./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-mts64.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f44a5d-e5e3-438d-856d-506ef18da24e/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f44a5d-e5e3-438d-856d-506ef18da24e/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f44a5d-e5e3-438d-856d-506ef18da24e/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f44a5d-e5e3-438d-856d-506ef18da24e/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-mts64.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f44a5d-e5e3-438d-856d-506ef18da24e/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f44a5d-e5e3-438d-856d-506ef18da24e/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 425a3bbb125c6bdd9dab7ba3d2b6e465c36167f805fbb1bc755a03e911f07206 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:14:32,042 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:14:32,166 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f44a5d-e5e3-438d-856d-506ef18da24e/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-24 23:14:32,179 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:14:32,180 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:14:32,232 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:14:32,233 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:14:32,233 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:14:32,235 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:14:32,243 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:14:32,243 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:14:32,245 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:14:32,245 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:14:32,248 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:14:32,248 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:14:32,249 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:14:32,249 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:14:32,250 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:14:32,250 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:14:32,251 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:14:32,251 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:14:32,252 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:14:32,254 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:14:32,254 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:14:32,255 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:14:32,255 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:14:32,256 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:14:32,256 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:14:32,257 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:14:32,257 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:14:32,259 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:14:32,259 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:14:32,259 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:14:32,260 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:14:32,260 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:14:32,260 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:14:32,261 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:14:32,261 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:14:32,261 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:14:32,262 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:14:32,262 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:14:32,263 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:14:32,263 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:14:32,263 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:14:32,264 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:14:32,264 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:14:32,265 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f44a5d-e5e3-438d-856d-506ef18da24e/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f44a5d-e5e3-438d-856d-506ef18da24e/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 425a3bbb125c6bdd9dab7ba3d2b6e465c36167f805fbb1bc755a03e911f07206 [2023-11-24 23:14:32,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:14:32,672 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:14:32,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:14:32,676 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:14:32,678 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:14:32,680 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f44a5d-e5e3-438d-856d-506ef18da24e/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-mts64.ko-entry_point.cil.out.i [2023-11-24 23:14:35,809 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:14:36,348 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:14:36,349 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f44a5d-e5e3-438d-856d-506ef18da24e/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-mts64.ko-entry_point.cil.out.i [2023-11-24 23:14:36,409 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f44a5d-e5e3-438d-856d-506ef18da24e/bin/utaipan-verify-SwPr7d2a91/data/f13bf85a1/e74cbbad04e74b8e8a8a7bce2e617d9f/FLAG6c41c5d84 [2023-11-24 23:14:36,431 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f44a5d-e5e3-438d-856d-506ef18da24e/bin/utaipan-verify-SwPr7d2a91/data/f13bf85a1/e74cbbad04e74b8e8a8a7bce2e617d9f [2023-11-24 23:14:36,439 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:14:36,441 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:14:36,443 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:14:36,443 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:14:36,454 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:14:36,455 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:14:36" (1/1) ... [2023-11-24 23:14:36,460 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d356e6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:36, skipping insertion in model container [2023-11-24 23:14:36,460 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:14:36" (1/1) ... [2023-11-24 23:14:36,600 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:14:37,158 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3506] [2023-11-24 23:14:37,159 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3507-3508] [2023-11-24 23:14:37,907 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:14:37,948 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:14:38,055 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3506] [2023-11-24 23:14:38,056 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3507-3508] [2023-11-24 23:14:38,403 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:14:38,467 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:14:38,475 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:14:38,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:38 WrapperNode [2023-11-24 23:14:38,476 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:14:38,478 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:14:38,478 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:14:38,478 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:14:38,486 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:38" (1/1) ... [2023-11-24 23:14:38,566 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:38" (1/1) ... [2023-11-24 23:14:38,696 INFO L138 Inliner]: procedures = 158, calls = 844, calls flagged for inlining = 75, calls inlined = 63, statements flattened = 1961 [2023-11-24 23:14:38,696 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:14:38,697 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:14:38,697 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:14:38,698 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:14:38,708 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:38" (1/1) ... [2023-11-24 23:14:38,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:38" (1/1) ... [2023-11-24 23:14:38,730 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:38" (1/1) ... [2023-11-24 23:14:38,730 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:38" (1/1) ... [2023-11-24 23:14:38,874 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:38" (1/1) ... [2023-11-24 23:14:38,885 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:38" (1/1) ... [2023-11-24 23:14:38,913 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:38" (1/1) ... [2023-11-24 23:14:38,925 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:38" (1/1) ... [2023-11-24 23:14:38,967 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:14:38,970 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:14:38,970 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:14:38,971 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:14:38,971 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:38" (1/1) ... [2023-11-24 23:14:38,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:14:38,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f44a5d-e5e3-438d-856d-506ef18da24e/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:14:39,009 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f44a5d-e5e3-438d-856d-506ef18da24e/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:14:39,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f44a5d-e5e3-438d-856d-506ef18da24e/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:14:39,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 23:14:39,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-24 23:14:39,063 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-24 23:14:39,063 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_rawmidi_open [2023-11-24 23:14:39,063 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_rawmidi_open [2023-11-24 23:14:39,063 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-24 23:14:39,064 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-24 23:14:39,064 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2023-11-24 23:14:39,064 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2023-11-24 23:14:39,064 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_rawmidi_close [2023-11-24 23:14:39,064 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_rawmidi_close [2023-11-24 23:14:39,065 INFO L130 BoogieDeclarations]: Found specification of procedure parport_unregister_device [2023-11-24 23:14:39,065 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_unregister_device [2023-11-24 23:14:39,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-24 23:14:39,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-24 23:14:39,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:14:39,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-24 23:14:39,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-24 23:14:39,069 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_write_command [2023-11-24 23:14:39,069 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_write_command [2023-11-24 23:14:39,070 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_ctl_smpte_time_info [2023-11-24 23:14:39,071 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_ctl_smpte_time_info [2023-11-24 23:14:39,071 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_write_data [2023-11-24 23:14:39,071 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_write_data [2023-11-24 23:14:39,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-24 23:14:39,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-24 23:14:39,072 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_remove [2023-11-24 23:14:39,072 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_remove [2023-11-24 23:14:39,072 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_ctl_smpte_time_get [2023-11-24 23:14:39,073 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_ctl_smpte_time_get [2023-11-24 23:14:39,073 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_detach [2023-11-24 23:14:39,073 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_detach [2023-11-24 23:14:39,073 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_device_close [2023-11-24 23:14:39,073 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_device_close [2023-11-24 23:14:39,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:14:39,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-24 23:14:39,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-24 23:14:39,074 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_device_init [2023-11-24 23:14:39,074 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_device_init [2023-11-24 23:14:39,074 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_read_char [2023-11-24 23:14:39,074 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_read_char [2023-11-24 23:14:39,075 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-24 23:14:39,075 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-24 23:14:39,075 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_read [2023-11-24 23:14:39,075 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_read [2023-11-24 23:14:39,075 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_probe_port [2023-11-24 23:14:39,076 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_probe_port [2023-11-24 23:14:39,076 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_device_open [2023-11-24 23:14:39,076 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_device_open [2023-11-24 23:14:39,076 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:14:39,076 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:14:39,076 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_smpte_stop [2023-11-24 23:14:39,076 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_smpte_stop [2023-11-24 23:14:39,077 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_disable_readout [2023-11-24 23:14:39,077 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_disable_readout [2023-11-24 23:14:39,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:14:39,077 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-24 23:14:39,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-24 23:14:39,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:14:39,080 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_ctl_smpte_time_put [2023-11-24 23:14:39,080 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_ctl_smpte_time_put [2023-11-24 23:14:39,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:14:39,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:14:39,080 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-24 23:14:39,081 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_enable_readout [2023-11-24 23:14:39,081 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_enable_readout [2023-11-24 23:14:39,081 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-24 23:14:39,081 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-24 23:14:39,082 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-24 23:14:39,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-24 23:14:39,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:14:39,083 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_write_midi [2023-11-24 23:14:39,083 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_write_midi [2023-11-24 23:14:39,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-24 23:14:39,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-24 23:14:39,084 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2023-11-24 23:14:39,084 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2023-11-24 23:14:39,084 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-24 23:14:39,084 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-24 23:14:39,084 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_device_ready [2023-11-24 23:14:39,084 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_device_ready [2023-11-24 23:14:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_probe [2023-11-24 23:14:39,086 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_probe [2023-11-24 23:14:39,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:14:39,086 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2023-11-24 23:14:39,086 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2023-11-24 23:14:39,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 23:14:39,086 INFO L130 BoogieDeclarations]: Found specification of procedure snd_card_free [2023-11-24 23:14:39,087 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_card_free [2023-11-24 23:14:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2023-11-24 23:14:39,087 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2023-11-24 23:14:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_unregister_all [2023-11-24 23:14:39,087 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_unregister_all [2023-11-24 23:14:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_probe [2023-11-24 23:14:39,088 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_probe [2023-11-24 23:14:39,088 INFO L130 BoogieDeclarations]: Found specification of procedure parport_release [2023-11-24 23:14:39,088 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_release [2023-11-24 23:14:39,088 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_rawmidi_output_trigger [2023-11-24 23:14:39,089 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_rawmidi_output_trigger [2023-11-24 23:14:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:14:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_rawmidi_input_trigger [2023-11-24 23:14:39,089 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_rawmidi_input_trigger [2023-11-24 23:14:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-24 23:14:39,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-24 23:14:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure __snd_printk [2023-11-24 23:14:39,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __snd_printk [2023-11-24 23:14:39,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:14:39,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:14:39,091 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_set_ops [2023-11-24 23:14:39,091 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_set_ops [2023-11-24 23:14:39,091 INFO L130 BoogieDeclarations]: Found specification of procedure parport_register_device [2023-11-24 23:14:39,091 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_register_device [2023-11-24 23:14:39,092 INFO L130 BoogieDeclarations]: Found specification of procedure parport_claim [2023-11-24 23:14:39,093 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_claim [2023-11-24 23:14:39,563 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:14:39,570 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:14:39,795 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-24 23:14:41,699 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:14:42,182 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:14:42,183 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:14:42,185 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:14:42 BoogieIcfgContainer [2023-11-24 23:14:42,186 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:14:42,189 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:14:42,189 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:14:42,193 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:14:42,193 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:14:36" (1/3) ... [2023-11-24 23:14:42,194 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51a016a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:14:42, skipping insertion in model container [2023-11-24 23:14:42,194 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:38" (2/3) ... [2023-11-24 23:14:42,196 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51a016a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:14:42, skipping insertion in model container [2023-11-24 23:14:42,197 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:14:42" (3/3) ... [2023-11-24 23:14:42,199 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-mts64.ko-entry_point.cil.out.i [2023-11-24 23:14:42,219 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:14:42,219 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 45 error locations. [2023-11-24 23:14:42,311 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:14:42,318 INFO L357 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=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@619683dc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:14:42,319 INFO L358 AbstractCegarLoop]: Starting to check reachability of 45 error locations. [2023-11-24 23:14:42,329 INFO L276 IsEmpty]: Start isEmpty. Operand has 708 states, 434 states have (on average 1.467741935483871) internal successors, (637), 499 states have internal predecessors, (637), 179 states have call successors, (179), 50 states have call predecessors, (179), 49 states have return successors, (167), 166 states have call predecessors, (167), 167 states have call successors, (167) [2023-11-24 23:14:42,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 23:14:42,345 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:14:42,346 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2023-11-24 23:14:42,346 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting snd_mts64_rawmidi_closeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [snd_mts64_rawmidi_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, snd_mts64_rawmidi_openErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, snd_mts64_rawmidi_closeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2023-11-24 23:14:42,355 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:14:42,356 INFO L85 PathProgramCache]: Analyzing trace with hash 2007172804, now seen corresponding path program 1 times [2023-11-24 23:14:42,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:14:42,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192210311] [2023-11-24 23:14:42,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:14:42,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:14:42,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:42,976 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-24 23:14:42,976 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:14:42,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192210311] [2023-11-24 23:14:42,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192210311] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:14:42,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:14:42,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:14:42,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995625501] [2023-11-24 23:14:42,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:14:42,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:14:42,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:14:43,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:14:43,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:14:43,020 INFO L87 Difference]: Start difference. First operand has 708 states, 434 states have (on average 1.467741935483871) internal successors, (637), 499 states have internal predecessors, (637), 179 states have call successors, (179), 50 states have call predecessors, (179), 49 states have return successors, (167), 166 states have call predecessors, (167), 167 states have call successors, (167) Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-24 23:14:43,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:14:43,956 INFO L93 Difference]: Finished difference Result 2052 states and 2988 transitions. [2023-11-24 23:14:43,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:14:43,959 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 47 [2023-11-24 23:14:43,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:14:43,998 INFO L225 Difference]: With dead ends: 2052 [2023-11-24 23:14:43,998 INFO L226 Difference]: Without dead ends: 1322 [2023-11-24 23:14:44,015 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:14:44,024 INFO L413 NwaCegarLoop]: 881 mSDtfsCounter, 917 mSDsluCounter, 851 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 917 SdHoareTripleChecker+Valid, 1732 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-24 23:14:44,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [917 Valid, 1732 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-24 23:14:44,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1322 states. [2023-11-24 23:14:44,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1322 to 1285. [2023-11-24 23:14:44,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1285 states, 830 states have (on average 1.4240963855421687) internal successors, (1182), 886 states have internal predecessors, (1182), 319 states have call successors, (319), 96 states have call predecessors, (319), 96 states have return successors, (317), 314 states have call predecessors, (317), 317 states have call successors, (317) [2023-11-24 23:14:44,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1285 states to 1285 states and 1818 transitions. [2023-11-24 23:14:44,219 INFO L78 Accepts]: Start accepts. Automaton has 1285 states and 1818 transitions. Word has length 47 [2023-11-24 23:14:44,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:14:44,221 INFO L495 AbstractCegarLoop]: Abstraction has 1285 states and 1818 transitions. [2023-11-24 23:14:44,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-24 23:14:44,221 INFO L276 IsEmpty]: Start isEmpty. Operand 1285 states and 1818 transitions. [2023-11-24 23:14:44,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-24 23:14:44,226 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:14:44,226 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2023-11-24 23:14:44,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:14:44,227 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [snd_mts64_rawmidi_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, snd_mts64_rawmidi_openErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, snd_mts64_rawmidi_closeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2023-11-24 23:14:44,227 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:14:44,227 INFO L85 PathProgramCache]: Analyzing trace with hash 1571158018, now seen corresponding path program 1 times [2023-11-24 23:14:44,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:14:44,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002847216] [2023-11-24 23:14:44,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:14:44,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:14:44,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:44,495 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-24 23:14:44,496 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:14:44,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002847216] [2023-11-24 23:14:44,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002847216] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:14:44,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:14:44,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:14:44,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655029264] [2023-11-24 23:14:44,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:14:44,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:14:44,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:14:44,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:14:44,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:14:44,500 INFO L87 Difference]: Start difference. First operand 1285 states and 1818 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-24 23:14:45,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:14:45,579 INFO L93 Difference]: Finished difference Result 3726 states and 5256 transitions. [2023-11-24 23:14:45,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:14:45,579 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 49 [2023-11-24 23:14:45,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:14:45,607 INFO L225 Difference]: With dead ends: 3726 [2023-11-24 23:14:45,607 INFO L226 Difference]: Without dead ends: 2454 [2023-11-24 23:14:45,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:14:45,619 INFO L413 NwaCegarLoop]: 892 mSDtfsCounter, 849 mSDsluCounter, 822 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 849 SdHoareTripleChecker+Valid, 1714 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-24 23:14:45,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [849 Valid, 1714 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-24 23:14:45,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2454 states. [2023-11-24 23:14:45,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2454 to 2418. [2023-11-24 23:14:45,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2418 states, 1581 states have (on average 1.4187223276407337) internal successors, (2243), 1653 states have internal predecessors, (2243), 607 states have call successors, (607), 190 states have call predecessors, (607), 190 states have return successors, (603), 596 states have call predecessors, (603), 603 states have call successors, (603) [2023-11-24 23:14:45,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2418 states to 2418 states and 3453 transitions. [2023-11-24 23:14:45,827 INFO L78 Accepts]: Start accepts. Automaton has 2418 states and 3453 transitions. Word has length 49 [2023-11-24 23:14:45,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:14:45,829 INFO L495 AbstractCegarLoop]: Abstraction has 2418 states and 3453 transitions. [2023-11-24 23:14:45,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-24 23:14:45,830 INFO L276 IsEmpty]: Start isEmpty. Operand 2418 states and 3453 transitions. [2023-11-24 23:14:45,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-24 23:14:45,834 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:14:45,834 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1] [2023-11-24 23:14:45,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-24 23:14:45,835 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting snd_mts64_rawmidi_closeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [snd_mts64_rawmidi_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, snd_mts64_rawmidi_openErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, snd_mts64_rawmidi_closeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2023-11-24 23:14:45,835 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:14:45,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1013280043, now seen corresponding path program 1 times [2023-11-24 23:14:45,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:14:45,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027892215] [2023-11-24 23:14:45,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:14:45,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:14:45,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:46,003 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-24 23:14:46,004 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:14:46,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027892215] [2023-11-24 23:14:46,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027892215] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:14:46,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:14:46,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:14:46,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106146063] [2023-11-24 23:14:46,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:14:46,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:14:46,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:14:46,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:14:46,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:14:46,007 INFO L87 Difference]: Start difference. First operand 2418 states and 3453 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-24 23:14:46,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:14:46,862 INFO L93 Difference]: Finished difference Result 7085 states and 10089 transitions. [2023-11-24 23:14:46,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:14:46,862 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 53 [2023-11-24 23:14:46,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:14:46,899 INFO L225 Difference]: With dead ends: 7085 [2023-11-24 23:14:46,899 INFO L226 Difference]: Without dead ends: 4680 [2023-11-24 23:14:46,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:14:46,910 INFO L413 NwaCegarLoop]: 946 mSDtfsCounter, 858 mSDsluCounter, 821 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 858 SdHoareTripleChecker+Valid, 1767 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-24 23:14:46,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [858 Valid, 1767 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-24 23:14:46,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4680 states. [2023-11-24 23:14:47,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4680 to 4640. [2023-11-24 23:14:47,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4640 states, 3053 states have (on average 1.4153291844087783) internal successors, (4321), 3159 states have internal predecessors, (4321), 1167 states have call successors, (1167), 380 states have call predecessors, (1167), 380 states have return successors, (1159), 1144 states have call predecessors, (1159), 1159 states have call successors, (1159) [2023-11-24 23:14:47,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4640 states to 4640 states and 6647 transitions. [2023-11-24 23:14:47,222 INFO L78 Accepts]: Start accepts. Automaton has 4640 states and 6647 transitions. Word has length 53 [2023-11-24 23:14:47,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:14:47,222 INFO L495 AbstractCegarLoop]: Abstraction has 4640 states and 6647 transitions. [2023-11-24 23:14:47,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-24 23:14:47,223 INFO L276 IsEmpty]: Start isEmpty. Operand 4640 states and 6647 transitions. [2023-11-24 23:14:47,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 23:14:47,226 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:14:47,226 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1] [2023-11-24 23:14:47,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-24 23:14:47,259 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting snd_mts64_unregister_allErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [snd_mts64_rawmidi_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, snd_mts64_rawmidi_openErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, snd_mts64_rawmidi_closeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2023-11-24 23:14:47,260 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:14:47,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1680351966, now seen corresponding path program 1 times [2023-11-24 23:14:47,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:14:47,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312972806] [2023-11-24 23:14:47,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:14:47,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:14:47,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:47,610 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-24 23:14:47,610 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:14:47,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312972806] [2023-11-24 23:14:47,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312972806] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:14:47,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:14:47,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:14:47,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932455010] [2023-11-24 23:14:47,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:14:47,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:14:47,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:14:47,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:14:47,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:14:47,615 INFO L87 Difference]: Start difference. First operand 4640 states and 6647 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-24 23:14:48,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:14:48,732 INFO L93 Difference]: Finished difference Result 13683 states and 19579 transitions. [2023-11-24 23:14:48,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:14:48,733 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 55 [2023-11-24 23:14:48,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:14:48,805 INFO L225 Difference]: With dead ends: 13683 [2023-11-24 23:14:48,805 INFO L226 Difference]: Without dead ends: 9016 [2023-11-24 23:14:48,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:14:48,827 INFO L413 NwaCegarLoop]: 992 mSDtfsCounter, 863 mSDsluCounter, 831 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 863 SdHoareTripleChecker+Valid, 1823 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-24 23:14:48,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [863 Valid, 1823 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-24 23:14:48,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9016 states. [2023-11-24 23:14:49,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9016 to 8946. [2023-11-24 23:14:49,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8946 states, 5940 states have (on average 1.4146464646464647) internal successors, (8403), 6090 states have internal predecessors, (8403), 2225 states have call successors, (2225), 746 states have call predecessors, (2225), 741 states have return successors, (2220), 2197 states have call predecessors, (2220), 2220 states have call successors, (2220) [2023-11-24 23:14:49,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8946 states to 8946 states and 12848 transitions. [2023-11-24 23:14:49,499 INFO L78 Accepts]: Start accepts. Automaton has 8946 states and 12848 transitions. Word has length 55 [2023-11-24 23:14:49,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:14:49,500 INFO L495 AbstractCegarLoop]: Abstraction has 8946 states and 12848 transitions. [2023-11-24 23:14:49,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-24 23:14:49,501 INFO L276 IsEmpty]: Start isEmpty. Operand 8946 states and 12848 transitions. [2023-11-24 23:14:49,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-24 23:14:49,504 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:14:49,505 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:14:49,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-24 23:14:49,505 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [snd_mts64_rawmidi_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, snd_mts64_rawmidi_openErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, snd_mts64_rawmidi_closeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2023-11-24 23:14:49,507 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:14:49,507 INFO L85 PathProgramCache]: Analyzing trace with hash -2002894271, now seen corresponding path program 1 times [2023-11-24 23:14:49,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:14:49,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118644118] [2023-11-24 23:14:49,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:14:49,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:14:49,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:49,760 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-24 23:14:49,760 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:14:49,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118644118] [2023-11-24 23:14:49,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118644118] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:14:49,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:14:49,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:14:49,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150843760] [2023-11-24 23:14:49,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:14:49,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:14:49,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:14:49,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:14:49,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:14:49,763 INFO L87 Difference]: Start difference. First operand 8946 states and 12848 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-24 23:14:51,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:14:51,451 INFO L93 Difference]: Finished difference Result 26344 states and 37782 transitions. [2023-11-24 23:14:51,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:14:51,452 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 60 [2023-11-24 23:14:51,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:14:51,618 INFO L225 Difference]: With dead ends: 26344 [2023-11-24 23:14:51,619 INFO L226 Difference]: Without dead ends: 17411 [2023-11-24 23:14:51,669 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:14:51,671 INFO L413 NwaCegarLoop]: 1418 mSDtfsCounter, 888 mSDsluCounter, 825 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 888 SdHoareTripleChecker+Valid, 2243 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-24 23:14:51,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [888 Valid, 2243 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-24 23:14:51,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17411 states. [2023-11-24 23:14:52,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17411 to 17357. [2023-11-24 23:14:52,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17357 states, 11502 states have (on average 1.4085376456268475) internal successors, (16201), 11763 states have internal predecessors, (16201), 4362 states have call successors, (4362), 1462 states have call predecessors, (4362), 1453 states have return successors, (4353), 4307 states have call predecessors, (4353), 4353 states have call successors, (4353) [2023-11-24 23:14:52,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17357 states to 17357 states and 24916 transitions. [2023-11-24 23:14:52,845 INFO L78 Accepts]: Start accepts. Automaton has 17357 states and 24916 transitions. Word has length 60 [2023-11-24 23:14:52,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:14:52,848 INFO L495 AbstractCegarLoop]: Abstraction has 17357 states and 24916 transitions. [2023-11-24 23:14:52,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-24 23:14:52,848 INFO L276 IsEmpty]: Start isEmpty. Operand 17357 states and 24916 transitions. [2023-11-24 23:14:52,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-24 23:14:52,850 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:14:52,851 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:14:52,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-24 23:14:52,852 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting snd_mts64_unregister_allErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [snd_mts64_rawmidi_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, snd_mts64_rawmidi_openErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, snd_mts64_rawmidi_closeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2023-11-24 23:14:52,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:14:52,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1519639160, now seen corresponding path program 1 times [2023-11-24 23:14:52,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:14:52,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779366386] [2023-11-24 23:14:52,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:14:52,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:14:52,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:53,169 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-24 23:14:53,171 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:14:53,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779366386] [2023-11-24 23:14:53,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779366386] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:14:53,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:14:53,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:14:53,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447928377] [2023-11-24 23:14:53,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:14:53,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:14:53,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:14:53,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:14:53,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:14:53,176 INFO L87 Difference]: Start difference. First operand 17357 states and 24916 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-24 23:14:55,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:14:55,041 INFO L93 Difference]: Finished difference Result 34803 states and 49999 transitions. [2023-11-24 23:14:55,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:14:55,042 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 65 [2023-11-24 23:14:55,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:14:55,161 INFO L225 Difference]: With dead ends: 34803 [2023-11-24 23:14:55,161 INFO L226 Difference]: Without dead ends: 17459 [2023-11-24 23:14:55,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:14:55,244 INFO L413 NwaCegarLoop]: 848 mSDtfsCounter, 3 mSDsluCounter, 844 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1692 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-24 23:14:55,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1692 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-24 23:14:55,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17459 states. [2023-11-24 23:14:56,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17459 to 17459. [2023-11-24 23:14:56,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17459 states, 11587 states have (on average 1.407007853629067) internal successors, (16303), 11848 states have internal predecessors, (16303), 4379 states have call successors, (4379), 1462 states have call predecessors, (4379), 1453 states have return successors, (4370), 4324 states have call predecessors, (4370), 4370 states have call successors, (4370) [2023-11-24 23:14:56,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17459 states to 17459 states and 25052 transitions. [2023-11-24 23:14:56,529 INFO L78 Accepts]: Start accepts. Automaton has 17459 states and 25052 transitions. Word has length 65 [2023-11-24 23:14:56,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:14:56,529 INFO L495 AbstractCegarLoop]: Abstraction has 17459 states and 25052 transitions. [2023-11-24 23:14:56,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-24 23:14:56,532 INFO L276 IsEmpty]: Start isEmpty. Operand 17459 states and 25052 transitions. [2023-11-24 23:14:56,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-24 23:14:56,535 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:14:56,535 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:14:56,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-24 23:14:56,536 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting snd_mts64_rawmidi_closeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [snd_mts64_rawmidi_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, snd_mts64_rawmidi_openErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, snd_mts64_rawmidi_closeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2023-11-24 23:14:56,536 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:14:56,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1553159853, now seen corresponding path program 1 times [2023-11-24 23:14:56,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:14:56,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325746130] [2023-11-24 23:14:56,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:14:56,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:14:56,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:56,760 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-24 23:14:56,761 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:14:56,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325746130] [2023-11-24 23:14:56,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325746130] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:14:56,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:14:56,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:14:56,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919235891] [2023-11-24 23:14:56,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:14:56,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:14:56,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:14:56,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:14:56,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:14:56,766 INFO L87 Difference]: Start difference. First operand 17459 states and 25052 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-24 23:14:58,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:14:58,806 INFO L93 Difference]: Finished difference Result 50087 states and 71719 transitions. [2023-11-24 23:14:58,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:14:58,807 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 74 [2023-11-24 23:14:58,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:14:59,082 INFO L225 Difference]: With dead ends: 50087 [2023-11-24 23:14:59,084 INFO L226 Difference]: Without dead ends: 32641 [2023-11-24 23:14:59,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:14:59,152 INFO L413 NwaCegarLoop]: 991 mSDtfsCounter, 843 mSDsluCounter, 829 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 843 SdHoareTripleChecker+Valid, 1820 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-24 23:14:59,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [843 Valid, 1820 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-24 23:14:59,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32641 states. [2023-11-24 23:15:01,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32641 to 32569. [2023-11-24 23:15:01,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32569 states, 21826 states have (on average 1.410061394666911) internal successors, (30776), 22287 states have internal predecessors, (30776), 7929 states have call successors, (7929), 2791 states have call predecessors, (7929), 2774 states have return successors, (7912), 7822 states have call predecessors, (7912), 7912 states have call successors, (7912) [2023-11-24 23:15:01,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32569 states to 32569 states and 46617 transitions. [2023-11-24 23:15:01,750 INFO L78 Accepts]: Start accepts. Automaton has 32569 states and 46617 transitions. Word has length 74 [2023-11-24 23:15:01,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:15:01,750 INFO L495 AbstractCegarLoop]: Abstraction has 32569 states and 46617 transitions. [2023-11-24 23:15:01,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-24 23:15:01,751 INFO L276 IsEmpty]: Start isEmpty. Operand 32569 states and 46617 transitions. [2023-11-24 23:15:01,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-24 23:15:01,753 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:15:01,753 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:15:01,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-24 23:15:01,753 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting snd_mts64_unregister_allErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [snd_mts64_rawmidi_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, snd_mts64_rawmidi_openErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, snd_mts64_rawmidi_closeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2023-11-24 23:15:01,754 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:15:01,754 INFO L85 PathProgramCache]: Analyzing trace with hash -530941861, now seen corresponding path program 1 times [2023-11-24 23:15:01,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:15:01,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366827146] [2023-11-24 23:15:01,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:15:01,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:15:01,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:15:02,013 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-24 23:15:02,014 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:15:02,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366827146] [2023-11-24 23:15:02,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366827146] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 23:15:02,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281876651] [2023-11-24 23:15:02,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:15:02,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:15:02,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f44a5d-e5e3-438d-856d-506ef18da24e/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:15:02,023 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f44a5d-e5e3-438d-856d-506ef18da24e/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:15:02,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f44a5d-e5e3-438d-856d-506ef18da24e/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-24 23:15:02,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:15:02,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 1425 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:15:02,599 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:15:02,665 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-24 23:15:02,665 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:15:02,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [281876651] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:15:02,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-24 23:15:02,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2023-11-24 23:15:02,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298354231] [2023-11-24 23:15:02,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:15:02,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-24 23:15:02,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:15:02,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-24 23:15:02,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:15:02,669 INFO L87 Difference]: Start difference. First operand 32569 states and 46617 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-24 23:15:04,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:15:04,851 INFO L93 Difference]: Finished difference Result 32569 states and 46617 transitions. [2023-11-24 23:15:04,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-24 23:15:04,852 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 69 [2023-11-24 23:15:04,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:15:05,019 INFO L225 Difference]: With dead ends: 32569 [2023-11-24 23:15:05,019 INFO L226 Difference]: Without dead ends: 32568 [2023-11-24 23:15:05,037 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:15:05,038 INFO L413 NwaCegarLoop]: 848 mSDtfsCounter, 8 mSDsluCounter, 1685 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 2533 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:15:05,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 2533 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 289 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-24 23:15:05,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32568 states. [2023-11-24 23:15:07,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32568 to 32568. [2023-11-24 23:15:07,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32568 states, 21826 states have (on average 1.408549436451938) internal successors, (30743), 22286 states have internal predecessors, (30743), 7929 states have call successors, (7929), 2791 states have call predecessors, (7929), 2774 states have return successors, (7912), 7822 states have call predecessors, (7912), 7912 states have call successors, (7912) [2023-11-24 23:15:07,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32568 states to 32568 states and 46584 transitions. [2023-11-24 23:15:07,360 INFO L78 Accepts]: Start accepts. Automaton has 32568 states and 46584 transitions. Word has length 69 [2023-11-24 23:15:07,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:15:07,362 INFO L495 AbstractCegarLoop]: Abstraction has 32568 states and 46584 transitions. [2023-11-24 23:15:07,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-24 23:15:07,363 INFO L276 IsEmpty]: Start isEmpty. Operand 32568 states and 46584 transitions. [2023-11-24 23:15:07,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-24 23:15:07,367 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:15:07,367 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:15:07,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f44a5d-e5e3-438d-856d-506ef18da24e/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:15:07,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f44a5d-e5e3-438d-856d-506ef18da24e/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-24 23:15:07,586 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting snd_mts64_unregister_allErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [snd_mts64_rawmidi_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, snd_mts64_rawmidi_openErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, snd_mts64_rawmidi_closeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2023-11-24 23:15:07,586 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:15:07,586 INFO L85 PathProgramCache]: Analyzing trace with hash 720671794, now seen corresponding path program 1 times [2023-11-24 23:15:07,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:15:07,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103761375] [2023-11-24 23:15:07,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:15:07,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:15:07,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:15:08,032 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2023-11-24 23:15:08,032 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:15:08,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103761375] [2023-11-24 23:15:08,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103761375] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:15:08,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:15:08,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:15:08,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744307423] [2023-11-24 23:15:08,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:15:08,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:15:08,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:15:08,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:15:08,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:15:08,036 INFO L87 Difference]: Start difference. First operand 32568 states and 46584 transitions. Second operand has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-24 23:15:09,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:15:09,672 INFO L93 Difference]: Finished difference Result 32568 states and 46584 transitions. [2023-11-24 23:15:09,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:15:09,673 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 70 [2023-11-24 23:15:09,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:15:09,806 INFO L225 Difference]: With dead ends: 32568 [2023-11-24 23:15:09,806 INFO L226 Difference]: Without dead ends: 32327 [2023-11-24 23:15:09,818 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:15:09,821 INFO L413 NwaCegarLoop]: 846 mSDtfsCounter, 2 mSDsluCounter, 842 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1688 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-24 23:15:09,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1688 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-24 23:15:09,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32327 states. [2023-11-24 23:15:11,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32327 to 32247. [2023-11-24 23:15:11,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32247 states, 21574 states have (on average 1.407991100398628) internal successors, (30376), 22033 states have internal predecessors, (30376), 7862 states have call successors, (7862), 2773 states have call predecessors, (7862), 2773 states have return successors, (7862), 7772 states have call predecessors, (7862), 7862 states have call successors, (7862) [2023-11-24 23:15:11,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32247 states to 32247 states and 46100 transitions. [2023-11-24 23:15:11,880 INFO L78 Accepts]: Start accepts. Automaton has 32247 states and 46100 transitions. Word has length 70 [2023-11-24 23:15:11,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:15:11,881 INFO L495 AbstractCegarLoop]: Abstraction has 32247 states and 46100 transitions. [2023-11-24 23:15:11,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-24 23:15:11,882 INFO L276 IsEmpty]: Start isEmpty. Operand 32247 states and 46100 transitions. [2023-11-24 23:15:11,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-24 23:15:11,886 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:15:11,887 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:15:11,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-24 23:15:11,887 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [snd_mts64_rawmidi_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, snd_mts64_rawmidi_openErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, snd_mts64_rawmidi_closeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2023-11-24 23:15:11,888 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:15:11,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1988793970, now seen corresponding path program 1 times [2023-11-24 23:15:11,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:15:11,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637119486] [2023-11-24 23:15:11,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:15:11,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:15:11,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:15:12,046 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-24 23:15:12,047 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:15:12,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637119486] [2023-11-24 23:15:12,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637119486] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:15:12,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:15:12,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:15:12,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369763002] [2023-11-24 23:15:12,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:15:12,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:15:12,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:15:12,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:15:12,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:15:12,050 INFO L87 Difference]: Start difference. First operand 32247 states and 46100 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-24 23:15:13,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:15:13,693 INFO L93 Difference]: Finished difference Result 49079 states and 70078 transitions. [2023-11-24 23:15:13,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:15:13,693 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 84 [2023-11-24 23:15:13,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:15:13,784 INFO L225 Difference]: With dead ends: 49079 [2023-11-24 23:15:13,784 INFO L226 Difference]: Without dead ends: 16845 [2023-11-24 23:15:13,873 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:15:13,874 INFO L413 NwaCegarLoop]: 846 mSDtfsCounter, 936 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 936 SdHoareTripleChecker+Valid, 846 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-24 23:15:13,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [936 Valid, 846 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-24 23:15:13,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16845 states. [2023-11-24 23:15:14,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16845 to 16845. [2023-11-24 23:15:14,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16845 states, 11252 states have (on average 1.402506221116246) internal successors, (15781), 11515 states have internal predecessors, (15781), 4092 states have call successors, (4092), 1463 states have call predecessors, (4092), 1463 states have return successors, (4092), 4032 states have call predecessors, (4092), 4092 states have call successors, (4092) [2023-11-24 23:15:14,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16845 states to 16845 states and 23965 transitions. [2023-11-24 23:15:14,865 INFO L78 Accepts]: Start accepts. Automaton has 16845 states and 23965 transitions. Word has length 84 [2023-11-24 23:15:14,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:15:14,865 INFO L495 AbstractCegarLoop]: Abstraction has 16845 states and 23965 transitions. [2023-11-24 23:15:14,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-24 23:15:14,866 INFO L276 IsEmpty]: Start isEmpty. Operand 16845 states and 23965 transitions. [2023-11-24 23:15:14,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-24 23:15:14,870 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:15:14,870 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 2, 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, 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, 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] [2023-11-24 23:15:14,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-24 23:15:14,871 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting snd_mts64_rawmidi_closeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [snd_mts64_rawmidi_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, snd_mts64_rawmidi_openErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, snd_mts64_rawmidi_closeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2023-11-24 23:15:14,871 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:15:14,871 INFO L85 PathProgramCache]: Analyzing trace with hash 78774885, now seen corresponding path program 1 times [2023-11-24 23:15:14,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:15:14,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797994816] [2023-11-24 23:15:14,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:15:14,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:15:14,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:15:15,235 INFO L134 CoverageAnalysis]: Checked inductivity of 927 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-24 23:15:15,235 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:15:15,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797994816] [2023-11-24 23:15:15,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797994816] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:15:15,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:15:15,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:15:15,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927652314] [2023-11-24 23:15:15,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:15:15,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:15:15,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:15:15,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:15:15,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:15:15,239 INFO L87 Difference]: Start difference. First operand 16845 states and 23965 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22)