/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain IntervalDomain -i ../sv-benchmarks/c/ntdrivers/diskperf.i.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 21:07:26,048 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 21:07:26,050 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 21:07:26,089 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 21:07:26,090 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 21:07:26,092 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 21:07:26,095 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 21:07:26,099 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 21:07:26,101 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 21:07:26,105 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 21:07:26,106 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 21:07:26,107 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 21:07:26,108 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 21:07:26,110 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 21:07:26,111 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 21:07:26,112 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 21:07:26,113 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 21:07:26,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 21:07:26,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 21:07:26,119 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 21:07:26,121 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 21:07:26,122 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 21:07:26,122 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 21:07:26,123 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 21:07:26,131 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 21:07:26,131 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 21:07:26,131 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 21:07:26,133 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 21:07:26,133 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 21:07:26,134 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 21:07:26,134 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 21:07:26,134 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 21:07:26,136 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 21:07:26,136 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 21:07:26,137 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 21:07:26,137 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 21:07:26,137 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 21:07:26,138 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 21:07:26,138 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 21:07:26,138 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 21:07:26,139 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 21:07:26,140 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-03-31 21:07:26,168 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 21:07:26,168 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 21:07:26,169 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 21:07:26,169 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 21:07:26,170 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 21:07:26,170 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 21:07:26,170 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 21:07:26,170 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 21:07:26,170 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 21:07:26,171 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 21:07:26,171 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 21:07:26,171 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 21:07:26,172 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 21:07:26,172 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 21:07:26,172 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 21:07:26,172 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 21:07:26,172 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 21:07:26,172 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 21:07:26,173 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 21:07:26,173 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 21:07:26,173 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 21:07:26,173 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 21:07:26,173 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 21:07:26,174 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 21:07:26,174 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 21:07:26,174 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 21:07:26,174 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 21:07:26,175 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 21:07:26,175 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 21:07:26,175 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 21:07:26,175 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 21:07:26,175 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 21:07:26,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 21:07:26,176 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 21:07:26,176 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 21:07:26,176 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 21:07:26,176 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 21:07:26,176 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 21:07:26,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 21:07:26,177 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 21:07:26,177 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 21:07:26,177 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 21:07:26,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 21:07:26,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 21:07:26,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 21:07:26,425 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 21:07:26,425 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 21:07:26,426 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers/diskperf.i.cil-2.c [2023-03-31 21:07:27,509 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 21:07:27,902 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 21:07:27,902 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers/diskperf.i.cil-2.c [2023-03-31 21:07:27,933 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c50bbd96/99867d0fb5f14440be0886aaee1c11db/FLAG6ad224139 [2023-03-31 21:07:27,948 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c50bbd96/99867d0fb5f14440be0886aaee1c11db [2023-03-31 21:07:27,950 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 21:07:27,952 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 21:07:27,954 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 21:07:27,955 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 21:07:27,957 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 21:07:27,957 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 09:07:27" (1/1) ... [2023-03-31 21:07:27,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7753e2a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:07:27, skipping insertion in model container [2023-03-31 21:07:27,959 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 09:07:27" (1/1) ... [2023-03-31 21:07:27,963 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 21:07:28,034 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 21:07:28,545 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers/diskperf.i.cil-2.c[84365,84378] [2023-03-31 21:07:28,784 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 21:07:28,862 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 21:07:28,944 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers/diskperf.i.cil-2.c[84365,84378] [2023-03-31 21:07:29,074 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 21:07:29,123 WARN L667 CHandler]: The function swprintf is called, but not defined or handled by StandardFunctionHandler. [2023-03-31 21:07:29,129 INFO L208 MainTranslator]: Completed translation [2023-03-31 21:07:29,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:07:29 WrapperNode [2023-03-31 21:07:29,130 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 21:07:29,131 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 21:07:29,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 21:07:29,132 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 21:07:29,141 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:07:29" (1/1) ... [2023-03-31 21:07:29,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:07:29" (1/1) ... [2023-03-31 21:07:29,212 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:07:29" (1/1) ... [2023-03-31 21:07:29,213 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:07:29" (1/1) ... [2023-03-31 21:07:29,348 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:07:29" (1/1) ... [2023-03-31 21:07:29,372 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:07:29" (1/1) ... [2023-03-31 21:07:29,403 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:07:29" (1/1) ... [2023-03-31 21:07:29,421 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:07:29" (1/1) ... [2023-03-31 21:07:29,452 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 21:07:29,453 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 21:07:29,454 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 21:07:29,454 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 21:07:29,456 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:07:29" (1/1) ... [2023-03-31 21:07:29,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 21:07:29,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 21:07:29,486 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) [2023-03-31 21:07:29,489 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 [2023-03-31 21:07:29,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 21:07:29,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 21:07:29,521 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 21:07:29,521 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedIncrement [2023-03-31 21:07:29,521 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedDecrement [2023-03-31 21:07:29,521 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedExchange [2023-03-31 21:07:29,521 INFO L138 BoogieDeclarations]: Found implementation of procedure KeGetCurrentProcessorNumber [2023-03-31 21:07:29,521 INFO L138 BoogieDeclarations]: Found implementation of procedure KeQuerySystemTime [2023-03-31 21:07:29,522 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAllocateErrorLogEntry [2023-03-31 21:07:29,522 INFO L138 BoogieDeclarations]: Found implementation of procedure IoWriteErrorLogEntry [2023-03-31 21:07:29,522 INFO L138 BoogieDeclarations]: Found implementation of procedure IoWMIRegistrationControl [2023-03-31 21:07:29,522 INFO L138 BoogieDeclarations]: Found implementation of procedure KeQueryPerformanceCounter [2023-03-31 21:07:29,522 INFO L138 BoogieDeclarations]: Found implementation of procedure WmiCompleteRequest [2023-03-31 21:07:29,522 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2023-03-31 21:07:29,522 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2023-03-31 21:07:29,522 INFO L138 BoogieDeclarations]: Found implementation of procedure DriverEntry [2023-03-31 21:07:29,522 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfSyncFilterWithTarget [2023-03-31 21:07:29,522 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfAddDevice [2023-03-31 21:07:29,523 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfDispatchPnp [2023-03-31 21:07:29,523 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfIrpCompletion [2023-03-31 21:07:29,523 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfStartDevice [2023-03-31 21:07:29,523 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfRemoveDevice [2023-03-31 21:07:29,523 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfSendToNextDriver [2023-03-31 21:07:29,523 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfDispatchPower [2023-03-31 21:07:29,523 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfForwardIrpSynchronous [2023-03-31 21:07:29,523 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfCreate [2023-03-31 21:07:29,523 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfReadWrite [2023-03-31 21:07:29,523 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfIoCompletion [2023-03-31 21:07:29,524 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfDeviceControl [2023-03-31 21:07:29,524 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfWmi [2023-03-31 21:07:29,524 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfShutdownFlush [2023-03-31 21:07:29,524 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfUnload [2023-03-31 21:07:29,524 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfRegisterDevice [2023-03-31 21:07:29,524 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfLogError [2023-03-31 21:07:29,524 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskperfQueryWmiRegInfo [2023-03-31 21:07:29,525 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskperfQueryWmiDataBlock [2023-03-31 21:07:29,525 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskperfWmiFunctionControl [2023-03-31 21:07:29,525 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfAddCounters [2023-03-31 21:07:29,525 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2023-03-31 21:07:29,525 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 21:07:29,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAcquireFastMutex [2023-03-31 21:07:29,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ExReleaseFastMutex [2023-03-31 21:07:29,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAllocatePoolWithTag [2023-03-31 21:07:29,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ExFreePool [2023-03-31 21:07:29,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedInsertHeadList [2023-03-31 21:07:29,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedInsertTailList [2023-03-31 21:07:29,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedRemoveHeadList [2023-03-31 21:07:29,527 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAllocateMdl [2023-03-31 21:07:29,527 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAttachDeviceToDeviceStack [2023-03-31 21:07:29,527 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildAsynchronousFsdRequest [2023-03-31 21:07:29,527 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2023-03-31 21:07:29,527 INFO L138 BoogieDeclarations]: Found implementation of procedure IoCreateDevice [2023-03-31 21:07:29,527 INFO L138 BoogieDeclarations]: Found implementation of procedure IoCreateSymbolicLink [2023-03-31 21:07:29,528 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteDevice [2023-03-31 21:07:29,528 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2023-03-31 21:07:29,528 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDetachDevice [2023-03-31 21:07:29,528 INFO L138 BoogieDeclarations]: Found implementation of procedure IoFreeIrp [2023-03-31 21:07:29,529 INFO L138 BoogieDeclarations]: Found implementation of procedure IoFreeMdl [2023-03-31 21:07:29,529 INFO L138 BoogieDeclarations]: Found implementation of procedure IoGetConfigurationInformation [2023-03-31 21:07:29,529 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2023-03-31 21:07:29,529 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2023-03-31 21:07:29,529 INFO L138 BoogieDeclarations]: Found implementation of procedure IoReleaseCancelSpinLock [2023-03-31 21:07:29,529 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2023-03-31 21:07:29,529 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetHardErrorOrVerifyDevice [2023-03-31 21:07:29,529 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2023-03-31 21:07:29,529 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2023-03-31 21:07:29,530 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2023-03-31 21:07:29,530 INFO L138 BoogieDeclarations]: Found implementation of procedure KeAcquireSpinLockRaiseToDpc [2023-03-31 21:07:29,530 INFO L138 BoogieDeclarations]: Found implementation of procedure KeDelayExecutionThread [2023-03-31 21:07:29,530 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeEvent [2023-03-31 21:07:29,530 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeSemaphore [2023-03-31 21:07:29,530 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeSpinLock [2023-03-31 21:07:29,530 INFO L138 BoogieDeclarations]: Found implementation of procedure KeReleaseSemaphore [2023-03-31 21:07:29,530 INFO L138 BoogieDeclarations]: Found implementation of procedure KfReleaseSpinLock [2023-03-31 21:07:29,530 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2023-03-31 21:07:29,530 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2023-03-31 21:07:29,531 INFO L138 BoogieDeclarations]: Found implementation of procedure MmAllocateContiguousMemory [2023-03-31 21:07:29,531 INFO L138 BoogieDeclarations]: Found implementation of procedure MmFreeContiguousMemory [2023-03-31 21:07:29,531 INFO L138 BoogieDeclarations]: Found implementation of procedure MmMapLockedPagesSpecifyCache [2023-03-31 21:07:29,531 INFO L138 BoogieDeclarations]: Found implementation of procedure MmPageEntireDriver [2023-03-31 21:07:29,532 INFO L138 BoogieDeclarations]: Found implementation of procedure MmResetDriverPaging [2023-03-31 21:07:29,532 INFO L138 BoogieDeclarations]: Found implementation of procedure MmUnlockPages [2023-03-31 21:07:29,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2023-03-31 21:07:29,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ObfDereferenceObject [2023-03-31 21:07:29,532 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2023-03-31 21:07:29,533 INFO L138 BoogieDeclarations]: Found implementation of procedure PoStartNextPowerIrp [2023-03-31 21:07:29,533 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2023-03-31 21:07:29,533 INFO L138 BoogieDeclarations]: Found implementation of procedure PsTerminateSystemThread [2023-03-31 21:07:29,533 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlAnsiStringToUnicodeString [2023-03-31 21:07:29,533 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCompareMemory [2023-03-31 21:07:29,534 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCopyUnicodeString [2023-03-31 21:07:29,534 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlDeleteRegistryValue [2023-03-31 21:07:29,534 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlFreeUnicodeString [2023-03-31 21:07:29,534 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlInitString [2023-03-31 21:07:29,534 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlInitUnicodeString [2023-03-31 21:07:29,534 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlQueryRegistryValues [2023-03-31 21:07:29,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2023-03-31 21:07:29,575 INFO L138 BoogieDeclarations]: Found implementation of procedure WmiSystemControl [2023-03-31 21:07:29,576 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-03-31 21:07:29,576 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-03-31 21:07:29,576 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2023-03-31 21:07:29,576 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 21:07:29,576 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 21:07:29,576 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 21:07:29,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 21:07:29,576 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2023-03-31 21:07:29,576 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 21:07:29,576 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2023-03-31 21:07:29,576 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-03-31 21:07:29,577 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-03-31 21:07:29,577 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2023-03-31 21:07:29,577 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-03-31 21:07:29,577 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 21:07:29,577 INFO L130 BoogieDeclarations]: Found specification of procedure RtlQueryRegistryValues [2023-03-31 21:07:29,577 INFO L130 BoogieDeclarations]: Found specification of procedure RtlDeleteRegistryValue [2023-03-31 21:07:29,577 INFO L130 BoogieDeclarations]: Found specification of procedure RtlInitString [2023-03-31 21:07:29,577 INFO L130 BoogieDeclarations]: Found specification of procedure RtlInitUnicodeString [2023-03-31 21:07:29,577 INFO L130 BoogieDeclarations]: Found specification of procedure RtlAnsiStringToUnicodeString [2023-03-31 21:07:29,577 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCopyUnicodeString [2023-03-31 21:07:29,577 INFO L130 BoogieDeclarations]: Found specification of procedure RtlFreeUnicodeString [2023-03-31 21:07:29,577 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCompareMemory [2023-03-31 21:07:29,577 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedIncrement [2023-03-31 21:07:29,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 21:07:29,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 21:07:29,578 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedDecrement [2023-03-31 21:07:29,578 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedExchange [2023-03-31 21:07:29,578 INFO L130 BoogieDeclarations]: Found specification of procedure KeGetCurrentProcessorNumber [2023-03-31 21:07:29,578 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeEvent [2023-03-31 21:07:29,578 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2023-03-31 21:07:29,578 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeSemaphore [2023-03-31 21:07:29,578 INFO L130 BoogieDeclarations]: Found specification of procedure KeReleaseSemaphore [2023-03-31 21:07:29,578 INFO L130 BoogieDeclarations]: Found specification of procedure KeDelayExecutionThread [2023-03-31 21:07:29,578 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2023-03-31 21:07:29,578 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeSpinLock [2023-03-31 21:07:29,578 INFO L130 BoogieDeclarations]: Found specification of procedure KfReleaseSpinLock [2023-03-31 21:07:29,578 INFO L130 BoogieDeclarations]: Found specification of procedure KeQuerySystemTime [2023-03-31 21:07:29,579 INFO L130 BoogieDeclarations]: Found specification of procedure ExAllocatePoolWithTag [2023-03-31 21:07:29,579 INFO L130 BoogieDeclarations]: Found specification of procedure ExFreePool [2023-03-31 21:07:29,579 INFO L130 BoogieDeclarations]: Found specification of procedure ExAcquireFastMutex [2023-03-31 21:07:29,579 INFO L130 BoogieDeclarations]: Found specification of procedure ExReleaseFastMutex [2023-03-31 21:07:29,579 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedInsertHeadList [2023-03-31 21:07:29,579 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedInsertTailList [2023-03-31 21:07:29,579 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedRemoveHeadList [2023-03-31 21:07:29,579 INFO L130 BoogieDeclarations]: Found specification of procedure MmUnlockPages [2023-03-31 21:07:29,579 INFO L130 BoogieDeclarations]: Found specification of procedure MmMapLockedPagesSpecifyCache [2023-03-31 21:07:29,579 INFO L130 BoogieDeclarations]: Found specification of procedure MmAllocateContiguousMemory [2023-03-31 21:07:29,579 INFO L130 BoogieDeclarations]: Found specification of procedure MmFreeContiguousMemory [2023-03-31 21:07:29,579 INFO L130 BoogieDeclarations]: Found specification of procedure MmResetDriverPaging [2023-03-31 21:07:29,579 INFO L130 BoogieDeclarations]: Found specification of procedure MmPageEntireDriver [2023-03-31 21:07:29,580 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2023-03-31 21:07:29,580 INFO L130 BoogieDeclarations]: Found specification of procedure PsTerminateSystemThread [2023-03-31 21:07:29,580 INFO L130 BoogieDeclarations]: Found specification of procedure IoAllocateErrorLogEntry [2023-03-31 21:07:29,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 21:07:29,580 INFO L130 BoogieDeclarations]: Found specification of procedure IoAllocateMdl [2023-03-31 21:07:29,580 INFO L130 BoogieDeclarations]: Found specification of procedure IoAttachDeviceToDeviceStack [2023-03-31 21:07:29,580 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildAsynchronousFsdRequest [2023-03-31 21:07:29,580 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2023-03-31 21:07:29,580 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2023-03-31 21:07:29,580 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2023-03-31 21:07:29,580 INFO L130 BoogieDeclarations]: Found specification of procedure IoCreateDevice [2023-03-31 21:07:29,580 INFO L130 BoogieDeclarations]: Found specification of procedure IoCreateSymbolicLink [2023-03-31 21:07:29,580 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteDevice [2023-03-31 21:07:29,581 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2023-03-31 21:07:29,581 INFO L130 BoogieDeclarations]: Found specification of procedure IoDetachDevice [2023-03-31 21:07:29,581 INFO L130 BoogieDeclarations]: Found specification of procedure IoFreeIrp [2023-03-31 21:07:29,581 INFO L130 BoogieDeclarations]: Found specification of procedure IoFreeMdl [2023-03-31 21:07:29,581 INFO L130 BoogieDeclarations]: Found specification of procedure IoGetConfigurationInformation [2023-03-31 21:07:29,581 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2023-03-31 21:07:29,581 INFO L130 BoogieDeclarations]: Found specification of procedure IoReleaseCancelSpinLock [2023-03-31 21:07:29,581 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetHardErrorOrVerifyDevice [2023-03-31 21:07:29,581 INFO L130 BoogieDeclarations]: Found specification of procedure IoWriteErrorLogEntry [2023-03-31 21:07:29,581 INFO L130 BoogieDeclarations]: Found specification of procedure IoWMIRegistrationControl [2023-03-31 21:07:29,581 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2023-03-31 21:07:29,581 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2023-03-31 21:07:29,581 INFO L130 BoogieDeclarations]: Found specification of procedure KeQueryPerformanceCounter [2023-03-31 21:07:29,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-31 21:07:29,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 21:07:29,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 21:07:29,582 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2023-03-31 21:07:29,582 INFO L130 BoogieDeclarations]: Found specification of procedure PoStartNextPowerIrp [2023-03-31 21:07:29,582 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2023-03-31 21:07:29,582 INFO L130 BoogieDeclarations]: Found specification of procedure ObfDereferenceObject [2023-03-31 21:07:29,582 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2023-03-31 21:07:29,582 INFO L130 BoogieDeclarations]: Found specification of procedure swprintf [2023-03-31 21:07:29,582 INFO L130 BoogieDeclarations]: Found specification of procedure WmiCompleteRequest [2023-03-31 21:07:29,582 INFO L130 BoogieDeclarations]: Found specification of procedure WmiSystemControl [2023-03-31 21:07:29,582 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2023-03-31 21:07:29,582 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2023-03-31 21:07:29,583 INFO L130 BoogieDeclarations]: Found specification of procedure DriverEntry [2023-03-31 21:07:29,583 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfForwardIrpSynchronous [2023-03-31 21:07:29,583 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfAddDevice [2023-03-31 21:07:29,583 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfDispatchPnp [2023-03-31 21:07:29,583 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfDispatchPower [2023-03-31 21:07:29,583 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfStartDevice [2023-03-31 21:07:29,583 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfRemoveDevice [2023-03-31 21:07:29,583 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfSendToNextDriver [2023-03-31 21:07:29,583 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfCreate [2023-03-31 21:07:29,583 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfReadWrite [2023-03-31 21:07:29,583 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfIoCompletion [2023-03-31 21:07:29,583 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfDeviceControl [2023-03-31 21:07:29,583 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfShutdownFlush [2023-03-31 21:07:29,583 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfUnload [2023-03-31 21:07:29,583 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfWmi [2023-03-31 21:07:29,584 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfLogError [2023-03-31 21:07:29,584 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfRegisterDevice [2023-03-31 21:07:29,584 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfIrpCompletion [2023-03-31 21:07:29,584 INFO L130 BoogieDeclarations]: Found specification of procedure DiskperfQueryWmiRegInfo [2023-03-31 21:07:29,584 INFO L130 BoogieDeclarations]: Found specification of procedure DiskperfQueryWmiDataBlock [2023-03-31 21:07:29,584 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfSyncFilterWithTarget [2023-03-31 21:07:29,584 INFO L130 BoogieDeclarations]: Found specification of procedure DiskperfWmiFunctionControl [2023-03-31 21:07:29,584 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfAddCounters [2023-03-31 21:07:29,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 21:07:29,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 21:07:29,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-03-31 21:07:29,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2023-03-31 21:07:29,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-03-31 21:07:29,586 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2023-03-31 21:07:29,586 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 21:07:29,586 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2023-03-31 21:07:29,586 INFO L130 BoogieDeclarations]: Found specification of procedure KeAcquireSpinLockRaiseToDpc [2023-03-31 21:07:29,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 21:07:29,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-03-31 21:07:29,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 21:07:29,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-03-31 21:07:29,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-03-31 21:07:29,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-03-31 21:07:29,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-03-31 21:07:30,318 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 21:07:30,322 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 21:07:30,347 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-03-31 21:07:30,403 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-03-31 21:07:30,403 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-03-31 21:07:30,404 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-03-31 21:07:30,412 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-03-31 21:07:30,413 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-03-31 21:07:30,454 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-03-31 21:07:30,461 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-03-31 21:07:30,461 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-03-31 21:07:30,461 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-03-31 21:07:30,474 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-03-31 21:07:30,474 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-03-31 21:07:30,478 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-03-31 21:07:30,488 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-03-31 21:07:30,488 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-03-31 21:07:30,488 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-03-31 21:07:30,496 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-03-31 21:07:30,496 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-03-31 21:07:30,497 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-03-31 21:07:30,509 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-03-31 21:07:30,509 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-03-31 21:07:30,509 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-03-31 21:07:30,521 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-03-31 21:07:30,521 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-03-31 21:07:30,846 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-03-31 21:07:30,855 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-03-31 21:07:30,855 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-03-31 21:07:30,874 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-03-31 21:07:30,879 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-03-31 21:07:30,879 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-03-31 21:07:30,879 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-03-31 21:07:30,886 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-03-31 21:07:30,886 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-03-31 21:07:30,898 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-03-31 21:07:30,904 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-03-31 21:07:30,904 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-03-31 21:07:30,917 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-03-31 21:07:30,922 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-03-31 21:07:30,922 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-03-31 21:07:30,926 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-03-31 21:07:30,937 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume !false; [2023-03-31 21:07:30,938 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7: assume false; [2023-03-31 21:07:31,079 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-03-31 21:07:31,103 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !false; [2023-03-31 21:07:31,103 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume false; [2023-03-31 21:07:33,306 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-03-31 21:07:33,318 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-03-31 21:07:33,319 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-03-31 21:07:33,331 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-03-31 21:07:33,407 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2023-03-31 21:07:33,407 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2023-03-31 21:07:33,457 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-03-31 21:07:33,467 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-03-31 21:07:33,467 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-03-31 21:07:33,713 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-03-31 21:07:33,721 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-03-31 21:07:33,721 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-03-31 21:07:33,725 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-03-31 21:07:33,738 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2023-03-31 21:07:33,738 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2023-03-31 21:07:40,673 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-03-31 21:07:40,759 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2023-03-31 21:07:40,759 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2023-03-31 21:07:40,805 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-03-31 21:07:40,848 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2023-03-31 21:07:40,848 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2023-03-31 21:07:40,899 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-03-31 21:07:40,919 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-03-31 21:07:40,920 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-03-31 21:07:41,451 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-03-31 21:07:41,472 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-03-31 21:07:41,472 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-03-31 21:07:41,712 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 21:07:42,212 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 21:07:42,213 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-03-31 21:07:42,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 09:07:42 BoogieIcfgContainer [2023-03-31 21:07:42,217 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 21:07:42,220 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 21:07:42,220 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 21:07:42,223 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 21:07:42,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 09:07:27" (1/3) ... [2023-03-31 21:07:42,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25149bd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 09:07:42, skipping insertion in model container [2023-03-31 21:07:42,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:07:29" (2/3) ... [2023-03-31 21:07:42,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25149bd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 09:07:42, skipping insertion in model container [2023-03-31 21:07:42,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 09:07:42" (3/3) ... [2023-03-31 21:07:42,225 INFO L112 eAbstractionObserver]: Analyzing ICFG diskperf.i.cil-2.c [2023-03-31 21:07:42,244 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 21:07:42,244 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 21:07:42,297 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 21:07:42,303 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;@22a32ecc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-31 21:07:42,303 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 21:07:42,309 INFO L276 IsEmpty]: Start isEmpty. Operand has 417 states, 257 states have (on average 1.3346303501945525) internal successors, (343), 273 states have internal predecessors, (343), 110 states have call successors, (110), 41 states have call predecessors, (110), 41 states have return successors, (110), 105 states have call predecessors, (110), 110 states have call successors, (110) [2023-03-31 21:07:42,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-03-31 21:07:42,316 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 21:07:42,316 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 21:07:42,317 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 21:07:42,321 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 21:07:42,321 INFO L85 PathProgramCache]: Analyzing trace with hash -520558543, now seen corresponding path program 1 times [2023-03-31 21:07:42,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 21:07:42,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443536468] [2023-03-31 21:07:42,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 21:07:42,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 21:07:43,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 21:07:43,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 21:07:43,758 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 21:07:43,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443536468] [2023-03-31 21:07:43,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443536468] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 21:07:43,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 21:07:43,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-31 21:07:43,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218222486] [2023-03-31 21:07:43,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 21:07:43,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 21:07:43,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 21:07:43,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 21:07:43,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 21:07:43,804 INFO L87 Difference]: Start difference. First operand has 417 states, 257 states have (on average 1.3346303501945525) internal successors, (343), 273 states have internal predecessors, (343), 110 states have call successors, (110), 41 states have call predecessors, (110), 41 states have return successors, (110), 105 states have call predecessors, (110), 110 states have call successors, (110) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-03-31 21:07:46,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 21:07:48,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 21:07:50,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-03-31 21:07:52,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-03-31 21:07:52,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 21:07:52,560 INFO L93 Difference]: Finished difference Result 613 states and 866 transitions. [2023-03-31 21:07:52,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 21:07:52,563 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2023-03-31 21:07:52,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 21:07:52,580 INFO L225 Difference]: With dead ends: 613 [2023-03-31 21:07:52,580 INFO L226 Difference]: Without dead ends: 337 [2023-03-31 21:07:52,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 21:07:52,592 INFO L413 NwaCegarLoop]: 407 mSDtfsCounter, 13 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 5 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 773 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2023-03-31 21:07:52,594 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 773 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 124 Invalid, 4 Unknown, 0 Unchecked, 8.7s Time] [2023-03-31 21:07:52,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2023-03-31 21:07:52,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 337. [2023-03-31 21:07:52,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 208 states have (on average 1.3221153846153846) internal successors, (275), 225 states have internal predecessors, (275), 91 states have call successors, (91), 39 states have call predecessors, (91), 37 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2023-03-31 21:07:52,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 442 transitions. [2023-03-31 21:07:52,671 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 442 transitions. Word has length 18 [2023-03-31 21:07:52,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 21:07:52,671 INFO L495 AbstractCegarLoop]: Abstraction has 337 states and 442 transitions. [2023-03-31 21:07:52,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-03-31 21:07:52,672 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 442 transitions. [2023-03-31 21:07:52,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-03-31 21:07:52,673 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 21:07:52,673 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 21:07:52,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 21:07:52,674 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 21:07:52,674 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 21:07:52,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1559724670, now seen corresponding path program 1 times [2023-03-31 21:07:52,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 21:07:52,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195977782] [2023-03-31 21:07:52,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 21:07:52,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 21:07:53,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 21:07:54,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 21:07:54,095 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 21:07:54,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195977782] [2023-03-31 21:07:54,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195977782] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 21:07:54,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 21:07:54,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-31 21:07:54,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998251383] [2023-03-31 21:07:54,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 21:07:54,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 21:07:54,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 21:07:54,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 21:07:54,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 21:07:54,099 INFO L87 Difference]: Start difference. First operand 337 states and 442 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-03-31 21:07:56,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 21:07:58,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-03-31 21:07:59,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 21:08:01,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 21:08:02,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 21:08:02,252 INFO L93 Difference]: Finished difference Result 702 states and 937 transitions. [2023-03-31 21:08:02,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 21:08:02,253 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 21 [2023-03-31 21:08:02,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 21:08:02,258 INFO L225 Difference]: With dead ends: 702 [2023-03-31 21:08:02,258 INFO L226 Difference]: Without dead ends: 483 [2023-03-31 21:08:02,259 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 21:08:02,260 INFO L413 NwaCegarLoop]: 508 mSDtfsCounter, 278 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 9 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 763 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2023-03-31 21:08:02,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 763 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 140 Invalid, 3 Unknown, 0 Unchecked, 8.1s Time] [2023-03-31 21:08:02,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2023-03-31 21:08:02,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 480. [2023-03-31 21:08:02,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 480 states, 298 states have (on average 1.2919463087248322) internal successors, (385), 313 states have internal predecessors, (385), 126 states have call successors, (126), 58 states have call predecessors, (126), 55 states have return successors, (123), 114 states have call predecessors, (123), 114 states have call successors, (123) [2023-03-31 21:08:02,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 634 transitions. [2023-03-31 21:08:02,305 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 634 transitions. Word has length 21 [2023-03-31 21:08:02,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 21:08:02,306 INFO L495 AbstractCegarLoop]: Abstraction has 480 states and 634 transitions. [2023-03-31 21:08:02,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-03-31 21:08:02,306 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 634 transitions. [2023-03-31 21:08:02,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-03-31 21:08:02,314 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 21:08:02,314 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1] [2023-03-31 21:08:02,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-31 21:08:02,314 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 21:08:02,315 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 21:08:02,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1358558139, now seen corresponding path program 1 times [2023-03-31 21:08:02,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 21:08:02,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821968359] [2023-03-31 21:08:02,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 21:08:02,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 21:08:02,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 21:08:03,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 21:08:03,254 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 21:08:03,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821968359] [2023-03-31 21:08:03,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821968359] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 21:08:03,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 21:08:03,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-31 21:08:03,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832842759] [2023-03-31 21:08:03,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 21:08:03,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 21:08:03,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 21:08:03,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 21:08:03,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 21:08:03,257 INFO L87 Difference]: Start difference. First operand 480 states and 634 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-03-31 21:08:05,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-03-31 21:08:07,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 21:08:09,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 21:08:09,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 21:08:09,716 INFO L93 Difference]: Finished difference Result 1094 states and 1487 transitions. [2023-03-31 21:08:09,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 21:08:09,718 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 31 [2023-03-31 21:08:09,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 21:08:09,723 INFO L225 Difference]: With dead ends: 1094 [2023-03-31 21:08:09,723 INFO L226 Difference]: Without dead ends: 752 [2023-03-31 21:08:09,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 21:08:09,733 INFO L413 NwaCegarLoop]: 440 mSDtfsCounter, 355 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 6 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 355 SdHoareTripleChecker+Valid, 694 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2023-03-31 21:08:09,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [355 Valid, 694 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 76 Invalid, 3 Unknown, 0 Unchecked, 6.4s Time] [2023-03-31 21:08:09,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2023-03-31 21:08:09,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 719. [2023-03-31 21:08:09,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 719 states, 447 states have (on average 1.284116331096197) internal successors, (574), 463 states have internal predecessors, (574), 189 states have call successors, (189), 84 states have call predecessors, (189), 82 states have return successors, (211), 180 states have call predecessors, (211), 178 states have call successors, (211) [2023-03-31 21:08:09,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 719 states and 974 transitions. [2023-03-31 21:08:09,814 INFO L78 Accepts]: Start accepts. Automaton has 719 states and 974 transitions. Word has length 31 [2023-03-31 21:08:09,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 21:08:09,814 INFO L495 AbstractCegarLoop]: Abstraction has 719 states and 974 transitions. [2023-03-31 21:08:09,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-03-31 21:08:09,815 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 974 transitions. [2023-03-31 21:08:09,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-03-31 21:08:09,816 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 21:08:09,816 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1] [2023-03-31 21:08:09,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-31 21:08:09,816 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 21:08:09,817 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 21:08:09,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1810532394, now seen corresponding path program 1 times [2023-03-31 21:08:09,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 21:08:09,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907543034] [2023-03-31 21:08:09,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 21:08:09,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 21:08:10,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 21:08:10,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 21:08:10,853 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 21:08:10,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907543034] [2023-03-31 21:08:10,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907543034] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 21:08:10,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 21:08:10,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-31 21:08:10,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640240970] [2023-03-31 21:08:10,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 21:08:10,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 21:08:10,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 21:08:10,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 21:08:10,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 21:08:10,860 INFO L87 Difference]: Start difference. First operand 719 states and 974 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 3 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-03-31 21:08:13,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-03-31 21:08:15,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-03-31 21:08:17,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 21:08:19,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 21:08:19,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 21:08:19,482 INFO L93 Difference]: Finished difference Result 728 states and 985 transitions. [2023-03-31 21:08:19,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 21:08:19,483 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 3 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 30 [2023-03-31 21:08:19,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 21:08:19,487 INFO L225 Difference]: With dead ends: 728 [2023-03-31 21:08:19,487 INFO L226 Difference]: Without dead ends: 724 [2023-03-31 21:08:19,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 21:08:19,488 INFO L413 NwaCegarLoop]: 370 mSDtfsCounter, 11 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2023-03-31 21:08:19,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 700 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 119 Invalid, 4 Unknown, 0 Unchecked, 8.6s Time] [2023-03-31 21:08:19,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2023-03-31 21:08:19,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 724. [2023-03-31 21:08:19,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 724 states, 453 states have (on average 1.2825607064017661) internal successors, (581), 467 states have internal predecessors, (581), 188 states have call successors, (188), 85 states have call predecessors, (188), 82 states have return successors, (211), 180 states have call predecessors, (211), 178 states have call successors, (211) [2023-03-31 21:08:19,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 980 transitions. [2023-03-31 21:08:19,524 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 980 transitions. Word has length 30 [2023-03-31 21:08:19,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 21:08:19,524 INFO L495 AbstractCegarLoop]: Abstraction has 724 states and 980 transitions. [2023-03-31 21:08:19,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 3 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-03-31 21:08:19,524 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 980 transitions. [2023-03-31 21:08:19,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-03-31 21:08:19,525 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 21:08:19,525 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 21:08:19,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-03-31 21:08:19,526 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 21:08:19,526 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 21:08:19,526 INFO L85 PathProgramCache]: Analyzing trace with hash -492303629, now seen corresponding path program 1 times [2023-03-31 21:08:19,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 21:08:19,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483517380] [2023-03-31 21:08:19,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 21:08:19,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 21:08:19,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 21:08:20,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 21:08:20,552 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 21:08:20,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483517380] [2023-03-31 21:08:20,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483517380] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 21:08:20,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 21:08:20,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-03-31 21:08:20,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30570562] [2023-03-31 21:08:20,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 21:08:20,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-03-31 21:08:20,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 21:08:20,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-03-31 21:08:20,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-03-31 21:08:20,554 INFO L87 Difference]: Start difference. First operand 724 states and 980 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 3 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2023-03-31 21:08:23,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-03-31 21:08:25,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-03-31 21:08:28,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 21:08:30,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []