstractCegarLoop]: Abstraction has 661 states and 975 transitions. [2021-12-07 00:52:55,556 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) [2021-12-07 00:52:55,556 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 975 transitions. [2021-12-07 00:52:55,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-12-07 00:52:55,559 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:52:55,560 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] [2021-12-07 00:52:55,560 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 00:52:55,560 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:52:55,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:52:55,561 INFO L85 PathProgramCache]: Analyzing trace with hash -137674439, now seen corresponding path program 1 times [2021-12-07 00:52:55,561 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:52:55,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597563015] [2021-12-07 00:52:55,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:52:55,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:52:55,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:52:55,980 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:52:56,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:52:56,402 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:52:56,402 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-07 00:52:56,403 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-07 00:52:56,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-07 00:52:56,407 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-12-07 00:52:56,410 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-07 00:52:56,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:52:56 BoogieIcfgContainer [2021-12-07 00:52:56,484 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-07 00:52:56,484 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-07 00:52:56,484 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-07 00:52:56,485 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-07 00:52:56,485 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:52:54" (3/4) ... [2021-12-07 00:52:56,487 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-12-07 00:52:56,616 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04688e4-51af-4d91-917d-faf9dbef35f7/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-07 00:52:56,616 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-07 00:52:56,617 INFO L158 Benchmark]: Toolchain (without parser) took 7074.48ms. Allocated memory was 111.1MB in the beginning and 285.2MB in the end (delta: 174.1MB). Free memory was 81.5MB in the beginning and 69.6MB in the end (delta: 11.9MB). Peak memory consumption was 184.3MB. Max. memory is 16.1GB. [2021-12-07 00:52:56,617 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 81.8MB. Free memory was 58.5MB in the beginning and 58.5MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 00:52:56,617 INFO L158 Benchmark]: CACSL2BoogieTranslator took 928.66ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 81.1MB in the beginning and 87.9MB in the end (delta: -6.8MB). Peak memory consumption was 56.2MB. Max. memory is 16.1GB. [2021-12-07 00:52:56,617 INFO L158 Benchmark]: Boogie Procedure Inliner took 140.72ms. Allocated memory is still 134.2MB. Free memory was 87.9MB in the beginning and 58.6MB in the end (delta: 29.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2021-12-07 00:52:56,617 INFO L158 Benchmark]: Boogie Preprocessor took 160.32ms. Allocated memory is still 134.2MB. Free memory was 58.6MB in the beginning and 58.8MB in the end (delta: -244.4kB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2021-12-07 00:52:56,618 INFO L158 Benchmark]: RCFGBuilder took 3726.08ms. Allocated memory was 134.2MB in the beginning and 237.0MB in the end (delta: 102.8MB). Free memory was 58.8MB in the beginning and 116.4MB in the end (delta: -57.6MB). Peak memory consumption was 117.9MB. Max. memory is 16.1GB. [2021-12-07 00:52:56,618 INFO L158 Benchmark]: TraceAbstraction took 1982.46ms. Allocated memory was 237.0MB in the beginning and 285.2MB in the end (delta: 48.2MB). Free memory was 115.4MB in the beginning and 116.1MB in the end (delta: -746.1kB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. [2021-12-07 00:52:56,618 INFO L158 Benchmark]: Witness Printer took 131.70ms. Allocated memory is still 285.2MB. Free memory was 116.1MB in the beginning and 69.6MB in the end (delta: 46.5MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2021-12-07 00:52:56,620 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 81.8MB. Free memory was 58.5MB in the beginning and 58.5MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 928.66ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 81.1MB in the beginning and 87.9MB in the end (delta: -6.8MB). Peak memory consumption was 56.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 140.72ms. Allocated memory is still 134.2MB. Free memory was 87.9MB in the beginning and 58.6MB in the end (delta: 29.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 160.32ms. Allocated memory is still 134.2MB. Free memory was 58.6MB in the beginning and 58.8MB in the end (delta: -244.4kB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. * RCFGBuilder took 3726.08ms. Allocated memory was 134.2MB in the beginning and 237.0MB in the end (delta: 102.8MB). Free memory was 58.8MB in the beginning and 116.4MB in the end (delta: -57.6MB). Peak memory consumption was 117.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1982.46ms. Allocated memory was 237.0MB in the beginning and 285.2MB in the end (delta: 48.2MB). Free memory was 115.4MB in the beginning and 116.1MB in the end (delta: -746.1kB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. * Witness Printer took 131.70ms. Allocated memory is still 285.2MB. Free memory was 116.1MB in the beginning and 69.6MB in the end (delta: 46.5MB). Peak memory consumption was 48.2MB. 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: 1.9s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 39 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 39 mSDsluCounter, 4862 SdHoareTripleChecker+Invalid, 0.0s 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: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 47 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! [2021-12-07 00:52:56,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04688e4-51af-4d91-917d-faf9dbef35f7/bin/uautomizer-DrprNOufMa/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