java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c
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This is Ultimate 0.1.24-f4eb214f-m
[2019-10-13 23:01:26,003 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2019-10-13 23:01:26,005 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2019-10-13 23:01:26,022 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-10-13 23:01:26,022 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-10-13 23:01:26,024 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-10-13 23:01:26,026 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-10-13 23:01:26,035 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2019-10-13 23:01:26,040 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-10-13 23:01:26,041 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-10-13 23:01:26,042 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2019-10-13 23:01:26,044 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-10-13 23:01:26,044 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-10-13 23:01:26,047 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-10-13 23:01:26,049 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-10-13 23:01:26,051 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-10-13 23:01:26,052 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-10-13 23:01:26,053 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-10-13 23:01:26,054 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-10-13 23:01:26,059 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2019-10-13 23:01:26,063 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-10-13 23:01:26,066 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-10-13 23:01:26,069 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2019-10-13 23:01:26,069 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-10-13 23:01:26,071 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-10-13 23:01:26,072 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-10-13 23:01:26,072 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-10-13 23:01:26,074 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-10-13 23:01:26,075 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-10-13 23:01:26,076 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-10-13 23:01:26,076 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-10-13 23:01:26,077 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-10-13 23:01:26,078 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-10-13 23:01:26,078 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2019-10-13 23:01:26,080 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-10-13 23:01:26,080 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2019-10-13 23:01:26,081 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-10-13 23:01:26,081 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-10-13 23:01:26,081 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2019-10-13 23:01:26,082 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2019-10-13 23:01:26,083 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2019-10-13 23:01:26,084 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2019-10-13 23:01:26,117 INFO L113 SettingsManager]: Loading preferences was successful
[2019-10-13 23:01:26,117 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2019-10-13 23:01:26,120 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-10-13 23:01:26,121 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2019-10-13 23:01:26,121 INFO L138 SettingsManager]: * Use SBE=true
[2019-10-13 23:01:26,121 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-10-13 23:01:26,121 INFO L138 SettingsManager]: * sizeof long=4
[2019-10-13 23:01:26,122 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2019-10-13 23:01:26,122 INFO L138 SettingsManager]: * sizeof POINTER=4
[2019-10-13 23:01:26,122 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2019-10-13 23:01:26,122 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2019-10-13 23:01:26,122 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-10-13 23:01:26,122 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2019-10-13 23:01:26,123 INFO L138 SettingsManager]: * sizeof long double=12
[2019-10-13 23:01:26,123 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2019-10-13 23:01:26,123 INFO L138 SettingsManager]: * Use constant arrays=true
[2019-10-13 23:01:26,123 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2019-10-13 23:01:26,124 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-10-13 23:01:26,124 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2019-10-13 23:01:26,124 INFO L138 SettingsManager]: * To the following directory=./dump/
[2019-10-13 23:01:26,124 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2019-10-13 23:01:26,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-10-13 23:01:26,125 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-10-13 23:01:26,125 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2019-10-13 23:01:26,125 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-10-13 23:01:26,125 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2019-10-13 23:01:26,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-10-13 23:01:26,126 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-10-13 23:01:26,126 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK
[2019-10-13 23:01:26,393 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2019-10-13 23:01:26,405 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-10-13 23:01:26,409 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-10-13 23:01:26,410 INFO L271 PluginConnector]: Initializing CDTParser...
[2019-10-13 23:01:26,410 INFO L275 PluginConnector]: CDTParser initialized
[2019-10-13 23:01:26,411 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c
[2019-10-13 23:01:26,482 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7565e4fa3/7cb6d9b688c94e20908854db17365830/FLAGb375a77a7
[2019-10-13 23:01:26,965 INFO L306 CDTParser]: Found 1 translation units.
[2019-10-13 23:01:26,965 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c
[2019-10-13 23:01:26,978 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7565e4fa3/7cb6d9b688c94e20908854db17365830/FLAGb375a77a7
[2019-10-13 23:01:27,342 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7565e4fa3/7cb6d9b688c94e20908854db17365830
[2019-10-13 23:01:27,354 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-10-13 23:01:27,356 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2019-10-13 23:01:27,360 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-10-13 23:01:27,360 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-10-13 23:01:27,364 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2019-10-13 23:01:27,365 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:01:27" (1/1) ...
[2019-10-13 23:01:27,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a425a91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:01:27, skipping insertion in model container
[2019-10-13 23:01:27,369 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:01:27" (1/1) ...
[2019-10-13 23:01:27,378 INFO L142 MainTranslator]: Starting translation in SV-COMP mode
[2019-10-13 23:01:27,438 INFO L173 MainTranslator]: Built tables and reachable declarations
[2019-10-13 23:01:27,810 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-10-13 23:01:27,985 INFO L188 MainTranslator]: Completed pre-run
[2019-10-13 23:01:28,101 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-10-13 23:01:28,135 INFO L192 MainTranslator]: Completed translation
[2019-10-13 23:01:28,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:01:28 WrapperNode
[2019-10-13 23:01:28,135 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-10-13 23:01:28,136 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-10-13 23:01:28,136 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2019-10-13 23:01:28,136 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2019-10-13 23:01:28,149 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:01:28" (1/1) ...
[2019-10-13 23:01:28,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:01:28" (1/1) ...
[2019-10-13 23:01:28,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:01:28" (1/1) ...
[2019-10-13 23:01:28,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:01:28" (1/1) ...
[2019-10-13 23:01:28,183 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:01:28" (1/1) ...
[2019-10-13 23:01:28,195 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:01:28" (1/1) ...
[2019-10-13 23:01:28,199 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:01:28" (1/1) ...
[2019-10-13 23:01:28,205 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-10-13 23:01:28,206 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-10-13 23:01:28,206 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2019-10-13 23:01:28,206 INFO L275 PluginConnector]: RCFGBuilder initialized
[2019-10-13 23:01:28,207 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:01:28" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-10-13 23:01:28,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-10-13 23:01:28,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-10-13 23:01:28,270 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init
[2019-10-13 23:01:28,270 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init
[2019-10-13 23:01:28,270 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP
[2019-10-13 23:01:28,270 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2019-10-13 23:01:28,270 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired
[2019-10-13 23:01:28,270 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver
[2019-10-13 23:01:28,271 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest
[2019-10-13 23:01:28,271 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent
[2019-10-13 23:01:28,271 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject
[2019-10-13 23:01:28,271 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete
[2019-10-13 23:01:28,271 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_CreateClose
[2019-10-13 23:01:28,271 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_DispatchPassThrough
[2019-10-13 23:01:28,271 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Power
[2019-10-13 23:01:28,272 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver
[2019-10-13 23:01:28,272 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_InternIoCtl
[2019-10-13 23:01:28,272 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn
[2019-10-13 23:01:28,272 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-10-13 23:01:28,272 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char
[2019-10-13 23:01:28,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-10-13 23:01:28,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long
[2019-10-13 23:01:28,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer
[2019-10-13 23:01:28,273 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP
[2019-10-13 23:01:28,273 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver
[2019-10-13 23:01:28,273 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent
[2019-10-13 23:01:28,274 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject
[2019-10-13 23:01:28,274 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete
[2019-10-13 23:01:28,274 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_CreateClose
[2019-10-13 23:01:28,274 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_DispatchPassThrough
[2019-10-13 23:01:28,274 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Power
[2019-10-13 23:01:28,274 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver
[2019-10-13 23:01:28,275 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_InternIoCtl
[2019-10-13 23:01:28,275 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn
[2019-10-13 23:01:28,275 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest
[2019-10-13 23:01:28,275 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init
[2019-10-13 23:01:28,275 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init
[2019-10-13 23:01:28,275 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2019-10-13 23:01:28,276 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired
[2019-10-13 23:01:28,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-10-13 23:01:28,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-10-13 23:01:28,579 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2019-10-13 23:01:28,658 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false;
[2019-10-13 23:01:28,659 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false;
[2019-10-13 23:01:28,676 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2019-10-13 23:01:28,796 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false;
[2019-10-13 23:01:28,797 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false;
[2019-10-13 23:01:28,798 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2019-10-13 23:01:28,860 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false;
[2019-10-13 23:01:28,860 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false;
[2019-10-13 23:01:28,872 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2019-10-13 23:01:28,934 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false;
[2019-10-13 23:01:28,934 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false;
[2019-10-13 23:01:29,036 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2019-10-13 23:01:29,056 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false;
[2019-10-13 23:01:29,056 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false;
[2019-10-13 23:01:29,082 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2019-10-13 23:01:29,180 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false;
[2019-10-13 23:01:29,181 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false;
[2019-10-13 23:01:29,633 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-10-13 23:01:29,633 INFO L284 CfgBuilder]: Removed 0 assume(true) statements.
[2019-10-13 23:01:29,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:01:29 BoogieIcfgContainer
[2019-10-13 23:01:29,635 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-10-13 23:01:29,637 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-10-13 23:01:29,637 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2019-10-13 23:01:29,640 INFO L275 PluginConnector]: TraceAbstraction initialized
[2019-10-13 23:01:29,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:01:27" (1/3) ...
[2019-10-13 23:01:29,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cee02aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:01:29, skipping insertion in model container
[2019-10-13 23:01:29,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:01:28" (2/3) ...
[2019-10-13 23:01:29,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cee02aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:01:29, skipping insertion in model container
[2019-10-13 23:01:29,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:01:29" (3/3) ...
[2019-10-13 23:01:29,644 INFO L109 eAbstractionObserver]: Analyzing ICFG kbfiltr_simpl2.cil-2.c
[2019-10-13 23:01:29,655 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-10-13 23:01:29,664 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2019-10-13 23:01:29,678 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2019-10-13 23:01:29,703 INFO L373 AbstractCegarLoop]: Interprodecural is true
[2019-10-13 23:01:29,704 INFO L374 AbstractCegarLoop]: Hoare is true
[2019-10-13 23:01:29,704 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-10-13 23:01:29,704 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-10-13 23:01:29,704 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-10-13 23:01:29,704 INFO L378 AbstractCegarLoop]: Difference is false
[2019-10-13 23:01:29,705 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-10-13 23:01:29,705 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-10-13 23:01:29,727 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states.
[2019-10-13 23:01:29,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2019-10-13 23:01:29,734 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 23:01:29,735 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 23:01:29,737 INFO L410 AbstractCegarLoop]: === Iteration 1 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 23:01:29,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 23:01:29,742 INFO L82 PathProgramCache]: Analyzing trace with hash -1719877792, now seen corresponding path program 1 times
[2019-10-13 23:01:29,751 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2019-10-13 23:01:29,751 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868295233]
[2019-10-13 23:01:29,752 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 23:01:29,752 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 23:01:29,752 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 23:01:29,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 23:01:29,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 23:01:29,985 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868295233]
[2019-10-13 23:01:29,986 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 23:01:29,986 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-10-13 23:01:29,986 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681301200]
[2019-10-13 23:01:29,991 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-10-13 23:01:29,991 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2019-10-13 23:01:30,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-10-13 23:01:30,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-10-13 23:01:30,007 INFO L87 Difference]: Start difference. First operand 175 states. Second operand 3 states.
[2019-10-13 23:01:30,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 23:01:30,126 INFO L93 Difference]: Finished difference Result 297 states and 440 transitions.
[2019-10-13 23:01:30,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2019-10-13 23:01:30,128 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18
[2019-10-13 23:01:30,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 23:01:30,152 INFO L225 Difference]: With dead ends: 297
[2019-10-13 23:01:30,153 INFO L226 Difference]: Without dead ends: 169
[2019-10-13 23:01:30,164 INFO L600 BasicCegarLoop]: 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
[2019-10-13 23:01:30,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states.
[2019-10-13 23:01:30,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169.
[2019-10-13 23:01:30,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states.
[2019-10-13 23:01:30,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 225 transitions.
[2019-10-13 23:01:30,272 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 225 transitions. Word has length 18
[2019-10-13 23:01:30,273 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 23:01:30,273 INFO L462 AbstractCegarLoop]: Abstraction has 169 states and 225 transitions.
[2019-10-13 23:01:30,273 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-10-13 23:01:30,273 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 225 transitions.
[2019-10-13 23:01:30,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2019-10-13 23:01:30,276 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 23:01:30,277 INFO L380 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]
[2019-10-13 23:01:30,277 INFO L410 AbstractCegarLoop]: === Iteration 2 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 23:01:30,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 23:01:30,278 INFO L82 PathProgramCache]: Analyzing trace with hash -1716978047, now seen corresponding path program 1 times
[2019-10-13 23:01:30,278 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2019-10-13 23:01:30,279 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776504287]
[2019-10-13 23:01:30,279 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 23:01:30,279 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 23:01:30,280 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 23:01:30,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 23:01:30,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 23:01:30,479 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776504287]
[2019-10-13 23:01:30,479 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 23:01:30,480 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-10-13 23:01:30,480 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465009560]
[2019-10-13 23:01:30,481 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-10-13 23:01:30,482 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2019-10-13 23:01:30,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-10-13 23:01:30,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-10-13 23:01:30,482 INFO L87 Difference]: Start difference. First operand 169 states and 225 transitions. Second operand 3 states.
[2019-10-13 23:01:30,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 23:01:30,607 INFO L93 Difference]: Finished difference Result 238 states and 312 transitions.
[2019-10-13 23:01:30,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2019-10-13 23:01:30,607 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22
[2019-10-13 23:01:30,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 23:01:30,610 INFO L225 Difference]: With dead ends: 238
[2019-10-13 23:01:30,610 INFO L226 Difference]: Without dead ends: 187
[2019-10-13 23:01:30,611 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-10-13 23:01:30,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states.
[2019-10-13 23:01:30,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 185.
[2019-10-13 23:01:30,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states.
[2019-10-13 23:01:30,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 239 transitions.
[2019-10-13 23:01:30,633 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 239 transitions. Word has length 22
[2019-10-13 23:01:30,634 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 23:01:30,634 INFO L462 AbstractCegarLoop]: Abstraction has 185 states and 239 transitions.
[2019-10-13 23:01:30,634 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-10-13 23:01:30,634 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 239 transitions.
[2019-10-13 23:01:30,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2019-10-13 23:01:30,635 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 23:01:30,636 INFO L380 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]
[2019-10-13 23:01:30,636 INFO L410 AbstractCegarLoop]: === Iteration 3 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 23:01:30,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 23:01:30,636 INFO L82 PathProgramCache]: Analyzing trace with hash -1686721400, now seen corresponding path program 1 times
[2019-10-13 23:01:30,637 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2019-10-13 23:01:30,637 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282522894]
[2019-10-13 23:01:30,637 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 23:01:30,637 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 23:01:30,638 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 23:01:30,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 23:01:30,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 23:01:30,707 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282522894]
[2019-10-13 23:01:30,708 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 23:01:30,708 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-10-13 23:01:30,709 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700221297]
[2019-10-13 23:01:30,709 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-10-13 23:01:30,709 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2019-10-13 23:01:30,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-10-13 23:01:30,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-10-13 23:01:30,710 INFO L87 Difference]: Start difference. First operand 185 states and 239 transitions. Second operand 3 states.
[2019-10-13 23:01:30,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 23:01:30,750 INFO L93 Difference]: Finished difference Result 292 states and 374 transitions.
[2019-10-13 23:01:30,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2019-10-13 23:01:30,751 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23
[2019-10-13 23:01:30,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 23:01:30,753 INFO L225 Difference]: With dead ends: 292
[2019-10-13 23:01:30,753 INFO L226 Difference]: Without dead ends: 223
[2019-10-13 23:01:30,754 INFO L600 BasicCegarLoop]: 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
[2019-10-13 23:01:30,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states.
[2019-10-13 23:01:30,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 200.
[2019-10-13 23:01:30,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states.
[2019-10-13 23:01:30,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 255 transitions.
[2019-10-13 23:01:30,793 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 255 transitions. Word has length 23
[2019-10-13 23:01:30,793 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 23:01:30,793 INFO L462 AbstractCegarLoop]: Abstraction has 200 states and 255 transitions.
[2019-10-13 23:01:30,793 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-10-13 23:01:30,794 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 255 transitions.
[2019-10-13 23:01:30,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2019-10-13 23:01:30,796 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 23:01:30,798 INFO L380 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, 1, 1, 1, 1, 1]
[2019-10-13 23:01:30,799 INFO L410 AbstractCegarLoop]: === Iteration 4 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 23:01:30,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 23:01:30,799 INFO L82 PathProgramCache]: Analyzing trace with hash 791530077, now seen corresponding path program 1 times
[2019-10-13 23:01:30,800 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2019-10-13 23:01:30,800 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914080246]
[2019-10-13 23:01:30,800 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 23:01:30,801 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 23:01:30,801 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 23:01:30,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 23:01:30,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 23:01:30,894 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914080246]
[2019-10-13 23:01:30,895 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 23:01:30,895 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-10-13 23:01:30,895 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34705256]
[2019-10-13 23:01:30,895 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-10-13 23:01:30,896 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2019-10-13 23:01:30,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-10-13 23:01:30,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-10-13 23:01:30,896 INFO L87 Difference]: Start difference. First operand 200 states and 255 transitions. Second operand 3 states.
[2019-10-13 23:01:30,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 23:01:30,970 INFO L93 Difference]: Finished difference Result 203 states and 257 transitions.
[2019-10-13 23:01:30,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2019-10-13 23:01:30,970 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30
[2019-10-13 23:01:30,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 23:01:30,973 INFO L225 Difference]: With dead ends: 203
[2019-10-13 23:01:30,973 INFO L226 Difference]: Without dead ends: 199
[2019-10-13 23:01:30,974 INFO L600 BasicCegarLoop]: 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
[2019-10-13 23:01:30,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states.
[2019-10-13 23:01:30,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 199.
[2019-10-13 23:01:30,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states.
[2019-10-13 23:01:30,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 252 transitions.
[2019-10-13 23:01:30,986 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 252 transitions. Word has length 30
[2019-10-13 23:01:30,987 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 23:01:30,987 INFO L462 AbstractCegarLoop]: Abstraction has 199 states and 252 transitions.
[2019-10-13 23:01:30,987 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-10-13 23:01:30,987 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 252 transitions.
[2019-10-13 23:01:30,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38
[2019-10-13 23:01:30,990 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 23:01:30,990 INFO L380 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 23:01:30,990 INFO L410 AbstractCegarLoop]: === Iteration 5 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 23:01:30,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 23:01:30,991 INFO L82 PathProgramCache]: Analyzing trace with hash 851206170, now seen corresponding path program 1 times
[2019-10-13 23:01:30,991 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2019-10-13 23:01:30,991 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552908962]
[2019-10-13 23:01:30,991 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 23:01:30,992 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 23:01:30,992 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 23:01:31,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 23:01:31,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 23:01:31,067 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552908962]
[2019-10-13 23:01:31,067 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 23:01:31,067 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2019-10-13 23:01:31,067 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606151973]
[2019-10-13 23:01:31,068 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states
[2019-10-13 23:01:31,068 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2019-10-13 23:01:31,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2019-10-13 23:01:31,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2019-10-13 23:01:31,069 INFO L87 Difference]: Start difference. First operand 199 states and 252 transitions. Second operand 4 states.
[2019-10-13 23:01:31,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 23:01:31,194 INFO L93 Difference]: Finished difference Result 247 states and 306 transitions.
[2019-10-13 23:01:31,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2019-10-13 23:01:31,195 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37
[2019-10-13 23:01:31,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 23:01:31,197 INFO L225 Difference]: With dead ends: 247
[2019-10-13 23:01:31,197 INFO L226 Difference]: Without dead ends: 197
[2019-10-13 23:01:31,198 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2019-10-13 23:01:31,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states.
[2019-10-13 23:01:31,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 177.
[2019-10-13 23:01:31,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states.
[2019-10-13 23:01:31,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 220 transitions.
[2019-10-13 23:01:31,209 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 220 transitions. Word has length 37
[2019-10-13 23:01:31,209 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 23:01:31,210 INFO L462 AbstractCegarLoop]: Abstraction has 177 states and 220 transitions.
[2019-10-13 23:01:31,210 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2019-10-13 23:01:31,210 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 220 transitions.
[2019-10-13 23:01:31,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2019-10-13 23:01:31,212 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 23:01:31,212 INFO L380 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 23:01:31,212 INFO L410 AbstractCegarLoop]: === Iteration 6 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 23:01:31,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 23:01:31,212 INFO L82 PathProgramCache]: Analyzing trace with hash -109113502, now seen corresponding path program 1 times
[2019-10-13 23:01:31,213 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2019-10-13 23:01:31,213 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920504388]
[2019-10-13 23:01:31,213 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 23:01:31,213 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 23:01:31,213 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 23:01:31,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 23:01:31,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 23:01:31,259 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920504388]
[2019-10-13 23:01:31,259 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 23:01:31,259 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-10-13 23:01:31,259 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678646480]
[2019-10-13 23:01:31,260 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-10-13 23:01:31,260 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2019-10-13 23:01:31,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-10-13 23:01:31,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-10-13 23:01:31,261 INFO L87 Difference]: Start difference. First operand 177 states and 220 transitions. Second operand 3 states.
[2019-10-13 23:01:31,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 23:01:31,288 INFO L93 Difference]: Finished difference Result 189 states and 235 transitions.
[2019-10-13 23:01:31,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2019-10-13 23:01:31,289 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40
[2019-10-13 23:01:31,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 23:01:31,290 INFO L225 Difference]: With dead ends: 189
[2019-10-13 23:01:31,291 INFO L226 Difference]: Without dead ends: 173
[2019-10-13 23:01:31,291 INFO L600 BasicCegarLoop]: 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
[2019-10-13 23:01:31,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states.
[2019-10-13 23:01:31,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173.
[2019-10-13 23:01:31,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states.
[2019-10-13 23:01:31,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 213 transitions.
[2019-10-13 23:01:31,303 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 213 transitions. Word has length 40
[2019-10-13 23:01:31,304 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 23:01:31,304 INFO L462 AbstractCegarLoop]: Abstraction has 173 states and 213 transitions.
[2019-10-13 23:01:31,304 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-10-13 23:01:31,304 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 213 transitions.
[2019-10-13 23:01:31,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45
[2019-10-13 23:01:31,306 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 23:01:31,306 INFO L380 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 23:01:31,306 INFO L410 AbstractCegarLoop]: === Iteration 7 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 23:01:31,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 23:01:31,307 INFO L82 PathProgramCache]: Analyzing trace with hash -748889548, now seen corresponding path program 1 times
[2019-10-13 23:01:31,307 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2019-10-13 23:01:31,307 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445010276]
[2019-10-13 23:01:31,307 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 23:01:31,308 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 23:01:31,308 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 23:01:31,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 23:01:31,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 23:01:31,358 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445010276]
[2019-10-13 23:01:31,359 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 23:01:31,359 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-10-13 23:01:31,359 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833459199]
[2019-10-13 23:01:31,359 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-10-13 23:01:31,360 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2019-10-13 23:01:31,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-10-13 23:01:31,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-10-13 23:01:31,360 INFO L87 Difference]: Start difference. First operand 173 states and 213 transitions. Second operand 3 states.
[2019-10-13 23:01:31,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 23:01:31,444 INFO L93 Difference]: Finished difference Result 217 states and 265 transitions.
[2019-10-13 23:01:31,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2019-10-13 23:01:31,445 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44
[2019-10-13 23:01:31,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 23:01:31,447 INFO L225 Difference]: With dead ends: 217
[2019-10-13 23:01:31,447 INFO L226 Difference]: Without dead ends: 171
[2019-10-13 23:01:31,448 INFO L600 BasicCegarLoop]: 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
[2019-10-13 23:01:31,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states.
[2019-10-13 23:01:31,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171.
[2019-10-13 23:01:31,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states.
[2019-10-13 23:01:31,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 209 transitions.
[2019-10-13 23:01:31,465 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 209 transitions. Word has length 44
[2019-10-13 23:01:31,465 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 23:01:31,465 INFO L462 AbstractCegarLoop]: Abstraction has 171 states and 209 transitions.
[2019-10-13 23:01:31,465 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-10-13 23:01:31,465 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 209 transitions.
[2019-10-13 23:01:31,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2019-10-13 23:01:31,466 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 23:01:31,467 INFO L380 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 23:01:31,467 INFO L410 AbstractCegarLoop]: === Iteration 8 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 23:01:31,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 23:01:31,467 INFO L82 PathProgramCache]: Analyzing trace with hash 920770954, now seen corresponding path program 1 times
[2019-10-13 23:01:31,468 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2019-10-13 23:01:31,468 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320470658]
[2019-10-13 23:01:31,468 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 23:01:31,468 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 23:01:31,469 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 23:01:31,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 23:01:31,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 23:01:31,611 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320470658]
[2019-10-13 23:01:31,612 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 23:01:31,612 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2019-10-13 23:01:31,612 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161665332]
[2019-10-13 23:01:31,613 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states
[2019-10-13 23:01:31,613 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2019-10-13 23:01:31,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2019-10-13 23:01:31,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90
[2019-10-13 23:01:31,636 INFO L87 Difference]: Start difference. First operand 171 states and 209 transitions. Second operand 10 states.
[2019-10-13 23:01:32,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 23:01:32,410 INFO L93 Difference]: Finished difference Result 221 states and 268 transitions.
[2019-10-13 23:01:32,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2019-10-13 23:01:32,410 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 41
[2019-10-13 23:01:32,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 23:01:32,412 INFO L225 Difference]: With dead ends: 221
[2019-10-13 23:01:32,413 INFO L226 Difference]: Without dead ends: 215
[2019-10-13 23:01:32,413 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342
[2019-10-13 23:01:32,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states.
[2019-10-13 23:01:32,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 199.
[2019-10-13 23:01:32,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states.
[2019-10-13 23:01:32,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 242 transitions.
[2019-10-13 23:01:32,429 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 242 transitions. Word has length 41
[2019-10-13 23:01:32,430 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 23:01:32,430 INFO L462 AbstractCegarLoop]: Abstraction has 199 states and 242 transitions.
[2019-10-13 23:01:32,430 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states.
[2019-10-13 23:01:32,430 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 242 transitions.
[2019-10-13 23:01:32,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2019-10-13 23:01:32,431 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 23:01:32,432 INFO L380 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 23:01:32,432 INFO L410 AbstractCegarLoop]: === Iteration 9 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 23:01:32,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 23:01:32,432 INFO L82 PathProgramCache]: Analyzing trace with hash -642329821, now seen corresponding path program 1 times
[2019-10-13 23:01:32,432 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2019-10-13 23:01:32,433 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564625728]
[2019-10-13 23:01:32,433 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 23:01:32,433 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 23:01:32,433 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 23:01:32,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 23:01:32,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 23:01:32,540 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564625728]
[2019-10-13 23:01:32,540 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 23:01:32,541 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2019-10-13 23:01:32,541 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129360236]
[2019-10-13 23:01:32,541 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states
[2019-10-13 23:01:32,541 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2019-10-13 23:01:32,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2019-10-13 23:01:32,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2019-10-13 23:01:32,542 INFO L87 Difference]: Start difference. First operand 199 states and 242 transitions. Second operand 9 states.
[2019-10-13 23:01:33,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 23:01:33,077 INFO L93 Difference]: Finished difference Result 207 states and 250 transitions.
[2019-10-13 23:01:33,078 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2019-10-13 23:01:33,078 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 42
[2019-10-13 23:01:33,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 23:01:33,080 INFO L225 Difference]: With dead ends: 207
[2019-10-13 23:01:33,080 INFO L226 Difference]: Without dead ends: 171
[2019-10-13 23:01:33,081 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342
[2019-10-13 23:01:33,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states.
[2019-10-13 23:01:33,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171.
[2019-10-13 23:01:33,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states.
[2019-10-13 23:01:33,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 207 transitions.
[2019-10-13 23:01:33,096 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 207 transitions. Word has length 42
[2019-10-13 23:01:33,097 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 23:01:33,097 INFO L462 AbstractCegarLoop]: Abstraction has 171 states and 207 transitions.
[2019-10-13 23:01:33,097 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states.
[2019-10-13 23:01:33,097 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 207 transitions.
[2019-10-13 23:01:33,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2019-10-13 23:01:33,099 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 23:01:33,099 INFO L380 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 23:01:33,100 INFO L410 AbstractCegarLoop]: === Iteration 10 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 23:01:33,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 23:01:33,100 INFO L82 PathProgramCache]: Analyzing trace with hash -154178979, now seen corresponding path program 1 times
[2019-10-13 23:01:33,100 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2019-10-13 23:01:33,100 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726645071]
[2019-10-13 23:01:33,101 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 23:01:33,101 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 23:01:33,101 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 23:01:33,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 23:01:33,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 23:01:33,193 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726645071]
[2019-10-13 23:01:33,194 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 23:01:33,194 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2019-10-13 23:01:33,194 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076133634]
[2019-10-13 23:01:33,194 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states
[2019-10-13 23:01:33,195 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2019-10-13 23:01:33,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2019-10-13 23:01:33,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2019-10-13 23:01:33,196 INFO L87 Difference]: Start difference. First operand 171 states and 207 transitions. Second operand 7 states.
[2019-10-13 23:01:33,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 23:01:33,529 INFO L93 Difference]: Finished difference Result 207 states and 249 transitions.
[2019-10-13 23:01:33,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2019-10-13 23:01:33,529 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 42
[2019-10-13 23:01:33,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 23:01:33,531 INFO L225 Difference]: With dead ends: 207
[2019-10-13 23:01:33,531 INFO L226 Difference]: Without dead ends: 171
[2019-10-13 23:01:33,532 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132
[2019-10-13 23:01:33,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states.
[2019-10-13 23:01:33,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171.
[2019-10-13 23:01:33,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states.
[2019-10-13 23:01:33,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 205 transitions.
[2019-10-13 23:01:33,545 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 205 transitions. Word has length 42
[2019-10-13 23:01:33,546 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 23:01:33,546 INFO L462 AbstractCegarLoop]: Abstraction has 171 states and 205 transitions.
[2019-10-13 23:01:33,546 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2019-10-13 23:01:33,546 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 205 transitions.
[2019-10-13 23:01:33,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2019-10-13 23:01:33,547 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 23:01:33,547 INFO L380 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 23:01:33,547 INFO L410 AbstractCegarLoop]: === Iteration 11 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 23:01:33,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 23:01:33,548 INFO L82 PathProgramCache]: Analyzing trace with hash -160517261, now seen corresponding path program 1 times
[2019-10-13 23:01:33,548 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2019-10-13 23:01:33,548 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876880235]
[2019-10-13 23:01:33,548 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 23:01:33,549 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 23:01:33,549 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 23:01:33,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 23:01:33,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 23:01:33,585 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876880235]
[2019-10-13 23:01:33,586 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 23:01:33,586 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-10-13 23:01:33,586 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925942951]
[2019-10-13 23:01:33,587 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-10-13 23:01:33,587 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2019-10-13 23:01:33,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-10-13 23:01:33,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-10-13 23:01:33,588 INFO L87 Difference]: Start difference. First operand 171 states and 205 transitions. Second operand 3 states.
[2019-10-13 23:01:33,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 23:01:33,648 INFO L93 Difference]: Finished difference Result 190 states and 225 transitions.
[2019-10-13 23:01:33,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2019-10-13 23:01:33,649 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42
[2019-10-13 23:01:33,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 23:01:33,650 INFO L225 Difference]: With dead ends: 190
[2019-10-13 23:01:33,650 INFO L226 Difference]: Without dead ends: 155
[2019-10-13 23:01:33,651 INFO L600 BasicCegarLoop]: 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
[2019-10-13 23:01:33,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states.
[2019-10-13 23:01:33,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155.
[2019-10-13 23:01:33,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states.
[2019-10-13 23:01:33,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 183 transitions.
[2019-10-13 23:01:33,665 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 183 transitions. Word has length 42
[2019-10-13 23:01:33,666 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 23:01:33,666 INFO L462 AbstractCegarLoop]: Abstraction has 155 states and 183 transitions.
[2019-10-13 23:01:33,666 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-10-13 23:01:33,666 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 183 transitions.
[2019-10-13 23:01:33,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47
[2019-10-13 23:01:33,667 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 23:01:33,667 INFO L380 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 23:01:33,668 INFO L410 AbstractCegarLoop]: === Iteration 12 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 23:01:33,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 23:01:33,670 INFO L82 PathProgramCache]: Analyzing trace with hash -999521316, now seen corresponding path program 1 times
[2019-10-13 23:01:33,670 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2019-10-13 23:01:33,671 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049144967]
[2019-10-13 23:01:33,671 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 23:01:33,671 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 23:01:33,671 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 23:01:33,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 23:01:33,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 23:01:33,756 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049144967]
[2019-10-13 23:01:33,756 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 23:01:33,756 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2019-10-13 23:01:33,757 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468825578]
[2019-10-13 23:01:33,757 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states
[2019-10-13 23:01:33,757 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2019-10-13 23:01:33,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2019-10-13 23:01:33,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2019-10-13 23:01:33,758 INFO L87 Difference]: Start difference. First operand 155 states and 183 transitions. Second operand 5 states.
[2019-10-13 23:01:33,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 23:01:33,777 INFO L93 Difference]: Finished difference Result 176 states and 206 transitions.
[2019-10-13 23:01:33,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2019-10-13 23:01:33,778 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 46
[2019-10-13 23:01:33,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 23:01:33,779 INFO L225 Difference]: With dead ends: 176
[2019-10-13 23:01:33,779 INFO L226 Difference]: Without dead ends: 153
[2019-10-13 23:01:33,779 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2019-10-13 23:01:33,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states.
[2019-10-13 23:01:33,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153.
[2019-10-13 23:01:33,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states.
[2019-10-13 23:01:33,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 180 transitions.
[2019-10-13 23:01:33,791 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 180 transitions. Word has length 46
[2019-10-13 23:01:33,792 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 23:01:33,792 INFO L462 AbstractCegarLoop]: Abstraction has 153 states and 180 transitions.
[2019-10-13 23:01:33,792 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2019-10-13 23:01:33,792 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 180 transitions.
[2019-10-13 23:01:33,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2019-10-13 23:01:33,793 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 23:01:33,793 INFO L380 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 23:01:33,793 INFO L410 AbstractCegarLoop]: === Iteration 13 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 23:01:33,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 23:01:33,794 INFO L82 PathProgramCache]: Analyzing trace with hash 620071237, now seen corresponding path program 1 times
[2019-10-13 23:01:33,794 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2019-10-13 23:01:33,794 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33537759]
[2019-10-13 23:01:33,794 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 23:01:33,794 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 23:01:33,794 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 23:01:33,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 23:01:33,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 23:01:33,884 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33537759]
[2019-10-13 23:01:33,884 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 23:01:33,884 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2019-10-13 23:01:33,884 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976020910]
[2019-10-13 23:01:33,885 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states
[2019-10-13 23:01:33,885 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2019-10-13 23:01:33,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2019-10-13 23:01:33,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2019-10-13 23:01:33,885 INFO L87 Difference]: Start difference. First operand 153 states and 180 transitions. Second operand 8 states.
[2019-10-13 23:01:34,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 23:01:34,052 INFO L93 Difference]: Finished difference Result 165 states and 192 transitions.
[2019-10-13 23:01:34,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2019-10-13 23:01:34,053 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 43
[2019-10-13 23:01:34,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 23:01:34,054 INFO L225 Difference]: With dead ends: 165
[2019-10-13 23:01:34,054 INFO L226 Difference]: Without dead ends: 137
[2019-10-13 23:01:34,055 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2019-10-13 23:01:34,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states.
[2019-10-13 23:01:34,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137.
[2019-10-13 23:01:34,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states.
[2019-10-13 23:01:34,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 163 transitions.
[2019-10-13 23:01:34,066 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 163 transitions. Word has length 43
[2019-10-13 23:01:34,066 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 23:01:34,066 INFO L462 AbstractCegarLoop]: Abstraction has 137 states and 163 transitions.
[2019-10-13 23:01:34,066 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2019-10-13 23:01:34,066 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 163 transitions.
[2019-10-13 23:01:34,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46
[2019-10-13 23:01:34,067 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 23:01:34,067 INFO L380 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 23:01:34,067 INFO L410 AbstractCegarLoop]: === Iteration 14 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 23:01:34,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 23:01:34,068 INFO L82 PathProgramCache]: Analyzing trace with hash 349639682, now seen corresponding path program 1 times
[2019-10-13 23:01:34,068 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2019-10-13 23:01:34,068 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869417631]
[2019-10-13 23:01:34,068 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 23:01:34,069 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 23:01:34,069 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 23:01:34,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 23:01:34,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 23:01:34,277 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869417631]
[2019-10-13 23:01:34,277 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 23:01:34,277 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2019-10-13 23:01:34,277 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842877911]
[2019-10-13 23:01:34,278 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states
[2019-10-13 23:01:34,278 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2019-10-13 23:01:34,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2019-10-13 23:01:34,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72
[2019-10-13 23:01:34,278 INFO L87 Difference]: Start difference. First operand 137 states and 163 transitions. Second operand 9 states.
[2019-10-13 23:01:34,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 23:01:34,505 INFO L93 Difference]: Finished difference Result 152 states and 178 transitions.
[2019-10-13 23:01:34,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2019-10-13 23:01:34,505 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 45
[2019-10-13 23:01:34,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 23:01:34,507 INFO L225 Difference]: With dead ends: 152
[2019-10-13 23:01:34,507 INFO L226 Difference]: Without dead ends: 133
[2019-10-13 23:01:34,508 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110
[2019-10-13 23:01:34,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states.
[2019-10-13 23:01:34,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133.
[2019-10-13 23:01:34,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states.
[2019-10-13 23:01:34,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 157 transitions.
[2019-10-13 23:01:34,521 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 157 transitions. Word has length 45
[2019-10-13 23:01:34,521 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 23:01:34,521 INFO L462 AbstractCegarLoop]: Abstraction has 133 states and 157 transitions.
[2019-10-13 23:01:34,521 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states.
[2019-10-13 23:01:34,521 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 157 transitions.
[2019-10-13 23:01:34,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2019-10-13 23:01:34,522 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 23:01:34,522 INFO L380 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 23:01:34,522 INFO L410 AbstractCegarLoop]: === Iteration 15 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 23:01:34,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 23:01:34,523 INFO L82 PathProgramCache]: Analyzing trace with hash -917570200, now seen corresponding path program 1 times
[2019-10-13 23:01:34,523 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2019-10-13 23:01:34,523 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417261638]
[2019-10-13 23:01:34,523 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 23:01:34,523 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 23:01:34,524 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 23:01:34,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 23:01:34,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 23:01:34,678 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417261638]
[2019-10-13 23:01:34,678 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 23:01:34,679 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2019-10-13 23:01:34,679 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56588358]
[2019-10-13 23:01:34,679 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states
[2019-10-13 23:01:34,680 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2019-10-13 23:01:34,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2019-10-13 23:01:34,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90
[2019-10-13 23:01:34,680 INFO L87 Difference]: Start difference. First operand 133 states and 157 transitions. Second operand 10 states.
[2019-10-13 23:01:34,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 23:01:34,842 INFO L93 Difference]: Finished difference Result 145 states and 169 transitions.
[2019-10-13 23:01:34,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2019-10-13 23:01:34,843 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 47
[2019-10-13 23:01:34,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 23:01:34,844 INFO L225 Difference]: With dead ends: 145
[2019-10-13 23:01:34,844 INFO L226 Difference]: Without dead ends: 131
[2019-10-13 23:01:34,845 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110
[2019-10-13 23:01:34,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states.
[2019-10-13 23:01:34,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131.
[2019-10-13 23:01:34,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states.
[2019-10-13 23:01:34,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 153 transitions.
[2019-10-13 23:01:34,857 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 153 transitions. Word has length 47
[2019-10-13 23:01:34,857 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 23:01:34,857 INFO L462 AbstractCegarLoop]: Abstraction has 131 states and 153 transitions.
[2019-10-13 23:01:34,857 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states.
[2019-10-13 23:01:34,858 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 153 transitions.
[2019-10-13 23:01:34,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47
[2019-10-13 23:01:34,858 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 23:01:34,858 INFO L380 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 23:01:34,859 INFO L410 AbstractCegarLoop]: === Iteration 16 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 23:01:34,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 23:01:34,859 INFO L82 PathProgramCache]: Analyzing trace with hash -887893932, now seen corresponding path program 1 times
[2019-10-13 23:01:34,859 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2019-10-13 23:01:34,859 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802222012]
[2019-10-13 23:01:34,860 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 23:01:34,860 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 23:01:34,860 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 23:01:34,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-10-13 23:01:34,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-10-13 23:01:34,984 INFO L168 tionRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace
[2019-10-13 23:01:34,986 INFO L445 BasicCegarLoop]: Counterexample might be feasible
[2019-10-13 23:01:35,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 11:01:35 BoogieIcfgContainer
[2019-10-13 23:01:35,113 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2019-10-13 23:01:35,116 INFO L168 Benchmark]: Toolchain (without parser) took 7759.54 ms. Allocated memory was 144.2 MB in the beginning and 305.7 MB in the end (delta: 161.5 MB). Free memory was 101.1 MB in the beginning and 189.0 MB in the end (delta: -88.0 MB). Peak memory consumption was 73.5 MB. Max. memory is 7.1 GB.
[2019-10-13 23:01:35,120 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 144.2 MB. Free memory was 120.5 MB in the beginning and 120.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB.
[2019-10-13 23:01:35,120 INFO L168 Benchmark]: CACSL2BoogieTranslator took 776.10 ms. Allocated memory was 144.2 MB in the beginning and 206.6 MB in the end (delta: 62.4 MB). Free memory was 100.9 MB in the beginning and 178.7 MB in the end (delta: -77.8 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB.
[2019-10-13 23:01:35,123 INFO L168 Benchmark]: Boogie Preprocessor took 69.50 ms. Allocated memory is still 206.6 MB. Free memory was 178.7 MB in the beginning and 175.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB.
[2019-10-13 23:01:35,124 INFO L168 Benchmark]: RCFGBuilder took 1429.57 ms. Allocated memory was 206.6 MB in the beginning and 237.0 MB in the end (delta: 30.4 MB). Free memory was 175.9 MB in the beginning and 165.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 91.3 MB. Max. memory is 7.1 GB.
[2019-10-13 23:01:35,125 INFO L168 Benchmark]: TraceAbstraction took 5476.55 ms. Allocated memory was 237.0 MB in the beginning and 305.7 MB in the end (delta: 68.7 MB). Free memory was 165.9 MB in the beginning and 189.0 MB in the end (delta: -23.2 MB). Peak memory consumption was 45.5 MB. Max. memory is 7.1 GB.
[2019-10-13 23:01:35,134 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.21 ms. Allocated memory is still 144.2 MB. Free memory was 120.5 MB in the beginning and 120.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 776.10 ms. Allocated memory was 144.2 MB in the beginning and 206.6 MB in the end (delta: 62.4 MB). Free memory was 100.9 MB in the beginning and 178.7 MB in the end (delta: -77.8 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 69.50 ms. Allocated memory is still 206.6 MB. Free memory was 178.7 MB in the beginning and 175.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 1429.57 ms. Allocated memory was 206.6 MB in the beginning and 237.0 MB in the end (delta: 30.4 MB). Free memory was 175.9 MB in the beginning and 165.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 91.3 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 5476.55 ms. Allocated memory was 237.0 MB in the beginning and 305.7 MB in the end (delta: 68.7 MB). Free memory was 165.9 MB in the beginning and 189.0 MB in the end (delta: -23.2 MB). Peak memory consumption was 45.5 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 1012]: a call of __VERIFIER_error() is reachable
a call of __VERIFIER_error() is reachable
We found a FailurePath:
[L22] int KernelMode ;
[L23] int Executive ;
[L24] int DevicePowerState ;
[L25] int s ;
[L26] int UNLOADED ;
[L27] int NP ;
[L28] int DC ;
[L29] int SKIP1 ;
[L30] int SKIP2 ;
[L31] int MPR1 ;
[L32] int MPR3 ;
[L33] int IPC ;
[L34] int pended ;
[L35] int compFptr ;
[L36] int compRegistered ;
[L37] int lowerDriverReturn ;
[L38] int setEventCalled ;
[L39] int customIrp ;
[L40] int myStatus ;
[L293] int status ;
[L294] int irp = __VERIFIER_nondet_int() ;
[L295] int pirp ;
[L296] int pirp__IoStatus__Status ;
[L297] int irp_choice = __VERIFIER_nondet_int() ;
[L298] int devobj = __VERIFIER_nondet_int() ;
[L299] int __cil_tmp8 ;
[L301] KernelMode = 0
[L302] Executive = 0
[L303] DevicePowerState = 1
[L304] s = 0
[L305] UNLOADED = 0
[L306] NP = 0
[L307] DC = 0
[L308] SKIP1 = 0
[L309] SKIP2 = 0
[L310] MPR1 = 0
[L311] MPR3 = 0
[L312] IPC = 0
[L313] pended = 0
[L314] compFptr = 0
[L315] compRegistered = 0
[L316] lowerDriverReturn = 0
[L317] setEventCalled = 0
[L318] customIrp = 0
[L319] myStatus = 0
[L323] status = 0
[L324] pirp = irp
VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=0, DevicePowerState=1, devobj=0, Executive=0, IPC=0, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MPR1=0, MPR3=0, myStatus=0, NP=0, pended=0, pirp=0, s=0, setEventCalled=0, SKIP1=0, SKIP2=0, status=0, UNLOADED=0]
[L325] CALL _BLAST_init()
VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=0, DevicePowerState=1, Executive=0, IPC=0, KernelMode=0, lowerDriverReturn=0, MPR1=0, MPR3=0, myStatus=0, NP=0, pended=0, s=0, setEventCalled=0, SKIP1=0, SKIP2=0, UNLOADED=0]
[L60] UNLOADED = 0
[L61] NP = 1
[L62] DC = 2
[L63] SKIP1 = 3
[L64] SKIP2 = 4
[L65] MPR1 = 5
[L66] MPR3 = 6
[L67] IPC = 7
[L68] s = UNLOADED
[L69] pended = 0
[L70] compFptr = 0
[L71] compRegistered = 0
[L72] lowerDriverReturn = 0
[L73] setEventCalled = 0
[L74] customIrp = 0
[L325] RET _BLAST_init()
VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=0, Executive=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, pirp=0, s=0, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0]
[L327] COND TRUE status >= 0
[L328] s = NP
[L329] customIrp = 0
[L330] setEventCalled = customIrp
[L331] lowerDriverReturn = setEventCalled
[L332] compRegistered = lowerDriverReturn
[L333] pended = compRegistered
[L334] pirp__IoStatus__Status = 0
[L335] myStatus = 0
[L336] COND TRUE irp_choice == 0
[L337] pirp__IoStatus__Status = -1073741637
[L338] myStatus = -1073741637
VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=0, Executive=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0]
[L341] CALL stub_driver_init()
VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0]
[L46] s = NP
[L47] pended = 0
[L48] compFptr = 0
[L49] compRegistered = 0
[L50] lowerDriverReturn = 0
[L51] setEventCalled = 0
[L52] customIrp = 0
[L341] RET stub_driver_init()
VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=0, Executive=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0]
[L344] COND FALSE !(status < 0)
[L348] int tmp_ndt_1;
[L349] tmp_ndt_1 = __VERIFIER_nondet_int()
[L350] COND FALSE !(tmp_ndt_1 == 0)
[L353] int tmp_ndt_2;
[L354] tmp_ndt_2 = __VERIFIER_nondet_int()
[L355] COND FALSE !(tmp_ndt_2 == 1)
[L358] int tmp_ndt_3;
[L359] tmp_ndt_3 = __VERIFIER_nondet_int()
[L360] COND TRUE tmp_ndt_3 == 3
VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=0, Executive=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=3, UNLOADED=0]
[L387] CALL, EXPR KbFilter_PnP(devobj, pirp)
VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0]
[L79] int devExt ;
[L80] int irpStack ;
[L81] int status ;
[L82] int event = __VERIFIER_nondet_int() ;
[L83] int DeviceObject__DeviceExtension = __VERIFIER_nondet_int() ;
[L84] int Irp__Tail__Overlay__CurrentStackLocation = __VERIFIER_nondet_int() ;
[L85] int irpStack__MinorFunction = __VERIFIER_nondet_int() ;
[L86] int devExt__TopOfStack = __VERIFIER_nondet_int() ;
[L87] int devExt__Started ;
[L88] int devExt__Removed ;
[L89] int devExt__SurpriseRemoved ;
[L90] int Irp__IoStatus__Status ;
[L91] int Irp__IoStatus__Information ;
[L92] int Irp__CurrentLocation = __VERIFIER_nondet_int() ;
[L93] int irpSp ;
[L94] int nextIrpSp ;
[L95] int nextIrpSp__Control ;
[L96] int irpSp___0 ;
[L97] int irpSp__Context ;
[L98] int irpSp__Control ;
[L99] long __cil_tmp23 ;
[L102] status = 0
[L103] devExt = DeviceObject__DeviceExtension
[L104] irpStack = Irp__Tail__Overlay__CurrentStackLocation
VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, devExt=0, devExt__TopOfStack=0, DeviceObject=0, DeviceObject__DeviceExtension=0, DevicePowerState=1, event=0, Executive=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpStack=0, irpStack__MinorFunction=2, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0]
[L105] COND FALSE !(irpStack__MinorFunction == 0)
VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, devExt=0, devExt__TopOfStack=0, DeviceObject=0, DeviceObject__DeviceExtension=0, DevicePowerState=1, event=0, Executive=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpStack=0, irpStack__MinorFunction=2, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0]
[L108] COND FALSE !(irpStack__MinorFunction == 23)
VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, devExt=0, devExt__TopOfStack=0, DeviceObject=0, DeviceObject__DeviceExtension=0, DevicePowerState=1, event=0, Executive=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpStack=0, irpStack__MinorFunction=2, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0]
[L111] COND TRUE irpStack__MinorFunction == 2
[L235] devExt__Removed = 1
VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, devExt=0, devExt__Removed=1, devExt__TopOfStack=0, DeviceObject=0, DeviceObject__DeviceExtension=0, DevicePowerState=1, event=0, Executive=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpStack=0, irpStack__MinorFunction=2, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0]
[L236] COND TRUE s == NP
[L237] s = SKIP1
VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, devExt=0, devExt__Removed=1, devExt__TopOfStack=0, DeviceObject=0, DeviceObject__DeviceExtension=0, DevicePowerState=1, event=0, Executive=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpStack=0, irpStack__MinorFunction=2, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0]
[L244] Irp__CurrentLocation ++
[L245] Irp__Tail__Overlay__CurrentStackLocation ++
VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, devExt=0, devExt__Removed=1, devExt__TopOfStack=0, DeviceObject=0, DeviceObject__DeviceExtension=0, DevicePowerState=1, event=0, Executive=0, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__Tail__Overlay__CurrentStackLocation=1, irpStack=0, irpStack__MinorFunction=2, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0]
[L246] CALL IofCallDriver(devExt__TopOfStack, Irp)
VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0]
[L482] int returnVal2 ;
[L483] int compRetStatus ;
[L484] int lcontext = __VERIFIER_nondet_int() ;
[L485] long long __cil_tmp7 ;
VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DevicePowerState=1, Executive=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0]
[L488] COND FALSE !(\read(compRegistered))
VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DevicePowerState=1, Executive=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0]
[L501] int tmp_ndt_6;
[L502] tmp_ndt_6 = __VERIFIER_nondet_int()
[L503] COND FALSE !(tmp_ndt_6 == 0)
[L506] int tmp_ndt_7;
[L507] tmp_ndt_7 = __VERIFIER_nondet_int()
[L508] COND TRUE tmp_ndt_7 == 1
[L517] returnVal2 = -1073741823
VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, __VERIFIER_nondet_int()=1, compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DevicePowerState=1, Executive=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, returnVal2=-1073741823, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, tmp_ndt_6=1, tmp_ndt_7=1, UNLOADED=0]
[L527] COND FALSE !(s == NP)
VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, __VERIFIER_nondet_int()=1, compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DevicePowerState=1, Executive=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, returnVal2=-1073741823, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, tmp_ndt_6=1, tmp_ndt_7=1, UNLOADED=0]
[L531] COND FALSE !(s == MPR1)
VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, __VERIFIER_nondet_int()=1, compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DevicePowerState=1, Executive=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, returnVal2=-1073741823, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, tmp_ndt_6=1, tmp_ndt_7=1, UNLOADED=0]
[L540] COND TRUE s == SKIP1
[L541] s = SKIP2
[L542] lowerDriverReturn = returnVal2
VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, __VERIFIER_nondet_int()=1, compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DevicePowerState=1, Executive=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, returnVal2=-1073741823, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, tmp_ndt_6=1, tmp_ndt_7=1, UNLOADED=0]
[L550] return (returnVal2);
[L246] RET IofCallDriver(devExt__TopOfStack, Irp)
VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, devExt=0, devExt__Removed=1, devExt__TopOfStack=0, DeviceObject=0, DeviceObject__DeviceExtension=0, DevicePowerState=1, event=0, Executive=0, IofCallDriver(devExt__TopOfStack, Irp)=-1073741823, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__Tail__Overlay__CurrentStackLocation=1, irpStack=0, irpStack__MinorFunction=2, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0]
[L247] status = 0
VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, devExt=0, devExt__Removed=1, devExt__TopOfStack=0, DeviceObject=0, DeviceObject__DeviceExtension=0, DevicePowerState=1, event=0, Executive=0, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__Tail__Overlay__CurrentStackLocation=1, irpStack=0, irpStack__MinorFunction=2, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0]
[L289] return (status);
[L387] RET, EXPR KbFilter_PnP(devobj, pirp)
VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=0, Executive=0, IPC=7, irp=0, irp_choice=0, KbFilter_PnP(devobj, pirp)=0, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=3, UNLOADED=0]
[L387] status = KbFilter_PnP(devobj, pirp)
[L411] COND FALSE !(pended == 1)
VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=0, Executive=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=3, UNLOADED=0]
[L419] COND FALSE !(pended == 1)
VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=0, Executive=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=3, UNLOADED=0]
[L427] COND TRUE s != UNLOADED
VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=0, Executive=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=3, UNLOADED=0]
[L428] COND TRUE status != -1
VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=0, Executive=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=3, UNLOADED=0]
[L429] COND FALSE !(s != SKIP2)
VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=0, Executive=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=3, UNLOADED=0]
[L439] COND FALSE !(pended == 1)
VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=0, Executive=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=3, UNLOADED=0]
[L446] COND FALSE !(s == DC)
VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=0, Executive=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=3, UNLOADED=0]
[L451] COND TRUE status != lowerDriverReturn
VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=0, Executive=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=3, UNLOADED=0]
[L452] CALL errorFn()
VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0]
[L1012] __VERIFIER_error()
VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 18 procedures, 175 locations, 1 error locations. Result: UNSAFE, OverallTime: 5.3s, OverallIterations: 16, TraceHistogramMax: 1, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 2761 SDtfs, 1760 SDslu, 5887 SDs, 0 SdLazy, 2077 SolverSat, 471 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 121 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=200occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 15 MinimizatonAttempts, 61 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 608 NumberOfCodeBlocks, 608 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 547 ConstructedInterpolants, 0 QuantifiedInterpolants, 47112 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...