java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer InterpretCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 21:23:56,034 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 21:23:56,036 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 21:23:56,047 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 21:23:56,048 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 21:23:56,049 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 21:23:56,050 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 21:23:56,052 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 21:23:56,053 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 21:23:56,054 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 21:23:56,055 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 21:23:56,056 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 21:23:56,057 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 21:23:56,058 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 21:23:56,059 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 21:23:56,060 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 21:23:56,060 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 21:23:56,061 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 21:23:56,063 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 21:23:56,065 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 21:23:56,066 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 21:23:56,067 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 21:23:56,069 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 21:23:56,069 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 21:23:56,072 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 21:23:56,072 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 21:23:56,072 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 21:23:56,073 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 21:23:56,073 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 21:23:56,074 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 21:23:56,074 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 21:23:56,077 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 21:23:56,078 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 21:23:56,079 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 21:23:56,080 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 21:23:56,080 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 21:23:56,081 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 21:23:56,081 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 21:23:56,081 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 21:23:56,082 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 21:23:56,083 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 21:23:56,086 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 [2019-09-20 21:23:56,109 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 21:23:56,109 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 21:23:56,111 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 21:23:56,111 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 21:23:56,111 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 21:23:56,111 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 21:23:56,112 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 21:23:56,112 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 21:23:56,112 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 21:23:56,112 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 21:23:56,112 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 21:23:56,113 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 21:23:56,113 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 21:23:56,113 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 21:23:56,113 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 21:23:56,113 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 21:23:56,114 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 21:23:56,114 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 21:23:56,114 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 21:23:56,114 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 21:23:56,114 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 21:23:56,115 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 21:23:56,115 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 21:23:56,115 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 21:23:56,115 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 21:23:56,115 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 21:23:56,116 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 21:23:56,116 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 21:23:56,116 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain 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 -> InterpretCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 21:23:56,174 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 21:23:56,193 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 21:23:56,197 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 21:23:56,198 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 21:23:56,199 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 21:23:56,200 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2019-09-20 21:23:56,270 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e01ba090/f37149fbb3a243c6affeda1d8034a534/FLAG1a2d526f0 [2019-09-20 21:23:56,801 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 21:23:56,802 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2019-09-20 21:23:56,827 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e01ba090/f37149fbb3a243c6affeda1d8034a534/FLAG1a2d526f0 [2019-09-20 21:23:57,177 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e01ba090/f37149fbb3a243c6affeda1d8034a534 [2019-09-20 21:23:57,187 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 21:23:57,188 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 21:23:57,189 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 21:23:57,189 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 21:23:57,193 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 21:23:57,194 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:23:57" (1/1) ... [2019-09-20 21:23:57,196 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6617aec5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:23:57, skipping insertion in model container [2019-09-20 21:23:57,197 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:23:57" (1/1) ... [2019-09-20 21:23:57,205 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 21:23:57,269 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 21:23:57,633 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:23:57,639 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 21:23:57,714 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:23:57,743 INFO L192 MainTranslator]: Completed translation [2019-09-20 21:23:57,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:23:57 WrapperNode [2019-09-20 21:23:57,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 21:23:57,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 21:23:57,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 21:23:57,745 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 21:23:57,758 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:23:57" (1/1) ... [2019-09-20 21:23:57,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:23:57" (1/1) ... [2019-09-20 21:23:57,772 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:23:57" (1/1) ... [2019-09-20 21:23:57,772 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:23:57" (1/1) ... [2019-09-20 21:23:57,803 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:23:57" (1/1) ... [2019-09-20 21:23:57,815 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:23:57" (1/1) ... [2019-09-20 21:23:57,819 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:23:57" (1/1) ... [2019-09-20 21:23:57,829 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 21:23:57,829 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 21:23:57,829 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 21:23:57,830 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 21:23:57,830 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:23:57" (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 [2019-09-20 21:23:57,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 21:23:57,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 21:23:57,903 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-09-20 21:23:57,903 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-09-20 21:23:57,903 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2019-09-20 21:23:57,903 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 21:23:57,904 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-09-20 21:23:57,904 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-09-20 21:23:57,904 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-09-20 21:23:57,904 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-09-20 21:23:57,904 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-09-20 21:23:57,905 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2019-09-20 21:23:57,905 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_CreateClose [2019-09-20 21:23:57,905 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_DispatchPassThrough [2019-09-20 21:23:57,905 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Power [2019-09-20 21:23:57,905 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2019-09-20 21:23:57,905 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_InternIoCtl [2019-09-20 21:23:57,906 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-09-20 21:23:57,906 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 21:23:57,906 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-20 21:23:57,906 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 21:23:57,906 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-20 21:23:57,906 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 21:23:57,907 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2019-09-20 21:23:57,907 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2019-09-20 21:23:57,907 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-09-20 21:23:57,907 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-09-20 21:23:57,907 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-09-20 21:23:57,908 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2019-09-20 21:23:57,908 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_CreateClose [2019-09-20 21:23:57,908 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_DispatchPassThrough [2019-09-20 21:23:57,908 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Power [2019-09-20 21:23:57,908 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_InternIoCtl [2019-09-20 21:23:57,908 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-09-20 21:23:57,909 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-09-20 21:23:57,909 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-09-20 21:23:57,909 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-09-20 21:23:57,909 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 21:23:57,909 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-09-20 21:23:57,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 21:23:57,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 21:23:58,202 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 21:23:58,278 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-09-20 21:23:58,278 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-09-20 21:23:58,319 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 21:23:58,478 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2019-09-20 21:23:58,478 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2019-09-20 21:23:58,480 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 21:23:58,534 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-20 21:23:58,535 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-20 21:23:58,541 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 21:23:58,581 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-20 21:23:58,581 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-20 21:23:58,704 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 21:23:58,752 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-09-20 21:23:58,752 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-09-20 21:23:58,783 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 21:23:58,900 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2019-09-20 21:23:58,900 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2019-09-20 21:23:59,399 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 21:23:59,399 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 21:23:59,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:23:59 BoogieIcfgContainer [2019-09-20 21:23:59,406 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 21:23:59,406 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 21:23:59,406 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 21:23:59,407 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 21:23:59,408 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:23:59" (1/1) ... [2019-09-20 21:23:59,409 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=InterpretCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 21:23:59,442 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 21:23:59,442 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 21:23:59,467 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 21:23:59,477 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 21:23:59,479 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 21:23:59,672 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 78 for LOIs [2019-09-20 21:23:59,900 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 21:24:00,031 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 21:24:00,202 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-20 21:24:00,735 WARN L191 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 108 [2019-09-20 21:24:00,908 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-09-20 21:24:01,286 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2019-09-20 21:24:01,423 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 21:24:01,798 WARN L191 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 98 [2019-09-20 21:24:01,936 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 21:24:02,270 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 98 [2019-09-20 21:24:02,408 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 21:24:02,567 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 21:24:02,739 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 21:24:03,137 WARN L191 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2019-09-20 21:24:03,297 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 21:24:03,627 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2019-09-20 21:24:03,784 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 21:24:04,147 WARN L191 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 98 [2019-09-20 21:24:04,290 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 21:24:04,659 WARN L191 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2019-09-20 21:24:04,815 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 21:24:04,960 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 21:24:05,101 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 21:24:06,118 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 135 DAG size of output: 123 [2019-09-20 21:24:06,578 WARN L191 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-09-20 21:24:06,774 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-20 21:24:06,955 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-20 21:24:07,238 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2019-09-20 21:24:07,361 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 21:24:07,724 WARN L191 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 98 [2019-09-20 21:24:07,885 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 21:24:08,258 WARN L191 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 98 [2019-09-20 21:24:08,396 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 21:24:08,539 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 21:24:08,692 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 21:24:10,034 WARN L191 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 143 DAG size of output: 131 [2019-09-20 21:24:10,294 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 45 [2019-09-20 21:24:10,489 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2019-09-20 21:24:10,778 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-09-20 21:24:10,889 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 21:24:11,660 WARN L191 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 109 [2019-09-20 21:24:11,810 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-20 21:24:11,970 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-20 21:24:12,146 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-20 21:24:12,322 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-20 21:24:12,546 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-20 21:24:12,843 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2019-09-20 21:24:13,051 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-09-20 21:24:13,271 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2019-09-20 21:24:13,534 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-09-20 21:24:14,385 WARN L191 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 109 [2019-09-20 21:24:14,557 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-20 21:24:14,727 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-20 21:24:14,887 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-20 21:24:15,101 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2019-09-20 21:24:17,197 WARN L191 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2019-09-20 21:24:18,097 WARN L191 SmtUtils]: Spent 898.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-09-20 21:24:18,418 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 1 [2019-09-20 21:24:20,968 WARN L191 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2019-09-20 21:24:21,268 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 47 [2019-09-20 21:24:23,105 WARN L191 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 175 DAG size of output: 175 [2019-09-20 21:24:23,971 WARN L191 SmtUtils]: Spent 865.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-09-20 21:24:25,789 WARN L191 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 175 DAG size of output: 175 [2019-09-20 21:24:26,652 WARN L191 SmtUtils]: Spent 861.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-09-20 21:24:29,038 WARN L191 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 176 DAG size of output: 175 [2019-09-20 21:24:29,267 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-09-20 21:24:31,702 WARN L191 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 176 DAG size of output: 175 [2019-09-20 21:24:31,948 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-09-20 21:24:32,065 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 45 [2019-09-20 21:24:32,207 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 45 [2019-09-20 21:24:32,357 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 45 [2019-09-20 21:24:32,500 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 45 [2019-09-20 21:24:32,652 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-09-20 21:24:32,892 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 48 [2019-09-20 21:24:33,334 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2019-09-20 21:24:33,446 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-20 21:24:33,758 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2019-09-20 21:24:33,872 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-20 21:24:34,170 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2019-09-20 21:24:34,282 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-20 21:24:34,400 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-20 21:24:34,516 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-20 21:24:34,735 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-20 21:24:34,953 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 51 [2019-09-20 21:24:35,492 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2019-09-20 21:24:35,638 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 21:24:35,784 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 21:24:35,927 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 21:24:37,323 WARN L191 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 169 DAG size of output: 161 [2019-09-20 21:24:37,922 WARN L191 SmtUtils]: Spent 598.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-09-20 21:24:39,249 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 169 DAG size of output: 161 [2019-09-20 21:24:39,856 WARN L191 SmtUtils]: Spent 606.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-09-20 21:24:40,184 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2019-09-20 21:24:40,330 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-20 21:24:40,472 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 1 [2019-09-20 21:24:40,761 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2019-09-20 21:24:40,902 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 98