./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-mts64.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29e025f4-7709-4741-9c5d-00819a088577/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29e025f4-7709-4741-9c5d-00819a088577/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29e025f4-7709-4741-9c5d-00819a088577/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29e025f4-7709-4741-9c5d-00819a088577/bin/uautomizer-verify-VRDe98Ueme/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_29e025f4-7709-4741-9c5d-00819a088577/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29e025f4-7709-4741-9c5d-00819a088577/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 425a3bbb125c6bdd9dab7ba3d2b6e465c36167f805fbb1bc755a03e911f07206 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:58:23,034 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:58:23,144 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29e025f4-7709-4741-9c5d-00819a088577/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-26 11:58:23,157 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:58:23,157 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:58:23,192 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:58:23,198 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:58:23,199 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:58:23,200 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:58:23,205 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:58:23,206 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:58:23,206 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:58:23,207 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:58:23,209 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:58:23,210 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:58:23,210 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:58:23,211 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:58:23,211 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:58:23,212 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:58:23,213 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:58:23,213 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:58:23,214 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:58:23,214 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-26 11:58:23,215 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:58:23,215 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:58:23,216 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:58:23,216 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:58:23,217 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:58:23,217 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:58:23,218 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:58:23,227 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:58:23,227 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:58:23,227 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:58:23,228 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:58:23,228 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:58:23,228 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:58:23,229 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:58:23,229 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:58:23,229 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:58:23,230 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:58:23,230 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:58:23,230 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_29e025f4-7709-4741-9c5d-00819a088577/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29e025f4-7709-4741-9c5d-00819a088577/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 425a3bbb125c6bdd9dab7ba3d2b6e465c36167f805fbb1bc755a03e911f07206 [2023-11-26 11:58:23,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:58:23,618 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:58:23,622 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:58:23,624 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:58:23,624 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:58:23,626 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29e025f4-7709-4741-9c5d-00819a088577/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-mts64.ko-entry_point.cil.out.i [2023-11-26 11:58:26,609 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:58:27,100 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:58:27,100 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29e025f4-7709-4741-9c5d-00819a088577/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-mts64.ko-entry_point.cil.out.i [2023-11-26 11:58:27,158 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29e025f4-7709-4741-9c5d-00819a088577/bin/uautomizer-verify-VRDe98Ueme/data/0e090afdf/9bca22cf74ab4b3ea767566c9a6c0055/FLAG804412af1 [2023-11-26 11:58:27,177 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29e025f4-7709-4741-9c5d-00819a088577/bin/uautomizer-verify-VRDe98Ueme/data/0e090afdf/9bca22cf74ab4b3ea767566c9a6c0055 [2023-11-26 11:58:27,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:58:27,186 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:58:27,191 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:58:27,191 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:58:27,197 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:58:27,198 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:58:27" (1/1) ... [2023-11-26 11:58:27,200 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d81b76c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:27, skipping insertion in model container [2023-11-26 11:58:27,200 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:58:27" (1/1) ... [2023-11-26 11:58:27,338 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:58:27,955 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3506] [2023-11-26 11:58:27,955 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3507-3508] [2023-11-26 11:58:28,549 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:58:28,581 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:58:28,672 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3506] [2023-11-26 11:58:28,672 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3507-3508] [2023-11-26 11:58:28,847 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:58:28,923 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:58:28,930 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:58:28,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:28 WrapperNode [2023-11-26 11:58:28,932 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:58:28,933 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:58:28,933 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:58:28,933 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:58:28,942 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:28" (1/1) ... [2023-11-26 11:58:29,010 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:28" (1/1) ... [2023-11-26 11:58:29,216 INFO L138 Inliner]: procedures = 158, calls = 844, calls flagged for inlining = 75, calls inlined = 63, statements flattened = 1961 [2023-11-26 11:58:29,217 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:58:29,217 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:58:29,218 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:58:29,219 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:58:29,231 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:28" (1/1) ... [2023-11-26 11:58:29,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:28" (1/1) ... [2023-11-26 11:58:29,249 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:28" (1/1) ... [2023-11-26 11:58:29,661 INFO L175 MemorySlicer]: Split 459 memory accesses to 18 slices as follows [5, 2, 10, 22, 8, 6, 33, 5, 33, 33, 5, 182, 12, 73, 1, 6, 13, 10]. 40 percent of accesses are in the largest equivalence class. The 248 initializations are split as follows [5, 2, 0, 22, 8, 0, 32, 0, 32, 32, 0, 31, 12, 72, 0, 0, 0, 0]. The 69 writes are split as follows [0, 0, 7, 0, 0, 5, 0, 3, 0, 0, 3, 45, 0, 0, 0, 5, 1, 0]. [2023-11-26 11:58:29,661 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:28" (1/1) ... [2023-11-26 11:58:29,662 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:28" (1/1) ... [2023-11-26 11:58:29,762 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:28" (1/1) ... [2023-11-26 11:58:29,777 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:28" (1/1) ... [2023-11-26 11:58:29,795 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:28" (1/1) ... [2023-11-26 11:58:29,822 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:28" (1/1) ... [2023-11-26 11:58:29,862 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:58:29,863 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:58:29,863 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:58:29,863 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:58:29,864 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:28" (1/1) ... [2023-11-26 11:58:29,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:58:29,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29e025f4-7709-4741-9c5d-00819a088577/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:58:29,896 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29e025f4-7709-4741-9c5d-00819a088577/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:58:29,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29e025f4-7709-4741-9c5d-00819a088577/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:58:29,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2023-11-26 11:58:29,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2023-11-26 11:58:29,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2023-11-26 11:58:29,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2023-11-26 11:58:29,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2023-11-26 11:58:29,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2023-11-26 11:58:29,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2023-11-26 11:58:29,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2023-11-26 11:58:29,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2023-11-26 11:58:29,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2023-11-26 11:58:29,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2023-11-26 11:58:29,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2023-11-26 11:58:29,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2023-11-26 11:58:29,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2023-11-26 11:58:29,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2023-11-26 11:58:29,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2023-11-26 11:58:29,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2023-11-26 11:58:29,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2023-11-26 11:58:29,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#0 [2023-11-26 11:58:29,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#1 [2023-11-26 11:58:29,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#2 [2023-11-26 11:58:29,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#3 [2023-11-26 11:58:29,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#4 [2023-11-26 11:58:29,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#5 [2023-11-26 11:58:29,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#6 [2023-11-26 11:58:29,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#7 [2023-11-26 11:58:29,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#8 [2023-11-26 11:58:29,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#9 [2023-11-26 11:58:29,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#10 [2023-11-26 11:58:29,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#11 [2023-11-26 11:58:29,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#12 [2023-11-26 11:58:29,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#13 [2023-11-26 11:58:29,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#14 [2023-11-26 11:58:29,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#15 [2023-11-26 11:58:29,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#16 [2023-11-26 11:58:29,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#17 [2023-11-26 11:58:29,950 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#0 [2023-11-26 11:58:29,950 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#1 [2023-11-26 11:58:29,950 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#2 [2023-11-26 11:58:29,950 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#3 [2023-11-26 11:58:29,951 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#4 [2023-11-26 11:58:29,951 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#5 [2023-11-26 11:58:29,951 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#6 [2023-11-26 11:58:29,951 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#7 [2023-11-26 11:58:29,952 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#8 [2023-11-26 11:58:29,952 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#9 [2023-11-26 11:58:29,952 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#10 [2023-11-26 11:58:29,952 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#11 [2023-11-26 11:58:29,952 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#12 [2023-11-26 11:58:29,952 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#13 [2023-11-26 11:58:29,953 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#14 [2023-11-26 11:58:29,953 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#15 [2023-11-26 11:58:29,953 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#16 [2023-11-26 11:58:29,953 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#17 [2023-11-26 11:58:29,953 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_rawmidi_open [2023-11-26 11:58:29,954 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_rawmidi_open [2023-11-26 11:58:29,954 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-26 11:58:29,954 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-26 11:58:29,954 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2023-11-26 11:58:29,954 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2023-11-26 11:58:29,954 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_rawmidi_close [2023-11-26 11:58:29,955 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_rawmidi_close [2023-11-26 11:58:29,955 INFO L130 BoogieDeclarations]: Found specification of procedure parport_unregister_device [2023-11-26 11:58:29,955 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_unregister_device [2023-11-26 11:58:29,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-26 11:58:29,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-26 11:58:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 11:58:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 11:58:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 11:58:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-26 11:58:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-26 11:58:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-26 11:58:29,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-26 11:58:29,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-26 11:58:29,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-26 11:58:29,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-26 11:58:29,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-26 11:58:29,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-26 11:58:29,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-26 11:58:29,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-26 11:58:29,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-26 11:58:29,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-26 11:58:29,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-26 11:58:29,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-26 11:58:29,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-26 11:58:29,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-26 11:58:29,959 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_write_command [2023-11-26 11:58:29,959 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_write_command [2023-11-26 11:58:29,960 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_ctl_smpte_time_info [2023-11-26 11:58:29,960 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_ctl_smpte_time_info [2023-11-26 11:58:29,960 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_write_data [2023-11-26 11:58:29,960 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_write_data [2023-11-26 11:58:29,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-26 11:58:29,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-26 11:58:29,961 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_remove [2023-11-26 11:58:29,961 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_remove [2023-11-26 11:58:29,961 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_ctl_smpte_time_get [2023-11-26 11:58:29,961 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_ctl_smpte_time_get [2023-11-26 11:58:29,962 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_detach [2023-11-26 11:58:29,962 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_detach [2023-11-26 11:58:29,962 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_device_close [2023-11-26 11:58:29,962 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_device_close [2023-11-26 11:58:29,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 11:58:29,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 11:58:29,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 11:58:29,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-26 11:58:29,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-26 11:58:29,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-26 11:58:29,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-26 11:58:29,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-26 11:58:29,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-26 11:58:29,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-26 11:58:29,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-26 11:58:29,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-26 11:58:29,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-26 11:58:29,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-26 11:58:29,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-26 11:58:29,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-26 11:58:29,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-26 11:58:29,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-26 11:58:29,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-26 11:58:29,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-26 11:58:29,966 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_device_init [2023-11-26 11:58:29,966 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_device_init [2023-11-26 11:58:29,966 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_read_char [2023-11-26 11:58:29,966 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_read_char [2023-11-26 11:58:29,967 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-26 11:58:29,967 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-26 11:58:29,967 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_read [2023-11-26 11:58:29,967 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_read [2023-11-26 11:58:29,967 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_probe_port [2023-11-26 11:58:29,968 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_probe_port [2023-11-26 11:58:29,968 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_device_open [2023-11-26 11:58:29,968 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_device_open [2023-11-26 11:58:29,968 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 11:58:29,968 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 11:58:29,968 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_smpte_stop [2023-11-26 11:58:29,969 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_smpte_stop [2023-11-26 11:58:29,969 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_disable_readout [2023-11-26 11:58:29,969 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_disable_readout [2023-11-26 11:58:29,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-26 11:58:29,969 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-26 11:58:29,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-26 11:58:29,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:58:29,970 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_ctl_smpte_time_put [2023-11-26 11:58:29,970 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_ctl_smpte_time_put [2023-11-26 11:58:29,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:58:29,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-26 11:58:29,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-26 11:58:29,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-26 11:58:29,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-26 11:58:29,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-26 11:58:29,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-26 11:58:29,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-26 11:58:29,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-26 11:58:29,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-26 11:58:29,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-26 11:58:29,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-26 11:58:29,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-26 11:58:29,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-26 11:58:29,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-26 11:58:29,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-26 11:58:29,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-26 11:58:29,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2023-11-26 11:58:29,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2023-11-26 11:58:29,976 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-26 11:58:29,976 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_enable_readout [2023-11-26 11:58:29,976 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_enable_readout [2023-11-26 11:58:29,977 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-26 11:58:29,977 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-26 11:58:29,977 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-26 11:58:29,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-26 11:58:29,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-26 11:58:29,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-26 11:58:29,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-26 11:58:29,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-26 11:58:29,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-26 11:58:29,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-26 11:58:29,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-26 11:58:29,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-26 11:58:29,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-26 11:58:29,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-26 11:58:29,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-26 11:58:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-26 11:58:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-26 11:58:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-26 11:58:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-26 11:58:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-26 11:58:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2023-11-26 11:58:29,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2023-11-26 11:58:29,981 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_write_midi [2023-11-26 11:58:29,981 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_write_midi [2023-11-26 11:58:29,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-26 11:58:29,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-26 11:58:29,982 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2023-11-26 11:58:29,982 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2023-11-26 11:58:29,982 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-26 11:58:29,982 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-26 11:58:29,982 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_device_ready [2023-11-26 11:58:29,982 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_device_ready [2023-11-26 11:58:29,983 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_probe [2023-11-26 11:58:29,983 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_probe [2023-11-26 11:58:29,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:58:29,983 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2023-11-26 11:58:29,983 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2023-11-26 11:58:29,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-26 11:58:29,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-26 11:58:29,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-26 11:58:29,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-26 11:58:29,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-26 11:58:29,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-26 11:58:29,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-26 11:58:29,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-26 11:58:29,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-26 11:58:29,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-26 11:58:29,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-26 11:58:29,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-26 11:58:29,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-26 11:58:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-26 11:58:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-26 11:58:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2023-11-26 11:58:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2023-11-26 11:58:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2023-11-26 11:58:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure snd_card_free [2023-11-26 11:58:29,987 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_card_free [2023-11-26 11:58:29,987 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2023-11-26 11:58:29,987 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2023-11-26 11:58:29,987 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_unregister_all [2023-11-26 11:58:29,987 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_unregister_all [2023-11-26 11:58:29,987 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_probe [2023-11-26 11:58:29,988 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_probe [2023-11-26 11:58:29,988 INFO L130 BoogieDeclarations]: Found specification of procedure parport_release [2023-11-26 11:58:29,988 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_release [2023-11-26 11:58:29,988 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_rawmidi_output_trigger [2023-11-26 11:58:29,988 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_rawmidi_output_trigger [2023-11-26 11:58:29,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:58:29,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 11:58:29,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 11:58:29,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-26 11:58:29,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-26 11:58:29,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-26 11:58:29,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-26 11:58:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-26 11:58:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-26 11:58:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-26 11:58:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-26 11:58:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-26 11:58:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-26 11:58:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-26 11:58:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-26 11:58:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-26 11:58:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-26 11:58:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-26 11:58:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_rawmidi_input_trigger [2023-11-26 11:58:29,992 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_rawmidi_input_trigger [2023-11-26 11:58:29,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-26 11:58:29,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-26 11:58:29,992 INFO L130 BoogieDeclarations]: Found specification of procedure __snd_printk [2023-11-26 11:58:29,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __snd_printk [2023-11-26 11:58:29,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:58:29,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:58:29,993 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_set_ops [2023-11-26 11:58:29,993 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_set_ops [2023-11-26 11:58:29,993 INFO L130 BoogieDeclarations]: Found specification of procedure parport_register_device [2023-11-26 11:58:29,993 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_register_device [2023-11-26 11:58:29,993 INFO L130 BoogieDeclarations]: Found specification of procedure parport_claim [2023-11-26 11:58:29,994 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_claim [2023-11-26 11:58:30,583 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:58:30,588 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:58:30,681 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-26 11:58:32,713 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:58:32,957 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:58:32,957 INFO L309 CfgBuilder]: Removed 18 assume(true) statements. [2023-11-26 11:58:32,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:58:32 BoogieIcfgContainer [2023-11-26 11:58:32,958 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:58:32,961 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:58:32,961 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:58:32,964 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:58:32,965 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:58:27" (1/3) ... [2023-11-26 11:58:32,965 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c0375a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:58:32, skipping insertion in model container [2023-11-26 11:58:32,966 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:28" (2/3) ... [2023-11-26 11:58:32,966 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c0375a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:58:32, skipping insertion in model container [2023-11-26 11:58:32,966 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:58:32" (3/3) ... [2023-11-26 11:58:32,967 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-mts64.ko-entry_point.cil.out.i [2023-11-26 11:58:32,987 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:58:32,987 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 45 error locations. [2023-11-26 11:58:33,057 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:58:33,064 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=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5edd0e72, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:58:33,064 INFO L358 AbstractCegarLoop]: Starting to check reachability of 45 error locations. [2023-11-26 11:58:33,073 INFO L276 IsEmpty]: Start isEmpty. Operand has 751 states, 477 states have (on average 1.4926624737945493) internal successors, (712), 542 states have internal predecessors, (712), 179 states have call successors, (179), 50 states have call predecessors, (179), 49 states have return successors, (167), 166 states have call predecessors, (167), 167 states have call successors, (167) [2023-11-26 11:58:33,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-26 11:58:33,085 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:58:33,086 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:58:33,087 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting snd_mts64_rawmidi_closeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [snd_mts64_rawmidi_closeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, snd_mts64_rawmidi_closeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2023-11-26 11:58:33,092 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:33,093 INFO L85 PathProgramCache]: Analyzing trace with hash -408117578, now seen corresponding path program 1 times [2023-11-26 11:58:33,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:33,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954566229] [2023-11-26 11:58:33,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:33,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:33,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:33,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:58:33,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:33,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 11:58:33,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:33,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 11:58:33,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:33,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-26 11:58:33,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:33,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-26 11:58:33,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:33,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-26 11:58:33,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:33,943 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-26 11:58:33,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:58:33,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954566229] [2023-11-26 11:58:33,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954566229] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:58:33,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:58:33,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:58:33,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110310283] [2023-11-26 11:58:33,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:58:33,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:58:33,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:58:33,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:58:34,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:58:34,004 INFO L87 Difference]: Start difference. First operand has 751 states, 477 states have (on average 1.4926624737945493) internal successors, (712), 542 states have internal predecessors, (712), 179 states have call successors, (179), 50 states have call predecessors, (179), 49 states have return successors, (167), 166 states have call predecessors, (167), 167 states have call successors, (167) Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-26 11:58:36,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:58:36,412 INFO L93 Difference]: Finished difference Result 2326 states and 3551 transitions. [2023-11-26 11:58:36,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 11:58:36,415 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 47 [2023-11-26 11:58:36,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:58:36,443 INFO L225 Difference]: With dead ends: 2326 [2023-11-26 11:58:36,443 INFO L226 Difference]: Without dead ends: 1540 [2023-11-26 11:58:36,454 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 [2023-11-26 11:58:36,458 INFO L413 NwaCegarLoop]: 863 mSDtfsCounter, 1261 mSDsluCounter, 1347 mSDsCounter, 0 mSdLazyCounter, 640 mSolverCounterSat, 460 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1351 SdHoareTripleChecker+Valid, 2210 SdHoareTripleChecker+Invalid, 1100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 460 IncrementalHoareTripleChecker+Valid, 640 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:58:36,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1351 Valid, 2210 Invalid, 1100 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [460 Valid, 640 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-26 11:58:36,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1540 states. [2023-11-26 11:58:36,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1540 to 1367. [2023-11-26 11:58:36,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1367 states, 912 states have (on average 1.4473684210526316) internal successors, (1320), 968 states have internal predecessors, (1320), 319 states have call successors, (319), 96 states have call predecessors, (319), 96 states have return successors, (317), 314 states have call predecessors, (317), 317 states have call successors, (317) [2023-11-26 11:58:36,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1367 states to 1367 states and 1956 transitions. [2023-11-26 11:58:36,655 INFO L78 Accepts]: Start accepts. Automaton has 1367 states and 1956 transitions. Word has length 47 [2023-11-26 11:58:36,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:58:36,656 INFO L495 AbstractCegarLoop]: Abstraction has 1367 states and 1956 transitions. [2023-11-26 11:58:36,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-26 11:58:36,658 INFO L276 IsEmpty]: Start isEmpty. Operand 1367 states and 1956 transitions. [2023-11-26 11:58:36,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-26 11:58:36,662 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:58:36,663 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:58:36,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:58:36,663 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [snd_mts64_rawmidi_closeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, snd_mts64_rawmidi_closeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2023-11-26 11:58:36,664 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:36,664 INFO L85 PathProgramCache]: Analyzing trace with hash -228062404, now seen corresponding path program 1 times [2023-11-26 11:58:36,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:36,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379161439] [2023-11-26 11:58:36,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:36,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:36,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:36,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:58:36,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:36,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 11:58:36,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:36,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 11:58:36,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:36,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-26 11:58:36,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:36,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-26 11:58:36,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:36,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-26 11:58:36,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:36,912 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-26 11:58:36,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:58:36,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379161439] [2023-11-26 11:58:36,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379161439] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:58:36,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:58:36,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:58:36,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58906747] [2023-11-26 11:58:36,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:58:36,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:58:36,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:58:36,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:58:36,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:58:36,917 INFO L87 Difference]: Start difference. First operand 1367 states and 1956 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-26 11:58:39,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:58:39,008 INFO L93 Difference]: Finished difference Result 4232 states and 6139 transitions. [2023-11-26 11:58:39,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 11:58:39,009 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 49 [2023-11-26 11:58:39,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:58:39,032 INFO L225 Difference]: With dead ends: 4232 [2023-11-26 11:58:39,032 INFO L226 Difference]: Without dead ends: 2878 [2023-11-26 11:58:39,038 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 [2023-11-26 11:58:39,040 INFO L413 NwaCegarLoop]: 876 mSDtfsCounter, 1187 mSDsluCounter, 1343 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 423 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1266 SdHoareTripleChecker+Valid, 2219 SdHoareTripleChecker+Invalid, 1056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 423 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-26 11:58:39,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1266 Valid, 2219 Invalid, 1056 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [423 Valid, 633 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-26 11:58:39,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2878 states. [2023-11-26 11:58:39,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2878 to 2578. [2023-11-26 11:58:39,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2578 states, 1741 states have (on average 1.4422745548535325) internal successors, (2511), 1813 states have internal predecessors, (2511), 607 states have call successors, (607), 190 states have call predecessors, (607), 190 states have return successors, (603), 596 states have call predecessors, (603), 603 states have call successors, (603) [2023-11-26 11:58:39,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2578 states to 2578 states and 3721 transitions. [2023-11-26 11:58:39,283 INFO L78 Accepts]: Start accepts. Automaton has 2578 states and 3721 transitions. Word has length 49 [2023-11-26 11:58:39,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:58:39,284 INFO L495 AbstractCegarLoop]: Abstraction has 2578 states and 3721 transitions. [2023-11-26 11:58:39,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-26 11:58:39,284 INFO L276 IsEmpty]: Start isEmpty. Operand 2578 states and 3721 transitions. [2023-11-26 11:58:39,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-26 11:58:39,290 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:58:39,290 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:58:39,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:58:39,296 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting snd_mts64_rawmidi_closeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [snd_mts64_rawmidi_closeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, snd_mts64_rawmidi_closeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2023-11-26 11:58:39,297 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:39,297 INFO L85 PathProgramCache]: Analyzing trace with hash -1235410915, now seen corresponding path program 1 times [2023-11-26 11:58:39,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:39,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132848899] [2023-11-26 11:58:39,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:39,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:39,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:39,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:58:39,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:39,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 11:58:39,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:39,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 11:58:39,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:39,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-26 11:58:39,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:39,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-26 11:58:39,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:39,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-26 11:58:39,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:39,648 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-26 11:58:39,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:58:39,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132848899] [2023-11-26 11:58:39,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132848899] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:58:39,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:58:39,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:58:39,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711312874] [2023-11-26 11:58:39,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:58:39,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:58:39,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:58:39,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:58:39,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:58:39,652 INFO L87 Difference]: Start difference. First operand 2578 states and 3721 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-26 11:58:41,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:58:41,742 INFO L93 Difference]: Finished difference Result 8085 states and 11816 transitions. [2023-11-26 11:58:41,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 11:58:41,743 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), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 53 [2023-11-26 11:58:41,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:58:41,785 INFO L225 Difference]: With dead ends: 8085 [2023-11-26 11:58:41,786 INFO L226 Difference]: Without dead ends: 5520 [2023-11-26 11:58:41,798 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 [2023-11-26 11:58:41,799 INFO L413 NwaCegarLoop]: 946 mSDtfsCounter, 1183 mSDsluCounter, 1391 mSDsCounter, 0 mSdLazyCounter, 656 mSolverCounterSat, 415 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1264 SdHoareTripleChecker+Valid, 2337 SdHoareTripleChecker+Invalid, 1071 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 415 IncrementalHoareTripleChecker+Valid, 656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-26 11:58:41,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1264 Valid, 2337 Invalid, 1071 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [415 Valid, 656 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-26 11:58:41,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5520 states. [2023-11-26 11:58:42,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5520 to 4960. [2023-11-26 11:58:42,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4960 states, 3373 states have (on average 1.4399644233619924) internal successors, (4857), 3479 states have internal predecessors, (4857), 1167 states have call successors, (1167), 380 states have call predecessors, (1167), 380 states have return successors, (1159), 1144 states have call predecessors, (1159), 1159 states have call successors, (1159) [2023-11-26 11:58:42,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4960 states to 4960 states and 7183 transitions. [2023-11-26 11:58:42,165 INFO L78 Accepts]: Start accepts. Automaton has 4960 states and 7183 transitions. Word has length 53 [2023-11-26 11:58:42,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:58:42,168 INFO L495 AbstractCegarLoop]: Abstraction has 4960 states and 7183 transitions. [2023-11-26 11:58:42,171 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), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-26 11:58:42,171 INFO L276 IsEmpty]: Start isEmpty. Operand 4960 states and 7183 transitions. [2023-11-26 11:58:42,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-26 11:58:42,175 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:58:42,176 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:58:42,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 11:58:42,176 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting snd_mts64_unregister_allErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [snd_mts64_rawmidi_closeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, snd_mts64_rawmidi_closeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2023-11-26 11:58:42,177 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:42,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1073043047, now seen corresponding path program 1 times [2023-11-26 11:58:42,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:42,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264029569] [2023-11-26 11:58:42,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:42,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:42,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:42,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:58:42,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:42,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 11:58:42,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:42,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 11:58:42,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:42,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-26 11:58:42,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:42,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-26 11:58:42,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:42,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-26 11:58:42,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:42,516 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-26 11:58:42,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:58:42,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264029569] [2023-11-26 11:58:42,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264029569] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:58:42,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:58:42,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:58:42,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426107293] [2023-11-26 11:58:42,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:58:42,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:58:42,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:58:42,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:58:42,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:58:42,519 INFO L87 Difference]: Start difference. First operand 4960 states and 7183 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) [2023-11-26 11:58:44,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:58:44,944 INFO L93 Difference]: Finished difference Result 15675 states and 22962 transitions. [2023-11-26 11:58:44,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 11:58:44,945 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 [2023-11-26 11:58:44,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:58:45,036 INFO L225 Difference]: With dead ends: 15675 [2023-11-26 11:58:45,036 INFO L226 Difference]: Without dead ends: 10688 [2023-11-26 11:58:45,062 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 [2023-11-26 11:58:45,064 INFO L413 NwaCegarLoop]: 992 mSDtfsCounter, 1182 mSDsluCounter, 1453 mSDsCounter, 0 mSdLazyCounter, 653 mSolverCounterSat, 407 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1253 SdHoareTripleChecker+Valid, 2445 SdHoareTripleChecker+Invalid, 1060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 407 IncrementalHoareTripleChecker+Valid, 653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-26 11:58:45,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1253 Valid, 2445 Invalid, 1060 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [407 Valid, 653 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-26 11:58:45,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10688 states. [2023-11-26 11:58:45,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10688 to 9586. [2023-11-26 11:58:45,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9586 states, 6580 states have (on average 1.4399696048632218) internal successors, (9475), 6730 states have internal predecessors, (9475), 2225 states have call successors, (2225), 746 states have call predecessors, (2225), 741 states have return successors, (2220), 2197 states have call predecessors, (2220), 2220 states have call successors, (2220) [2023-11-26 11:58:45,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9586 states to 9586 states and 13920 transitions. [2023-11-26 11:58:45,834 INFO L78 Accepts]: Start accepts. Automaton has 9586 states and 13920 transitions. Word has length 55 [2023-11-26 11:58:45,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:58:45,834 INFO L495 AbstractCegarLoop]: Abstraction has 9586 states and 13920 transitions. [2023-11-26 11:58:45,835 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) [2023-11-26 11:58:45,836 INFO L276 IsEmpty]: Start isEmpty. Operand 9586 states and 13920 transitions. [2023-11-26 11:58:45,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-26 11:58:45,838 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:58:45,839 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:58:45,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 11:58:45,839 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [snd_mts64_rawmidi_closeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, snd_mts64_rawmidi_closeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2023-11-26 11:58:45,839 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:45,840 INFO L85 PathProgramCache]: Analyzing trace with hash 859901081, now seen corresponding path program 1 times [2023-11-26 11:58:45,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:45,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260746774] [2023-11-26 11:58:45,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:45,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:45,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:46,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:58:46,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:46,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 11:58:46,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:46,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 11:58:46,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:46,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-26 11:58:46,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:46,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-26 11:58:46,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:46,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-26 11:58:46,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:46,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-26 11:58:46,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:46,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:58:46,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:46,147 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-26 11:58:46,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:58:46,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260746774] [2023-11-26 11:58:46,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260746774] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:58:46,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:58:46,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:58:46,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153623230] [2023-11-26 11:58:46,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:58:46,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:58:46,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:58:46,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:58:46,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:58:46,151 INFO L87 Difference]: Start difference. First operand 9586 states and 13920 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 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) [2023-11-26 11:58:49,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:58:49,220 INFO L93 Difference]: Finished difference Result 30304 states and 44526 transitions. [2023-11-26 11:58:49,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 11:58:49,221 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 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 60 [2023-11-26 11:58:49,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:58:49,405 INFO L225 Difference]: With dead ends: 30304 [2023-11-26 11:58:49,405 INFO L226 Difference]: Without dead ends: 20731 [2023-11-26 11:58:49,442 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 [2023-11-26 11:58:49,443 INFO L413 NwaCegarLoop]: 1424 mSDtfsCounter, 1105 mSDsluCounter, 1655 mSDsCounter, 0 mSdLazyCounter, 898 mSolverCounterSat, 278 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1192 SdHoareTripleChecker+Valid, 3079 SdHoareTripleChecker+Invalid, 1176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 278 IncrementalHoareTripleChecker+Valid, 898 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-26 11:58:49,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1192 Valid, 3079 Invalid, 1176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [278 Valid, 898 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-26 11:58:49,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20731 states. [2023-11-26 11:58:50,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20731 to 18637. [2023-11-26 11:58:50,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18637 states, 12782 states have (on average 1.435221405100923) internal successors, (18345), 13043 states have internal predecessors, (18345), 4362 states have call successors, (4362), 1462 states have call predecessors, (4362), 1453 states have return successors, (4353), 4307 states have call predecessors, (4353), 4353 states have call successors, (4353) [2023-11-26 11:58:50,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18637 states to 18637 states and 27060 transitions. [2023-11-26 11:58:50,877 INFO L78 Accepts]: Start accepts. Automaton has 18637 states and 27060 transitions. Word has length 60 [2023-11-26 11:58:50,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:58:50,879 INFO L495 AbstractCegarLoop]: Abstraction has 18637 states and 27060 transitions. [2023-11-26 11:58:50,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 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) [2023-11-26 11:58:50,879 INFO L276 IsEmpty]: Start isEmpty. Operand 18637 states and 27060 transitions. [2023-11-26 11:58:50,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-26 11:58:50,881 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:58:50,881 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:58:50,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 11:58:50,882 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting snd_mts64_unregister_allErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [snd_mts64_rawmidi_closeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, snd_mts64_rawmidi_closeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2023-11-26 11:58:50,882 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:50,882 INFO L85 PathProgramCache]: Analyzing trace with hash -55982956, now seen corresponding path program 1 times [2023-11-26 11:58:50,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:50,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386513053] [2023-11-26 11:58:50,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:50,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:50,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:51,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:58:51,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:51,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 11:58:51,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:51,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 11:58:51,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:51,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-26 11:58:51,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:51,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-26 11:58:51,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:51,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-26 11:58:51,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:51,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-26 11:58:51,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:51,162 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-26 11:58:51,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:58:51,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386513053] [2023-11-26 11:58:51,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386513053] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:58:51,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:58:51,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:58:51,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140649354] [2023-11-26 11:58:51,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:58:51,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:58:51,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:58:51,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:58:51,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:58:51,168 INFO L87 Difference]: Start difference. First operand 18637 states and 27060 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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) [2023-11-26 11:58:53,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:58:53,548 INFO L93 Difference]: Finished difference Result 39399 states and 57815 transitions. [2023-11-26 11:58:53,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 11:58:53,549 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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 65 [2023-11-26 11:58:53,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:58:53,650 INFO L225 Difference]: With dead ends: 39399 [2023-11-26 11:58:53,650 INFO L226 Difference]: Without dead ends: 20775 [2023-11-26 11:58:53,706 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 [2023-11-26 11:58:53,707 INFO L413 NwaCegarLoop]: 864 mSDtfsCounter, 158 mSDsluCounter, 1343 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 2207 SdHoareTripleChecker+Invalid, 783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-26 11:58:53,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 2207 Invalid, 783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [180 Valid, 603 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-26 11:58:53,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20775 states. [2023-11-26 11:58:54,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20775 to 18739. [2023-11-26 11:58:54,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18739 states, 12867 states have (on average 1.4336675215667989) internal successors, (18447), 13128 states have internal predecessors, (18447), 4379 states have call successors, (4379), 1462 states have call predecessors, (4379), 1453 states have return successors, (4370), 4324 states have call predecessors, (4370), 4370 states have call successors, (4370) [2023-11-26 11:58:54,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18739 states to 18739 states and 27196 transitions. [2023-11-26 11:58:54,950 INFO L78 Accepts]: Start accepts. Automaton has 18739 states and 27196 transitions. Word has length 65 [2023-11-26 11:58:54,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:58:54,951 INFO L495 AbstractCegarLoop]: Abstraction has 18739 states and 27196 transitions. [2023-11-26 11:58:54,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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) [2023-11-26 11:58:54,952 INFO L276 IsEmpty]: Start isEmpty. Operand 18739 states and 27196 transitions. [2023-11-26 11:58:54,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-26 11:58:54,955 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:58:54,955 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:58:54,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-26 11:58:54,957 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting snd_mts64_unregister_allErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [snd_mts64_rawmidi_closeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, snd_mts64_rawmidi_closeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2023-11-26 11:58:54,957 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:54,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1406710862, now seen corresponding path program 1 times [2023-11-26 11:58:54,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:54,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389994494] [2023-11-26 11:58:54,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:54,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:55,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:55,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:58:55,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:55,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 11:58:55,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:55,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 11:58:55,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:55,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-26 11:58:55,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:55,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-26 11:58:55,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:55,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-26 11:58:55,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:55,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-26 11:58:55,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:55,403 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-26 11:58:55,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:58:55,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389994494] [2023-11-26 11:58:55,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389994494] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 11:58:55,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [606376986] [2023-11-26 11:58:55,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:55,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:58:55,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29e025f4-7709-4741-9c5d-00819a088577/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:58:55,411 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29e025f4-7709-4741-9c5d-00819a088577/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:58:55,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29e025f4-7709-4741-9c5d-00819a088577/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 11:58:56,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:56,055 INFO L262 TraceCheckSpWp]: Trace formula consists of 1425 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 11:58:56,064 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:58:56,133 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-26 11:58:56,133 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:58:56,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [606376986] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:58:56,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 11:58:56,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2023-11-26 11:58:56,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980670348] [2023-11-26 11:58:56,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:58:56,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:58:56,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:58:56,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:58:56,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:58:56,136 INFO L87 Difference]: Start difference. First operand 18739 states and 27196 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-26 11:58:57,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:58:57,080 INFO L93 Difference]: Finished difference Result 18739 states and 27196 transitions. [2023-11-26 11:58:57,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 11:58:57,081 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 69 [2023-11-26 11:58:57,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:58:57,175 INFO L225 Difference]: With dead ends: 18739 [2023-11-26 11:58:57,175 INFO L226 Difference]: Without dead ends: 18738 [2023-11-26 11:58:57,186 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:58:57,187 INFO L413 NwaCegarLoop]: 928 mSDtfsCounter, 11 mSDsluCounter, 923 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 1851 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-26 11:58:57,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 1851 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-26 11:58:57,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18738 states. [2023-11-26 11:58:58,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18738 to 18738. [2023-11-26 11:58:58,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18738 states, 12867 states have (on average 1.4323463122717028) internal successors, (18430), 13127 states have internal predecessors, (18430), 4379 states have call successors, (4379), 1462 states have call predecessors, (4379), 1453 states have return successors, (4370), 4324 states have call predecessors, (4370), 4370 states have call successors, (4370) [2023-11-26 11:58:58,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18738 states to 18738 states and 27179 transitions. [2023-11-26 11:58:58,170 INFO L78 Accepts]: Start accepts. Automaton has 18738 states and 27179 transitions. Word has length 69 [2023-11-26 11:58:58,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:58:58,171 INFO L495 AbstractCegarLoop]: Abstraction has 18738 states and 27179 transitions. [2023-11-26 11:58:58,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-26 11:58:58,171 INFO L276 IsEmpty]: Start isEmpty. Operand 18738 states and 27179 transitions. [2023-11-26 11:58:58,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-26 11:58:58,173 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:58:58,173 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:58:58,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29e025f4-7709-4741-9c5d-00819a088577/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-26 11:58:58,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29e025f4-7709-4741-9c5d-00819a088577/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-26 11:58:58,388 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting snd_mts64_rawmidi_closeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [snd_mts64_rawmidi_closeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, snd_mts64_rawmidi_closeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2023-11-26 11:58:58,389 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:58,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1016592720, now seen corresponding path program 1 times [2023-11-26 11:58:58,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:58,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565883647] [2023-11-26 11:58:58,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:58,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:58,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:58,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:58:58,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:58,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 11:58:58,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:58,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 11:58:58,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:58,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-26 11:58:58,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:58,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-26 11:58:58,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:58,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-26 11:58:58,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:58,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-26 11:58:58,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:58,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:58:58,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:58,699 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-26 11:58:58,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:58:58,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565883647] [2023-11-26 11:58:58,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565883647] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:58:58,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:58:58,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:58:58,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116268269] [2023-11-26 11:58:58,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:58:58,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 11:58:58,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:58:58,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 11:58:58,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:58:58,704 INFO L87 Difference]: Start difference. First operand 18738 states and 27179 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 3 states have internal predecessors, (39), 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) [2023-11-26 11:59:03,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:59:03,162 INFO L93 Difference]: Finished difference Result 64170 states and 95136 transitions. [2023-11-26 11:59:03,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-26 11:59:03,163 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 3 states have internal predecessors, (39), 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 74 [2023-11-26 11:59:03,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:59:03,389 INFO L225 Difference]: With dead ends: 64170 [2023-11-26 11:59:03,389 INFO L226 Difference]: Without dead ends: 45445 [2023-11-26 11:59:03,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-26 11:59:03,451 INFO L413 NwaCegarLoop]: 963 mSDtfsCounter, 1762 mSDsluCounter, 2041 mSDsCounter, 0 mSdLazyCounter, 963 mSolverCounterSat, 964 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1868 SdHoareTripleChecker+Valid, 3004 SdHoareTripleChecker+Invalid, 1927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 964 IncrementalHoareTripleChecker+Valid, 963 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-11-26 11:59:03,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1868 Valid, 3004 Invalid, 1927 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [964 Valid, 963 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-11-26 11:59:03,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45445 states. [2023-11-26 11:59:05,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45445 to 34974. [2023-11-26 11:59:05,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34974 states, 24232 states have (on average 1.434673159458567) internal successors, (34765), 24692 states have internal predecessors, (34765), 7929 states have call successors, (7929), 2791 states have call predecessors, (7929), 2774 states have return successors, (7912), 7822 states have call predecessors, (7912), 7912 states have call successors, (7912) [2023-11-26 11:59:06,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34974 states to 34974 states and 50606 transitions. [2023-11-26 11:59:06,038 INFO L78 Accepts]: Start accepts. Automaton has 34974 states and 50606 transitions. Word has length 74 [2023-11-26 11:59:06,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:59:06,039 INFO L495 AbstractCegarLoop]: Abstraction has 34974 states and 50606 transitions. [2023-11-26 11:59:06,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 3 states have internal predecessors, (39), 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) [2023-11-26 11:59:06,039 INFO L276 IsEmpty]: Start isEmpty. Operand 34974 states and 50606 transitions. [2023-11-26 11:59:06,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-26 11:59:06,041 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:59:06,042 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:59:06,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-26 11:59:06,042 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting snd_mts64_unregister_allErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [snd_mts64_rawmidi_closeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, snd_mts64_rawmidi_closeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2023-11-26 11:59:06,043 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:06,043 INFO L85 PathProgramCache]: Analyzing trace with hash 658364553, now seen corresponding path program 1 times [2023-11-26 11:59:06,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:06,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935998145] [2023-11-26 11:59:06,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:06,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:06,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:06,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:59:06,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:06,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 11:59:06,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:06,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 11:59:06,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:06,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-26 11:59:06,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:06,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-26 11:59:06,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:06,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-26 11:59:06,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:06,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-26 11:59:06,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:06,304 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2023-11-26 11:59:06,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:59:06,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935998145] [2023-11-26 11:59:06,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935998145] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:59:06,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:59:06,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:59:06,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39922042] [2023-11-26 11:59:06,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:59:06,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:59:06,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:59:06,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:59:06,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:59:06,308 INFO L87 Difference]: Start difference. First operand 34974 states and 50606 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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)