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-lit/bhmr2007.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 17:21:15,369 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 17:21:15,371 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 17:21:15,383 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 17:21:15,383 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 17:21:15,384 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 17:21:15,385 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 17:21:15,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 17:21:15,389 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 17:21:15,390 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 17:21:15,391 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 17:21:15,392 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 17:21:15,392 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 17:21:15,393 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 17:21:15,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 17:21:15,395 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 17:21:15,396 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 17:21:15,397 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 17:21:15,399 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 17:21:15,401 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 17:21:15,403 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 17:21:15,404 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 17:21:15,405 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 17:21:15,406 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 17:21:15,408 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 17:21:15,409 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 17:21:15,409 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 17:21:15,410 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 17:21:15,410 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 17:21:15,411 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 17:21:15,411 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 17:21:15,412 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 17:21:15,413 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 17:21:15,414 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 17:21:15,415 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 17:21:15,415 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 17:21:15,415 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 17:21:15,416 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 17:21:15,416 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 17:21:15,417 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 17:21:15,417 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 17:21:15,418 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 17:21:15,433 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 17:21:15,433 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 17:21:15,434 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 17:21:15,434 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 17:21:15,435 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 17:21:15,435 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 17:21:15,435 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 17:21:15,435 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 17:21:15,436 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 17:21:15,436 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 17:21:15,436 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 17:21:15,436 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 17:21:15,436 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 17:21:15,437 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 17:21:15,437 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 17:21:15,437 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 17:21:15,437 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 17:21:15,437 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 17:21:15,438 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 17:21:15,438 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 17:21:15,438 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 17:21:15,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 17:21:15,438 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 17:21:15,438 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 17:21:15,439 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 17:21:15,439 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 17:21:15,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 17:21:15,439 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 17:21:15,439 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 17:21:15,471 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 17:21:15,484 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 17:21:15,488 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 17:21:15,489 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 17:21:15,490 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 17:21:15,491 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/bhmr2007.i [2019-09-20 17:21:15,553 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21971bdf5/03862b1992cd4f92bb1bc072c0e0aae5/FLAGbf65d23aa [2019-09-20 17:21:15,951 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 17:21:15,952 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/bhmr2007.i [2019-09-20 17:21:15,958 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21971bdf5/03862b1992cd4f92bb1bc072c0e0aae5/FLAGbf65d23aa [2019-09-20 17:21:16,384 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21971bdf5/03862b1992cd4f92bb1bc072c0e0aae5 [2019-09-20 17:21:16,397 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 17:21:16,398 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 17:21:16,400 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 17:21:16,400 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 17:21:16,403 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 17:21:16,404 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:21:16" (1/1) ... [2019-09-20 17:21:16,406 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a28ca92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:21:16, skipping insertion in model container [2019-09-20 17:21:16,407 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:21:16" (1/1) ... [2019-09-20 17:21:16,414 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 17:21:16,433 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 17:21:16,688 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:21:16,692 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 17:21:16,708 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:21:16,721 INFO L192 MainTranslator]: Completed translation [2019-09-20 17:21:16,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:21:16 WrapperNode [2019-09-20 17:21:16,722 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 17:21:16,722 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 17:21:16,723 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 17:21:16,723 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 17:21:16,820 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:21:16" (1/1) ... [2019-09-20 17:21:16,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:21:16" (1/1) ... [2019-09-20 17:21:16,826 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:21:16" (1/1) ... [2019-09-20 17:21:16,826 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:21:16" (1/1) ... [2019-09-20 17:21:16,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:21:16" (1/1) ... [2019-09-20 17:21:16,834 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:21:16" (1/1) ... [2019-09-20 17:21:16,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:21:16" (1/1) ... [2019-09-20 17:21:16,847 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 17:21:16,848 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 17:21:16,848 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 17:21:16,848 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 17:21:16,849 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:21:16" (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 17:21:16,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 17:21:16,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 17:21:16,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 17:21:16,900 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 17:21:16,900 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 17:21:16,900 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 17:21:16,901 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 17:21:16,901 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 17:21:16,901 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 17:21:16,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 17:21:16,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 17:21:17,153 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 17:21:17,153 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 17:21:17,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:21:17 BoogieIcfgContainer [2019-09-20 17:21:17,155 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 17:21:17,156 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 17:21:17,156 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 17:21:17,156 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 17:21:17,158 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:21:17" (1/1) ... [2019-09-20 17:21:17,159 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 17:21:17,185 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 17:21:17,185 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 17:21:17,193 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 17:21:17,203 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 17:21:17,204 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 17:21:17,303 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-20 17:21:17,733 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 31 [2019-09-20 17:21:17,924 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 32 [2019-09-20 17:21:18,098 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2019-09-20 17:21:18,330 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2019-09-20 17:21:18,498 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 54 [2019-09-20 17:21:18,742 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-09-20 17:21:18,965 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-20 17:21:19,071 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 17:21:19,331 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-20 17:21:19,618 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 78 [2019-09-20 17:21:19,734 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-20 17:21:20,006 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-20 17:21:20,435 WARN L191 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 103 [2019-09-20 17:21:20,598 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-20 17:21:20,997 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 102 [2019-09-20 17:21:21,351 WARN L191 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 109 [2019-09-20 17:21:21,527 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-20 17:21:21,873 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 109 [2019-09-20 17:21:22,619 WARN L191 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 131 [2019-09-20 17:21:22,822 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-20 17:21:23,316 WARN L191 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 130 [2019-09-20 17:21:23,925 WARN L191 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 133 [2019-09-20 17:21:24,099 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-20 17:21:24,130 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 17:21:24,130 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 17:21:24,133 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 74#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-20 17:21:24,150 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 17:21:24,151 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 17:21:24,153 INFO L168 Benchmark]: Toolchain (without parser) took 7754.51 ms. Allocated memory was 133.7 MB in the beginning and 358.1 MB in the end (delta: 224.4 MB). Free memory was 83.8 MB in the beginning and 261.0 MB in the end (delta: -177.1 MB). Peak memory consumption was 47.2 MB. Max. memory is 7.1 GB. [2019-09-20 17:21:24,154 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 133.7 MB. Free memory was 101.9 MB in the beginning and 101.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 17:21:24,155 INFO L168 Benchmark]: CACSL2BoogieTranslator took 322.23 ms. Allocated memory is still 133.7 MB. Free memory was 83.4 MB in the beginning and 74.1 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-09-20 17:21:24,156 INFO L168 Benchmark]: Boogie Preprocessor took 125.05 ms. Allocated memory was 133.7 MB in the beginning and 197.1 MB in the end (delta: 63.4 MB). Free memory was 74.1 MB in the beginning and 174.4 MB in the end (delta: -100.3 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2019-09-20 17:21:24,157 INFO L168 Benchmark]: RCFGBuilder took 307.50 ms. Allocated memory is still 197.1 MB. Free memory was 174.4 MB in the beginning and 160.2 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. [2019-09-20 17:21:24,158 INFO L168 Benchmark]: Sifa took 6995.08 ms. Allocated memory was 197.1 MB in the beginning and 358.1 MB in the end (delta: 161.0 MB). Free memory was 160.2 MB in the beginning and 261.0 MB in the end (delta: -100.7 MB). Peak memory consumption was 60.2 MB. Max. memory is 7.1 GB. [2019-09-20 17:21:24,162 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 133.7 MB. Free memory was 101.9 MB in the beginning and 101.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 322.23 ms. Allocated memory is still 133.7 MB. Free memory was 83.4 MB in the beginning and 74.1 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.05 ms. Allocated memory was 133.7 MB in the beginning and 197.1 MB in the end (delta: 63.4 MB). Free memory was 74.1 MB in the beginning and 174.4 MB in the end (delta: -100.3 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 307.50 ms. Allocated memory is still 197.1 MB. Free memory was 174.4 MB in the beginning and 160.2 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. * Sifa took 6995.08 ms. Allocated memory was 197.1 MB in the beginning and 358.1 MB in the end (delta: 161.0 MB). Free memory was 160.2 MB in the beginning and 261.0 MB in the end (delta: -100.7 MB). Peak memory consumption was 60.2 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]: 6949, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 17, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 13, TOOLS_POST_TIME[ms]: 101, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 16, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 17, TOOLS_QUANTIFIERELIM_TIME[ms]: 97, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 19, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 23, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 8, DOMAIN_JOIN_TIME[ms]: 3810, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 2899, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 18, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 6767, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 6766, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, 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]: 9, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 22, DAG_COMPRESSION_PROCESSED_NODES: 50, DAG_COMPRESSION_RETAINED_NODES: 31 - UnprovableResult [Line: 5]: 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 74#(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...