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/array-examples/standard_allDiff2_ground.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 17:23:15,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 17:23:15,465 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 17:23:15,476 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 17:23:15,476 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 17:23:15,477 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 17:23:15,479 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 17:23:15,480 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 17:23:15,482 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 17:23:15,483 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 17:23:15,484 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 17:23:15,485 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 17:23:15,486 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 17:23:15,486 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 17:23:15,487 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 17:23:15,489 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 17:23:15,489 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 17:23:15,490 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 17:23:15,492 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 17:23:15,494 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 17:23:15,496 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 17:23:15,497 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 17:23:15,498 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 17:23:15,499 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 17:23:15,502 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 17:23:15,502 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 17:23:15,502 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 17:23:15,504 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 17:23:15,504 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 17:23:15,507 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 17:23:15,507 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 17:23:15,511 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 17:23:15,512 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 17:23:15,513 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 17:23:15,514 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 17:23:15,514 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 17:23:15,515 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 17:23:15,515 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 17:23:15,515 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 17:23:15,516 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 17:23:15,517 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 17:23:15,517 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 17:23:15,542 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 17:23:15,542 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 17:23:15,544 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 17:23:15,544 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 17:23:15,544 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 17:23:15,545 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 17:23:15,545 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 17:23:15,545 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 17:23:15,545 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 17:23:15,545 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 17:23:15,545 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 17:23:15,546 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 17:23:15,546 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 17:23:15,547 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 17:23:15,547 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 17:23:15,548 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 17:23:15,548 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 17:23:15,548 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 17:23:15,548 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 17:23:15,548 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 17:23:15,549 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 17:23:15,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 17:23:15,549 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 17:23:15,550 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 17:23:15,550 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 17:23:15,550 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 17:23:15,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 17:23:15,550 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 17:23:15,551 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 [2019-09-20 17:23:15,609 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 17:23:15,625 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 17:23:15,629 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 17:23:15,631 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 17:23:15,631 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 17:23:15,632 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/standard_allDiff2_ground.i [2019-09-20 17:23:15,704 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3699f1061/8587f66b1f9542ac95bd1724be0b7e45/FLAG2ce2d1e93 [2019-09-20 17:23:16,126 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 17:23:16,127 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/standard_allDiff2_ground.i [2019-09-20 17:23:16,133 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3699f1061/8587f66b1f9542ac95bd1724be0b7e45/FLAG2ce2d1e93 [2019-09-20 17:23:16,508 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3699f1061/8587f66b1f9542ac95bd1724be0b7e45 [2019-09-20 17:23:16,517 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 17:23:16,519 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 17:23:16,520 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 17:23:16,520 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 17:23:16,523 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 17:23:16,524 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:23:16" (1/1) ... [2019-09-20 17:23:16,527 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a9b1f34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:16, skipping insertion in model container [2019-09-20 17:23:16,527 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:23:16" (1/1) ... [2019-09-20 17:23:16,534 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 17:23:16,551 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 17:23:16,763 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:23:16,767 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 17:23:16,787 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:23:16,805 INFO L192 MainTranslator]: Completed translation [2019-09-20 17:23:16,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:16 WrapperNode [2019-09-20 17:23:16,806 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 17:23:16,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 17:23:16,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 17:23:16,807 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 17:23:16,920 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:16" (1/1) ... [2019-09-20 17:23:16,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:16" (1/1) ... [2019-09-20 17:23:16,928 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:16" (1/1) ... [2019-09-20 17:23:16,928 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:16" (1/1) ... [2019-09-20 17:23:16,944 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:16" (1/1) ... [2019-09-20 17:23:16,951 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:16" (1/1) ... [2019-09-20 17:23:16,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:16" (1/1) ... [2019-09-20 17:23:16,955 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 17:23:16,955 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 17:23:16,955 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 17:23:16,955 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 17:23:16,956 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:16" (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 17:23:17,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 17:23:17,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 17:23:17,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 17:23:17,009 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 17:23:17,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 17:23:17,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 17:23:17,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 17:23:17,009 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 17:23:17,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 17:23:17,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 17:23:17,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 17:23:17,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 17:23:17,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 17:23:17,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 17:23:17,421 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 17:23:17,422 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 17:23:17,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:23:17 BoogieIcfgContainer [2019-09-20 17:23:17,423 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 17:23:17,424 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 17:23:17,424 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 17:23:17,424 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 17:23:17,425 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:23:17" (1/1) ... [2019-09-20 17:23:17,426 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 [2019-09-20 17:23:17,449 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 17:23:17,450 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 17:23:17,457 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 17:23:17,465 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 17:23:17,467 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 17:23:17,657 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 19 for LOIs [2019-09-20 17:23:19,556 WARN L191 SmtUtils]: Spent 1.60 s on a formula simplification that was a NOOP. DAG size: 79 [2019-09-20 17:23:20,317 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 48 [2019-09-20 17:23:20,591 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 50 [2019-09-20 17:23:20,746 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2019-09-20 17:23:20,883 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2019-09-20 17:23:21,584 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2019-09-20 17:23:21,844 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 49 [2019-09-20 17:23:22,049 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 51 [2019-09-20 17:23:22,378 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 57 [2019-09-20 17:23:22,588 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 62 [2019-09-20 17:23:22,703 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-20 17:23:22,887 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2019-09-20 17:23:23,129 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2019-09-20 17:23:23,369 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 63 [2019-09-20 17:23:23,632 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2019-09-20 17:23:23,758 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 17:23:24,024 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-09-20 17:23:24,298 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2019-09-20 17:23:24,623 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 71 [2019-09-20 17:23:24,918 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 75 [2019-09-20 17:23:25,048 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-20 17:23:25,306 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-20 17:23:25,627 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2019-09-20 17:23:25,745 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-20 17:23:25,984 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2019-09-20 17:23:26,289 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2019-09-20 17:23:26,428 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-20 17:23:26,741 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2019-09-20 17:23:27,094 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 94 [2019-09-20 17:23:27,280 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-20 17:23:27,602 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 94 [2019-09-20 17:23:28,025 WARN L191 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 97 [2019-09-20 17:23:30,410 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2019-09-20 17:23:30,450 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 26 for LOIs [2019-09-20 17:23:30,481 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 17:23:30,481 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 17:23:30,484 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 453#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-20 17:23:30,495 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 17:23:30,496 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 17:23:30,498 INFO L168 Benchmark]: Toolchain (without parser) took 13978.69 ms. Allocated memory was 132.6 MB in the beginning and 354.4 MB in the end (delta: 221.8 MB). Free memory was 89.2 MB in the beginning and 322.5 MB in the end (delta: -233.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 17:23:30,500 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 17:23:30,506 INFO L168 Benchmark]: CACSL2BoogieTranslator took 285.85 ms. Allocated memory is still 132.6 MB. Free memory was 89.0 MB in the beginning and 78.9 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-09-20 17:23:30,506 INFO L168 Benchmark]: Boogie Preprocessor took 148.57 ms. Allocated memory was 132.6 MB in the beginning and 200.8 MB in the end (delta: 68.2 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 15.9 MB. Max. memory is 7.1 GB. [2019-09-20 17:23:30,507 INFO L168 Benchmark]: RCFGBuilder took 468.18 ms. Allocated memory is still 200.8 MB. Free memory was 176.7 MB in the beginning and 154.9 MB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2019-09-20 17:23:30,507 INFO L168 Benchmark]: Sifa took 13072.38 ms. Allocated memory was 200.8 MB in the beginning and 354.4 MB in the end (delta: 153.6 MB). Free memory was 154.3 MB in the beginning and 322.5 MB in the end (delta: -168.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 17:23:30,512 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 285.85 ms. Allocated memory is still 132.6 MB. Free memory was 89.0 MB in the beginning and 78.9 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 148.57 ms. Allocated memory was 132.6 MB in the beginning and 200.8 MB in the end (delta: 68.2 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 15.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 468.18 ms. Allocated memory is still 200.8 MB. Free memory was 176.7 MB in the beginning and 154.9 MB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. * Sifa took 13072.38 ms. Allocated memory was 200.8 MB in the beginning and 354.4 MB in the end (delta: 153.6 MB). Free memory was 154.3 MB in the beginning and 322.5 MB in the end (delta: -168.3 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 13035, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 139, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 100, TOOLS_POST_TIME[ms]: 293, TOOLS_POST_CALL_APPLICATIONS: 16, TOOLS_POST_CALL_TIME[ms]: 521, TOOLS_POST_RETURN_APPLICATIONS: 14, TOOLS_POST_RETURN_TIME[ms]: 24, TOOLS_QUANTIFIERELIM_APPLICATIONS: 130, TOOLS_QUANTIFIERELIM_TIME[ms]: 779, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 221, FLUID_QUERY_TIME[ms]: 9, FLUID_QUERIES: 178, FLUID_YES_ANSWERS: 3, DOMAIN_JOIN_APPLICATIONS: 52, DOMAIN_JOIN_TIME[ms]: 5396, DOMAIN_ALPHA_APPLICATIONS: 3, DOMAIN_ALPHA_TIME[ms]: 12, DOMAIN_WIDEN_APPLICATIONS: 22, DOMAIN_WIDEN_TIME[ms]: 6611, DOMAIN_ISSUBSETEQ_APPLICATIONS: 39, DOMAIN_ISSUBSETEQ_TIME[ms]: 72, DOMAIN_ISBOTTOM_APPLICATIONS: 7, DOMAIN_ISBOTTOM_TIME[ms]: 6, LOOP_SUMMARIZER_APPLICATIONS: 17, LOOP_SUMMARIZER_CACHE_MISSES: 17, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 12409, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12409, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 39, CALL_SUMMARIZER_APPLICATIONS: 14, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 169, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 168, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 21, DAG_COMPRESSION_PROCESSED_NODES: 139, DAG_COMPRESSION_RETAINED_NODES: 68 - UnprovableResult [Line: 2]: 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 453#(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...