/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -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 -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:20:32,999 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:20:33,002 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:20:33,048 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:20:33,049 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:20:33,050 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:20:33,052 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:20:33,054 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:20:33,057 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:20:33,058 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:20:33,059 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:20:33,061 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:20:33,061 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:20:33,062 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:20:33,064 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:20:33,065 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:20:33,066 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:20:33,067 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:20:33,069 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:20:33,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:20:33,073 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:20:33,075 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:20:33,076 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:20:33,078 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:20:33,082 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:20:33,083 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:20:33,083 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:20:33,084 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:20:33,085 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:20:33,086 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:20:33,086 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:20:33,087 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:20:33,088 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:20:33,089 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:20:33,090 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:20:33,091 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:20:33,092 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:20:33,092 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:20:33,092 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:20:33,093 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:20:33,094 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:20:33,095 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 21:20:33,145 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:20:33,148 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:20:33,149 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:20:33,149 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:20:33,151 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:20:33,152 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:20:33,154 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:20:33,154 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:20:33,155 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:20:33,155 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:20:33,156 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:20:33,156 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:20:33,156 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:20:33,157 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:20:33,157 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:20:33,157 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:20:33,157 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:20:33,157 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:20:33,158 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:20:33,158 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:20:33,158 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:20:33,158 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:20:33,158 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:20:33,159 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:20:33,159 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:20:33,159 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:20:33,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:20:33,160 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:20:33,160 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:20:33,160 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:20:33,160 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:20:33,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:20:33,161 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:20:33,161 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:20:33,611 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:20:33,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:20:33,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:20:33,643 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:20:33,644 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:20:33,646 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-mts64.ko-entry_point.cil.out.i [2022-10-15 21:20:33,753 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a61060399/cc9bd5a8b54c4ab9856bdac95145e540/FLAGa663d543c [2022-10-15 21:20:34,961 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:20:34,965 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-mts64.ko-entry_point.cil.out.i [2022-10-15 21:20:35,015 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a61060399/cc9bd5a8b54c4ab9856bdac95145e540/FLAGa663d543c [2022-10-15 21:20:35,432 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a61060399/cc9bd5a8b54c4ab9856bdac95145e540 [2022-10-15 21:20:35,437 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:20:35,446 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:20:35,450 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:20:35,450 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:20:35,455 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:20:35,456 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:20:35" (1/1) ... [2022-10-15 21:20:35,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5218c2c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:35, skipping insertion in model container [2022-10-15 21:20:35,457 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:20:35" (1/1) ... [2022-10-15 21:20:35,466 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:20:35,563 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:20:36,219 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3506] [2022-10-15 21:20:36,220 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3507-3508] [2022-10-15 21:20:36,419 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-mts64.ko-entry_point.cil.out.i[103871,103884] [2022-10-15 21:20:36,984 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:20:37,041 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:20:37,173 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3506] [2022-10-15 21:20:37,174 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3507-3508] [2022-10-15 21:20:37,194 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-mts64.ko-entry_point.cil.out.i[103871,103884] [2022-10-15 21:20:37,467 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:20:37,627 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:20:37,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:37 WrapperNode [2022-10-15 21:20:37,628 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:20:37,634 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:20:37,635 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:20:37,635 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:20:37,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:37" (1/1) ... [2022-10-15 21:20:37,744 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:37" (1/1) ... [2022-10-15 21:20:37,964 INFO L138 Inliner]: procedures = 158, calls = 832, calls flagged for inlining = 74, calls inlined = 62, statements flattened = 1857 [2022-10-15 21:20:37,965 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:20:37,966 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:20:37,966 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:20:37,967 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:20:37,979 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:37" (1/1) ... [2022-10-15 21:20:37,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:37" (1/1) ... [2022-10-15 21:20:38,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:37" (1/1) ... [2022-10-15 21:20:38,022 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:37" (1/1) ... [2022-10-15 21:20:38,091 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:37" (1/1) ... [2022-10-15 21:20:38,106 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:37" (1/1) ... [2022-10-15 21:20:38,124 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:37" (1/1) ... [2022-10-15 21:20:38,143 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:37" (1/1) ... [2022-10-15 21:20:38,172 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:20:38,174 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:20:38,174 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:20:38,174 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:20:38,177 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:37" (1/1) ... [2022-10-15 21:20:38,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:20:38,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:20:38,223 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 21:20:38,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 21:20:38,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-15 21:20:38,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-10-15 21:20:38,321 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-10-15 21:20:38,322 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_rawmidi_open [2022-10-15 21:20:38,322 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_rawmidi_open [2022-10-15 21:20:38,322 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-10-15 21:20:38,322 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-10-15 21:20:38,322 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2022-10-15 21:20:38,323 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2022-10-15 21:20:38,323 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_rawmidi_close [2022-10-15 21:20:38,323 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_rawmidi_close [2022-10-15 21:20:38,323 INFO L130 BoogieDeclarations]: Found specification of procedure parport_unregister_device [2022-10-15 21:20:38,323 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_unregister_device [2022-10-15 21:20:38,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-15 21:20:38,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-15 21:20:38,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:20:38,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-10-15 21:20:38,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-10-15 21:20:38,324 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_write_command [2022-10-15 21:20:38,324 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_write_command [2022-10-15 21:20:38,325 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_ctl_smpte_time_info [2022-10-15 21:20:38,325 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_ctl_smpte_time_info [2022-10-15 21:20:38,325 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_write_data [2022-10-15 21:20:38,325 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_write_data [2022-10-15 21:20:38,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 21:20:38,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 21:20:38,326 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_remove [2022-10-15 21:20:38,326 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_remove [2022-10-15 21:20:38,326 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_ctl_smpte_time_get [2022-10-15 21:20:38,326 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_ctl_smpte_time_get [2022-10-15 21:20:38,326 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_detach [2022-10-15 21:20:38,327 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_detach [2022-10-15 21:20:38,327 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_device_close [2022-10-15 21:20:38,327 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_device_close [2022-10-15 21:20:38,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:20:38,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-15 21:20:38,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-15 21:20:38,328 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_device_init [2022-10-15 21:20:38,328 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_device_init [2022-10-15 21:20:38,328 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_read_char [2022-10-15 21:20:38,328 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_read_char [2022-10-15 21:20:38,328 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-10-15 21:20:38,328 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-10-15 21:20:38,329 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_read [2022-10-15 21:20:38,329 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_read [2022-10-15 21:20:38,329 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_probe_port [2022-10-15 21:20:38,330 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_probe_port [2022-10-15 21:20:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_device_open [2022-10-15 21:20:38,331 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_device_open [2022-10-15 21:20:38,331 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-15 21:20:38,331 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-15 21:20:38,332 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_smpte_stop [2022-10-15 21:20:38,332 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_smpte_stop [2022-10-15 21:20:38,332 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_disable_readout [2022-10-15 21:20:38,333 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_disable_readout [2022-10-15 21:20:38,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:20:38,333 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-10-15 21:20:38,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-10-15 21:20:38,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:20:38,335 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_ctl_smpte_time_put [2022-10-15 21:20:38,335 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_ctl_smpte_time_put [2022-10-15 21:20:38,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:20:38,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:20:38,336 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_enable_readout [2022-10-15 21:20:38,337 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_enable_readout [2022-10-15 21:20:38,338 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-10-15 21:20:38,338 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-10-15 21:20:38,338 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-15 21:20:38,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-15 21:20:38,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:20:38,339 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_write_midi [2022-10-15 21:20:38,339 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_write_midi [2022-10-15 21:20:38,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-10-15 21:20:38,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-10-15 21:20:38,341 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2022-10-15 21:20:38,341 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2022-10-15 21:20:38,341 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-15 21:20:38,342 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-15 21:20:38,342 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_device_ready [2022-10-15 21:20:38,342 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_device_ready [2022-10-15 21:20:38,342 INFO L130 BoogieDeclarations]: Found specification of procedure mts64_probe [2022-10-15 21:20:38,342 INFO L138 BoogieDeclarations]: Found implementation of procedure mts64_probe [2022-10-15 21:20:38,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:20:38,344 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2022-10-15 21:20:38,345 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2022-10-15 21:20:38,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:20:38,345 INFO L130 BoogieDeclarations]: Found specification of procedure snd_card_free [2022-10-15 21:20:38,346 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_card_free [2022-10-15 21:20:38,346 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2022-10-15 21:20:38,347 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2022-10-15 21:20:38,347 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_unregister_all [2022-10-15 21:20:38,347 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_unregister_all [2022-10-15 21:20:38,348 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_probe [2022-10-15 21:20:38,348 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_probe [2022-10-15 21:20:38,348 INFO L130 BoogieDeclarations]: Found specification of procedure parport_release [2022-10-15 21:20:38,348 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_release [2022-10-15 21:20:38,348 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_rawmidi_output_trigger [2022-10-15 21:20:38,348 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_rawmidi_output_trigger [2022-10-15 21:20:38,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:20:38,349 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mts64_rawmidi_input_trigger [2022-10-15 21:20:38,349 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mts64_rawmidi_input_trigger [2022-10-15 21:20:38,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-15 21:20:38,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-15 21:20:38,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:20:38,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:20:38,350 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_set_ops [2022-10-15 21:20:38,350 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_set_ops [2022-10-15 21:20:38,351 INFO L130 BoogieDeclarations]: Found specification of procedure parport_register_device [2022-10-15 21:20:38,351 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_register_device [2022-10-15 21:20:38,351 INFO L130 BoogieDeclarations]: Found specification of procedure parport_claim [2022-10-15 21:20:38,351 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_claim [2022-10-15 21:20:38,979 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:20:38,983 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:20:39,159 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-15 21:20:41,147 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:20:41,163 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:20:41,163 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-15 21:20:41,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:20:41 BoogieIcfgContainer [2022-10-15 21:20:41,167 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:20:41,170 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:20:41,170 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:20:41,174 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:20:41,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:20:35" (1/3) ... [2022-10-15 21:20:41,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@613a96b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:20:41, skipping insertion in model container [2022-10-15 21:20:41,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:37" (2/3) ... [2022-10-15 21:20:41,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@613a96b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:20:41, skipping insertion in model container [2022-10-15 21:20:41,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:20:41" (3/3) ... [2022-10-15 21:20:41,178 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-mts64.ko-entry_point.cil.out.i [2022-10-15 21:20:41,204 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:20:41,204 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2022-10-15 21:20:41,298 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:20:41,309 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1976cf42, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:20:41,309 INFO L358 AbstractCegarLoop]: Starting to check reachability of 44 error locations. [2022-10-15 21:20:41,319 INFO L276 IsEmpty]: Start isEmpty. Operand has 811 states, 547 states have (on average 1.4095063985374772) internal successors, (771), 611 states have internal predecessors, (771), 171 states have call successors, (171), 49 states have call predecessors, (171), 48 states have return successors, (159), 158 states have call predecessors, (159), 159 states have call successors, (159) [2022-10-15 21:20:41,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-15 21:20:41,335 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:20:41,336 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:20:41,336 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting snd_mts64_rawmidi_closeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [snd_mts64_rawmidi_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, snd_mts64_rawmidi_openErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, snd_mts64_rawmidi_closeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 21:20:41,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:20:41,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1782240978, now seen corresponding path program 1 times [2022-10-15 21:20:41,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:20:41,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412739230] [2022-10-15 21:20:41,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:20:41,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:20:41,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:42,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:20:42,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:42,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:20:42,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:42,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:20:42,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:42,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:20:42,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:42,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-15 21:20:42,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:42,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-15 21:20:42,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:42,232 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-15 21:20:42,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:20:42,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412739230] [2022-10-15 21:20:42,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412739230] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:20:42,234 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:20:42,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:20:42,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85006077] [2022-10-15 21:20:42,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:20:42,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:20:42,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:20:42,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:20:42,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:20:42,293 INFO L87 Difference]: Start difference. First operand has 811 states, 547 states have (on average 1.4095063985374772) internal successors, (771), 611 states have internal predecessors, (771), 171 states have call successors, (171), 49 states have call predecessors, (171), 48 states have return successors, (159), 158 states have call predecessors, (159), 159 states have call successors, (159) Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-10-15 21:20:44,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:20:44,552 INFO L93 Difference]: Finished difference Result 2549 states and 3735 transitions. [2022-10-15 21:20:44,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:20:44,555 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 49 [2022-10-15 21:20:44,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:20:44,591 INFO L225 Difference]: With dead ends: 2549 [2022-10-15 21:20:44,591 INFO L226 Difference]: Without dead ends: 1700 [2022-10-15 21:20:44,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:20:44,611 INFO L413 NwaCegarLoop]: 1188 mSDtfsCounter, 1357 mSDsluCounter, 1581 mSDsCounter, 0 mSdLazyCounter, 573 mSolverCounterSat, 469 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1441 SdHoareTripleChecker+Valid, 2769 SdHoareTripleChecker+Invalid, 1042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 469 IncrementalHoareTripleChecker+Valid, 573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-10-15 21:20:44,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1441 Valid, 2769 Invalid, 1042 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [469 Valid, 573 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-10-15 21:20:44,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1700 states. [2022-10-15 21:20:44,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1700 to 1480. [2022-10-15 21:20:44,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1480 states, 1043 states have (on average 1.3662511984659635) internal successors, (1425), 1099 states have internal predecessors, (1425), 303 states have call successors, (303), 94 states have call predecessors, (303), 94 states have return successors, (301), 298 states have call predecessors, (301), 301 states have call successors, (301) [2022-10-15 21:20:44,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1480 states to 1480 states and 2029 transitions. [2022-10-15 21:20:44,902 INFO L78 Accepts]: Start accepts. Automaton has 1480 states and 2029 transitions. Word has length 49 [2022-10-15 21:20:44,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:20:44,903 INFO L495 AbstractCegarLoop]: Abstraction has 1480 states and 2029 transitions. [2022-10-15 21:20:44,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-10-15 21:20:44,904 INFO L276 IsEmpty]: Start isEmpty. Operand 1480 states and 2029 transitions. [2022-10-15 21:20:44,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-15 21:20:44,908 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:20:44,909 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:20:44,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:20:44,910 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [snd_mts64_rawmidi_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, snd_mts64_rawmidi_openErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, snd_mts64_rawmidi_closeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 21:20:44,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:20:44,910 INFO L85 PathProgramCache]: Analyzing trace with hash 331636071, now seen corresponding path program 1 times [2022-10-15 21:20:44,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:20:44,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883935486] [2022-10-15 21:20:44,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:20:44,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:20:44,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:45,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:20:45,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:45,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:20:45,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:45,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:20:45,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:45,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:20:45,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:45,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-15 21:20:45,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:45,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-15 21:20:45,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:45,166 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-15 21:20:45,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:20:45,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883935486] [2022-10-15 21:20:45,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883935486] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:20:45,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:20:45,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:20:45,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571785972] [2022-10-15 21:20:45,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:20:45,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:20:45,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:20:45,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:20:45,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:20:45,171 INFO L87 Difference]: Start difference. First operand 1480 states and 2029 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-10-15 21:20:47,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:20:47,103 INFO L93 Difference]: Finished difference Result 4632 states and 6427 transitions. [2022-10-15 21:20:47,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:20:47,104 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 52 [2022-10-15 21:20:47,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:20:47,133 INFO L225 Difference]: With dead ends: 4632 [2022-10-15 21:20:47,133 INFO L226 Difference]: Without dead ends: 3167 [2022-10-15 21:20:47,142 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:20:47,144 INFO L413 NwaCegarLoop]: 1184 mSDtfsCounter, 1271 mSDsluCounter, 1558 mSDsCounter, 0 mSdLazyCounter, 568 mSolverCounterSat, 433 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1343 SdHoareTripleChecker+Valid, 2742 SdHoareTripleChecker+Invalid, 1001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 433 IncrementalHoareTripleChecker+Valid, 568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-15 21:20:47,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1343 Valid, 2742 Invalid, 1001 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [433 Valid, 568 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-15 21:20:47,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3167 states. [2022-10-15 21:20:47,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3167 to 2777. [2022-10-15 21:20:47,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2777 states, 1976 states have (on average 1.3633603238866396) internal successors, (2694), 2048 states have internal predecessors, (2694), 575 states have call successors, (575), 186 states have call predecessors, (575), 186 states have return successors, (571), 564 states have call predecessors, (571), 571 states have call successors, (571) [2022-10-15 21:20:47,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2777 states to 2777 states and 3840 transitions. [2022-10-15 21:20:47,362 INFO L78 Accepts]: Start accepts. Automaton has 2777 states and 3840 transitions. Word has length 52 [2022-10-15 21:20:47,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:20:47,363 INFO L495 AbstractCegarLoop]: Abstraction has 2777 states and 3840 transitions. [2022-10-15 21:20:47,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-10-15 21:20:47,364 INFO L276 IsEmpty]: Start isEmpty. Operand 2777 states and 3840 transitions. [2022-10-15 21:20:47,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-15 21:20:47,367 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:20:47,367 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:20:47,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:20:47,368 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting snd_mts64_rawmidi_closeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [snd_mts64_rawmidi_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, snd_mts64_rawmidi_openErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, snd_mts64_rawmidi_closeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 21:20:47,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:20:47,368 INFO L85 PathProgramCache]: Analyzing trace with hash -731243467, now seen corresponding path program 1 times [2022-10-15 21:20:47,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:20:47,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191936628] [2022-10-15 21:20:47,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:20:47,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:20:47,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:47,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:20:47,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:47,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:20:47,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:47,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:20:47,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:47,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:20:47,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:47,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-15 21:20:47,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:47,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-15 21:20:47,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:47,653 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-15 21:20:47,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:20:47,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191936628] [2022-10-15 21:20:47,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191936628] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:20:47,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:20:47,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:20:47,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314928912] [2022-10-15 21:20:47,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:20:47,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:20:47,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:20:47,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:20:47,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:20:47,657 INFO L87 Difference]: Start difference. First operand 2777 states and 3840 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-10-15 21:20:49,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:20:49,701 INFO L93 Difference]: Finished difference Result 8837 states and 12348 transitions. [2022-10-15 21:20:49,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:20:49,701 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 55 [2022-10-15 21:20:49,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:20:49,755 INFO L225 Difference]: With dead ends: 8837 [2022-10-15 21:20:49,755 INFO L226 Difference]: Without dead ends: 6075 [2022-10-15 21:20:49,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:20:49,825 INFO L413 NwaCegarLoop]: 1262 mSDtfsCounter, 1274 mSDsluCounter, 1622 mSDsCounter, 0 mSdLazyCounter, 563 mSolverCounterSat, 425 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1349 SdHoareTripleChecker+Valid, 2884 SdHoareTripleChecker+Invalid, 988 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 425 IncrementalHoareTripleChecker+Valid, 563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-15 21:20:49,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1349 Valid, 2884 Invalid, 988 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [425 Valid, 563 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-15 21:20:49,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6075 states. [2022-10-15 21:20:50,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6075 to 5339. [2022-10-15 21:20:50,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5339 states, 3824 states have (on average 1.360878661087866) internal successors, (5204), 3930 states have internal predecessors, (5204), 1103 states have call successors, (1103), 372 states have call predecessors, (1103), 372 states have return successors, (1095), 1080 states have call predecessors, (1095), 1095 states have call successors, (1095) [2022-10-15 21:20:50,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5339 states to 5339 states and 7402 transitions. [2022-10-15 21:20:50,221 INFO L78 Accepts]: Start accepts. Automaton has 5339 states and 7402 transitions. Word has length 55 [2022-10-15 21:20:50,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:20:50,222 INFO L495 AbstractCegarLoop]: Abstraction has 5339 states and 7402 transitions. [2022-10-15 21:20:50,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-10-15 21:20:50,223 INFO L276 IsEmpty]: Start isEmpty. Operand 5339 states and 7402 transitions. [2022-10-15 21:20:50,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-15 21:20:50,226 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:20:50,226 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:20:50,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 21:20:50,227 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting snd_mts64_unregister_allErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [snd_mts64_rawmidi_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, snd_mts64_rawmidi_openErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, snd_mts64_rawmidi_closeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 21:20:50,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:20:50,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1502343784, now seen corresponding path program 1 times [2022-10-15 21:20:50,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:20:50,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587991645] [2022-10-15 21:20:50,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:20:50,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:20:50,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:50,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:20:50,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:50,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:20:50,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:50,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:20:50,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:50,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:20:50,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:50,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-15 21:20:50,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:50,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-15 21:20:50,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:50,503 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-15 21:20:50,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:20:50,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587991645] [2022-10-15 21:20:50,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587991645] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:20:50,507 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:20:50,507 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:20:50,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225244212] [2022-10-15 21:20:50,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:20:50,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:20:50,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:20:50,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:20:50,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:20:50,509 INFO L87 Difference]: Start difference. First operand 5339 states and 7402 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-10-15 21:20:52,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:20:52,752 INFO L93 Difference]: Finished difference Result 17083 states and 23926 transitions. [2022-10-15 21:20:52,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:20:52,752 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 58 [2022-10-15 21:20:52,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:20:52,851 INFO L225 Difference]: With dead ends: 17083 [2022-10-15 21:20:52,852 INFO L226 Difference]: Without dead ends: 11639 [2022-10-15 21:20:52,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:20:52,885 INFO L413 NwaCegarLoop]: 1303 mSDtfsCounter, 1269 mSDsluCounter, 1677 mSDsCounter, 0 mSdLazyCounter, 553 mSolverCounterSat, 417 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1334 SdHoareTripleChecker+Valid, 2980 SdHoareTripleChecker+Invalid, 970 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 417 IncrementalHoareTripleChecker+Valid, 553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-15 21:20:52,885 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1334 Valid, 2980 Invalid, 970 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [417 Valid, 553 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-15 21:20:52,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11639 states. [2022-10-15 21:20:53,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11639 to 10239. [2022-10-15 21:20:53,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10239 states, 7377 states have (on average 1.364240206045818) internal successors, (10064), 7527 states have internal predecessors, (10064), 2097 states have call successors, (2097), 730 states have call predecessors, (2097), 725 states have return successors, (2092), 2069 states have call predecessors, (2092), 2092 states have call successors, (2092) [2022-10-15 21:20:53,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10239 states to 10239 states and 14253 transitions. [2022-10-15 21:20:53,835 INFO L78 Accepts]: Start accepts. Automaton has 10239 states and 14253 transitions. Word has length 58 [2022-10-15 21:20:53,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:20:53,836 INFO L495 AbstractCegarLoop]: Abstraction has 10239 states and 14253 transitions. [2022-10-15 21:20:53,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-10-15 21:20:53,838 INFO L276 IsEmpty]: Start isEmpty. Operand 10239 states and 14253 transitions. [2022-10-15 21:20:53,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-15 21:20:53,841 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:20:53,842 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:20:53,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 21:20:53,843 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [snd_mts64_rawmidi_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, snd_mts64_rawmidi_openErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, snd_mts64_rawmidi_closeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 21:20:53,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:20:53,844 INFO L85 PathProgramCache]: Analyzing trace with hash 2029466273, now seen corresponding path program 1 times [2022-10-15 21:20:53,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:20:53,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913233456] [2022-10-15 21:20:53,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:20:53,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:20:53,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:54,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:20:54,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:54,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:20:54,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:54,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:20:54,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:54,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:20:54,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:54,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-15 21:20:54,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:54,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-15 21:20:54,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:54,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-15 21:20:54,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:54,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:20:54,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:54,266 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-15 21:20:54,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:20:54,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913233456] [2022-10-15 21:20:54,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913233456] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:20:54,268 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:20:54,268 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:20:54,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880168431] [2022-10-15 21:20:54,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:20:54,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:20:54,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:20:54,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:20:54,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:20:54,272 INFO L87 Difference]: Start difference. First operand 10239 states and 14253 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-15 21:20:57,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:20:57,236 INFO L93 Difference]: Finished difference Result 32609 states and 45859 transitions. [2022-10-15 21:20:57,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:20:57,237 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 65 [2022-10-15 21:20:57,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:20:57,397 INFO L225 Difference]: With dead ends: 32609 [2022-10-15 21:20:57,398 INFO L226 Difference]: Without dead ends: 22385 [2022-10-15 21:20:57,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:20:57,464 INFO L413 NwaCegarLoop]: 1755 mSDtfsCounter, 1167 mSDsluCounter, 1893 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 310 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1248 SdHoareTripleChecker+Valid, 3648 SdHoareTripleChecker+Invalid, 933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 310 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-10-15 21:20:57,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1248 Valid, 3648 Invalid, 933 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [310 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-10-15 21:20:57,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22385 states. [2022-10-15 21:20:58,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22385 to 19847. [2022-10-15 21:20:59,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19847 states, 14280 states have (on average 1.3604341736694678) internal successors, (19427), 14541 states have internal predecessors, (19427), 4106 states have call successors, (4106), 1430 states have call predecessors, (4106), 1421 states have return successors, (4097), 4051 states have call predecessors, (4097), 4097 states have call successors, (4097) [2022-10-15 21:20:59,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19847 states to 19847 states and 27630 transitions. [2022-10-15 21:20:59,203 INFO L78 Accepts]: Start accepts. Automaton has 19847 states and 27630 transitions. Word has length 65 [2022-10-15 21:20:59,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:20:59,204 INFO L495 AbstractCegarLoop]: Abstraction has 19847 states and 27630 transitions. [2022-10-15 21:20:59,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-15 21:20:59,205 INFO L276 IsEmpty]: Start isEmpty. Operand 19847 states and 27630 transitions. [2022-10-15 21:20:59,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-15 21:20:59,207 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:20:59,207 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:20:59,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 21:20:59,208 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting snd_mts64_unregister_allErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [snd_mts64_rawmidi_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, snd_mts64_rawmidi_openErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, snd_mts64_rawmidi_closeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 21:20:59,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:20:59,209 INFO L85 PathProgramCache]: Analyzing trace with hash 376033373, now seen corresponding path program 1 times [2022-10-15 21:20:59,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:20:59,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860287531] [2022-10-15 21:20:59,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:20:59,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:20:59,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:59,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:20:59,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:59,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:20:59,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:59,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:20:59,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:59,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:20:59,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:59,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-15 21:20:59,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:59,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-15 21:20:59,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:59,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-15 21:20:59,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:59,595 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-10-15 21:20:59,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:20:59,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860287531] [2022-10-15 21:20:59,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860287531] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:20:59,597 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:20:59,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:20:59,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524788850] [2022-10-15 21:20:59,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:20:59,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:20:59,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:20:59,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:20:59,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:20:59,599 INFO L87 Difference]: Start difference. First operand 19847 states and 27630 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-10-15 21:21:02,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:21:02,022 INFO L93 Difference]: Finished difference Result 42293 states and 59449 transitions. [2022-10-15 21:21:02,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:21:02,023 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 72 [2022-10-15 21:21:02,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:21:02,171 INFO L225 Difference]: With dead ends: 42293 [2022-10-15 21:21:02,171 INFO L226 Difference]: Without dead ends: 22461 [2022-10-15 21:21:02,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:21:02,262 INFO L413 NwaCegarLoop]: 1041 mSDtfsCounter, 175 mSDsluCounter, 1524 mSDsCounter, 0 mSdLazyCounter, 421 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 2565 SdHoareTripleChecker+Invalid, 605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:21:02,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 2565 Invalid, 605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 421 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-15 21:21:02,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22461 states. [2022-10-15 21:21:03,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22461 to 19966. [2022-10-15 21:21:03,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19966 states, 14382 states have (on average 1.35905993603115) internal successors, (19546), 14643 states have internal predecessors, (19546), 4123 states have call successors, (4123), 1430 states have call predecessors, (4123), 1421 states have return successors, (4114), 4068 states have call predecessors, (4114), 4114 states have call successors, (4114) [2022-10-15 21:21:03,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19966 states to 19966 states and 27783 transitions. [2022-10-15 21:21:03,731 INFO L78 Accepts]: Start accepts. Automaton has 19966 states and 27783 transitions. Word has length 72 [2022-10-15 21:21:03,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:21:03,732 INFO L495 AbstractCegarLoop]: Abstraction has 19966 states and 27783 transitions. [2022-10-15 21:21:03,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-10-15 21:21:03,733 INFO L276 IsEmpty]: Start isEmpty. Operand 19966 states and 27783 transitions. [2022-10-15 21:21:03,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-15 21:21:03,735 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:21:03,735 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:21:03,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 21:21:03,737 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting snd_mts64_rawmidi_closeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [snd_mts64_rawmidi_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, snd_mts64_rawmidi_openErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, snd_mts64_rawmidi_closeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 21:21:03,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:21:03,738 INFO L85 PathProgramCache]: Analyzing trace with hash -792189811, now seen corresponding path program 1 times [2022-10-15 21:21:03,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:21:03,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563988374] [2022-10-15 21:21:03,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:21:03,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:21:03,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:03,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:21:03,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:03,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:21:03,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:03,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:21:03,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:03,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:21:03,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:04,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-15 21:21:04,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:04,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-15 21:21:04,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:04,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-15 21:21:04,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:04,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:21:04,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:04,051 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-15 21:21:04,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:21:04,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563988374] [2022-10-15 21:21:04,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563988374] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:21:04,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:21:04,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:21:04,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161328504] [2022-10-15 21:21:04,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:21:04,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:21:04,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:21:04,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:21:04,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:21:04,058 INFO L87 Difference]: Start difference. First operand 19966 states and 27783 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-15 21:21:08,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:21:08,492 INFO L93 Difference]: Finished difference Result 68430 states and 96868 transitions. [2022-10-15 21:21:08,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 21:21:08,493 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 81 [2022-10-15 21:21:08,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:21:08,833 INFO L225 Difference]: With dead ends: 68430 [2022-10-15 21:21:08,833 INFO L226 Difference]: Without dead ends: 48479 [2022-10-15 21:21:08,923 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 [2022-10-15 21:21:08,926 INFO L413 NwaCegarLoop]: 1274 mSDtfsCounter, 1911 mSDsluCounter, 2382 mSDsCounter, 0 mSdLazyCounter, 987 mSolverCounterSat, 957 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2004 SdHoareTripleChecker+Valid, 3656 SdHoareTripleChecker+Invalid, 1944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 957 IncrementalHoareTripleChecker+Valid, 987 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:21:08,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2004 Valid, 3656 Invalid, 1944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [957 Valid, 987 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-15 21:21:08,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48479 states. [2022-10-15 21:21:11,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48479 to 37218. [2022-10-15 21:21:11,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37218 states, 27015 states have (on average 1.3622431982232093) internal successors, (36801), 27476 states have internal predecessors, (36801), 7449 states have call successors, (7449), 2731 states have call predecessors, (7449), 2714 states have return successors, (7432), 7342 states have call predecessors, (7432), 7432 states have call successors, (7432) [2022-10-15 21:21:11,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37218 states to 37218 states and 51682 transitions. [2022-10-15 21:21:11,993 INFO L78 Accepts]: Start accepts. Automaton has 37218 states and 51682 transitions. Word has length 81 [2022-10-15 21:21:11,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:21:11,995 INFO L495 AbstractCegarLoop]: Abstraction has 37218 states and 51682 transitions. [2022-10-15 21:21:11,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-15 21:21:11,996 INFO L276 IsEmpty]: Start isEmpty. Operand 37218 states and 51682 transitions. [2022-10-15 21:21:12,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-15 21:21:12,005 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:21:12,006 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:21:12,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 21:21:12,007 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting snd_mts64_unregister_allErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [snd_mts64_rawmidi_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, snd_mts64_rawmidi_openErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, snd_mts64_rawmidi_closeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 21:21:12,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:21:12,008 INFO L85 PathProgramCache]: Analyzing trace with hash 585096256, now seen corresponding path program 1 times [2022-10-15 21:21:12,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:21:12,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748258639] [2022-10-15 21:21:12,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:21:12,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:21:12,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:12,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:21:12,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:12,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:21:12,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:12,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:21:12,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:12,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:21:12,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:12,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-15 21:21:12,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:12,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-15 21:21:12,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:12,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-15 21:21:12,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:12,543 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2022-10-15 21:21:12,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:21:12,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748258639] [2022-10-15 21:21:12,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748258639] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:21:12,544 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:21:12,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:21:12,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994373380] [2022-10-15 21:21:12,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:21:12,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:21:12,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:21:12,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:21:12,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:21:12,547 INFO L87 Difference]: Start difference. First operand 37218 states and 51682 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-10-15 21:21:15,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:21:15,459 INFO L93 Difference]: Finished difference Result 41936 states and 59125 transitions. [2022-10-15 21:21:15,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:21:15,460 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 77 [2022-10-15 21:21:15,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:21:15,726 INFO L225 Difference]: With dead ends: 41936 [2022-10-15 21:21:15,726 INFO L226 Difference]: Without dead ends: 41935 [2022-10-15 21:21:15,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:21:15,748 INFO L413 NwaCegarLoop]: 1040 mSDtfsCounter, 173 mSDsluCounter, 1526 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 2566 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:21:15,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 2566 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-15 21:21:15,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41935 states. [2022-10-15 21:21:17,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41935 to 37217. [2022-10-15 21:21:17,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37217 states, 27015 states have (on average 1.3610216546363132) internal successors, (36768), 27475 states have internal predecessors, (36768), 7449 states have call successors, (7449), 2731 states have call predecessors, (7449), 2714 states have return successors, (7432), 7342 states have call predecessors, (7432), 7432 states have call successors, (7432) [2022-10-15 21:21:18,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37217 states to 37217 states and 51649 transitions. [2022-10-15 21:21:18,188 INFO L78 Accepts]: Start accepts. Automaton has 37217 states and 51649 transitions. Word has length 77 [2022-10-15 21:21:18,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:21:18,188 INFO L495 AbstractCegarLoop]: Abstraction has 37217 states and 51649 transitions. [2022-10-15 21:21:18,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-10-15 21:21:18,189 INFO L276 IsEmpty]: Start isEmpty. Operand 37217 states and 51649 transitions. [2022-10-15 21:21:18,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-15 21:21:18,191 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:21:18,192 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:21:18,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 21:21:18,192 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting snd_mts64_unregister_allErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [snd_mts64_rawmidi_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, snd_mts64_rawmidi_openErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, snd_mts64_rawmidi_closeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 21:21:18,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:21:18,193 INFO L85 PathProgramCache]: Analyzing trace with hash 958115050, now seen corresponding path program 1 times [2022-10-15 21:21:18,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:21:18,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998040241] [2022-10-15 21:21:18,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:21:18,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:21:18,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:18,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:21:18,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:18,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:21:18,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:18,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:21:18,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:18,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:21:18,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:18,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-15 21:21:18,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:18,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-15 21:21:18,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:18,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-15 21:21:18,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:18,487 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-10-15 21:21:18,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:21:18,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998040241] [2022-10-15 21:21:18,488 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998040241] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:21:18,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [27980755] [2022-10-15 21:21:18,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:21:18,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:21:18,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:21:18,496 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:21:18,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-15 21:21:18,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:21:18,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 1483 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-15 21:21:18,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:21:19,093 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-10-15 21:21:19,093 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:21:19,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [27980755] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:21:19,097 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 21:21:19,097 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-10-15 21:21:19,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421889209] [2022-10-15 21:21:19,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:21:19,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:21:19,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:21:19,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:21:19,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:21:19,100 INFO L87 Difference]: Start difference. First operand 37217 states and 51649 transitions. Second operand has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)