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 CompoundDomain --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-acceleration/simple_3-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 15:21:13,562 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 15:21:13,565 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 15:21:13,584 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 15:21:13,585 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 15:21:13,587 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 15:21:13,589 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 15:21:13,603 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 15:21:13,604 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 15:21:13,605 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 15:21:13,607 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 15:21:13,610 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 15:21:13,610 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 15:21:13,614 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 15:21:13,616 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 15:21:13,619 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 15:21:13,620 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 15:21:13,624 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 15:21:13,626 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 15:21:13,631 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 15:21:13,635 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 15:21:13,636 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 15:21:13,639 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 15:21:13,640 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 15:21:13,642 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-17 15:21:13,647 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 15:21:13,649 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 15:21:13,650 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 15:21:13,651 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 15:21:13,653 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 15:21:13,653 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 15:21:13,654 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 15:21:13,654 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 15:21:13,654 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 15:21:13,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 15:21:13,659 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 15:21:13,660 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 [2019-09-17 15:21:13,684 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 15:21:13,684 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 15:21:13,686 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 15:21:13,686 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 15:21:13,686 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 15:21:13,687 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 15:21:13,687 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 15:21:13,687 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 15:21:13,687 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 15:21:13,687 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 15:21:13,688 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 15:21:13,689 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 15:21:13,689 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 15:21:13,689 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 15:21:13,690 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 15:21:13,690 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 15:21:13,690 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 15:21:13,690 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 15:21:13,690 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 15:21:13,690 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 15:21:13,691 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 15:21:13,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 15:21:13,691 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 15:21:13,691 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 15:21:13,692 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 15:21:13,692 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 15:21:13,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 15:21:13,692 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 15:21:13,692 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-17 15:21:13,738 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 15:21:13,750 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 15:21:13,755 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 15:21:13,758 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 15:21:13,758 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 15:21:13,759 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/simple_3-2.c [2019-09-17 15:21:13,833 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcf56a460/8896dabade754ee791e05337b938f5d0/FLAGb5d011d3f [2019-09-17 15:21:14,280 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 15:21:14,281 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/simple_3-2.c [2019-09-17 15:21:14,288 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcf56a460/8896dabade754ee791e05337b938f5d0/FLAGb5d011d3f [2019-09-17 15:21:14,642 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcf56a460/8896dabade754ee791e05337b938f5d0 [2019-09-17 15:21:14,652 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 15:21:14,653 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 15:21:14,654 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 15:21:14,655 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 15:21:14,658 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 15:21:14,659 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 03:21:14" (1/1) ... [2019-09-17 15:21:14,661 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fa12236 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:21:14, skipping insertion in model container [2019-09-17 15:21:14,662 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 03:21:14" (1/1) ... [2019-09-17 15:21:14,668 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 15:21:14,682 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 15:21:14,847 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 15:21:14,852 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 15:21:14,867 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 15:21:14,883 INFO L192 MainTranslator]: Completed translation [2019-09-17 15:21:14,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:21:14 WrapperNode [2019-09-17 15:21:14,883 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 15:21:14,884 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 15:21:14,884 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 15:21:14,884 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 15:21:14,987 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:21:14" (1/1) ... [2019-09-17 15:21:14,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:21:14" (1/1) ... [2019-09-17 15:21:14,993 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:21:14" (1/1) ... [2019-09-17 15:21:14,994 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:21:14" (1/1) ... [2019-09-17 15:21:14,997 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:21:14" (1/1) ... [2019-09-17 15:21:15,002 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:21:14" (1/1) ... [2019-09-17 15:21:15,003 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:21:14" (1/1) ... [2019-09-17 15:21:15,005 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 15:21:15,005 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 15:21:15,005 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 15:21:15,005 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 15:21:15,006 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:21:14" (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 [2019-09-17 15:21:15,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 15:21:15,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 15:21:15,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-17 15:21:15,053 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 15:21:15,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 15:21:15,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-09-17 15:21:15,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-17 15:21:15,054 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 15:21:15,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 15:21:15,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 15:21:15,206 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 15:21:15,206 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-17 15:21:15,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 03:21:15 BoogieIcfgContainer [2019-09-17 15:21:15,208 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 15:21:15,208 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 15:21:15,209 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 15:21:15,209 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 15:21:15,210 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 03:21:15" (1/1) ... [2019-09-17 15:21:15,211 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ 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 [2019-09-17 15:21:15,242 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 15:21:15,243 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 15:21:15,251 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 15:21:15,262 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 15:21:15,264 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 15:21:15,340 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-17 15:21:16,673 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 39 [2019-09-17 15:21:16,928 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 37 [2019-09-17 15:21:17,129 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2019-09-17 15:21:17,537 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2019-09-17 15:21:17,648 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2019-09-17 15:21:17,943 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 44 [2019-09-17 15:21:18,142 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2019-09-17 15:21:18,271 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2019-09-17 15:21:18,596 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 46 [2019-09-17 15:21:18,778 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 48 [2019-09-17 15:21:18,985 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2019-09-17 15:21:19,133 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2019-09-17 15:21:19,303 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2019-09-17 15:21:19,550 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 59 [2019-09-17 15:21:19,652 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-17 15:21:19,874 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 59 [2019-09-17 15:21:20,102 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-09-17 15:21:20,387 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2019-09-17 15:21:20,757 WARN L191 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 70 [2019-09-17 15:21:20,918 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-17 15:21:21,196 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 65 [2019-09-17 15:21:21,455 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 64 [2019-09-17 15:21:21,738 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2019-09-17 15:21:22,163 WARN L191 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 75 [2019-09-17 15:21:22,321 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-17 15:21:22,636 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 73 [2019-09-17 15:21:22,898 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2019-09-17 15:21:23,027 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-17 15:21:23,214 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 70 [2019-09-17 15:21:23,690 WARN L191 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 83 [2019-09-17 15:21:24,119 WARN L191 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-17 15:21:24,495 WARN L191 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 81 [2019-09-17 15:21:24,934 WARN L191 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2019-09-17 15:21:25,055 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-17 15:21:25,319 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 [2019-09-17 15:21:25,640 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 80 [2019-09-17 15:21:25,762 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-17 15:21:26,076 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2019-09-17 15:21:26,390 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 80 [2019-09-17 15:21:26,515 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-17 15:21:26,789 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2019-09-17 15:21:27,107 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 81 [2019-09-17 15:21:27,235 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-17 15:21:27,544 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2019-09-17 15:21:27,832 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-17 15:21:27,976 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-17 15:21:28,250 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2019-09-17 15:21:28,745 WARN L191 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 91 [2019-09-17 15:21:28,807 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-17 15:21:28,836 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 15:21:28,836 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 15:21:28,838 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 154#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-17 15:21:28,854 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 15:21:28,854 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 15:21:28,856 INFO L168 Benchmark]: Toolchain (without parser) took 14202.19 ms. Allocated memory was 132.1 MB in the beginning and 318.2 MB in the end (delta: 186.1 MB). Free memory was 88.3 MB in the beginning and 224.1 MB in the end (delta: -135.9 MB). Peak memory consumption was 50.3 MB. Max. memory is 7.1 GB. [2019-09-17 15:21:28,857 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 132.1 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 15:21:28,857 INFO L168 Benchmark]: CACSL2BoogieTranslator took 229.37 ms. Allocated memory is still 132.1 MB. Free memory was 88.1 MB in the beginning and 78.9 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-09-17 15:21:28,858 INFO L168 Benchmark]: Boogie Preprocessor took 120.75 ms. Allocated memory was 132.1 MB in the beginning and 199.8 MB in the end (delta: 67.6 MB). Free memory was 78.9 MB in the beginning and 176.7 MB in the end (delta: -97.8 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-09-17 15:21:28,859 INFO L168 Benchmark]: RCFGBuilder took 202.83 ms. Allocated memory is still 199.8 MB. Free memory was 176.7 MB in the beginning and 165.7 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2019-09-17 15:21:28,860 INFO L168 Benchmark]: Sifa took 13645.50 ms. Allocated memory was 199.8 MB in the beginning and 318.2 MB in the end (delta: 118.5 MB). Free memory was 165.7 MB in the beginning and 224.1 MB in the end (delta: -58.5 MB). Peak memory consumption was 60.0 MB. Max. memory is 7.1 GB. [2019-09-17 15:21:28,864 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 132.1 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 229.37 ms. Allocated memory is still 132.1 MB. Free memory was 88.1 MB in the beginning and 78.9 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.75 ms. Allocated memory was 132.1 MB in the beginning and 199.8 MB in the end (delta: 67.6 MB). Free memory was 78.9 MB in the beginning and 176.7 MB in the end (delta: -97.8 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 202.83 ms. Allocated memory is still 199.8 MB. Free memory was 176.7 MB in the beginning and 165.7 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * Sifa took 13645.50 ms. Allocated memory was 199.8 MB in the beginning and 318.2 MB in the end (delta: 118.5 MB). Free memory was 165.7 MB in the beginning and 224.1 MB in the end (delta: -58.5 MB). Peak memory consumption was 60.0 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]: 13596, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 25, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 21, TOOLS_POST_TIME[ms]: 86, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 31, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 25, TOOLS_QUANTIFIERELIM_TIME[ms]: 89, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 24, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 40, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 17, DOMAIN_JOIN_TIME[ms]: 5900, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 14, DOMAIN_WIDEN_TIME[ms]: 7346, DOMAIN_ISSUBSETEQ_APPLICATIONS: 15, DOMAIN_ISSUBSETEQ_TIME[ms]: 139, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 13409, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13409, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 15, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 30, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 29, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 25, DAG_COMPRESSION_PROCESSED_NODES: 42, DAG_COMPRESSION_RETAINED_NODES: 28 - UnprovableResult [Line: 6]: 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 154#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...