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 IntervalDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 16:27:05,261 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 16:27:05,263 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 16:27:05,274 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 16:27:05,274 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 16:27:05,275 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 16:27:05,276 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 16:27:05,278 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 16:27:05,280 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 16:27:05,280 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 16:27:05,281 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 16:27:05,282 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 16:27:05,283 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 16:27:05,283 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 16:27:05,284 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 16:27:05,285 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 16:27:05,286 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 16:27:05,287 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 16:27:05,288 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 16:27:05,290 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 16:27:05,291 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 16:27:05,292 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 16:27:05,293 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 16:27:05,294 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 16:27:05,296 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 16:27:05,296 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 16:27:05,296 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 16:27:05,297 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 16:27:05,297 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 16:27:05,298 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 16:27:05,298 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 16:27:05,299 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 16:27:05,300 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 16:27:05,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 16:27:05,301 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 16:27:05,301 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 16:27:05,302 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 16:27:05,302 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 16:27:05,302 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 16:27:05,303 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 16:27:05,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 16:27:05,305 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 16:27:05,318 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 16:27:05,318 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 16:27:05,319 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 16:27:05,320 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 16:27:05,320 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 16:27:05,320 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 16:27:05,320 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 16:27:05,320 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 16:27:05,321 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 16:27:05,321 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 16:27:05,321 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 16:27:05,321 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 16:27:05,321 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 16:27:05,321 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 16:27:05,322 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 16:27:05,322 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 16:27:05,322 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 16:27:05,322 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 16:27:05,322 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 16:27:05,323 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 16:27:05,323 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 16:27:05,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 16:27:05,323 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 16:27:05,323 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 16:27:05,324 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 16:27:05,324 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 16:27:05,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 16:27:05,324 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 16:27:05,324 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 16:27:05,354 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 16:27:05,366 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 16:27:05,369 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 16:27:05,370 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 16:27:05,371 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 16:27:05,371 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+lhb-reducer.c [2019-09-20 16:27:05,426 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b16733a6/6e5b91c36c4e42f398bead95c35bd1bf/FLAG104f5632b [2019-09-20 16:27:05,887 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 16:27:05,888 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+lhb-reducer.c [2019-09-20 16:27:05,896 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b16733a6/6e5b91c36c4e42f398bead95c35bd1bf/FLAG104f5632b [2019-09-20 16:27:06,250 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b16733a6/6e5b91c36c4e42f398bead95c35bd1bf [2019-09-20 16:27:06,259 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 16:27:06,261 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 16:27:06,262 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 16:27:06,262 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 16:27:06,265 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 16:27:06,266 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:27:06" (1/1) ... [2019-09-20 16:27:06,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18ed1223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:06, skipping insertion in model container [2019-09-20 16:27:06,269 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:27:06" (1/1) ... [2019-09-20 16:27:06,277 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 16:27:06,301 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 16:27:06,505 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:27:06,510 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 16:27:06,534 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:27:06,549 INFO L192 MainTranslator]: Completed translation [2019-09-20 16:27:06,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:06 WrapperNode [2019-09-20 16:27:06,550 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 16:27:06,550 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 16:27:06,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 16:27:06,551 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 16:27:06,649 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:06" (1/1) ... [2019-09-20 16:27:06,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:06" (1/1) ... [2019-09-20 16:27:06,654 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:06" (1/1) ... [2019-09-20 16:27:06,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:06" (1/1) ... [2019-09-20 16:27:06,660 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:06" (1/1) ... [2019-09-20 16:27:06,663 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:06" (1/1) ... [2019-09-20 16:27:06,665 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:06" (1/1) ... [2019-09-20 16:27:06,667 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 16:27:06,667 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 16:27:06,668 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 16:27:06,668 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 16:27:06,669 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:06" (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 16:27:06,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 16:27:06,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 16:27:06,721 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 16:27:06,721 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 16:27:06,721 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 16:27:06,721 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 16:27:06,722 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 16:27:06,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 16:27:06,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 16:27:07,023 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 16:27:07,024 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 16:27:07,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:27:07 BoogieIcfgContainer [2019-09-20 16:27:07,025 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 16:27:07,026 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 16:27:07,026 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 16:27:07,026 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 16:27:07,027 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:27:07" (1/1) ... [2019-09-20 16:27:07,028 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ 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 16:27:07,051 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 16:27:07,052 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 16:27:07,060 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 16:27:07,070 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 16:27:07,071 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 16:27:07,264 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 45 for LOIs [2019-09-20 16:27:07,380 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 16:27:07,794 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 16:27:07,999 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 16:27:08,213 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 16:27:08,385 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-09-20 16:27:08,525 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-09-20 16:27:08,678 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-20 16:27:08,866 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-20 16:27:09,008 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-20 16:27:09,135 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-20 16:27:09,272 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-20 16:27:09,410 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-20 16:27:09,575 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 16:27:09,729 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 16:27:10,126 WARN L191 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-20 16:27:10,496 WARN L191 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 16:27:10,632 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 16:27:10,772 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 16:27:10,797 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 16:27:10,995 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-20 16:27:11,160 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-20 16:27:11,285 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-20 16:27:11,670 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-20 16:27:11,809 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-20 16:27:12,021 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-20 16:27:12,163 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-20 16:27:12,603 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 16:27:12,854 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-20 16:27:13,054 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 16:27:13,385 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-20 16:27:13,589 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-20 16:27:13,699 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-20 16:27:13,921 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-20 16:27:14,032 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-20 16:27:14,341 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-09-20 16:27:14,451 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-09-20 16:27:14,452 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 16:27:14,452 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 16:27:14,455 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 241#(and (<= main_~main____CPAchecker_TMP_0~1 0) (<= 0 ~__return_121~0) (<= 0 (+ main_~main____CPAchecker_TMP_0~0 2147483648)) (<= |old(~__return_121~0)| 0) (<= 0 ~__return_main~0) (<= |old(~__tmp_91_1~0)| 0) (<= 0 |old(~__tmp_112_0~0)|) (<= ~__return_main~0 0) (<= 0 main_~main____CPAchecker_TMP_0~1) (<= main_~main__y~0 0) (<= |old(~__tmp_88_0~0)| 0) (<= |old(~__tmp_88_1~0)| 0) (<= |old(~__tmp_94_0~0)| 0) (<= |old(~__tmp_93_0~0)| 0) (<= 0 |old(~__tmp_91_0~0)|) (<= 0 main_~__VERIFIER_assert__cond~0) (<= 0 |old(~__tmp_88_1~0)|) (<= 0 main_~__tmp_1~0) (<= 0 |old(~__tmp_88_0~0)|) (<= 0 |old(~__tmp_93_0~0)|) (<= main_~main____CPAchecker_TMP_0~0 2147483647) (<= 0 |old(~__tmp_91_1~0)|) (<= 0 |old(~__tmp_94_0~0)|) (<= ~__tmp_94_0~0 2147483647) (<= |old(~__tmp_112_0~0)| 0) (<= main_~__VERIFIER_assert__cond~0 0) (<= 0 |old(~__return_121~0)|) (<= ~__return_121~0 0) (<= 0 main_~main__y~0) (<= 0 ~__tmp_91_1~0) (<= main_~__tmp_1~0 1) (<= |old(~__tmp_91_0~0)| 0) (<= ~__tmp_91_1~0 0) (<= 0 (+ ~__tmp_94_0~0 2147483648))) [2019-09-20 16:27:14,465 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 16:27:14,465 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 16:27:14,467 INFO L168 Benchmark]: Toolchain (without parser) took 8206.22 ms. Allocated memory was 131.1 MB in the beginning and 373.3 MB in the end (delta: 242.2 MB). Free memory was 86.8 MB in the beginning and 330.7 MB in the end (delta: -243.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 16:27:14,468 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 131.1 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 16:27:14,469 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.49 ms. Allocated memory is still 131.1 MB. Free memory was 86.6 MB in the beginning and 76.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2019-09-20 16:27:14,470 INFO L168 Benchmark]: Boogie Preprocessor took 116.75 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 76.0 MB in the beginning and 175.4 MB in the end (delta: -99.4 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-09-20 16:27:14,470 INFO L168 Benchmark]: RCFGBuilder took 357.84 ms. Allocated memory is still 198.7 MB. Free memory was 175.4 MB in the beginning and 157.9 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 7.1 GB. [2019-09-20 16:27:14,471 INFO L168 Benchmark]: Sifa took 7439.97 ms. Allocated memory was 198.7 MB in the beginning and 373.3 MB in the end (delta: 174.6 MB). Free memory was 157.9 MB in the beginning and 330.7 MB in the end (delta: -172.9 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-09-20 16:27:14,475 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 131.1 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 288.49 ms. Allocated memory is still 131.1 MB. Free memory was 86.6 MB in the beginning and 76.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.75 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 76.0 MB in the beginning and 175.4 MB in the end (delta: -99.4 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 357.84 ms. Allocated memory is still 198.7 MB. Free memory was 175.4 MB in the beginning and 157.9 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 7.1 GB. * Sifa took 7439.97 ms. Allocated memory was 198.7 MB in the beginning and 373.3 MB in the end (delta: 174.6 MB). Free memory was 157.9 MB in the beginning and 330.7 MB in the end (delta: -172.9 MB). Peak memory consumption was 1.7 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]: 7403, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 193, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 178, TOOLS_POST_TIME[ms]: 266, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 33, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 4, TOOLS_QUANTIFIERELIM_APPLICATIONS: 181, TOOLS_QUANTIFIERELIM_TIME[ms]: 215, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 15, FLUID_QUERY_TIME[ms]: 14, FLUID_QUERIES: 216, FLUID_YES_ANSWERS: 7, DOMAIN_JOIN_APPLICATIONS: 41, DOMAIN_JOIN_TIME[ms]: 5661, DOMAIN_ALPHA_APPLICATIONS: 7, DOMAIN_ALPHA_TIME[ms]: 1168, DOMAIN_WIDEN_APPLICATIONS: 10, DOMAIN_WIDEN_TIME[ms]: 32, DOMAIN_ISSUBSETEQ_APPLICATIONS: 23, DOMAIN_ISSUBSETEQ_TIME[ms]: 40, DOMAIN_ISBOTTOM_APPLICATIONS: 16, DOMAIN_ISBOTTOM_TIME[ms]: 73, LOOP_SUMMARIZER_APPLICATIONS: 13, LOOP_SUMMARIZER_CACHE_MISSES: 13, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 6637, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 6636, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 23, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 125, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 124, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 37, DAG_COMPRESSION_PROCESSED_NODES: 269, DAG_COMPRESSION_RETAINED_NODES: 111 - UnprovableResult [Line: 97]: 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 241#(and (<= main_~main____CPAchecker_TMP_0~1 0) (<= 0 ~__return_121~0) (<= 0 (+ main_~main____CPAchecker_TMP_0~0 2147483648)) (<= |old(~__return_121~0)| 0) (<= 0 ~__return_main~0) (<= |old(~__tmp_91_1~0)| 0) (<= 0 |old(~__tmp_112_0~0)|) (<= ~__return_main~0 0) (<= 0 main_~main____CPAchecker_TMP_0~1) (<= main_~main__y~0 0) (<= |old(~__tmp_88_0~0)| 0) (<= |old(~__tmp_88_1~0)| 0) (<= |old(~__tmp_94_0~0)| 0) (<= |old(~__tmp_93_0~0)| 0) (<= 0 |old(~__tmp_91_0~0)|) (<= 0 main_~__VERIFIER_assert__cond~0) (<= 0 |old(~__tmp_88_1~0)|) (<= 0 main_~__tmp_1~0) (<= 0 |old(~__tmp_88_0~0)|) (<= 0 |old(~__tmp_93_0~0)|) (<= main_~main____CPAchecker_TMP_0~0 2147483647) (<= 0 |old(~__tmp_91_1~0)|) (<= 0 |old(~__tmp_94_0~0)|) (<= ~__tmp_94_0~0 2147483647) (<= |old(~__tmp_112_0~0)| 0) (<= main_~__VERIFIER_assert__cond~0 0) (<= 0 |old(~__return_121~0)|) (<= ~__return_121~0 0) (<= 0 main_~main__y~0) (<= 0 ~__tmp_91_1~0) (<= main_~__tmp_1~0 1) (<= |old(~__tmp_91_0~0)| 0) (<= ~__tmp_91_1~0 0) (<= 0 (+ ~__tmp_94_0~0 2147483648))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...