./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_8bd94c85-1fe2-4a3e-9287-d451d26bb044/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bd94c85-1fe2-4a3e-9287-d451d26bb044/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bd94c85-1fe2-4a3e-9287-d451d26bb044/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bd94c85-1fe2-4a3e-9287-d451d26bb044/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bd94c85-1fe2-4a3e-9287-d451d26bb044/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bd94c85-1fe2-4a3e-9287-d451d26bb044/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4fa8f711706c6827dfd46bfbbe473b8c8a578e07b4d272918901355226a20b94 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:01:49,248 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:01:49,250 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:01:49,282 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:01:49,282 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:01:49,284 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:01:49,285 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:01:49,287 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:01:49,293 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:01:49,295 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:01:49,296 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:01:49,298 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:01:49,300 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:01:49,303 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:01:49,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:01:49,308 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:01:49,309 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:01:49,310 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:01:49,312 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:01:49,314 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:01:49,316 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:01:49,318 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:01:49,319 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:01:49,320 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:01:49,324 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:01:49,324 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:01:49,325 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:01:49,326 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:01:49,326 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:01:49,328 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:01:49,328 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:01:49,329 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:01:49,330 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:01:49,331 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:01:49,332 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:01:49,332 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:01:49,333 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:01:49,333 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:01:49,334 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:01:49,338 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:01:49,338 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:01:49,340 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bd94c85-1fe2-4a3e-9287-d451d26bb044/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 19:01:49,384 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:01:49,385 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:01:49,385 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:01:49,385 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:01:49,386 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:01:49,386 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:01:49,386 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:01:49,386 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:01:49,387 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:01:49,387 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:01:49,387 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:01:49,387 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:01:49,387 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:01:49,388 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:01:49,388 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:01:49,388 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:01:49,388 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:01:49,388 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:01:49,395 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:01:49,395 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:01:49,395 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:01:49,395 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:01:49,396 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:01:49,396 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:01:49,396 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:01:49,396 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:01:49,397 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:01:49,397 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:01:49,398 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:01:49,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:01:49,398 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:01:49,399 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:01:49,399 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:01:49,399 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:01:49,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:01:49,399 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:01:49,400 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:01:49,401 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:01:49,401 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bd94c85-1fe2-4a3e-9287-d451d26bb044/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bd94c85-1fe2-4a3e-9287-d451d26bb044/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fa8f711706c6827dfd46bfbbe473b8c8a578e07b4d272918901355226a20b94 [2021-11-25 19:01:49,667 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:01:49,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:01:49,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:01:49,691 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:01:49,692 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:01:49,693 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bd94c85-1fe2-4a3e-9287-d451d26bb044/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i [2021-11-25 19:01:49,761 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bd94c85-1fe2-4a3e-9287-d451d26bb044/bin/utaipan-eEHZpOm5b7/data/edb65a38a/d62a640c29b64c8698e63b4546e994a1/FLAG9eaf4570c [2021-11-25 19:01:50,606 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:01:50,608 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bd94c85-1fe2-4a3e-9287-d451d26bb044/sv-benchmarks/c/ldv-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i [2021-11-25 19:01:50,669 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bd94c85-1fe2-4a3e-9287-d451d26bb044/bin/utaipan-eEHZpOm5b7/data/edb65a38a/d62a640c29b64c8698e63b4546e994a1/FLAG9eaf4570c [2021-11-25 19:01:51,152 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bd94c85-1fe2-4a3e-9287-d451d26bb044/bin/utaipan-eEHZpOm5b7/data/edb65a38a/d62a640c29b64c8698e63b4546e994a1 [2021-11-25 19:01:51,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:01:51,156 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:01:51,158 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:01:51,158 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:01:51,161 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:01:51,162 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:01:51" (1/1) ... [2021-11-25 19:01:51,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66eec7c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:51, skipping insertion in model container [2021-11-25 19:01:51,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:01:51" (1/1) ... [2021-11-25 19:01:51,170 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:01:51,284 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:01:52,204 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_8bd94c85-1fe2-4a3e-9287-d451d26bb044/sv-benchmarks/c/ldv-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i[322047,322060] [2021-11-25 19:01:52,236 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:01:52,400 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:01:52,650 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_8bd94c85-1fe2-4a3e-9287-d451d26bb044/sv-benchmarks/c/ldv-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i[322047,322060] [2021-11-25 19:01:52,685 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:01:52,795 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:01:52,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:52 WrapperNode [2021-11-25 19:01:52,796 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:01:52,797 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:01:52,797 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:01:52,797 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:01:52,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:52" (1/1) ... [2021-11-25 19:01:52,896 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:52" (1/1) ... [2021-11-25 19:01:53,108 INFO L137 Inliner]: procedures = 101, calls = 3226, calls flagged for inlining = 40, calls inlined = 39, statements flattened = 4167 [2021-11-25 19:01:53,109 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:01:53,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:01:53,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:01:53,111 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:01:53,119 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:52" (1/1) ... [2021-11-25 19:01:53,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:52" (1/1) ... [2021-11-25 19:01:53,173 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:52" (1/1) ... [2021-11-25 19:01:53,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:52" (1/1) ... [2021-11-25 19:01:53,352 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:52" (1/1) ... [2021-11-25 19:01:53,384 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:52" (1/1) ... [2021-11-25 19:01:53,409 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:52" (1/1) ... [2021-11-25 19:01:53,434 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:01:53,435 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:01:53,437 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:01:53,437 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:01:53,438 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:52" (1/1) ... [2021-11-25 19:01:53,446 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:01:53,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bd94c85-1fe2-4a3e-9287-d451d26bb044/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:01:53,474 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bd94c85-1fe2-4a3e-9287-d451d26bb044/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:01:53,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bd94c85-1fe2-4a3e-9287-d451d26bb044/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:01:53,520 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_set_instr [2021-11-25 19:01:53,521 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_set_instr [2021-11-25 19:01:53,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 19:01:53,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-25 19:01:53,521 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-25 19:01:53,521 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_reset [2021-11-25 19:01:53,521 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_reset [2021-11-25 19:01:53,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 19:01:53,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 19:01:53,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 19:01:53,522 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_command [2021-11-25 19:01:53,522 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_command [2021-11-25 19:01:53,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-25 19:01:53,522 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-25 19:01:53,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 19:01:53,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 19:01:53,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_len [2021-11-25 19:01:53,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_len [2021-11-25 19:01:53,523 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-11-25 19:01:53,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-11-25 19:01:53,523 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-25 19:01:53,524 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-25 19:01:53,524 INFO L130 BoogieDeclarations]: Found specification of procedure set_voice_volume [2021-11-25 19:01:53,524 INFO L138 BoogieDeclarations]: Found implementation of procedure set_voice_volume [2021-11-25 19:01:53,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 19:01:53,524 INFO L130 BoogieDeclarations]: Found specification of procedure freq_to_fnum [2021-11-25 19:01:53,524 INFO L138 BoogieDeclarations]: Found implementation of procedure freq_to_fnum [2021-11-25 19:01:53,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__copy_from_user_1 [2021-11-25 19:01:53,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__copy_from_user_1 [2021-11-25 19:01:53,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 19:01:53,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 19:01:53,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 19:01:53,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:01:53,525 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_kill_note [2021-11-25 19:01:53,525 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_kill_note [2021-11-25 19:01:53,526 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-25 19:01:53,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-25 19:01:53,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 19:01:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 19:01:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 19:01:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure compute_finetune [2021-11-25 19:01:53,527 INFO L138 BoogieDeclarations]: Found implementation of procedure compute_finetune [2021-11-25 19:01:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 19:01:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 19:01:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-25 19:01:53,528 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-25 19:01:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_copy_from_user_7 [2021-11-25 19:01:53,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_copy_from_user_7 [2021-11-25 19:01:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure calc_vol [2021-11-25 19:01:53,529 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_vol [2021-11-25 19:01:53,530 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-11-25 19:01:53,530 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-11-25 19:01:53,530 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-11-25 19:01:53,531 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-11-25 19:01:53,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 19:01:53,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-11-25 19:01:53,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-11-25 19:01:53,531 INFO L130 BoogieDeclarations]: Found specification of procedure store_instr [2021-11-25 19:01:53,531 INFO L138 BoogieDeclarations]: Found implementation of procedure store_instr [2021-11-25 19:01:53,532 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-11-25 19:01:53,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-11-25 19:01:53,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-25 19:01:53,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:01:53,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:01:53,532 INFO L130 BoogieDeclarations]: Found specification of procedure bend_pitch [2021-11-25 19:01:53,533 INFO L138 BoogieDeclarations]: Found implementation of procedure bend_pitch [2021-11-25 19:01:53,884 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:01:53,887 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:01:58,976 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:01:59,530 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:01:59,530 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-25 19:01:59,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:01:59 BoogieIcfgContainer [2021-11-25 19:01:59,535 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:01:59,537 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:01:59,537 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:01:59,541 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:01:59,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:01:51" (1/3) ... [2021-11-25 19:01:59,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69fd4969 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:01:59, skipping insertion in model container [2021-11-25 19:01:59,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:52" (2/3) ... [2021-11-25 19:01:59,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69fd4969 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:01:59, skipping insertion in model container [2021-11-25 19:01:59,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:01:59" (3/3) ... [2021-11-25 19:01:59,551 INFO L111 eAbstractionObserver]: Analyzing ICFG m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i [2021-11-25 19:01:59,556 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:01:59,556 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 19:01:59,601 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 19:01:59,608 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 19:01:59,609 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 19:01:59,657 INFO L276 IsEmpty]: Start isEmpty. Operand has 486 states, 307 states have (on average 1.4006514657980456) internal successors, (430), 321 states have internal predecessors, (430), 152 states have call successors, (152), 25 states have call predecessors, (152), 25 states have return successors, (152), 148 states have call predecessors, (152), 152 states have call successors, (152) [2021-11-25 19:01:59,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 19:01:59,666 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:01:59,667 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:01:59,667 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:01:59,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:01:59,672 INFO L85 PathProgramCache]: Analyzing trace with hash -953461904, now seen corresponding path program 1 times [2021-11-25 19:01:59,683 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:01:59,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47532675] [2021-11-25 19:01:59,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:01:59,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:02:00,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:02:00,576 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 19:02:00,576 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:02:00,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47532675] [2021-11-25 19:02:00,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47532675] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:02:00,578 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:02:00,578 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-25 19:02:00,579 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606756946] [2021-11-25 19:02:00,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:02:00,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 19:02:00,584 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:02:00,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 19:02:00,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-25 19:02:00,623 INFO L87 Difference]: Start difference. First operand has 486 states, 307 states have (on average 1.4006514657980456) internal successors, (430), 321 states have internal predecessors, (430), 152 states have call successors, (152), 25 states have call predecessors, (152), 25 states have return successors, (152), 148 states have call predecessors, (152), 152 states have call successors, (152) Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 19:02:02,839 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:02:03,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:02:03,983 INFO L93 Difference]: Finished difference Result 987 states and 1500 transitions. [2021-11-25 19:02:03,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 19:02:03,985 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2021-11-25 19:02:03,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:02:04,003 INFO L225 Difference]: With dead ends: 987 [2021-11-25 19:02:04,003 INFO L226 Difference]: Without dead ends: 496 [2021-11-25 19:02:04,017 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-25 19:02:04,020 INFO L933 BasicCegarLoop]: 651 mSDtfsCounter, 31 mSDsluCounter, 2919 mSDsCounter, 0 mSdLazyCounter, 466 mSolverCounterSat, 20 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 3228 SdHoareTripleChecker+Invalid, 487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 466 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-25 19:02:04,021 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 3228 Invalid, 487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 466 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2021-11-25 19:02:04,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2021-11-25 19:02:04,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 496. [2021-11-25 19:02:04,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 496 states, 312 states have (on average 1.3717948717948718) internal successors, (428), 325 states have internal predecessors, (428), 156 states have call successors, (156), 27 states have call predecessors, (156), 27 states have return successors, (156), 152 states have call predecessors, (156), 156 states have call successors, (156) [2021-11-25 19:02:04,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 740 transitions. [2021-11-25 19:02:04,136 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 740 transitions. Word has length 25 [2021-11-25 19:02:04,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:02:04,138 INFO L470 AbstractCegarLoop]: Abstraction has 496 states and 740 transitions. [2021-11-25 19:02:04,138 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 19:02:04,138 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 740 transitions. [2021-11-25 19:02:04,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 19:02:04,150 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:02:04,150 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:02:04,150 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 19:02:04,150 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:02:04,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:02:04,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1971791284, now seen corresponding path program 1 times [2021-11-25 19:02:04,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:02:04,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595691743] [2021-11-25 19:02:04,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:02:04,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:02:04,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 19:02:04,843 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-25 19:02:05,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 19:02:05,297 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-25 19:02:05,297 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-25 19:02:05,299 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-25 19:02:05,301 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 19:02:05,304 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-25 19:02:05,307 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-25 19:02:05,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 07:02:05 BoogieIcfgContainer [2021-11-25 19:02:05,382 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 19:02:05,382 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 19:02:05,383 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 19:02:05,383 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 19:02:05,383 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:01:59" (3/4) ... [2021-11-25 19:02:05,385 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-25 19:02:05,625 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bd94c85-1fe2-4a3e-9287-d451d26bb044/bin/utaipan-eEHZpOm5b7/witness.graphml [2021-11-25 19:02:05,625 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 19:02:05,626 INFO L158 Benchmark]: Toolchain (without parser) took 14470.10ms. Allocated memory was 92.3MB in the beginning and 335.5MB in the end (delta: 243.3MB). Free memory was 68.2MB in the beginning and 82.4MB in the end (delta: -14.2MB). Peak memory consumption was 228.1MB. Max. memory is 16.1GB. [2021-11-25 19:02:05,627 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 92.3MB. Free memory was 64.3MB in the beginning and 64.3MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:02:05,627 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1638.66ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 68.2MB in the beginning and 61.7MB in the end (delta: 6.5MB). Peak memory consumption was 60.0MB. Max. memory is 16.1GB. [2021-11-25 19:02:05,627 INFO L158 Benchmark]: Boogie Procedure Inliner took 312.14ms. Allocated memory is still 125.8MB. Free memory was 61.7MB in the beginning and 58.0MB in the end (delta: 3.7MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2021-11-25 19:02:05,628 INFO L158 Benchmark]: Boogie Preprocessor took 324.14ms. Allocated memory was 125.8MB in the beginning and 180.4MB in the end (delta: 54.5MB). Free memory was 58.0MB in the beginning and 107.5MB in the end (delta: -49.5MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2021-11-25 19:02:05,628 INFO L158 Benchmark]: RCFGBuilder took 6100.12ms. Allocated memory was 180.4MB in the beginning and 335.5MB in the end (delta: 155.2MB). Free memory was 107.5MB in the beginning and 159.5MB in the end (delta: -52.0MB). Peak memory consumption was 156.4MB. Max. memory is 16.1GB. [2021-11-25 19:02:05,629 INFO L158 Benchmark]: TraceAbstraction took 5845.41ms. Allocated memory is still 335.5MB. Free memory was 159.5MB in the beginning and 128.5MB in the end (delta: 31.0MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2021-11-25 19:02:05,629 INFO L158 Benchmark]: Witness Printer took 243.16ms. Allocated memory is still 335.5MB. Free memory was 128.5MB in the beginning and 82.4MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2021-11-25 19:02:05,632 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 92.3MB. Free memory was 64.3MB in the beginning and 64.3MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1638.66ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 68.2MB in the beginning and 61.7MB in the end (delta: 6.5MB). Peak memory consumption was 60.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 312.14ms. Allocated memory is still 125.8MB. Free memory was 61.7MB in the beginning and 58.0MB in the end (delta: 3.7MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 324.14ms. Allocated memory was 125.8MB in the beginning and 180.4MB in the end (delta: 54.5MB). Free memory was 58.0MB in the beginning and 107.5MB in the end (delta: -49.5MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. * RCFGBuilder took 6100.12ms. Allocated memory was 180.4MB in the beginning and 335.5MB in the end (delta: 155.2MB). Free memory was 107.5MB in the beginning and 159.5MB in the end (delta: -52.0MB). Peak memory consumption was 156.4MB. Max. memory is 16.1GB. * TraceAbstraction took 5845.41ms. Allocated memory is still 335.5MB. Free memory was 159.5MB in the beginning and 128.5MB in the end (delta: 31.0MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. * Witness Printer took 243.16ms. Allocated memory is still 335.5MB. Free memory was 128.5MB in the beginning and 82.4MB in the end (delta: 46.1MB). 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, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}, 0}; [L5901] static int me ; [L5902] static int io = -1; [L5945] int LDV_IN_INTERRUPT ; [L5948] int var_opl3_open_12_p0 ; [L5949] int var_opl3_open_12_p1 ; [L5950] int res_opl3_open_12 ; [L5951] int var_opl3_close_13_p0 ; [L5952] int var_opl3_ioctl_1_p0 ; [L5953] unsigned int var_opl3_ioctl_1_p1 ; [L5954] void *var_opl3_ioctl_1_p2 ; [L5955] int var_opl3_kill_note_3_p0 ; [L5956] int var_opl3_kill_note_3_p1 ; [L5957] int var_opl3_kill_note_3_p2 ; [L5958] int var_opl3_kill_note_3_p3 ; [L5959] int var_opl3_start_note_8_p0 ; [L5960] int var_opl3_start_note_8_p1 ; [L5961] int var_opl3_start_note_8_p2 ; [L5962] int var_opl3_start_note_8_p3 ; [L5963] int var_opl3_set_instr_5_p0 ; [L5964] int var_opl3_set_instr_5_p1 ; [L5965] int var_opl3_set_instr_5_p2 ; [L5966] int var_opl3_reset_11_p0 ; [L5967] int var_opl3_hw_control_14_p0 ; [L5968] unsigned char *var_opl3_hw_control_14_p1 ; [L5969] int var_opl3_load_patch_15_p0 ; [L5970] int var_opl3_load_patch_15_p1 ; [L5971] char const *var_opl3_load_patch_15_p2 ; [L5972] int var_opl3_load_patch_15_p3 ; [L5973] int var_opl3_load_patch_15_p4 ; [L5974] int var_opl3_load_patch_15_p5 ; [L5975] int var_opl3_aftertouch_18_p0 ; [L5976] int var_opl3_aftertouch_18_p1 ; [L5977] int var_opl3_aftertouch_18_p2 ; [L5978] int var_opl3_controller_20_p0 ; [L5979] int var_opl3_controller_20_p1 ; [L5980] int var_opl3_controller_20_p2 ; [L5981] int var_opl3_controller_20_p3 ; [L5982] int var_opl3_panning_16_p0 ; [L5983] int var_opl3_panning_16_p1 ; [L5984] int var_opl3_panning_16_p2 ; [L5985] int var_opl3_volume_method_17_p0 ; [L5986] int var_opl3_volume_method_17_p1 ; [L5987] int var_opl3_bender_21_p0 ; [L5988] int var_opl3_bender_21_p1 ; [L5989] int var_opl3_bender_21_p2 ; [L5990] int var_opl3_alloc_voice_22_p0 ; [L5991] int var_opl3_alloc_voice_22_p1 ; [L5992] int var_opl3_alloc_voice_22_p2 ; [L5993] struct voice_alloc_info *var_opl3_alloc_voice_22_p3 ; [L5994] int var_opl3_setup_voice_23_p0 ; [L5995] int var_opl3_setup_voice_23_p1 ; [L5996] int var_opl3_setup_voice_23_p2 ; [L5997] int ldv_s_opl3_operations_synth_operations ; [L5998] int tmp ; [L5999] int tmp___0 ; [L6000] int tmp___1 ; [L6002] ldv_s_opl3_operations_synth_operations = 0 [L6003] LDV_IN_INTERRUPT = 1 [L6004] FCALL ldv_initialize() [L6005] FCALL ldv_handler_precall() VAL [__this_module={18446744073709551687:18446744073709551682}, detected_model=0, devc={0:0}, fm_volume_table={25:0}, io=-1, LDV_IN_INTERRUPT=1, ldv_s_opl3_operations_synth_operations=0, me=0, opl3_operations={26:0}, pv_map={24:0}] [L6006] CALL, EXPR init_opl3() [L5905] int tmp ; [L5908] COND FALSE !(io != -1) VAL [__this_module={18446744073709551687:18446744073709551682}, detected_model=0, devc={0:0}, fm_volume_table={25:0}, io=-1, LDV_IN_INTERRUPT=1, me=0, opl3_operations={26:0}, pv_map={24:0}] [L5917] return (0); VAL [\result=0, __this_module={18446744073709551687:18446744073709551682}, detected_model=0, devc={0:0}, fm_volume_table={25:0}, io=-1, LDV_IN_INTERRUPT=1, me=0, opl3_operations={26:0}, pv_map={24:0}] [L6006] RET, EXPR init_opl3() [L6006] tmp = init_opl3() [L6007] COND FALSE !(tmp != 0) VAL [__this_module={18446744073709551687:18446744073709551682}, detected_model=0, devc={0:0}, fm_volume_table={25:0}, io=-1, LDV_IN_INTERRUPT=1, ldv_s_opl3_operations_synth_operations=0, me=0, opl3_operations={26:0}, pv_map={24:0}, tmp=0] [L6102] tmp___1 = __VERIFIER_nondet_int() [L6103] COND TRUE tmp___1 != 0 || ldv_s_opl3_operations_synth_operations != 0 [L6013] tmp___0 = __VERIFIER_nondet_int() [L6015] case 0: [L6028] case 1: [L6036] case 2: [L6040] case 3: [L6045] case 4: [L6050] case 5: [L6054] case 6: [L6058] case 7: [L6062] case 8: VAL [__this_module={18446744073709551687:18446744073709551682}, detected_model=0, devc={0:0}, fm_volume_table={25:0}, io=-1, LDV_IN_INTERRUPT=1, ldv_s_opl3_operations_synth_operations=0, me=0, opl3_operations={26:0}, pv_map={24:0}, tmp=0, tmp___0=8, tmp___1=-22] [L6063] FCALL ldv_handler_precall() VAL [__this_module={18446744073709551687:18446744073709551682}, detected_model=0, devc={0:0}, fm_volume_table={25:0}, io=-1, LDV_IN_INTERRUPT=1, ldv_s_opl3_operations_synth_operations=0, me=0, opl3_operations={26:0}, pv_map={24:0}, tmp=0, tmp___0=8, tmp___1=-22] [L6064-L6065] CALL opl3_load_patch(var_opl3_load_patch_15_p0, var_opl3_load_patch_15_p1, var_opl3_load_patch_15_p2, var_opl3_load_patch_15_p3, var_opl3_load_patch_15_p4, var_opl3_load_patch_15_p5) [L3367] struct sbi_instrument ins ; [L3368] unsigned long tmp ; [L3369] int tmp___0 ; VAL [\old(count)=4294967336, \old(dev)=18446744073709551686, \old(format)=18446744073709551685, \old(offs)=18446744073709551681, \old(pmgr_flag)=18446744073709551684, __this_module={18446744073709551687:18446744073709551682}, addr={18446744073709551683:-65}, addr={18446744073709551683:-65}, count=4294967336, detected_model=0, dev=18446744073709551686, devc={0:0}, fm_volume_table={25:0}, format=18446744073709551685, ins={131:0}, io=-1, LDV_IN_INTERRUPT=1, me=0, offs=18446744073709551681, opl3_operations={26:0}, pmgr_flag=18446744073709551684, pv_map={24:0}] [L3371] COND FALSE !((unsigned int )count <= 39U) VAL [\old(count)=4294967336, \old(dev)=18446744073709551686, \old(format)=18446744073709551685, \old(offs)=18446744073709551681, \old(pmgr_flag)=18446744073709551684, __this_module={18446744073709551687:18446744073709551682}, addr={18446744073709551683:-65}, addr={18446744073709551683:-65}, count=4294967336, detected_model=0, dev=18446744073709551686, devc={0:0}, fm_volume_table={25:0}, format=18446744073709551685, ins={131:0}, io=-1, LDV_IN_INTERRUPT=1, me=0, offs=18446744073709551681, opl3_operations={26:0}, pmgr_flag=18446744073709551684, pv_map={24:0}] [L3376-L3377] CALL ldv_copy_from_user_7((void *)(& ins) + (unsigned long )offs, (void const *)addr + (unsigned long )offs, 40UL - (unsigned long )offs) VAL [__this_module={18446744073709551687:18446744073709551682}, detected_model=0, devc={0:0}, fm_volume_table={25:0}, io=-1, LDV_IN_INTERRUPT=1, me=0, opl3_operations={26:0}, pv_map={24:0}] [L6158] unsigned long tmp ; VAL [\old(n)=-18446744073709551641, __this_module={18446744073709551687:18446744073709551682}, detected_model=0, devc={0:0}, fm_volume_table={25:0}, from={18446744073709551683:0}, from={18446744073709551683:0}, io=-1, LDV_IN_INTERRUPT=1, me=0, n=-18446744073709551641, opl3_operations={26:0}, pv_map={24:0}, to={131:65}, to={131:65}] [L6160] CALL ldv_check_len((long )n) VAL [__this_module={18446744073709551687:18446744073709551682}, detected_model=0, devc={0:0}, fm_volume_table={25:0}, io=-1, LDV_IN_INTERRUPT=1, me=0, opl3_operations={26:0}, pv_map={24:0}] [L6213] COND FALSE !(n >= 0L) [L6215] CALL ldv_error() [L6170] reach_error() VAL [__this_module={18446744073709551687:18446744073709551682}, detected_model=0, devc={0:0}, fm_volume_table={25:0}, io=-1, LDV_IN_INTERRUPT=1, me=0, opl3_operations={26:0}, pv_map={24:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 486 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.7s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 31 SdHoareTripleChecker+Valid, 3.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 31 mSDsluCounter, 3228 SdHoareTripleChecker+Invalid, 3.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2919 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 466 IncrementalHoareTripleChecker+Invalid, 487 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 651 mSDtfsCounter, 466 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=496occurred in iteration=1, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 44 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! [2021-11-25 19:02:05,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bd94c85-1fe2-4a3e-9287-d451d26bb044/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE