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 SingleStatement --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 19:25:25,636 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 19:25:25,639 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 19:25:25,655 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 19:25:25,655 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 19:25:25,656 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 19:25:25,657 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 19:25:25,660 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 19:25:25,661 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 19:25:25,662 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 19:25:25,663 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 19:25:25,664 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 19:25:25,664 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 19:25:25,665 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 19:25:25,666 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 19:25:25,667 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 19:25:25,668 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 19:25:25,669 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 19:25:25,671 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 19:25:25,673 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 19:25:25,674 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 19:25:25,675 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 19:25:25,677 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 19:25:25,677 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 19:25:25,680 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 19:25:25,680 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 19:25:25,681 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 19:25:25,681 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 19:25:25,682 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 19:25:25,686 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 19:25:25,686 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 19:25:25,687 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 19:25:25,688 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 19:25:25,689 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 19:25:25,690 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 19:25:25,690 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 19:25:25,691 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 19:25:25,691 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 19:25:25,691 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 19:25:25,692 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 19:25:25,693 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 19:25:25,693 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 19:25:25,708 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 19:25:25,708 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 19:25:25,709 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 19:25:25,710 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 19:25:25,710 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 19:25:25,710 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 19:25:25,710 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 19:25:25,711 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 19:25:25,711 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 19:25:25,711 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 19:25:25,711 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 19:25:25,711 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 19:25:25,712 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 19:25:25,712 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 19:25:25,712 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 19:25:25,712 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 19:25:25,712 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 19:25:25,713 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 19:25:25,713 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 19:25:25,713 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 19:25:25,713 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 19:25:25,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 19:25:25,714 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 19:25:25,714 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 19:25:25,714 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 19:25:25,714 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 19:25:25,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 19:25:25,715 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 19:25:25,715 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 -> SingleStatement 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 19:25:25,752 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 19:25:25,769 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 19:25:25,775 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 19:25:25,776 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 19:25:25,777 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 19:25:25,777 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2019-09-20 19:25:25,853 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38c73f4dc/23b039fc0be1423199be1b53d85a7457/FLAG050d38f27 [2019-09-20 19:25:26,335 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 19:25:26,336 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2019-09-20 19:25:26,351 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38c73f4dc/23b039fc0be1423199be1b53d85a7457/FLAG050d38f27 [2019-09-20 19:25:26,700 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38c73f4dc/23b039fc0be1423199be1b53d85a7457 [2019-09-20 19:25:26,710 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 19:25:26,712 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 19:25:26,713 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 19:25:26,713 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 19:25:26,717 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 19:25:26,718 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:25:26" (1/1) ... [2019-09-20 19:25:26,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@642d1bca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:25:26, skipping insertion in model container [2019-09-20 19:25:26,722 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:25:26" (1/1) ... [2019-09-20 19:25:26,729 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 19:25:26,786 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 19:25:27,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:25:27,284 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 19:25:27,361 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:25:27,377 INFO L192 MainTranslator]: Completed translation [2019-09-20 19:25:27,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:25:27 WrapperNode [2019-09-20 19:25:27,378 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 19:25:27,378 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 19:25:27,379 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 19:25:27,379 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 19:25:27,389 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:25:27" (1/1) ... [2019-09-20 19:25:27,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:25:27" (1/1) ... [2019-09-20 19:25:27,398 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:25:27" (1/1) ... [2019-09-20 19:25:27,399 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:25:27" (1/1) ... [2019-09-20 19:25:27,410 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:25:27" (1/1) ... [2019-09-20 19:25:27,419 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:25:27" (1/1) ... [2019-09-20 19:25:27,422 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:25:27" (1/1) ... [2019-09-20 19:25:27,426 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 19:25:27,427 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 19:25:27,427 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 19:25:27,427 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 19:25:27,428 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:25:27" (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 19:25:27,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 19:25:27,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 19:25:27,490 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-09-20 19:25:27,490 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-09-20 19:25:27,491 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2019-09-20 19:25:27,491 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 19:25:27,491 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-09-20 19:25:27,491 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-09-20 19:25:27,491 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-09-20 19:25:27,492 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-09-20 19:25:27,492 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-09-20 19:25:27,492 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2019-09-20 19:25:27,492 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-09-20 19:25:27,492 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 19:25:27,492 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-20 19:25:27,493 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 19:25:27,493 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-20 19:25:27,493 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 19:25:27,493 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2019-09-20 19:25:27,493 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-09-20 19:25:27,494 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-09-20 19:25:27,494 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-09-20 19:25:27,494 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2019-09-20 19:25:27,494 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-09-20 19:25:27,494 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-09-20 19:25:27,494 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-09-20 19:25:27,495 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-09-20 19:25:27,495 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 19:25:27,495 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-09-20 19:25:27,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 19:25:27,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 19:25:27,825 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 19:25:27,981 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2019-09-20 19:25:27,981 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2019-09-20 19:25:27,983 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 19:25:28,066 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume false; [2019-09-20 19:25:28,066 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !false; [2019-09-20 19:25:28,097 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 19:25:28,147 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-09-20 19:25:28,148 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-09-20 19:25:28,177 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 19:25:28,391 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2019-09-20 19:25:28,391 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2019-09-20 19:25:28,400 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 19:25:28,400 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 19:25:28,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:25:28 BoogieIcfgContainer [2019-09-20 19:25:28,402 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 19:25:28,402 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 19:25:28,402 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 19:25:28,403 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 19:25:28,404 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:25:28" (1/1) ... [2019-09-20 19:25:28,405 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 19:25:28,445 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 19:25:28,445 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 19:25:28,468 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 19:25:28,476 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 19:25:28,478 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 19:25:28,665 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 74 for LOIs [2019-09-20 19:25:29,834 WARN L191 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 108 [2019-09-20 19:25:30,246 WARN L191 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-09-20 19:25:31,102 WARN L191 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 108 [2019-09-20 19:25:31,525 WARN L191 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-09-20 19:25:32,355 WARN L191 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 111 [2019-09-20 19:25:32,686 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-20 19:25:33,228 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2019-09-20 19:25:33,409 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2019-09-20 19:25:33,576 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2019-09-20 19:25:33,821 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2019-09-20 19:25:34,401 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 48 [2019-09-20 19:25:34,788 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2019-09-20 19:25:34,931 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-09-20 19:25:35,221 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2019-09-20 19:25:35,356 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-09-20 19:25:35,742 WARN L191 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 54 [2019-09-20 19:25:35,856 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-09-20 19:25:36,242 WARN L191 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2019-09-20 19:25:36,625 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2019-09-20 19:25:36,733 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-20 19:25:37,011 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 46 [2019-09-20 19:25:37,117 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2019-09-20 19:25:37,367 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 47 [2019-09-20 19:25:37,479 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2019-09-20 19:25:37,801 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 49 [2019-09-20 19:25:38,136 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 50 [2019-09-20 19:25:38,506 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 43 [2019-09-20 19:25:38,873 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 43 [2019-09-20 19:25:39,272 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 46 [2019-09-20 19:25:39,586 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 46 [2019-09-20 19:25:39,762 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 42 [2019-09-20 19:25:40,234 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 47 [2019-09-20 19:25:41,143 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2019-09-20 19:25:41,345 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2019-09-20 19:25:41,801 WARN L191 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 58 [2019-09-20 19:25:42,253 WARN L191 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 58 [2019-09-20 19:25:42,691 WARN L191 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 58 [2019-09-20 19:25:43,157 WARN L191 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2019-09-20 19:25:43,348 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 19:25:43,861 WARN L191 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 72 [2019-09-20 19:25:44,769 WARN L191 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 102 [2019-09-20 19:25:45,105 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-20 19:25:45,811 WARN L191 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 111 [2019-09-20 19:25:46,156 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-20 19:25:46,867 WARN L191 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 102 [2019-09-20 19:25:47,190 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-20 19:25:47,989 WARN L191 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2019-09-20 19:25:48,398 WARN L191 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-20 19:25:49,259 WARN L191 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2019-09-20 19:25:49,288 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_PnP with input of size 72 for LOIs [2019-09-20 19:25:50,159 WARN L191 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 107 [2019-09-20 19:25:50,554 WARN L191 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-20 19:25:51,566 WARN L191 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 122 DAG size of output: 109 [2019-09-20 19:25:51,752 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 16 [2019-09-20 19:25:51,871 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 16 [2019-09-20 19:25:52,777 WARN L191 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 107 [2019-09-20 19:25:53,160 WARN L191 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-20 19:25:54,053 WARN L191 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 107 [2019-09-20 19:25:54,432 WARN L191 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-20 19:25:55,310 WARN L191 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 107 [2019-09-20 19:25:55,680 WARN L191 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-20 19:25:56,711 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 133 DAG size of output: 110 [2019-09-20 19:25:57,805 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 133 DAG size of output: 110 [2019-09-20 19:25:58,881 WARN L191 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 133 DAG size of output: 110 [2019-09-20 19:25:59,065 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 16 [2019-09-20 19:26:00,568 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 16 [2019-09-20 19:26:00,690 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 16 [2019-09-20 19:26:00,817 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2019-09-20 19:26:00,944 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 19 [2019-09-20 19:26:01,326 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 19:26:01,456 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 19:26:02,342 WARN L191 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 119 [2019-09-20 19:26:02,747 WARN L191 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-09-20 19:26:03,674 WARN L191 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 119 [2019-09-20 19:26:04,100 WARN L191 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-09-20 19:26:04,998 WARN L191 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 119 [2019-09-20 19:26:05,415 WARN L191 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-09-20 19:26:06,354 WARN L191 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 131 [2019-09-20 19:26:06,814 WARN L191 SmtUtils]: Spent 459.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-20 19:26:07,789 WARN L191 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 133 [2019-09-20 19:26:07,801 INFO L199 IcfgInterpreter]: Interpreting procedure IofCallDriver with input of size 70 for LOIs [2019-09-20 19:26:08,244 WARN L191 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 92 [2019-09-20 19:26:08,429 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-20 19:26:08,892 WARN L191 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2019-09-20 19:26:09,119 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 19:26:09,665 WARN L191 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 108 [2019-09-20 19:26:09,936 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-09-20 19:26:10,273 WARN L191 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-20 19:26:10,307 INFO L199 IcfgInterpreter]: Interpreting procedure stubMoreProcessingRequired with input of size 59 for LOIs [2019-09-20 19:26:10,375 INFO L199 IcfgInterpreter]: Interpreting procedure IofCompleteRequest with input of size 7 for LOIs [2019-09-20 19:26:10,409 INFO L199 IcfgInterpreter]: Interpreting procedure KeWaitForSingleObject with input of size 66 for LOIs [2019-09-20 19:26:10,808 WARN L191 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2019-09-20 19:26:11,004 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-20 19:26:11,075 INFO L199 IcfgInterpreter]: Interpreting procedure errorFn with input of size 4 for LOIs [2019-09-20 19:26:11,078 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 19:26:11,078 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 19:26:11,080 INFO L193 IcfgInterpreter]: Reachable states at location errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1111#(not (= ~s~0 ~NP~0)) [2019-09-20 19:26:11,091 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 19:26:11,091 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 19:26:11,093 INFO L168 Benchmark]: Toolchain (without parser) took 44381.24 ms. Allocated memory was 140.0 MB in the beginning and 522.2 MB in the end (delta: 382.2 MB). Free memory was 86.0 MB in the beginning and 353.7 MB in the end (delta: -267.7 MB). Peak memory consumption was 114.5 MB. Max. memory is 7.1 GB. [2019-09-20 19:26:11,094 INFO L168 Benchmark]: CDTParser took 1.29 ms. Allocated memory is still 140.0 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 19:26:11,095 INFO L168 Benchmark]: CACSL2BoogieTranslator took 664.97 ms. Allocated memory was 140.0 MB in the beginning and 198.7 MB in the end (delta: 58.7 MB). Free memory was 85.7 MB in the beginning and 173.1 MB in the end (delta: -87.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. [2019-09-20 19:26:11,095 INFO L168 Benchmark]: Boogie Preprocessor took 47.96 ms. Allocated memory is still 198.7 MB. Free memory was 173.1 MB in the beginning and 170.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-09-20 19:26:11,096 INFO L168 Benchmark]: RCFGBuilder took 974.98 ms. Allocated memory is still 198.7 MB. Free memory was 170.7 MB in the beginning and 110.9 MB in the end (delta: 59.8 MB). Peak memory consumption was 59.8 MB. Max. memory is 7.1 GB. [2019-09-20 19:26:11,097 INFO L168 Benchmark]: Sifa took 42689.11 ms. Allocated memory was 198.7 MB in the beginning and 522.2 MB in the end (delta: 323.5 MB). Free memory was 110.9 MB in the beginning and 353.7 MB in the end (delta: -242.8 MB). Peak memory consumption was 80.7 MB. Max. memory is 7.1 GB. [2019-09-20 19:26:11,101 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.29 ms. Allocated memory is still 140.0 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 664.97 ms. Allocated memory was 140.0 MB in the beginning and 198.7 MB in the end (delta: 58.7 MB). Free memory was 85.7 MB in the beginning and 173.1 MB in the end (delta: -87.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 47.96 ms. Allocated memory is still 198.7 MB. Free memory was 173.1 MB in the beginning and 170.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 974.98 ms. Allocated memory is still 198.7 MB. Free memory was 170.7 MB in the beginning and 110.9 MB in the end (delta: 59.8 MB). Peak memory consumption was 59.8 MB. Max. memory is 7.1 GB. * Sifa took 42689.11 ms. Allocated memory was 198.7 MB in the beginning and 522.2 MB in the end (delta: 323.5 MB). Free memory was 110.9 MB in the beginning and 353.7 MB in the end (delta: -242.8 MB). Peak memory consumption was 80.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 42636, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 749, DAG_INTERPRETER_EARLY_EXITS: 21, TOOLS_POST_APPLICATIONS: 690, TOOLS_POST_TIME[ms]: 243, TOOLS_POST_CALL_APPLICATIONS: 49, TOOLS_POST_CALL_TIME[ms]: 179, TOOLS_POST_RETURN_APPLICATIONS: 34, TOOLS_POST_RETURN_TIME[ms]: 49, TOOLS_QUANTIFIERELIM_APPLICATIONS: 760, TOOLS_QUANTIFIERELIM_TIME[ms]: 299, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 29, FLUID_QUERY_TIME[ms]: 23, FLUID_QUERIES: 749, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 144, DOMAIN_JOIN_TIME[ms]: 41526, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME[ms]: 0, DOMAIN_ISBOTTOM_APPLICATIONS: 163, DOMAIN_ISBOTTOM_TIME[ms]: 387, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 0, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 34, CALL_SUMMARIZER_CACHE_MISSES: 11, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11535, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11534, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 18, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 82, DAG_COMPRESSION_PROCESSED_NODES: 2890, DAG_COMPRESSION_RETAINED_NODES: 692 - UnprovableResult [Line: 580]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 1111#(not (= ~s~0 ~NP~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...