/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/ntdrivers/cdaudio.i.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 04:11:13,041 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 04:11:13,043 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 04:11:13,092 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 04:11:13,093 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 04:11:13,095 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 04:11:13,097 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 04:11:13,101 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 04:11:13,102 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 04:11:13,105 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 04:11:13,106 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 04:11:13,107 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 04:11:13,107 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 04:11:13,109 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 04:11:13,110 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 04:11:13,112 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 04:11:13,113 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 04:11:13,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 04:11:13,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 04:11:13,119 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 04:11:13,119 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 04:11:13,120 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 04:11:13,121 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 04:11:13,122 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 04:11:13,125 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 04:11:13,125 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 04:11:13,126 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 04:11:13,127 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 04:11:13,127 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 04:11:13,127 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 04:11:13,128 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 04:11:13,128 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 04:11:13,129 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 04:11:13,130 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 04:11:13,131 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 04:11:13,131 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 04:11:13,131 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 04:11:13,132 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 04:11:13,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 04:11:13,132 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 04:11:13,133 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 04:11:13,133 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-01-10 04:11:13,161 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 04:11:13,161 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 04:11:13,162 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 04:11:13,162 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 04:11:13,162 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 04:11:13,163 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 04:11:13,163 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 04:11:13,163 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 04:11:13,163 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 04:11:13,163 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 04:11:13,164 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 04:11:13,164 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 04:11:13,164 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 04:11:13,164 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 04:11:13,164 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 04:11:13,164 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 04:11:13,164 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 04:11:13,164 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 04:11:13,164 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 04:11:13,165 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 04:11:13,165 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 04:11:13,165 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 04:11:13,165 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 04:11:13,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 04:11:13,165 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 04:11:13,165 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 04:11:13,165 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 04:11:13,165 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 04:11:13,165 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 04:11:13,165 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 04:11:13,165 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 04:11:13,166 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 04:11:13,166 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 04:11:13,166 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 04:11:13,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 04:11:13,393 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 04:11:13,395 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 04:11:13,396 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 04:11:13,396 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 04:11:13,397 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers/cdaudio.i.cil-1.c [2022-01-10 04:11:13,451 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd483916b/33a9c5ab66ab442fbff0417ffa56fc53/FLAG1bff1aa46 [2022-01-10 04:11:14,256 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 04:11:14,257 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers/cdaudio.i.cil-1.c [2022-01-10 04:11:14,317 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd483916b/33a9c5ab66ab442fbff0417ffa56fc53/FLAG1bff1aa46 [2022-01-10 04:11:14,431 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd483916b/33a9c5ab66ab442fbff0417ffa56fc53 [2022-01-10 04:11:14,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 04:11:14,434 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 04:11:14,435 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 04:11:14,435 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 04:11:14,437 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 04:11:14,437 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 04:11:14" (1/1) ... [2022-01-10 04:11:14,438 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43c96d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:11:14, skipping insertion in model container [2022-01-10 04:11:14,438 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 04:11:14" (1/1) ... [2022-01-10 04:11:14,442 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 04:11:14,521 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 04:11:14,930 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers/cdaudio.i.cil-1.c[90162,90175] [2022-01-10 04:11:15,428 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 04:11:15,439 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 04:11:15,457 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 04:11:15,499 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers/cdaudio.i.cil-1.c[90162,90175] [2022-01-10 04:11:15,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 04:11:15,739 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 04:11:15,779 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers/cdaudio.i.cil-1.c[90162,90175] [2022-01-10 04:11:15,981 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 04:11:16,007 INFO L208 MainTranslator]: Completed translation [2022-01-10 04:11:16,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:11:16 WrapperNode [2022-01-10 04:11:16,007 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 04:11:16,008 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 04:11:16,008 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 04:11:16,008 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 04:11:16,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:11:16" (1/1) ... [2022-01-10 04:11:16,078 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:11:16" (1/1) ... [2022-01-10 04:11:16,142 INFO L137 Inliner]: procedures = 132, calls = 2195, calls flagged for inlining = 23, calls inlined = 19, statements flattened = 2264 [2022-01-10 04:11:16,143 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 04:11:16,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 04:11:16,144 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 04:11:16,144 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 04:11:16,149 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:11:16" (1/1) ... [2022-01-10 04:11:16,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:11:16" (1/1) ... [2022-01-10 04:11:16,209 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:11:16" (1/1) ... [2022-01-10 04:11:16,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:11:16" (1/1) ... [2022-01-10 04:11:16,268 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:11:16" (1/1) ... [2022-01-10 04:11:16,282 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:11:16" (1/1) ... [2022-01-10 04:11:16,291 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:11:16" (1/1) ... [2022-01-10 04:11:16,304 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 04:11:16,305 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 04:11:16,305 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 04:11:16,305 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 04:11:16,306 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:11:16" (1/1) ... [2022-01-10 04:11:16,312 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 04:11:16,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 04:11:16,330 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) [2022-01-10 04:11:16,351 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 [2022-01-10 04:11:16,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-01-10 04:11:16,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-01-10 04:11:16,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-01-10 04:11:16,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-01-10 04:11:16,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-01-10 04:11:16,364 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2022-01-10 04:11:16,364 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2022-01-10 04:11:16,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-01-10 04:11:16,364 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-01-10 04:11:16,364 INFO L130 BoogieDeclarations]: Found specification of procedure MmLockPagableDataSection [2022-01-10 04:11:16,364 INFO L138 BoogieDeclarations]: Found implementation of procedure MmLockPagableDataSection [2022-01-10 04:11:16,364 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioIsPlayActive [2022-01-10 04:11:16,364 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioIsPlayActive [2022-01-10 04:11:16,364 INFO L130 BoogieDeclarations]: Found specification of procedure IoOpenDeviceRegistryKey [2022-01-10 04:11:16,364 INFO L138 BoogieDeclarations]: Found implementation of procedure IoOpenDeviceRegistryKey [2022-01-10 04:11:16,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-01-10 04:11:16,364 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2022-01-10 04:11:16,364 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2022-01-10 04:11:16,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-01-10 04:11:16,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-01-10 04:11:16,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-01-10 04:11:16,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-01-10 04:11:16,365 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-01-10 04:11:16,365 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_malloc [2022-01-10 04:11:16,365 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_malloc [2022-01-10 04:11:16,365 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2022-01-10 04:11:16,365 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2022-01-10 04:11:16,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-10 04:11:16,365 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2022-01-10 04:11:16,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2022-01-10 04:11:16,365 INFO L130 BoogieDeclarations]: Found specification of procedure SendSrbSynchronous [2022-01-10 04:11:16,365 INFO L138 BoogieDeclarations]: Found implementation of procedure SendSrbSynchronous [2022-01-10 04:11:16,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 04:11:16,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-01-10 04:11:16,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-10 04:11:16,365 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2022-01-10 04:11:16,366 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2022-01-10 04:11:16,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-01-10 04:11:16,366 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-01-10 04:11:16,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-01-10 04:11:16,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-01-10 04:11:16,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-01-10 04:11:16,366 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2022-01-10 04:11:16,366 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2022-01-10 04:11:16,366 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSignalCompletion [2022-01-10 04:11:16,366 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSignalCompletion [2022-01-10 04:11:16,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-01-10 04:11:16,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-01-10 04:11:16,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-01-10 04:11:16,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-10 04:11:16,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 04:11:16,366 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2022-01-10 04:11:16,366 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2022-01-10 04:11:16,367 INFO L130 BoogieDeclarations]: Found specification of procedure HPCdrCompletion [2022-01-10 04:11:16,367 INFO L138 BoogieDeclarations]: Found implementation of procedure HPCdrCompletion [2022-01-10 04:11:16,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-01-10 04:11:16,367 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSendToNextDriver [2022-01-10 04:11:16,367 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSendToNextDriver [2022-01-10 04:11:16,367 INFO L130 BoogieDeclarations]: Found specification of procedure ExAllocatePoolWithTag [2022-01-10 04:11:16,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAllocatePoolWithTag [2022-01-10 04:11:16,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 04:11:16,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 04:11:16,367 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioForwardIrpSynchronous [2022-01-10 04:11:16,367 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioForwardIrpSynchronous [2022-01-10 04:11:16,765 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 04:11:16,766 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 04:11:21,563 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 04:11:21,581 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2022-01-10 04:11:21,582 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2022-01-10 04:11:25,845 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 04:11:25,950 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2022-01-10 04:11:25,950 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2022-01-10 04:11:26,010 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 04:11:26,010 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 04:11:26,011 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 04:11:26,017 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 04:11:26,023 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 04:11:26,027 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 04:12:28,880 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##276: assume false; [2022-01-10 04:12:28,881 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##277: assume !false; [2022-01-10 04:12:28,881 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##504: assume !false; [2022-01-10 04:12:28,881 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##503: assume false; [2022-01-10 04:12:28,881 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3709: CdAudioPnp_#res#1 := 0bv64; [2022-01-10 04:12:28,881 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##172: assume !false; [2022-01-10 04:12:28,881 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##171: assume false; [2022-01-10 04:12:28,881 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##65: assume !false; [2022-01-10 04:12:28,881 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume false; [2022-01-10 04:12:28,881 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume !false; [2022-01-10 04:12:28,881 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume false; [2022-01-10 04:12:28,881 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##32: assume false; [2022-01-10 04:12:28,881 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##33: assume !false; [2022-01-10 04:12:29,164 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 04:12:29,229 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-01-10 04:12:29,230 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-01-10 04:12:29,253 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 04:12:29,274 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 04:12:29,275 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-01-10 04:12:29,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 04:12:29 BoogieIcfgContainer [2022-01-10 04:12:29,276 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 04:12:29,278 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 04:12:29,278 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 04:12:29,280 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 04:12:29,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 04:11:14" (1/3) ... [2022-01-10 04:12:29,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78c5f7ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 04:12:29, skipping insertion in model container [2022-01-10 04:12:29,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:11:16" (2/3) ... [2022-01-10 04:12:29,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78c5f7ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 04:12:29, skipping insertion in model container [2022-01-10 04:12:29,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 04:12:29" (3/3) ... [2022-01-10 04:12:29,282 INFO L111 eAbstractionObserver]: Analyzing ICFG cdaudio.i.cil-1.c [2022-01-10 04:12:29,286 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 04:12:29,286 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 04:12:29,340 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 04:12:29,346 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-10 04:12:29,347 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 04:12:29,378 INFO L276 IsEmpty]: Start isEmpty. Operand has 617 states, 483 states have (on average 1.5196687370600415) internal successors, (734), 502 states have internal predecessors, (734), 113 states have call successors, (113), 19 states have call predecessors, (113), 19 states have return successors, (113), 108 states have call predecessors, (113), 113 states have call successors, (113) [2022-01-10 04:12:29,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-01-10 04:12:29,382 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:12:29,382 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:12:29,383 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:12:29,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:12:29,387 INFO L85 PathProgramCache]: Analyzing trace with hash 5486212, now seen corresponding path program 1 times [2022-01-10 04:12:29,399 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:12:29,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1940431150] [2022-01-10 04:12:29,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:12:29,406 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:12:29,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:12:29,408 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:12:29,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-01-10 04:12:29,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:12:29,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:12:29,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:12:29,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 04:12:29,848 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:12:29,848 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:12:29,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1940431150] [2022-01-10 04:12:29,849 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1940431150] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:12:29,849 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:12:29,849 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:12:29,850 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982152755] [2022-01-10 04:12:29,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:12:29,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:12:29,853 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:12:29,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:12:29,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:12:29,872 INFO L87 Difference]: Start difference. First operand has 617 states, 483 states have (on average 1.5196687370600415) internal successors, (734), 502 states have internal predecessors, (734), 113 states have call successors, (113), 19 states have call predecessors, (113), 19 states have return successors, (113), 108 states have call predecessors, (113), 113 states have call successors, (113) Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:12:30,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:12:30,106 INFO L93 Difference]: Finished difference Result 1234 states and 1974 transitions. [2022-01-10 04:12:30,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:12:30,110 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-01-10 04:12:30,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:12:30,119 INFO L225 Difference]: With dead ends: 1234 [2022-01-10 04:12:30,120 INFO L226 Difference]: Without dead ends: 616 [2022-01-10 04:12:30,127 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:12:30,129 INFO L933 BasicCegarLoop]: 927 mSDtfsCounter, 3 mSDsluCounter, 921 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1848 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 04:12:30,129 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 1848 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:12:30,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2022-01-10 04:12:30,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 613. [2022-01-10 04:12:30,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 613 states, 481 states have (on average 1.4844074844074844) internal successors, (714), 498 states have internal predecessors, (714), 113 states have call successors, (113), 19 states have call predecessors, (113), 18 states have return successors, (97), 97 states have call predecessors, (97), 97 states have call successors, (97) [2022-01-10 04:12:30,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 924 transitions. [2022-01-10 04:12:30,198 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 924 transitions. Word has length 19 [2022-01-10 04:12:30,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:12:30,198 INFO L470 AbstractCegarLoop]: Abstraction has 613 states and 924 transitions. [2022-01-10 04:12:30,198 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:12:30,198 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 924 transitions. [2022-01-10 04:12:30,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-01-10 04:12:30,199 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:12:30,199 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:12:30,212 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-01-10 04:12:30,413 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:12:30,414 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:12:30,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:12:30,415 INFO L85 PathProgramCache]: Analyzing trace with hash 67266462, now seen corresponding path program 1 times [2022-01-10 04:12:30,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:12:30,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1295558933] [2022-01-10 04:12:30,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:12:30,416 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:12:30,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:12:30,417 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:12:30,418 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-01-10 04:12:30,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:12:30,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-10 04:12:30,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:12:30,960 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-10 04:12:30,960 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 04:12:31,264 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-10 04:12:31,264 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:12:31,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1295558933] [2022-01-10 04:12:31,264 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1295558933] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 04:12:31,264 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-01-10 04:12:31,265 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-01-10 04:12:31,265 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758542382] [2022-01-10 04:12:31,265 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-01-10 04:12:31,266 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 04:12:31,266 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:12:31,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 04:12:31,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-01-10 04:12:31,267 INFO L87 Difference]: Start difference. First operand 613 states and 924 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:12:31,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:12:31,819 INFO L93 Difference]: Finished difference Result 1239 states and 1868 transitions. [2022-01-10 04:12:31,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 04:12:31,821 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-01-10 04:12:31,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:12:31,825 INFO L225 Difference]: With dead ends: 1239 [2022-01-10 04:12:31,825 INFO L226 Difference]: Without dead ends: 631 [2022-01-10 04:12:31,827 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2022-01-10 04:12:31,827 INFO L933 BasicCegarLoop]: 914 mSDtfsCounter, 17 mSDsluCounter, 3636 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 4550 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 04:12:31,828 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 4550 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 04:12:31,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2022-01-10 04:12:31,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 627. [2022-01-10 04:12:31,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 627 states, 495 states have (on average 1.4707070707070706) internal successors, (728), 512 states have internal predecessors, (728), 113 states have call successors, (113), 19 states have call predecessors, (113), 18 states have return successors, (97), 97 states have call predecessors, (97), 97 states have call successors, (97) [2022-01-10 04:12:31,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 938 transitions. [2022-01-10 04:12:31,850 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 938 transitions. Word has length 25 [2022-01-10 04:12:31,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:12:31,850 INFO L470 AbstractCegarLoop]: Abstraction has 627 states and 938 transitions. [2022-01-10 04:12:31,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:12:31,850 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 938 transitions. [2022-01-10 04:12:31,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-01-10 04:12:31,851 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:12:31,851 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:12:31,865 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-01-10 04:12:32,061 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:12:32,061 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:12:32,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:12:32,062 INFO L85 PathProgramCache]: Analyzing trace with hash -341210192, now seen corresponding path program 2 times [2022-01-10 04:12:32,063 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:12:32,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2102994101] [2022-01-10 04:12:32,063 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-10 04:12:32,063 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:12:32,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:12:32,064 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:12:32,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-01-10 04:12:32,287 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-01-10 04:12:32,287 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-10 04:12:32,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 04:12:32,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:12:32,720 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-01-10 04:12:32,720 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:12:32,720 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:12:32,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2102994101] [2022-01-10 04:12:32,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2102994101] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:12:32,721 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:12:32,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 04:12:32,721 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628612034] [2022-01-10 04:12:32,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:12:32,721 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 04:12:32,721 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:12:32,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 04:12:32,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 04:12:32,722 INFO L87 Difference]: Start difference. First operand 627 states and 938 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)