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 TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/loop-invgen/id_build.i.p+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 15:37:46,398 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 15:37:46,400 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 15:37:46,421 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 15:37:46,421 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 15:37:46,423 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 15:37:46,425 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 15:37:46,439 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 15:37:46,440 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 15:37:46,441 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 15:37:46,442 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 15:37:46,445 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 15:37:46,445 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 15:37:46,449 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 15:37:46,451 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 15:37:46,453 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 15:37:46,454 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 15:37:46,457 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 15:37:46,459 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 15:37:46,464 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 15:37:46,465 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 15:37:46,466 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 15:37:46,467 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 15:37:46,468 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 15:37:46,470 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 15:37:46,470 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 15:37:46,471 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 15:37:46,471 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 15:37:46,472 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 15:37:46,474 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 15:37:46,474 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 15:37:46,476 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 15:37:46,477 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 15:37:46,478 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 15:37:46,481 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 15:37:46,481 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 15:37:46,482 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 15:37:46,482 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 15:37:46,482 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 15:37:46,484 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 15:37:46,485 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 15:37:46,486 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 [2019-09-25 15:37:46,508 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 15:37:46,508 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 15:37:46,512 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 15:37:46,512 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 15:37:46,512 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 15:37:46,513 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 15:37:46,513 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 15:37:46,513 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 15:37:46,513 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 15:37:46,513 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 15:37:46,515 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 15:37:46,515 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 15:37:46,515 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 15:37:46,515 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 15:37:46,516 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 15:37:46,516 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 15:37:46,516 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 15:37:46,516 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 15:37:46,516 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 15:37:46,517 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 15:37:46,517 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 15:37:46,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 15:37:46,518 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 15:37:46,518 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 15:37:46,519 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 15:37:46,519 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 15:37:46,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 15:37:46,519 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 15:37:46,520 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 -> 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: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-25 15:37:46,569 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 15:37:46,584 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 15:37:46,589 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 15:37:46,596 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 15:37:46,596 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 15:37:46,599 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/id_build.i.p+nlh-reducer.c [2019-09-25 15:37:46,668 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7018c85a1/87a2e996951648419b515360e57ef2b9/FLAG731db27cf [2019-09-25 15:37:47,156 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 15:37:47,160 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/id_build.i.p+nlh-reducer.c [2019-09-25 15:37:47,187 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7018c85a1/87a2e996951648419b515360e57ef2b9/FLAG731db27cf [2019-09-25 15:37:47,504 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7018c85a1/87a2e996951648419b515360e57ef2b9 [2019-09-25 15:37:47,513 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 15:37:47,515 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 15:37:47,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 15:37:47,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 15:37:47,520 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 15:37:47,521 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:37:47" (1/1) ... [2019-09-25 15:37:47,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26214cfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:37:47, skipping insertion in model container [2019-09-25 15:37:47,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:37:47" (1/1) ... [2019-09-25 15:37:47,531 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 15:37:47,612 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 15:37:48,272 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 15:37:48,279 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 15:37:48,550 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 15:37:48,566 INFO L192 MainTranslator]: Completed translation [2019-09-25 15:37:48,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:37:48 WrapperNode [2019-09-25 15:37:48,567 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 15:37:48,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 15:37:48,569 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 15:37:48,569 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 15:37:48,585 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:37:48" (1/1) ... [2019-09-25 15:37:48,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:37:48" (1/1) ... [2019-09-25 15:37:48,621 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:37:48" (1/1) ... [2019-09-25 15:37:48,622 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:37:48" (1/1) ... [2019-09-25 15:37:48,656 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:37:48" (1/1) ... [2019-09-25 15:37:48,677 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:37:48" (1/1) ... [2019-09-25 15:37:48,684 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:37:48" (1/1) ... [2019-09-25 15:37:48,697 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 15:37:48,698 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 15:37:48,699 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 15:37:48,699 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 15:37:48,700 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:37:48" (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 [2019-09-25 15:37:48,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 15:37:48,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 15:37:48,798 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 15:37:48,799 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 15:37:48,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-25 15:37:48,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-25 15:37:48,801 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 15:37:48,801 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 15:37:48,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 15:37:48,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 15:37:50,380 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 15:37:50,380 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-25 15:37:50,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:37:50 BoogieIcfgContainer [2019-09-25 15:37:50,383 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 15:37:50,384 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 15:37:50,384 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 15:37:50,385 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 15:37:50,387 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:37:50" (1/1) ... [2019-09-25 15:37:50,388 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 15:37:50,438 INFO L162 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-09-25 15:37:50,439 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 15:37:50,469 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 15:37:50,480 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 15:37:50,485 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 15:37:50,604 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 8 for LOIs [2019-09-25 15:37:51,923 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:51,971 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:52,011 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:52,039 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:52,060 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:52,187 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:52,295 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:52,345 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:52,356 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:52,367 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:52,387 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:52,406 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:52,428 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:52,442 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:52,457 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:52,473 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:52,488 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:52,515 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:52,529 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:52,542 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:52,558 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:52,574 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:52,595 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:52,606 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:52,616 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:52,635 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:52,649 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:52,664 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:52,674 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:52,693 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:52,703 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:52,722 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:52,731 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:52,759 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:52,769 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:52,781 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:52,833 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:52,842 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:52,850 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:52,912 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:52,922 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:52,965 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:52,974 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,023 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,033 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,041 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,078 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,084 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,141 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,144 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,153 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,198 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,205 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,212 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,249 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,256 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,333 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,336 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,344 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,386 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,393 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,403 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,434 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,441 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,486 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,490 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,498 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,538 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,545 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,576 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,583 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,596 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,609 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,622 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,654 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,663 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,671 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,680 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,687 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,699 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,712 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,726 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,731 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,739 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,747 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,756 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,764 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,798 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,805 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,831 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,838 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,850 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,861 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,873 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,895 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,906 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,926 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,940 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,946 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,954 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,960 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,968 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,978 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:53,992 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:54,019 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:54,026 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:54,036 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:54,047 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:54,058 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:54,084 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:54,091 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:54,098 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:54,111 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:54,117 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:54,128 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:54,143 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:54,157 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:54,163 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:54,172 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:54,187 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:54,196 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:54,202 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:54,263 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:54,269 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:54,293 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:54,308 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:54,319 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:54,330 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:54,341 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:54,361 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:54,369 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:54,377 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:54,385 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:54,392 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:54,399 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:54,406 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:54,419 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:54,437 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 15:37:54,438 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 15:37:54,440 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 2739#(and (= main_~__VERIFIER_assert__cond~135 0) (= main_~__VERIFIER_assert__cond~135 main_~__tmp_136~0) (= main_~__tmp_136~0 (ite (< 0 (+ main_~main__i~0 1)) 1 0))) [2019-09-25 15:37:54,441 INFO L193 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 2440#(and (= main_~__VERIFIER_assert__cond~136 main_~__tmp_137~0) (= main_~__VERIFIER_assert__cond~136 0) (< main_~main__j~0 8) (= (ite (<= (+ main_~main__i~0 1) main_~main__nlen~0) 1 0) main_~__tmp_137~0)) [2019-09-25 15:37:54,470 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 15:37:54,471 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 15:37:54,475 INFO L168 Benchmark]: Toolchain (without parser) took 6958.01 ms. Allocated memory was 131.1 MB in the beginning and 467.7 MB in the end (delta: 336.6 MB). Free memory was 84.6 MB in the beginning and 145.3 MB in the end (delta: -60.7 MB). Peak memory consumption was 275.9 MB. Max. memory is 7.1 GB. [2019-09-25 15:37:54,476 INFO L168 Benchmark]: CDTParser took 1.93 ms. Allocated memory is still 131.1 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 15:37:54,478 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1052.12 ms. Allocated memory was 131.1 MB in the beginning and 197.1 MB in the end (delta: 66.1 MB). Free memory was 84.4 MB in the beginning and 153.9 MB in the end (delta: -69.5 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. [2019-09-25 15:37:54,479 INFO L168 Benchmark]: Boogie Preprocessor took 128.98 ms. Allocated memory is still 197.1 MB. Free memory was 153.9 MB in the beginning and 149.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-09-25 15:37:54,481 INFO L168 Benchmark]: RCFGBuilder took 1685.74 ms. Allocated memory was 197.1 MB in the beginning and 218.1 MB in the end (delta: 21.0 MB). Free memory was 149.1 MB in the beginning and 126.5 MB in the end (delta: 22.6 MB). Peak memory consumption was 86.4 MB. Max. memory is 7.1 GB. [2019-09-25 15:37:54,487 INFO L168 Benchmark]: Sifa took 4086.67 ms. Allocated memory was 218.1 MB in the beginning and 467.7 MB in the end (delta: 249.6 MB). Free memory was 126.5 MB in the beginning and 145.3 MB in the end (delta: -18.8 MB). Peak memory consumption was 230.8 MB. Max. memory is 7.1 GB. [2019-09-25 15:37:54,499 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.93 ms. Allocated memory is still 131.1 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1052.12 ms. Allocated memory was 131.1 MB in the beginning and 197.1 MB in the end (delta: 66.1 MB). Free memory was 84.4 MB in the beginning and 153.9 MB in the end (delta: -69.5 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 128.98 ms. Allocated memory is still 197.1 MB. Free memory was 153.9 MB in the beginning and 149.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1685.74 ms. Allocated memory was 197.1 MB in the beginning and 218.1 MB in the end (delta: 21.0 MB). Free memory was 149.1 MB in the beginning and 126.5 MB in the end (delta: 22.6 MB). Peak memory consumption was 86.4 MB. Max. memory is 7.1 GB. * Sifa took 4086.67 ms. Allocated memory was 218.1 MB in the beginning and 467.7 MB in the end (delta: 249.6 MB). Free memory was 126.5 MB in the beginning and 145.3 MB in the end (delta: -18.8 MB). Peak memory consumption was 230.8 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]: 4003, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 1348, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 1330, TOOLS_POST_TIME[ms]: 557, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 21, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 1, TOOLS_QUANTIFIERELIM_APPLICATIONS: 1333, TOOLS_QUANTIFIERELIM_TIME[ms]: 358, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 14, FLUID_QUERY_TIME[ms]: 30, FLUID_QUERIES: 1374, FLUID_YES_ANSWERS: 126, DOMAIN_JOIN_APPLICATIONS: 220, DOMAIN_JOIN_TIME[ms]: 978, DOMAIN_ALPHA_APPLICATIONS: 126, DOMAIN_ALPHA_TIME[ms]: 618, DOMAIN_WIDEN_APPLICATIONS: 10, DOMAIN_WIDEN_TIME[ms]: 40, DOMAIN_ISSUBSETEQ_APPLICATIONS: 26, DOMAIN_ISSUBSETEQ_TIME[ms]: 43, DOMAIN_ISBOTTOM_APPLICATIONS: 132, DOMAIN_ISBOTTOM_TIME[ms]: 247, LOOP_SUMMARIZER_APPLICATIONS: 16, LOOP_SUMMARIZER_CACHE_MISSES: 16, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 320, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 319, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 26, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 55, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 54, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 38, REGEX_TO_DAG_TIME[ms]: 17, DAG_COMPRESSION_TIME[ms]: 1188, DAG_COMPRESSION_PROCESSED_NODES: 62628, DAG_COMPRESSION_RETAINED_NODES: 19416 - UnprovableResult [Line: 1758]: 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 2739#(and (= main_~__VERIFIER_assert__cond~135 0) (= main_~__VERIFIER_assert__cond~135 main_~__tmp_136~0) (= main_~__tmp_136~0 (ite (< 0 (+ main_~main__i~0 1)) 1 0))). Possible FailurePath: - UnprovableResult [Line: 1775]: 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 2440#(and (= main_~__VERIFIER_assert__cond~136 main_~__tmp_137~0) (= main_~__VERIFIER_assert__cond~136 0) (< main_~main__j~0 8) (= (ite (<= (+ main_~main__i~0 1) main_~main__nlen~0) 1 0) main_~__tmp_137~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...