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 SequenceOfStatements --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/array-tiling/rewnifrev2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 18:25:58,253 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 18:25:58,255 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 18:25:58,271 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 18:25:58,272 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 18:25:58,273 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 18:25:58,276 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 18:25:58,285 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 18:25:58,290 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 18:25:58,293 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 18:25:58,294 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 18:25:58,296 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 18:25:58,296 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 18:25:58,297 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 18:25:58,299 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 18:25:58,300 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 18:25:58,302 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 18:25:58,303 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 18:25:58,305 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 18:25:58,310 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 18:25:58,313 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 18:25:58,315 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 18:25:58,317 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 18:25:58,318 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 18:25:58,320 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 18:25:58,320 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 18:25:58,321 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 18:25:58,322 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 18:25:58,323 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 18:25:58,325 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 18:25:58,325 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 18:25:58,326 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 18:25:58,327 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 18:25:58,327 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 18:25:58,329 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 18:25:58,330 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 18:25:58,330 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 18:25:58,330 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 18:25:58,331 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 18:25:58,331 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 18:25:58,332 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 18:25:58,333 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 18:25:58,350 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 18:25:58,351 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 18:25:58,352 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 18:25:58,352 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 18:25:58,352 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 18:25:58,352 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 18:25:58,353 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 18:25:58,353 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 18:25:58,353 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 18:25:58,353 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 18:25:58,353 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 18:25:58,354 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 18:25:58,354 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 18:25:58,354 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 18:25:58,354 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 18:25:58,354 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 18:25:58,354 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 18:25:58,355 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 18:25:58,355 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 18:25:58,355 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 18:25:58,355 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 18:25:58,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 18:25:58,356 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 18:25:58,356 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 18:25:58,356 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 18:25:58,356 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 18:25:58,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 18:25:58,357 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 18:25:58,357 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 -> SequenceOfStatements 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 18:25:58,386 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 18:25:58,398 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 18:25:58,402 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 18:25:58,403 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 18:25:58,404 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 18:25:58,405 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-tiling/rewnifrev2.c [2019-09-20 18:25:58,478 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04708945c/e3003b16e22340fb9c6cfc784538f2dd/FLAG1eb80b8b5 [2019-09-20 18:25:58,923 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 18:25:58,924 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-tiling/rewnifrev2.c [2019-09-20 18:25:58,931 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04708945c/e3003b16e22340fb9c6cfc784538f2dd/FLAG1eb80b8b5 [2019-09-20 18:25:59,281 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04708945c/e3003b16e22340fb9c6cfc784538f2dd [2019-09-20 18:25:59,293 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 18:25:59,295 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 18:25:59,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 18:25:59,296 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 18:25:59,300 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 18:25:59,306 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:25:59" (1/1) ... [2019-09-20 18:25:59,309 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78cb2f26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:25:59, skipping insertion in model container [2019-09-20 18:25:59,309 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:25:59" (1/1) ... [2019-09-20 18:25:59,317 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 18:25:59,338 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 18:25:59,549 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:25:59,561 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 18:25:59,580 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:25:59,597 INFO L192 MainTranslator]: Completed translation [2019-09-20 18:25:59,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:25:59 WrapperNode [2019-09-20 18:25:59,598 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 18:25:59,598 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 18:25:59,599 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 18:25:59,599 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 18:25:59,703 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:25:59" (1/1) ... [2019-09-20 18:25:59,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:25:59" (1/1) ... [2019-09-20 18:25:59,717 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:25:59" (1/1) ... [2019-09-20 18:25:59,719 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:25:59" (1/1) ... [2019-09-20 18:25:59,740 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:25:59" (1/1) ... [2019-09-20 18:25:59,745 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:25:59" (1/1) ... [2019-09-20 18:25:59,746 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:25:59" (1/1) ... [2019-09-20 18:25:59,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 18:25:59,749 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 18:25:59,749 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 18:25:59,749 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 18:25:59,750 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:25:59" (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 18:25:59,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 18:25:59,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 18:25:59,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 18:25:59,805 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 18:25:59,806 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 18:25:59,806 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 18:25:59,806 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 18:25:59,806 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 18:25:59,806 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 18:25:59,806 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 18:25:59,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 18:25:59,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 18:25:59,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 18:25:59,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 18:25:59,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 18:25:59,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 18:26:00,064 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 18:26:00,064 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-20 18:26:00,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:26:00 BoogieIcfgContainer [2019-09-20 18:26:00,067 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 18:26:00,067 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 18:26:00,068 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 18:26:00,068 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 18:26:00,069 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:26:00" (1/1) ... [2019-09-20 18:26:00,070 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 18:26:00,089 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 18:26:00,090 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 18:26:00,096 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 18:26:00,105 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 18:26:00,107 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 18:26:00,311 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 24 for LOIs [2019-09-20 18:26:00,541 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 65 [2019-09-20 18:26:01,079 WARN L191 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2019-09-20 18:26:01,285 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 18:26:01,853 WARN L191 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2019-09-20 18:26:02,098 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 18:26:03,053 WARN L191 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 88 [2019-09-20 18:26:03,451 WARN L191 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-20 18:26:04,473 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 101 DAG size of output: 98 [2019-09-20 18:26:04,971 WARN L191 SmtUtils]: Spent 497.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 18:26:07,291 WARN L191 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 117 DAG size of output: 106 [2019-09-20 18:26:08,494 WARN L191 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 18:26:12,556 WARN L191 SmtUtils]: Spent 4.05 s on a formula simplification. DAG size of input: 118 DAG size of output: 115 [2019-09-20 18:26:14,491 WARN L191 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 115 [2019-09-20 18:26:23,010 WARN L191 SmtUtils]: Spent 8.49 s on a formula simplification. DAG size of input: 139 DAG size of output: 124 [2019-09-20 18:26:23,823 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-09-20 18:26:24,063 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-09-20 18:26:24,089 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-20 18:26:24,101 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 18:26:24,101 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 18:26:24,105 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 117#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-20 18:26:24,116 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 18:26:24,117 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 18:26:24,119 INFO L168 Benchmark]: Toolchain (without parser) took 24823.81 ms. Allocated memory was 138.4 MB in the beginning and 311.4 MB in the end (delta: 173.0 MB). Free memory was 86.2 MB in the beginning and 95.6 MB in the end (delta: -9.5 MB). Peak memory consumption was 163.5 MB. Max. memory is 7.1 GB. [2019-09-20 18:26:24,120 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 18:26:24,121 INFO L168 Benchmark]: CACSL2BoogieTranslator took 302.55 ms. Allocated memory is still 138.4 MB. Free memory was 85.9 MB in the beginning and 75.5 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2019-09-20 18:26:24,122 INFO L168 Benchmark]: Boogie Preprocessor took 150.21 ms. Allocated memory was 138.4 MB in the beginning and 198.7 MB in the end (delta: 60.3 MB). Free memory was 75.5 MB in the beginning and 176.0 MB in the end (delta: -100.4 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. [2019-09-20 18:26:24,122 INFO L168 Benchmark]: RCFGBuilder took 318.05 ms. Allocated memory is still 198.7 MB. Free memory was 176.0 MB in the beginning and 161.4 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. [2019-09-20 18:26:24,123 INFO L168 Benchmark]: Sifa took 24049.53 ms. Allocated memory was 198.7 MB in the beginning and 311.4 MB in the end (delta: 112.7 MB). Free memory was 161.4 MB in the beginning and 95.6 MB in the end (delta: 65.8 MB). Peak memory consumption was 178.5 MB. Max. memory is 7.1 GB. [2019-09-20 18:26:24,128 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 138.4 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 302.55 ms. Allocated memory is still 138.4 MB. Free memory was 85.9 MB in the beginning and 75.5 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 150.21 ms. Allocated memory was 138.4 MB in the beginning and 198.7 MB in the end (delta: 60.3 MB). Free memory was 75.5 MB in the beginning and 176.0 MB in the end (delta: -100.4 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 318.05 ms. Allocated memory is still 198.7 MB. Free memory was 176.0 MB in the beginning and 161.4 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. * Sifa took 24049.53 ms. Allocated memory was 198.7 MB in the beginning and 311.4 MB in the end (delta: 112.7 MB). Free memory was 161.4 MB in the beginning and 95.6 MB in the end (delta: 65.8 MB). Peak memory consumption was 178.5 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]: 24016, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 55, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 45, TOOLS_POST_TIME[ms]: 191, TOOLS_POST_CALL_APPLICATIONS: 8, TOOLS_POST_CALL_TIME[ms]: 110, TOOLS_POST_RETURN_APPLICATIONS: 6, TOOLS_POST_RETURN_TIME[ms]: 11, TOOLS_QUANTIFIERELIM_APPLICATIONS: 59, TOOLS_QUANTIFIERELIM_TIME[ms]: 267, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 88, FLUID_QUERY_TIME[ms]: 8, FLUID_QUERIES: 65, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 17, DOMAIN_JOIN_TIME[ms]: 9058, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 8, DOMAIN_WIDEN_TIME[ms]: 14463, DOMAIN_ISSUBSETEQ_APPLICATIONS: 10, DOMAIN_ISSUBSETEQ_TIME[ms]: 73, DOMAIN_ISBOTTOM_APPLICATIONS: 3, DOMAIN_ISBOTTOM_TIME[ms]: 9, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 23724, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 23723, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 10, CALL_SUMMARIZER_APPLICATIONS: 6, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 153, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 152, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 27, DAG_COMPRESSION_PROCESSED_NODES: 110, DAG_COMPRESSION_RETAINED_NODES: 56 - UnprovableResult [Line: 3]: 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 117#(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...