./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 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b987a4c7-9f00-4432-bf37-09128ce7267f/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b987a4c7-9f00-4432-bf37-09128ce7267f/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b987a4c7-9f00-4432-bf37-09128ce7267f/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b987a4c7-9f00-4432-bf37-09128ce7267f/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.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_b987a4c7-9f00-4432-bf37-09128ce7267f/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b987a4c7-9f00-4432-bf37-09128ce7267f/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 425a3bbb125c6bdd9dab7ba3d2b6e465c36167f805fbb1bc755a03e911f07206 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 12:20:59,450 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:20:59,452 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:20:59,502 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:20:59,502 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:20:59,504 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:20:59,506 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:20:59,508 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:20:59,510 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:20:59,519 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:20:59,521 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:20:59,525 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:20:59,525 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:20:59,533 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:20:59,536 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:20:59,537 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:20:59,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:20:59,539 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:20:59,543 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:20:59,551 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:20:59,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:20:59,557 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:20:59,561 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:20:59,562 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:20:59,572 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:20:59,572 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:20:59,573 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:20:59,574 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:20:59,574 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:20:59,575 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:20:59,576 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:20:59,577 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:20:59,578 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:20:59,578 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:20:59,580 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:20:59,580 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:20:59,581 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:20:59,581 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:20:59,582 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:20:59,583 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:20:59,589 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:20:59,590 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b987a4c7-9f00-4432-bf37-09128ce7267f/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-20 12:20:59,645 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:20:59,646 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:20:59,646 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:20:59,647 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:20:59,648 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:20:59,648 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:20:59,649 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:20:59,649 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:20:59,649 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:20:59,650 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:20:59,651 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 12:20:59,652 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:20:59,652 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:20:59,652 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:20:59,652 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:20:59,652 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:20:59,653 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 12:20:59,653 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:20:59,653 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:20:59,653 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:20:59,654 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:20:59,654 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:20:59,654 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:20:59,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:20:59,655 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:20:59,655 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:20:59,655 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:20:59,655 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:20:59,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 12:20:59,656 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:20:59,657 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:20:59,657 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:20:59,657 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b987a4c7-9f00-4432-bf37-09128ce7267f/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b987a4c7-9f00-4432-bf37-09128ce7267f/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 425a3bbb125c6bdd9dab7ba3d2b6e465c36167f805fbb1bc755a03e911f07206 [2022-11-20 12:21:00,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:21:00,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:21:00,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:21:00,081 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:21:00,082 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:21:00,084 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b987a4c7-9f00-4432-bf37-09128ce7267f/bin/uautomizer-ug76WZFUDN/../../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 [2022-11-20 12:21:03,784 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:21:04,328 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:21:04,329 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b987a4c7-9f00-4432-bf37-09128ce7267f/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 [2022-11-20 12:21:04,365 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b987a4c7-9f00-4432-bf37-09128ce7267f/bin/uautomizer-ug76WZFUDN/data/3ef8090c3/b7fcfc81ae4642a4b0fef970e84fb7ba/FLAGc20cb994a [2022-11-20 12:21:04,384 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b987a4c7-9f00-4432-bf37-09128ce7267f/bin/uautomizer-ug76WZFUDN/data/3ef8090c3/b7fcfc81ae4642a4b0fef970e84fb7ba [2022-11-20 12:21:04,387 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:21:04,389 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:21:04,391 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:21:04,391 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:21:04,396 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:21:04,397 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:21:04" (1/1) ... [2022-11-20 12:21:04,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48f27ea5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:21:04, skipping insertion in model container [2022-11-20 12:21:04,399 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:21:04" (1/1) ... [2022-11-20 12:21:04,408 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:21:04,536 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:21:05,174 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3506] [2022-11-20 12:21:05,175 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3507-3508] [2022-11-20 12:21:05,347 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b987a4c7-9f00-4432-bf37-09128ce7267f/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[103871,103884] [2022-11-20 12:21:06,059 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:21:06,110 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:21:06,256 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3506] [2022-11-20 12:21:06,256 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3507-3508] [2022-11-20 12:21:06,270 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b987a4c7-9f00-4432-bf37-09128ce7267f/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[103871,103884] [2022-11-20 12:21:06,593 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:21:06,671 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:21:06,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:21:06 WrapperNode [2022-11-20 12:21:06,672 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:21:06,674 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:21:06,674 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:21:06,675 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:21:06,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:21:06" (1/1) ... [2022-11-20 12:21:06,775 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:21:06" (1/1) ... [2022-11-20 12:21:06,877 INFO L138 Inliner]: procedures = 158, calls = 832, calls flagged for inlining = 74, calls inlined = 62, statements flattened = 1857 [2022-11-20 12:21:06,878 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:21:06,878 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:21:06,879 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:21:06,879 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:21:06,890 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:21:06" (1/1) ... [2022-11-20 12:21:06,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:21:06" (1/1) ... [2022-11-20 12:21:06,921 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:21:06" (1/1) ... [2022-11-20 12:21:06,921 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:21:06" (1/1) ... [2022-11-20 12:21:07,019 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:21:06" (1/1) ... [2022-11-20 12:21:07,039 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:21:06" (1/1) ... [2022-11-20 12:21:07,062 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:21:06" (1/1) ... [2022-11-20 12:21:07,072 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:21:06" (1/1) ... [2022-11-20 12:21:07,100 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:21:07,102 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:21:07,102 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:21:07,105 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:21:07,106 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:21:06" (1/1) ... [2022-11-20 12:21:07,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:21:07,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b987a4c7-9f00-4432-bf37-09128ce7267f/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:21:07,149 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b987a4c7-9f00-4432-bf37-09128ce7267f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:21:07,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b987a4c7-9f00-4432-bf37-09128ce7267f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:21:07,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 12:21:07,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-20 12:21:07,208 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-20 12:21:07,208 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_rawmidi_open [2022-11-20 12:21:07,208 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_rawmidi_open [2022-11-20 12:21:07,209 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-20 12:21:07,209 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-20 12:21:07,209 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2022-11-20 12:21:07,209 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2022-11-20 12:21:07,209 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_rawmidi_close [2022-11-20 12:21:07,209 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_rawmidi_close [2022-11-20 12:21:07,210 INFO L130 BoogieDeclarations]: Found specification of procedure parport_unregister_device [2022-11-20 12:21:07,210 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_unregister_device [2022-11-20 12:21:07,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 12:21:07,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 12:21:07,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 12:21:07,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-20 12:21:07,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-20 12:21:07,211 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_write_command [2022-11-20 12:21:07,211 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_write_command [2022-11-20 12:21:07,211 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_ctl_smpte_time_info [2022-11-20 12:21:07,211 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_ctl_smpte_time_info [2022-11-20 12:21:07,211 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_write_data [2022-11-20 12:21:07,212 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_write_data [2022-11-20 12:21:07,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 12:21:07,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 12:21:07,212 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_remove [2022-11-20 12:21:07,213 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_remove [2022-11-20 12:21:07,213 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_ctl_smpte_time_get [2022-11-20 12:21:07,214 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_ctl_smpte_time_get [2022-11-20 12:21:07,214 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_detach [2022-11-20 12:21:07,215 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_detach [2022-11-20 12:21:07,215 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_device_close [2022-11-20 12:21:07,215 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_device_close [2022-11-20 12:21:07,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 12:21:07,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-20 12:21:07,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-20 12:21:07,216 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_device_init [2022-11-20 12:21:07,216 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_device_init [2022-11-20 12:21:07,216 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_read_char [2022-11-20 12:21:07,217 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_read_char [2022-11-20 12:21:07,217 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-20 12:21:07,217 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-20 12:21:07,217 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_read [2022-11-20 12:21:07,217 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_read [2022-11-20 12:21:07,217 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_probe_port [2022-11-20 12:21:07,217 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_probe_port [2022-11-20 12:21:07,218 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_device_open [2022-11-20 12:21:07,224 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_device_open [2022-11-20 12:21:07,225 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 12:21:07,225 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 12:21:07,225 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_smpte_stop [2022-11-20 12:21:07,225 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_smpte_stop [2022-11-20 12:21:07,225 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_disable_readout [2022-11-20 12:21:07,225 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_disable_readout [2022-11-20 12:21:07,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 12:21:07,226 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-20 12:21:07,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-20 12:21:07,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:21:07,226 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_ctl_smpte_time_put [2022-11-20 12:21:07,226 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_ctl_smpte_time_put [2022-11-20 12:21:07,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 12:21:07,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 12:21:07,227 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_enable_readout [2022-11-20 12:21:07,227 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_enable_readout [2022-11-20 12:21:07,227 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-20 12:21:07,227 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-20 12:21:07,227 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-20 12:21:07,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-20 12:21:07,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 12:21:07,228 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_write_midi [2022-11-20 12:21:07,228 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_write_midi [2022-11-20 12:21:07,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-20 12:21:07,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-20 12:21:07,228 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2022-11-20 12:21:07,228 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2022-11-20 12:21:07,228 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-20 12:21:07,228 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-20 12:21:07,229 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_device_ready [2022-11-20 12:21:07,230 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_device_ready [2022-11-20 12:21:07,230 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_probe [2022-11-20 12:21:07,230 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_probe [2022-11-20 12:21:07,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 12:21:07,230 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2022-11-20 12:21:07,233 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2022-11-20 12:21:07,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 12:21:07,233 INFO L130 BoogieDeclarations]: Found specification of procedure snd_card_free [2022-11-20 12:21:07,233 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_card_free [2022-11-20 12:21:07,233 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2022-11-20 12:21:07,234 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2022-11-20 12:21:07,234 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_unregister_all [2022-11-20 12:21:07,234 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_unregister_all [2022-11-20 12:21:07,234 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_probe [2022-11-20 12:21:07,234 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_probe [2022-11-20 12:21:07,235 INFO L130 BoogieDeclarations]: Found specification of procedure parport_release [2022-11-20 12:21:07,235 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_release [2022-11-20 12:21:07,235 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_rawmidi_output_trigger [2022-11-20 12:21:07,236 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_rawmidi_output_trigger [2022-11-20 12:21:07,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 12:21:07,236 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_rawmidi_input_trigger [2022-11-20 12:21:07,236 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_rawmidi_input_trigger [2022-11-20 12:21:07,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-20 12:21:07,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-20 12:21:07,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:21:07,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:21:07,238 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_set_ops [2022-11-20 12:21:07,238 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_set_ops [2022-11-20 12:21:07,238 INFO L130 BoogieDeclarations]: Found specification of procedure parport_register_device [2022-11-20 12:21:07,238 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_register_device [2022-11-20 12:21:07,238 INFO L130 BoogieDeclarations]: Found specification of procedure parport_claim [2022-11-20 12:21:07,239 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_claim [2022-11-20 12:21:07,899 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:21:07,903 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:21:08,192 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 12:21:10,538 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:21:10,555 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:21:10,555 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 12:21:10,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:21:10 BoogieIcfgContainer [2022-11-20 12:21:10,560 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:21:10,563 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:21:10,563 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:21:10,567 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:21:10,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:21:04" (1/3) ... [2022-11-20 12:21:10,568 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d78ec62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:21:10, skipping insertion in model container [2022-11-20 12:21:10,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:21:06" (2/3) ... [2022-11-20 12:21:10,569 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d78ec62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:21:10, skipping insertion in model container [2022-11-20 12:21:10,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:21:10" (3/3) ... [2022-11-20 12:21:10,571 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 [2022-11-20 12:21:10,596 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:21:10,596 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2022-11-20 12:21:10,686 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:21:10,694 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@b3ef239, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:21:10,695 INFO L358 AbstractCegarLoop]: Starting to check reachability of 44 error locations. [2022-11-20 12:21:10,705 INFO L276 IsEmpty]: Start isEmpty. Operand has 802 states, 538 states have (on average 1.4014869888475836) internal successors, (754), 602 states have internal predecessors, (754), 171 states have call successors, (171), 49 states have call predecessors, (171), 48 states have return successors, (159), 158 states have call predecessors, (159), 159 states have call successors, (159) [2022-11-20 12:21:10,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-20 12:21:10,725 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:21:10,726 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] [2022-11-20 12:21:10,726 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 41 more)] === [2022-11-20 12:21:10,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:21:10,735 INFO L85 PathProgramCache]: Analyzing trace with hash 1425846115, now seen corresponding path program 1 times [2022-11-20 12:21:10,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:21:10,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482502755] [2022-11-20 12:21:10,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:21:10,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:21:11,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:11,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:21:11,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:11,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 12:21:11,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:11,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 12:21:11,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:11,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 12:21:11,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:11,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 12:21:11,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:11,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 12:21:11,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:11,558 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-20 12:21:11,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:21:11,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482502755] [2022-11-20 12:21:11,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482502755] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:21:11,560 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:21:11,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 12:21:11,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493048409] [2022-11-20 12:21:11,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:21:11,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:21:11,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:21:11,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:21:11,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:21:11,610 INFO L87 Difference]: Start difference. First operand has 802 states, 538 states have (on average 1.4014869888475836) internal successors, (754), 602 states have internal predecessors, (754), 171 states have call successors, (171), 49 states have call predecessors, (171), 48 states have return successors, (159), 158 states have call predecessors, (159), 159 states have call successors, (159) Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 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) [2022-11-20 12:21:14,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:21:14,561 INFO L93 Difference]: Finished difference Result 2504 states and 3650 transitions. [2022-11-20 12:21:14,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 12:21:14,564 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 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 49 [2022-11-20 12:21:14,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:21:14,603 INFO L225 Difference]: With dead ends: 2504 [2022-11-20 12:21:14,603 INFO L226 Difference]: Without dead ends: 1664 [2022-11-20 12:21:14,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:21:14,627 INFO L413 NwaCegarLoop]: 1097 mSDtfsCounter, 1325 mSDsluCounter, 1569 mSDsCounter, 0 mSdLazyCounter, 662 mSolverCounterSat, 449 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1409 SdHoareTripleChecker+Valid, 2666 SdHoareTripleChecker+Invalid, 1111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 449 IncrementalHoareTripleChecker+Valid, 662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-20 12:21:14,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1409 Valid, 2666 Invalid, 1111 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [449 Valid, 662 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-20 12:21:14,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1664 states. [2022-11-20 12:21:14,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1664 to 1462. [2022-11-20 12:21:14,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1462 states, 1025 states have (on average 1.3687804878048782) internal successors, (1403), 1081 states have internal predecessors, (1403), 303 states have call successors, (303), 94 states have call predecessors, (303), 94 states have return successors, (301), 298 states have call predecessors, (301), 301 states have call successors, (301) [2022-11-20 12:21:14,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1462 states to 1462 states and 2007 transitions. [2022-11-20 12:21:14,858 INFO L78 Accepts]: Start accepts. Automaton has 1462 states and 2007 transitions. Word has length 49 [2022-11-20 12:21:14,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:21:14,859 INFO L495 AbstractCegarLoop]: Abstraction has 1462 states and 2007 transitions. [2022-11-20 12:21:14,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 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) [2022-11-20 12:21:14,859 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 2007 transitions. [2022-11-20 12:21:14,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-20 12:21:14,863 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:21:14,863 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] [2022-11-20 12:21:14,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 12:21:14,864 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 41 more)] === [2022-11-20 12:21:14,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:21:14,865 INFO L85 PathProgramCache]: Analyzing trace with hash 800917927, now seen corresponding path program 1 times [2022-11-20 12:21:14,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:21:14,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869309168] [2022-11-20 12:21:14,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:21:14,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:21:14,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:15,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:21:15,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:15,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 12:21:15,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:15,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 12:21:15,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:15,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 12:21:15,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:15,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 12:21:15,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:15,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 12:21:15,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:15,192 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-20 12:21:15,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:21:15,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869309168] [2022-11-20 12:21:15,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869309168] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:21:15,194 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:21:15,194 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 12:21:15,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043417032] [2022-11-20 12:21:15,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:21:15,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:21:15,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:21:15,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:21:15,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:21:15,197 INFO L87 Difference]: Start difference. First operand 1462 states and 2007 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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) [2022-11-20 12:21:17,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:21:17,787 INFO L93 Difference]: Finished difference Result 4542 states and 6317 transitions. [2022-11-20 12:21:17,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 12:21:17,792 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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 52 [2022-11-20 12:21:17,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:21:17,826 INFO L225 Difference]: With dead ends: 4542 [2022-11-20 12:21:17,826 INFO L226 Difference]: Without dead ends: 3095 [2022-11-20 12:21:17,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:21:17,842 INFO L413 NwaCegarLoop]: 1086 mSDtfsCounter, 1246 mSDsluCounter, 1542 mSDsCounter, 0 mSdLazyCounter, 655 mSolverCounterSat, 414 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1318 SdHoareTripleChecker+Valid, 2628 SdHoareTripleChecker+Invalid, 1069 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 414 IncrementalHoareTripleChecker+Valid, 655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:21:17,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1318 Valid, 2628 Invalid, 1069 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [414 Valid, 655 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-20 12:21:17,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3095 states. [2022-11-20 12:21:18,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3095 to 2741. [2022-11-20 12:21:18,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2741 states, 1940 states have (on average 1.365979381443299) internal successors, (2650), 2012 states have internal predecessors, (2650), 575 states have call successors, (575), 186 states have call predecessors, (575), 186 states have return successors, (571), 564 states have call predecessors, (571), 571 states have call successors, (571) [2022-11-20 12:21:18,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2741 states to 2741 states and 3796 transitions. [2022-11-20 12:21:18,103 INFO L78 Accepts]: Start accepts. Automaton has 2741 states and 3796 transitions. Word has length 52 [2022-11-20 12:21:18,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:21:18,106 INFO L495 AbstractCegarLoop]: Abstraction has 2741 states and 3796 transitions. [2022-11-20 12:21:18,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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) [2022-11-20 12:21:18,107 INFO L276 IsEmpty]: Start isEmpty. Operand 2741 states and 3796 transitions. [2022-11-20 12:21:18,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-20 12:21:18,116 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:21:18,117 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] [2022-11-20 12:21:18,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 12:21:18,118 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 41 more)] === [2022-11-20 12:21:18,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:21:18,124 INFO L85 PathProgramCache]: Analyzing trace with hash -474061174, now seen corresponding path program 1 times [2022-11-20 12:21:18,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:21:18,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319854538] [2022-11-20 12:21:18,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:21:18,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:21:18,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:18,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:21:18,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:18,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 12:21:18,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:18,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 12:21:18,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:18,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 12:21:18,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:18,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 12:21:18,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:18,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 12:21:18,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:18,439 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-20 12:21:18,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:21:18,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319854538] [2022-11-20 12:21:18,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319854538] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:21:18,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:21:18,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 12:21:18,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586484695] [2022-11-20 12:21:18,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:21:18,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:21:18,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:21:18,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:21:18,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:21:18,442 INFO L87 Difference]: Start difference. First operand 2741 states and 3796 transitions. Second operand has 4 states, 4 states have (on average 6.75) 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) [2022-11-20 12:21:20,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:21:20,970 INFO L93 Difference]: Finished difference Result 8657 states and 12128 transitions. [2022-11-20 12:21:20,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 12:21:20,971 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) 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 [2022-11-20 12:21:20,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:21:21,012 INFO L225 Difference]: With dead ends: 8657 [2022-11-20 12:21:21,013 INFO L226 Difference]: Without dead ends: 5931 [2022-11-20 12:21:21,027 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:21:21,036 INFO L413 NwaCegarLoop]: 1159 mSDtfsCounter, 1252 mSDsluCounter, 1606 mSDsCounter, 0 mSdLazyCounter, 652 mSolverCounterSat, 406 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1327 SdHoareTripleChecker+Valid, 2765 SdHoareTripleChecker+Invalid, 1058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 406 IncrementalHoareTripleChecker+Valid, 652 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:21:21,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1327 Valid, 2765 Invalid, 1058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [406 Valid, 652 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-20 12:21:21,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5931 states. [2022-11-20 12:21:21,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5931 to 5267. [2022-11-20 12:21:21,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5267 states, 3752 states have (on average 1.3635394456289978) internal successors, (5116), 3858 states have internal predecessors, (5116), 1103 states have call successors, (1103), 372 states have call predecessors, (1103), 372 states have return successors, (1095), 1080 states have call predecessors, (1095), 1095 states have call successors, (1095) [2022-11-20 12:21:21,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5267 states to 5267 states and 7314 transitions. [2022-11-20 12:21:21,484 INFO L78 Accepts]: Start accepts. Automaton has 5267 states and 7314 transitions. Word has length 55 [2022-11-20 12:21:21,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:21:21,485 INFO L495 AbstractCegarLoop]: Abstraction has 5267 states and 7314 transitions. [2022-11-20 12:21:21,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) 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) [2022-11-20 12:21:21,486 INFO L276 IsEmpty]: Start isEmpty. Operand 5267 states and 7314 transitions. [2022-11-20 12:21:21,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-20 12:21:21,492 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:21:21,493 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] [2022-11-20 12:21:21,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 12:21:21,493 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 41 more)] === [2022-11-20 12:21:21,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:21:21,494 INFO L85 PathProgramCache]: Analyzing trace with hash -2026349490, now seen corresponding path program 1 times [2022-11-20 12:21:21,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:21:21,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777376871] [2022-11-20 12:21:21,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:21:21,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:21:21,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:21,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:21:21,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:21,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 12:21:21,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:21,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 12:21:21,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:21,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 12:21:21,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:21,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 12:21:21,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:21,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 12:21:21,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:21,820 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-20 12:21:21,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:21:21,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777376871] [2022-11-20 12:21:21,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777376871] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:21:21,821 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:21:21,821 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 12:21:21,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427430099] [2022-11-20 12:21:21,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:21:21,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:21:21,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:21:21,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:21:21,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:21:21,823 INFO L87 Difference]: Start difference. First operand 5267 states and 7314 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 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) [2022-11-20 12:21:24,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:21:24,654 INFO L93 Difference]: Finished difference Result 16723 states and 23486 transitions. [2022-11-20 12:21:24,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 12:21:24,655 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 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 58 [2022-11-20 12:21:24,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:21:24,731 INFO L225 Difference]: With dead ends: 16723 [2022-11-20 12:21:24,732 INFO L226 Difference]: Without dead ends: 11351 [2022-11-20 12:21:24,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:21:24,759 INFO L413 NwaCegarLoop]: 1200 mSDtfsCounter, 1245 mSDsluCounter, 1651 mSDsCounter, 0 mSdLazyCounter, 645 mSolverCounterSat, 398 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1309 SdHoareTripleChecker+Valid, 2851 SdHoareTripleChecker+Invalid, 1043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 398 IncrementalHoareTripleChecker+Valid, 645 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:21:24,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1309 Valid, 2851 Invalid, 1043 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [398 Valid, 645 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-20 12:21:24,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11351 states. [2022-11-20 12:21:25,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11351 to 10095. [2022-11-20 12:21:25,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10095 states, 7233 states have (on average 1.3670676068021568) internal successors, (9888), 7383 states have internal predecessors, (9888), 2097 states have call successors, (2097), 730 states have call predecessors, (2097), 725 states have return successors, (2092), 2069 states have call predecessors, (2092), 2092 states have call successors, (2092) [2022-11-20 12:21:25,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10095 states to 10095 states and 14077 transitions. [2022-11-20 12:21:25,595 INFO L78 Accepts]: Start accepts. Automaton has 10095 states and 14077 transitions. Word has length 58 [2022-11-20 12:21:25,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:21:25,596 INFO L495 AbstractCegarLoop]: Abstraction has 10095 states and 14077 transitions. [2022-11-20 12:21:25,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 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) [2022-11-20 12:21:25,598 INFO L276 IsEmpty]: Start isEmpty. Operand 10095 states and 14077 transitions. [2022-11-20 12:21:25,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-20 12:21:25,602 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:21:25,602 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] [2022-11-20 12:21:25,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 12:21:25,603 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 41 more)] === [2022-11-20 12:21:25,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:21:25,604 INFO L85 PathProgramCache]: Analyzing trace with hash -489133385, now seen corresponding path program 1 times [2022-11-20 12:21:25,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:21:25,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247238415] [2022-11-20 12:21:25,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:21:25,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:21:25,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:25,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:21:25,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:25,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 12:21:25,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:25,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 12:21:25,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:26,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 12:21:26,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:26,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 12:21:26,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:26,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 12:21:26,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:26,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-20 12:21:26,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:26,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:21:26,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:26,068 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-20 12:21:26,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:21:26,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247238415] [2022-11-20 12:21:26,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247238415] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:21:26,084 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:21:26,084 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 12:21:26,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790713128] [2022-11-20 12:21:26,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:21:26,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:21:26,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:21:26,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:21:26,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:21:26,087 INFO L87 Difference]: Start difference. First operand 10095 states and 14077 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-20 12:21:29,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:21:29,797 INFO L93 Difference]: Finished difference Result 31889 states and 44979 transitions. [2022-11-20 12:21:29,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 12:21:29,798 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (8), 2 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 65 [2022-11-20 12:21:29,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:21:29,951 INFO L225 Difference]: With dead ends: 31889 [2022-11-20 12:21:29,951 INFO L226 Difference]: Without dead ends: 21809 [2022-11-20 12:21:29,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:21:29,997 INFO L413 NwaCegarLoop]: 1575 mSDtfsCounter, 1166 mSDsluCounter, 1854 mSDsCounter, 0 mSdLazyCounter, 763 mSolverCounterSat, 291 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1246 SdHoareTripleChecker+Valid, 3429 SdHoareTripleChecker+Invalid, 1054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 291 IncrementalHoareTripleChecker+Valid, 763 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-20 12:21:29,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1246 Valid, 3429 Invalid, 1054 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [291 Valid, 763 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-20 12:21:30,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21809 states. [2022-11-20 12:21:31,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21809 to 19559. [2022-11-20 12:21:31,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19559 states, 13992 states have (on average 1.3632790165809034) internal successors, (19075), 14253 states have internal predecessors, (19075), 4106 states have call successors, (4106), 1430 states have call predecessors, (4106), 1421 states have return successors, (4097), 4051 states have call predecessors, (4097), 4097 states have call successors, (4097) [2022-11-20 12:21:31,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19559 states to 19559 states and 27278 transitions. [2022-11-20 12:21:31,486 INFO L78 Accepts]: Start accepts. Automaton has 19559 states and 27278 transitions. Word has length 65 [2022-11-20 12:21:31,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:21:31,488 INFO L495 AbstractCegarLoop]: Abstraction has 19559 states and 27278 transitions. [2022-11-20 12:21:31,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-20 12:21:31,489 INFO L276 IsEmpty]: Start isEmpty. Operand 19559 states and 27278 transitions. [2022-11-20 12:21:31,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-20 12:21:31,491 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:21:31,492 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, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:21:31,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 12:21:31,492 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 41 more)] === [2022-11-20 12:21:31,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:21:31,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1812530829, now seen corresponding path program 1 times [2022-11-20 12:21:31,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:21:31,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794696648] [2022-11-20 12:21:31,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:21:31,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:21:31,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:31,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:21:31,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:31,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 12:21:31,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:31,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 12:21:31,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:31,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 12:21:31,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:32,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 12:21:32,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:32,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 12:21:32,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:32,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-20 12:21:32,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:32,150 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-11-20 12:21:32,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:21:32,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794696648] [2022-11-20 12:21:32,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794696648] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:21:32,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:21:32,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:21:32,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133542072] [2022-11-20 12:21:32,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:21:32,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:21:32,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:21:32,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:21:32,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:21:32,153 INFO L87 Difference]: Start difference. First operand 19559 states and 27278 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-20 12:21:34,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:21:34,901 INFO L93 Difference]: Finished difference Result 41429 states and 58393 transitions. [2022-11-20 12:21:34,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 12:21:34,902 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (8), 2 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 72 [2022-11-20 12:21:34,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:21:35,081 INFO L225 Difference]: With dead ends: 41429 [2022-11-20 12:21:35,081 INFO L226 Difference]: Without dead ends: 21885 [2022-11-20 12:21:35,172 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:21:35,174 INFO L413 NwaCegarLoop]: 938 mSDtfsCounter, 171 mSDsluCounter, 1489 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 2427 SdHoareTripleChecker+Invalid, 681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-20 12:21:35,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 2427 Invalid, 681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-20 12:21:35,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21885 states. [2022-11-20 12:21:36,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21885 to 19678. [2022-11-20 12:21:36,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19678 states, 14094 states have (on average 1.3618561089825458) internal successors, (19194), 14355 states have internal predecessors, (19194), 4123 states have call successors, (4123), 1430 states have call predecessors, (4123), 1421 states have return successors, (4114), 4068 states have call predecessors, (4114), 4114 states have call successors, (4114) [2022-11-20 12:21:36,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19678 states to 19678 states and 27431 transitions. [2022-11-20 12:21:36,961 INFO L78 Accepts]: Start accepts. Automaton has 19678 states and 27431 transitions. Word has length 72 [2022-11-20 12:21:36,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:21:36,963 INFO L495 AbstractCegarLoop]: Abstraction has 19678 states and 27431 transitions. [2022-11-20 12:21:36,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-20 12:21:36,964 INFO L276 IsEmpty]: Start isEmpty. Operand 19678 states and 27431 transitions. [2022-11-20 12:21:36,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-20 12:21:36,968 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:21:36,968 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, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:21:36,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 12:21:36,970 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 41 more)] === [2022-11-20 12:21:36,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:21:36,970 INFO L85 PathProgramCache]: Analyzing trace with hash -1734929480, now seen corresponding path program 1 times [2022-11-20 12:21:36,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:21:36,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431900981] [2022-11-20 12:21:36,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:21:36,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:21:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:37,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:21:37,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:37,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 12:21:37,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:37,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 12:21:37,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:37,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 12:21:37,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:37,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 12:21:37,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:37,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 12:21:37,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:37,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-20 12:21:37,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:37,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:21:37,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:37,287 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-20 12:21:37,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:21:37,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431900981] [2022-11-20 12:21:37,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431900981] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:21:37,288 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:21:37,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 12:21:37,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176838873] [2022-11-20 12:21:37,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:21:37,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 12:21:37,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:21:37,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 12:21:37,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:21:37,290 INFO L87 Difference]: Start difference. First operand 19678 states and 27431 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-20 12:21:43,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:21:43,077 INFO L93 Difference]: Finished difference Result 66522 states and 94536 transitions. [2022-11-20 12:21:43,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 12:21:43,078 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (12), 3 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 81 [2022-11-20 12:21:43,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:21:43,328 INFO L225 Difference]: With dead ends: 66522 [2022-11-20 12:21:43,328 INFO L226 Difference]: Without dead ends: 46859 [2022-11-20 12:21:43,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-20 12:21:43,397 INFO L413 NwaCegarLoop]: 1152 mSDtfsCounter, 1853 mSDsluCounter, 2349 mSDsCounter, 0 mSdLazyCounter, 1093 mSolverCounterSat, 913 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1950 SdHoareTripleChecker+Valid, 3501 SdHoareTripleChecker+Invalid, 2006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 913 IncrementalHoareTripleChecker+Valid, 1093 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:21:43,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1950 Valid, 3501 Invalid, 2006 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [913 Valid, 1093 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-20 12:21:43,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46859 states. [2022-11-20 12:21:46,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46859 to 36678. [2022-11-20 12:21:46,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36678 states, 26475 states have (on average 1.365099150141643) internal successors, (36141), 26936 states have internal predecessors, (36141), 7449 states have call successors, (7449), 2731 states have call predecessors, (7449), 2714 states have return successors, (7432), 7342 states have call predecessors, (7432), 7432 states have call successors, (7432) [2022-11-20 12:21:46,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36678 states to 36678 states and 51022 transitions. [2022-11-20 12:21:46,562 INFO L78 Accepts]: Start accepts. Automaton has 36678 states and 51022 transitions. Word has length 81 [2022-11-20 12:21:46,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:21:46,564 INFO L495 AbstractCegarLoop]: Abstraction has 36678 states and 51022 transitions. [2022-11-20 12:21:46,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-20 12:21:46,564 INFO L276 IsEmpty]: Start isEmpty. Operand 36678 states and 51022 transitions. [2022-11-20 12:21:46,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-20 12:21:46,570 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:21:46,571 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, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:21:46,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 12:21:46,571 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 41 more)] === [2022-11-20 12:21:46,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:21:46,572 INFO L85 PathProgramCache]: Analyzing trace with hash 813508117, now seen corresponding path program 1 times [2022-11-20 12:21:46,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:21:46,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531640897] [2022-11-20 12:21:46,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:21:46,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:21:46,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:46,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:21:46,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:46,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 12:21:46,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:46,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 12:21:46,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:46,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 12:21:46,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:46,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 12:21:46,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:46,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 12:21:46,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:46,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-20 12:21:46,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:46,863 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2022-11-20 12:21:46,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:21:46,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531640897] [2022-11-20 12:21:46,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531640897] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:21:46,864 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:21:46,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:21:46,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448440073] [2022-11-20 12:21:46,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:21:46,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:21:46,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:21:46,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:21:46,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:21:46,867 INFO L87 Difference]: Start difference. First operand 36678 states and 51022 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-20 12:21:50,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:21:50,427 INFO L93 Difference]: Finished difference Result 40856 states and 57805 transitions. [2022-11-20 12:21:50,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 12:21:50,428 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (8), 2 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 77 [2022-11-20 12:21:50,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:21:50,656 INFO L225 Difference]: With dead ends: 40856 [2022-11-20 12:21:50,656 INFO L226 Difference]: Without dead ends: 40855 [2022-11-20 12:21:50,676 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:21:50,677 INFO L413 NwaCegarLoop]: 948 mSDtfsCounter, 169 mSDsluCounter, 1503 mSDsCounter, 0 mSdLazyCounter, 490 mSolverCounterSat, 174 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 2451 SdHoareTripleChecker+Invalid, 664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 174 IncrementalHoareTripleChecker+Valid, 490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:21:50,678 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 2451 Invalid, 664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [174 Valid, 490 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-20 12:21:50,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40855 states. [2022-11-20 12:21:52,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40855 to 36677. [2022-11-20 12:21:52,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36677 states, 26475 states have (on average 1.3638526912181304) internal successors, (36108), 26935 states have internal predecessors, (36108), 7449 states have call successors, (7449), 2731 states have call predecessors, (7449), 2714 states have return successors, (7432), 7342 states have call predecessors, (7432), 7432 states have call successors, (7432) [2022-11-20 12:21:53,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36677 states to 36677 states and 50989 transitions. [2022-11-20 12:21:53,149 INFO L78 Accepts]: Start accepts. Automaton has 36677 states and 50989 transitions. Word has length 77 [2022-11-20 12:21:53,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:21:53,150 INFO L495 AbstractCegarLoop]: Abstraction has 36677 states and 50989 transitions. [2022-11-20 12:21:53,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-20 12:21:53,150 INFO L276 IsEmpty]: Start isEmpty. Operand 36677 states and 50989 transitions. [2022-11-20 12:21:53,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-20 12:21:53,152 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:21:53,152 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2022-11-20 12:21:53,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-20 12:21:53,153 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 41 more)] === [2022-11-20 12:21:53,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:21:53,153 INFO L85 PathProgramCache]: Analyzing trace with hash -551051872, now seen corresponding path program 1 times [2022-11-20 12:21:53,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:21:53,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042473569] [2022-11-20 12:21:53,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:21:53,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:21:53,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:53,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:21:53,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:53,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 12:21:53,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:53,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 12:21:53,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:53,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 12:21:53,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:53,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 12:21:53,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:53,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 12:21:53,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:53,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-20 12:21:53,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:53,490 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-11-20 12:21:53,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:21:53,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042473569] [2022-11-20 12:21:53,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042473569] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:21:53,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2079987407] [2022-11-20 12:21:53,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:21:53,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:21:53,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b987a4c7-9f00-4432-bf37-09128ce7267f/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:21:53,499 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b987a4c7-9f00-4432-bf37-09128ce7267f/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:21:53,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b987a4c7-9f00-4432-bf37-09128ce7267f/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 12:21:54,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:54,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 1483 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 12:21:54,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:21:54,197 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-11-20 12:21:54,197 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:21:54,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2079987407] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:21:54,198 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 12:21:54,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-20 12:21:54,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394755130] [2022-11-20 12:21:54,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:21:54,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:21:54,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:21:54,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:21:54,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:21:54,201 INFO L87 Difference]: Start difference. First operand 36677 states and 50989 transitions. Second operand has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 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) [2022-11-20 12:21:56,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:21:56,250 INFO L93 Difference]: Finished difference Result 36677 states and 50989 transitions. [2022-11-20 12:21:56,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:21:56,251 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 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 78 [2022-11-20 12:21:56,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:21:56,415 INFO L225 Difference]: With dead ends: 36677 [2022-11-20 12:21:56,415 INFO L226 Difference]: Without dead ends: 36401 [2022-11-20 12:21:56,432 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:21:56,433 INFO L413 NwaCegarLoop]: 1035 mSDtfsCounter, 9 mSDsluCounter, 2051 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 3086 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:21:56,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 3086 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:21:56,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36401 states. [2022-11-20 12:21:58,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36401 to 36305. [2022-11-20 12:21:58,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36305 states, 26172 states have (on average 1.363671098884304) internal successors, (35690), 26631 states have internal predecessors, (35690), 7382 states have call successors, (7382), 2713 states have call predecessors, (7382), 2713 states have return successors, (7382), 7292 states have call predecessors, (7382), 7382 states have call successors, (7382) [2022-11-20 12:21:58,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36305 states to 36305 states and 50454 transitions. [2022-11-20 12:21:58,465 INFO L78 Accepts]: Start accepts. Automaton has 36305 states and 50454 transitions. Word has length 78 [2022-11-20 12:21:58,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:21:58,466 INFO L495 AbstractCegarLoop]: Abstraction has 36305 states and 50454 transitions. [2022-11-20 12:21:58,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 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) [2022-11-20 12:21:58,466 INFO L276 IsEmpty]: Start isEmpty. Operand 36305 states and 50454 transitions. [2022-11-20 12:21:58,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-11-20 12:21:58,469 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:21:58,469 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:21:58,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b987a4c7-9f00-4432-bf37-09128ce7267f/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-20 12:21:58,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b987a4c7-9f00-4432-bf37-09128ce7267f/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:21:58,678 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 41 more)] === [2022-11-20 12:21:58,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:21:58,679 INFO L85 PathProgramCache]: Analyzing trace with hash 394358355, now seen corresponding path program 1 times [2022-11-20 12:21:58,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:21:58,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464061236] [2022-11-20 12:21:58,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:21:58,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:21:58,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:59,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:21:59,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:59,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 12:21:59,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:59,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 12:21:59,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:59,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 12:21:59,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:59,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 12:21:59,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:59,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 12:21:59,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:59,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-20 12:21:59,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:59,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-20 12:21:59,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:59,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:21:59,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:59,160 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-11-20 12:21:59,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:21:59,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464061236] [2022-11-20 12:21:59,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464061236] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:21:59,161 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:21:59,161 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 12:21:59,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365769245] [2022-11-20 12:21:59,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:21:59,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:21:59,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:21:59,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:21:59,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:21:59,163 INFO L87 Difference]: Start difference. First operand 36305 states and 50454 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-20 12:22:02,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:22:02,326 INFO L93 Difference]: Finished difference Result 57515 states and 80310 transitions. [2022-11-20 12:22:02,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:22:02,327 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (9), 2 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 92 [2022-11-20 12:22:02,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:22:02,427 INFO L225 Difference]: With dead ends: 57515 [2022-11-20 12:22:02,427 INFO L226 Difference]: Without dead ends: 21225 [2022-11-20 12:22:02,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:22:02,531 INFO L413 NwaCegarLoop]: 916 mSDtfsCounter, 1179 mSDsluCounter, 600 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 257 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1248 SdHoareTripleChecker+Valid, 1516 SdHoareTripleChecker+Invalid, 599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 257 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-20 12:22:02,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1248 Valid, 1516 Invalid, 599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [257 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-20 12:22:02,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21225 states. [2022-11-20 12:22:03,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21225 to 19070. [2022-11-20 12:22:03,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19070 states, 13747 states have (on average 1.3558594602458718) internal successors, (18639), 14010 states have internal predecessors, (18639), 3852 states have call successors, (3852), 1433 states have call predecessors, (3852), 1433 states have return successors, (3852), 3792 states have call predecessors, (3852), 3852 states have call successors, (3852) [2022-11-20 12:22:04,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19070 states to 19070 states and 26343 transitions. [2022-11-20 12:22:04,010 INFO L78 Accepts]: Start accepts. Automaton has 19070 states and 26343 transitions. Word has length 92 [2022-11-20 12:22:04,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:22:04,011 INFO L495 AbstractCegarLoop]: Abstraction has 19070 states and 26343 transitions. [2022-11-20 12:22:04,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-20 12:22:04,011 INFO L276 IsEmpty]: Start isEmpty. Operand 19070 states and 26343 transitions. [2022-11-20 12:22:04,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-11-20 12:22:04,016 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:22:04,016 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:22:04,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-20 12:22:04,016 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 41 more)] === [2022-11-20 12:22:04,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:22:04,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1555527501, now seen corresponding path program 1 times [2022-11-20 12:22:04,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:22:04,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59620409] [2022-11-20 12:22:04,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:22:04,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:22:04,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:04,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:22:04,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:04,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 12:22:04,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:04,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 12:22:04,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:04,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 12:22:04,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:04,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 12:22:04,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:04,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 12:22:04,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:04,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-20 12:22:04,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:04,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-20 12:22:04,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:04,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-20 12:22:04,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:04,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-20 12:22:04,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:04,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 12:22:04,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:04,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-20 12:22:04,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:04,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-20 12:22:04,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:04,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-20 12:22:04,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:04,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-20 12:22:04,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:04,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-20 12:22:04,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:04,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-20 12:22:04,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:04,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-20 12:22:04,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:04,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-20 12:22:04,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:04,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-20 12:22:04,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:04,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-20 12:22:04,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:04,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-20 12:22:04,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:04,437 INFO L134 CoverageAnalysis]: Checked inductivity of 927 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2022-11-20 12:22:04,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:22:04,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59620409] [2022-11-20 12:22:04,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59620409] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:22:04,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:22:04,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 12:22:04,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009358945] [2022-11-20 12:22:04,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:22:04,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:22:04,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:22:04,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:22:04,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:22:04,441 INFO L87 Difference]: Start difference. First operand 19070 states and 26343 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 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) [2022-11-20 12:22:08,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:22:08,748 INFO L93 Difference]: Finished difference Result 51011 states and 71206 transitions. [2022-11-20 12:22:08,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 12:22:08,749 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 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) Word has length 175 [2022-11-20 12:22:08,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:22:08,847 INFO L225 Difference]: With dead ends: 51011 [2022-11-20 12:22:08,847 INFO L226 Difference]: Without dead ends: 32109 [2022-11-20 12:22:08,900 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:22:08,901 INFO L413 NwaCegarLoop]: 1302 mSDtfsCounter, 1234 mSDsluCounter, 1682 mSDsCounter, 0 mSdLazyCounter, 746 mSolverCounterSat, 370 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1310 SdHoareTripleChecker+Valid, 2984 SdHoareTripleChecker+Invalid, 1116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 370 IncrementalHoareTripleChecker+Valid, 746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:22:08,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1310 Valid, 2984 Invalid, 1116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [370 Valid, 746 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-20 12:22:08,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32109 states. [2022-11-20 12:22:10,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32109 to 28784. [2022-11-20 12:22:10,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28784 states, 20759 states have (on average 1.3520400790018787) internal successors, (28067), 21142 states have internal predecessors, (28067), 5810 states have call successors, (5810), 2177 states have call predecessors, (5810), 2177 states have return successors, (5810), 5718 states have call predecessors, (5810), 5810 states have call successors, (5810) [2022-11-20 12:22:10,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28784 states to 28784 states and 39687 transitions. [2022-11-20 12:22:10,584 INFO L78 Accepts]: Start accepts. Automaton has 28784 states and 39687 transitions. Word has length 175 [2022-11-20 12:22:10,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:22:10,585 INFO L495 AbstractCegarLoop]: Abstraction has 28784 states and 39687 transitions. [2022-11-20 12:22:10,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 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) [2022-11-20 12:22:10,585 INFO L276 IsEmpty]: Start isEmpty. Operand 28784 states and 39687 transitions. [2022-11-20 12:22:10,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-11-20 12:22:10,590 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:22:10,591 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:22:10,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-20 12:22:10,591 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting snd_mts64_rawmidi_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [snd_mts64_rawmidi_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, snd_mts64_rawmidi_openErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, snd_mts64_rawmidi_closeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-11-20 12:22:10,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:22:10,592 INFO L85 PathProgramCache]: Analyzing trace with hash 956197927, now seen corresponding path program 1 times [2022-11-20 12:22:10,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:22:10,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452504066] [2022-11-20 12:22:10,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:22:10,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:22:10,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:10,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:22:10,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:10,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 12:22:10,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:10,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 12:22:10,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:10,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 12:22:10,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:10,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 12:22:10,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:10,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 12:22:10,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:10,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-20 12:22:10,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:10,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-20 12:22:10,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:10,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-20 12:22:10,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:10,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-20 12:22:10,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:10,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 12:22:10,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:10,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-20 12:22:10,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:11,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-20 12:22:11,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:11,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-20 12:22:11,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:11,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-20 12:22:11,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:11,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-20 12:22:11,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:11,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-20 12:22:11,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:11,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-20 12:22:11,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:11,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-20 12:22:11,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:11,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-20 12:22:11,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:11,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-20 12:22:11,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:11,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-20 12:22:11,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:11,103 INFO L134 CoverageAnalysis]: Checked inductivity of 927 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2022-11-20 12:22:11,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:22:11,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452504066] [2022-11-20 12:22:11,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452504066] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:22:11,104 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:22:11,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 12:22:11,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235962955] [2022-11-20 12:22:11,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:22:11,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 12:22:11,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:22:11,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 12:22:11,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:22:11,107 INFO L87 Difference]: Start difference. First operand 28784 states and 39687 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 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) [2022-11-20 12:22:14,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:22:14,539 INFO L93 Difference]: Finished difference Result 60271 states and 83838 transitions. [2022-11-20 12:22:14,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 12:22:14,545 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 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) Word has length 178 [2022-11-20 12:22:14,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:22:14,642 INFO L225 Difference]: With dead ends: 60271 [2022-11-20 12:22:14,643 INFO L226 Difference]: Without dead ends: 30623 [2022-11-20 12:22:14,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:22:14,706 INFO L413 NwaCegarLoop]: 937 mSDtfsCounter, 160 mSDsluCounter, 2370 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 3307 SdHoareTripleChecker+Invalid, 855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-20 12:22:14,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 3307 Invalid, 855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 683 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-20 12:22:14,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30623 states. [2022-11-20 12:22:16,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30623 to 27698. [2022-11-20 12:22:16,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27698 states, 19995 states have (on average 1.358339584896224) internal successors, (27160), 20355 states have internal predecessors, (27160), 5583 states have call successors, (5583), 2082 states have call predecessors, (5583), 2082 states have return successors, (5583), 5514 states have call predecessors, (5583), 5583 states have call successors, (5583) [2022-11-20 12:22:16,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27698 states to 27698 states and 38326 transitions. [2022-11-20 12:22:16,200 INFO L78 Accepts]: Start accepts. Automaton has 27698 states and 38326 transitions. Word has length 178 [2022-11-20 12:22:16,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:22:16,201 INFO L495 AbstractCegarLoop]: Abstraction has 27698 states and 38326 transitions. [2022-11-20 12:22:16,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 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) [2022-11-20 12:22:16,201 INFO L276 IsEmpty]: Start isEmpty. Operand 27698 states and 38326 transitions. [2022-11-20 12:22:16,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-11-20 12:22:16,206 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:22:16,206 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:22:16,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-20 12:22:16,207 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting snd_mts64_rawmidi_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [snd_mts64_rawmidi_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, snd_mts64_rawmidi_openErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, snd_mts64_rawmidi_closeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-11-20 12:22:16,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:22:16,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1286864553, now seen corresponding path program 1 times [2022-11-20 12:22:16,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:22:16,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958965907] [2022-11-20 12:22:16,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:22:16,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:22:16,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:16,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:22:16,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:16,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 12:22:16,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:16,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 12:22:16,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:16,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 12:22:16,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:16,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 12:22:16,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:16,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 12:22:16,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:16,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-20 12:22:16,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:16,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-20 12:22:16,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:16,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-20 12:22:16,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:16,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-20 12:22:16,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:16,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-20 12:22:16,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:16,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-20 12:22:16,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:16,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-20 12:22:16,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:16,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-20 12:22:16,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:16,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-20 12:22:16,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:16,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-20 12:22:16,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:16,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-20 12:22:16,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:16,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-20 12:22:16,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:16,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-20 12:22:16,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:16,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-20 12:22:16,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:16,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-20 12:22:16,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:16,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-20 12:22:16,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:22:16,617 INFO L134 CoverageAnalysis]: Checked inductivity of 927 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2022-11-20 12:22:16,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:22:16,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958965907] [2022-11-20 12:22:16,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958965907] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:22:16,618 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:22:16,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 12:22:16,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124975040] [2022-11-20 12:22:16,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:22:16,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:22:16,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:22:16,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:22:16,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:22:16,621 INFO L87 Difference]: Start difference. First operand 27698 states and 38326 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 2 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) [2022-11-20 12:22:17,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:22:17,217 INFO L93 Difference]: Finished difference Result 27727 states and 38365 transitions. [2022-11-20 12:22:17,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:22:17,218 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 2 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) Word has length 181 [2022-11-20 12:22:17,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:22:17,223 INFO L225 Difference]: With dead ends: 27727 [2022-11-20 12:22:17,223 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 12:22:17,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:22:17,297 INFO L413 NwaCegarLoop]: 226 mSDtfsCounter, 239 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 12:22:17,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 390 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 12:22:17,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 12:22:17,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 12:22:17,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:22:17,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 12:22:17,303 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 181 [2022-11-20 12:22:17,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:22:17,304 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 12:22:17,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 2 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) [2022-11-20 12:22:17,304 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 12:22:17,304 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 12:22:17,308 INFO L805 garLoopResultBuilder]: Registering result SAFE for location snd_mts64_rawmidi_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 44 remaining) [2022-11-20 12:22:17,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location snd_mts64_rawmidi_openErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 44 remaining) [2022-11-20 12:22:17,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location snd_mts64_rawmidi_closeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 44 remaining) [2022-11-20 12:22:17,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location snd_mts64_rawmidi_closeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 44 remaining) [2022-11-20 12:22:17,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location mts64_device_readyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 44 remaining) [2022-11-20 12:22:17,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location mts64_device_readyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 44 remaining) [2022-11-20 12:22:17,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location snd_mts64_unregister_allErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 44 remaining) [2022-11-20 12:22:17,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location snd_mts64_unregister_allErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 44 remaining) [2022-11-20 12:22:17,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location mts64_device_closeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 44 remaining) [2022-11-20 12:22:17,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location mts64_device_closeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 44 remaining) [2022-11-20 12:22:17,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location mts64_device_initErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 44 remaining) [2022-11-20 12:22:17,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location mts64_device_initErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 44 remaining) [2022-11-20 12:22:17,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location snd_mts64_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 44 remaining) [2022-11-20 12:22:17,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location snd_mts64_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 44 remaining) [2022-11-20 12:22:17,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location snd_mts64_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 44 remaining) [2022-11-20 12:22:17,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location snd_mts64_probeErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 44 remaining) [2022-11-20 12:22:17,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location snd_mts64_probeErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 44 remaining) [2022-11-20 12:22:17,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location snd_mts64_probeErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 44 remaining) [2022-11-20 12:22:17,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location mts64_read_charErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 44 remaining) [2022-11-20 12:22:17,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location mts64_read_charErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 44 remaining) [2022-11-20 12:22:17,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location mts64_readErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 44 remaining) [2022-11-20 12:22:17,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location mts64_readErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 44 remaining) [2022-11-20 12:22:17,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location snd_mts64_rawmidi_output_triggerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 44 remaining) [2022-11-20 12:22:17,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location snd_mts64_rawmidi_output_triggerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 44 remaining) [2022-11-20 12:22:17,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location mts64_device_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 44 remaining) [2022-11-20 12:22:17,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location mts64_device_openErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 44 remaining) [2022-11-20 12:22:17,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 44 remaining) [2022-11-20 12:22:17,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 44 remaining) [2022-11-20 12:22:17,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 44 remaining) [2022-11-20 12:22:17,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 44 remaining) [2022-11-20 12:22:17,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 44 remaining) [2022-11-20 12:22:17,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 44 remaining) [2022-11-20 12:22:17,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 44 remaining) [2022-11-20 12:22:17,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 44 remaining) [2022-11-20 12:22:17,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 44 remaining) [2022-11-20 12:22:17,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 44 remaining) [2022-11-20 12:22:17,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 44 remaining) [2022-11-20 12:22:17,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 44 remaining) [2022-11-20 12:22:17,322 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 44 remaining) [2022-11-20 12:22:17,322 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 44 remaining) [2022-11-20 12:22:17,322 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 44 remaining) [2022-11-20 12:22:17,322 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 44 remaining) [2022-11-20 12:22:17,323 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 44 remaining) [2022-11-20 12:22:17,323 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 44 remaining) [2022-11-20 12:22:17,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-20 12:22:17,326 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.