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/nested_1-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 15:21:08,321 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 15:21:08,324 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 15:21:08,340 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 15:21:08,340 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 15:21:08,341 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 15:21:08,343 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 15:21:08,354 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 15:21:08,356 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 15:21:08,358 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 15:21:08,360 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 15:21:08,361 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 15:21:08,361 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 15:21:08,362 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 15:21:08,364 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 15:21:08,365 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 15:21:08,367 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 15:21:08,367 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 15:21:08,372 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 15:21:08,375 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 15:21:08,378 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 15:21:08,381 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 15:21:08,382 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 15:21:08,383 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 15:21:08,387 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 15:21:08,387 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 15:21:08,388 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 15:21:08,388 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 15:21:08,389 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 15:21:08,391 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 15:21:08,392 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 15:21:08,394 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 15:21:08,395 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 15:21:08,396 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 15:21:08,397 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 15:21:08,397 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 15:21:08,397 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 15:21:08,398 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 15:21:08,398 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 15:21:08,399 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 15:21:08,404 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 15:21:08,405 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 15:21:08,429 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 15:21:08,430 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 15:21:08,432 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 15:21:08,433 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 15:21:08,433 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 15:21:08,433 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 15:21:08,433 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 15:21:08,433 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 15:21:08,434 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 15:21:08,434 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 15:21:08,435 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 15:21:08,435 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 15:21:08,435 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 15:21:08,436 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 15:21:08,436 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 15:21:08,436 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 15:21:08,437 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 15:21:08,437 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 15:21:08,437 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 15:21:08,437 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 15:21:08,438 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 15:21:08,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 15:21:08,438 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 15:21:08,438 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 15:21:08,439 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 15:21:08,439 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 15:21:08,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 15:21:08,439 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 15:21:08,439 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 [2019-09-17 15:21:08,480 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 15:21:08,493 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 15:21:08,497 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 15:21:08,500 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 15:21:08,500 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 15:21:08,501 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/nested_1-1.c [2019-09-17 15:21:08,564 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfb079cc5/f29d46c53ea842abbc86fa3adf705fac/FLAG2d8b097a6 [2019-09-17 15:21:09,007 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 15:21:09,008 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/nested_1-1.c [2019-09-17 15:21:09,019 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfb079cc5/f29d46c53ea842abbc86fa3adf705fac/FLAG2d8b097a6 [2019-09-17 15:21:09,346 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfb079cc5/f29d46c53ea842abbc86fa3adf705fac [2019-09-17 15:21:09,358 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 15:21:09,360 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 15:21:09,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 15:21:09,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 15:21:09,365 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 15:21:09,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 03:21:09" (1/1) ... [2019-09-17 15:21:09,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@529786a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:21:09, skipping insertion in model container [2019-09-17 15:21:09,370 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 03:21:09" (1/1) ... [2019-09-17 15:21:09,377 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 15:21:09,396 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 15:21:09,573 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 15:21:09,576 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 15:21:09,589 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 15:21:09,602 INFO L192 MainTranslator]: Completed translation [2019-09-17 15:21:09,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:21:09 WrapperNode [2019-09-17 15:21:09,603 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 15:21:09,604 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 15:21:09,604 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 15:21:09,604 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 15:21:09,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:21:09" (1/1) ... [2019-09-17 15:21:09,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:21:09" (1/1) ... [2019-09-17 15:21:09,706 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:21:09" (1/1) ... [2019-09-17 15:21:09,707 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:21:09" (1/1) ... [2019-09-17 15:21:09,710 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:21:09" (1/1) ... [2019-09-17 15:21:09,714 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:21:09" (1/1) ... [2019-09-17 15:21:09,715 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:21:09" (1/1) ... [2019-09-17 15:21:09,716 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 15:21:09,717 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 15:21:09,717 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 15:21:09,717 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 15:21:09,718 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:21:09" (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 15:21:09,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 15:21:09,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 15:21:09,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-17 15:21:09,773 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 15:21:09,773 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 15:21:09,773 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-17 15:21:09,773 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 15:21:09,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 15:21:09,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 15:21:09,994 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 15:21:09,995 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-17 15:21:09,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 03:21:09 BoogieIcfgContainer [2019-09-17 15:21:09,997 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 15:21:09,998 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 15:21:09,998 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 15:21:09,999 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 15:21:10,001 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 03:21:09" (1/1) ... [2019-09-17 15:21:10,002 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 15:21:10,035 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 15:21:10,035 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 15:21:10,061 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 15:21:10,077 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 15:21:10,079 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 15:21:10,144 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-17 15:21:12,304 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 9 [2019-09-17 15:21:14,311 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 17 [2019-09-17 15:21:15,399 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 29 [2019-09-17 15:21:16,684 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 23 [2019-09-17 15:21:17,743 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 29 [2019-09-17 15:21:25,197 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 28 [2019-09-17 15:21:27,983 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 24 [2019-09-17 15:21:28,611 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2019-09-17 15:21:29,005 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 27 [2019-09-17 15:21:29,316 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 25 [2019-09-17 15:21:32,939 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 25 [2019-09-17 15:21:37,301 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 29 [2019-09-17 15:21:40,452 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 29 [2019-09-17 15:21:51,584 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2019-09-17 15:21:53,921 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 17 [2019-09-17 15:21:55,950 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 25 [2019-09-17 15:21:59,964 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 29 [2019-09-17 15:22:01,793 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 24 [2019-09-17 15:22:02,355 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 25 [2019-09-17 15:22:04,484 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 28 [2019-09-17 15:22:04,853 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2019-09-17 15:22:05,101 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-17 15:22:05,241 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 32 [2019-09-17 15:22:13,627 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 27 [2019-09-17 15:22:16,555 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 28 [2019-09-17 15:22:22,627 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 34 [2019-09-17 15:22:29,244 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 31 [2019-09-17 15:22:36,882 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 32 [2019-09-17 15:22:38,105 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 28 [2019-09-17 15:22:39,862 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 27 [2019-09-17 15:22:40,479 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 28 [2019-09-17 15:22:41,361 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2019-09-17 15:22:41,625 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 36 [2019-09-17 15:22:41,848 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 39 [2019-09-17 15:22:44,849 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 32 [2019-09-17 15:22:46,617 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 27 [2019-09-17 15:22:47,843 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 29 [2019-09-17 15:22:50,334 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 27 [2019-09-17 15:22:53,756 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 27 [2019-09-17 15:22:56,043 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 29 [2019-09-17 15:22:58,974 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 27 [2019-09-17 15:23:00,990 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 27 [2019-09-17 15:23:03,072 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 32 [2019-09-17 15:23:03,659 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 32 [2019-09-17 15:23:03,855 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 31 [2019-09-17 15:23:05,238 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 31 [2019-09-17 15:23:07,363 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 30 [2019-09-17 15:23:07,998 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 30 [2019-09-17 15:23:09,887 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 31 [2019-09-17 15:23:11,060 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 35 [2019-09-17 15:23:17,618 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 32 [2019-09-17 15:23:18,230 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 31 [2019-09-17 15:23:18,764 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 27 [2019-09-17 15:23:20,282 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 33 [2019-09-17 15:23:20,527 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 30 [2019-09-17 15:23:24,598 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 27 [2019-09-17 15:23:25,586 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2019-09-17 15:23:26,969 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 27 [2019-09-17 15:23:28,059 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 32 [2019-09-17 15:23:31,275 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 28 [2019-09-17 15:23:31,911 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 34 [2019-09-17 15:23:39,661 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 32 [2019-09-17 15:23:40,243 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 27 [2019-09-17 15:23:41,092 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 33 [2019-09-17 15:23:41,323 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 32 [2019-09-17 15:23:42,140 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 27 [2019-09-17 15:23:42,682 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 33 [2019-09-17 15:23:53,904 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 31 [2019-09-17 15:23:54,372 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 34 [2019-09-17 15:23:54,623 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 33 [2019-09-17 15:23:54,831 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 36 [2019-09-17 15:23:55,402 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 28 [2019-09-17 15:23:56,466 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 31 [2019-09-17 15:23:56,926 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 27 [2019-09-17 15:23:57,124 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 26 [2019-09-17 15:23:59,369 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 27 [2019-09-17 15:24:01,640 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 27 [2019-09-17 15:24:02,727 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 27 [2019-09-17 15:24:06,575 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 39 [2019-09-17 15:24:06,861 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2019-09-17 15:24:07,406 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 40 [2019-09-17 15:24:07,699 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2019-09-17 15:24:07,955 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 43 [2019-09-17 15:24:08,234 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 39 [2019-09-17 15:24:09,000 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 30 [2019-09-17 15:24:09,655 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 30 [2019-09-17 15:24:11,199 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 32 [2019-09-17 15:24:12,575 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 30 [2019-09-17 15:24:13,248 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 37 [2019-09-17 15:24:13,812 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 33 [2019-09-17 15:24:14,968 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 32 [2019-09-17 15:24:15,621 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 39 [2019-09-17 15:24:15,929 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2019-09-17 15:24:16,090 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-09-17 15:24:16,201 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 41 [2019-09-17 15:24:16,378 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 32 [2019-09-17 15:24:16,503 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 44 [2019-09-17 15:24:16,662 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2019-09-17 15:24:16,842 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 39 [2019-09-17 15:24:17,103 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 38 [2019-09-17 15:24:17,256 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 25 [2019-09-17 15:24:23,537 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 39 for LOIs [2019-09-17 15:24:23,596 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 15:24:23,597 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 15:24:23,598 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 7409#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-17 15:24:23,608 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 15:24:23,608 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 15:24:23,609 INFO L168 Benchmark]: Toolchain (without parser) took 194249.54 ms. Allocated memory was 138.9 MB in the beginning and 143.7 MB in the end (delta: 4.7 MB). Free memory was 86.3 MB in the beginning and 91.1 MB in the end (delta: -4.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-17 15:24:23,610 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 138.9 MB. Free memory is still 104.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-17 15:24:23,610 INFO L168 Benchmark]: CACSL2BoogieTranslator took 241.93 ms. Allocated memory is still 138.9 MB. Free memory was 86.3 MB in the beginning and 77.1 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-09-17 15:24:23,611 INFO L168 Benchmark]: Boogie Preprocessor took 112.97 ms. Allocated memory was 138.9 MB in the beginning and 198.2 MB in the end (delta: 59.2 MB). Free memory was 77.1 MB in the beginning and 175.6 MB in the end (delta: -98.5 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2019-09-17 15:24:23,612 INFO L168 Benchmark]: RCFGBuilder took 280.67 ms. Allocated memory is still 198.2 MB. Free memory was 175.6 MB in the beginning and 162.9 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. [2019-09-17 15:24:23,613 INFO L168 Benchmark]: Sifa took 193610.00 ms. Allocated memory was 198.2 MB in the beginning and 143.7 MB in the end (delta: -54.5 MB). Free memory was 162.9 MB in the beginning and 91.1 MB in the end (delta: 71.8 MB). Peak memory consumption was 17.3 MB. Max. memory is 7.1 GB. [2019-09-17 15:24:23,616 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 138.9 MB. Free memory is still 104.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 241.93 ms. Allocated memory is still 138.9 MB. Free memory was 86.3 MB in the beginning and 77.1 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.97 ms. Allocated memory was 138.9 MB in the beginning and 198.2 MB in the end (delta: 59.2 MB). Free memory was 77.1 MB in the beginning and 175.6 MB in the end (delta: -98.5 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 280.67 ms. Allocated memory is still 198.2 MB. Free memory was 175.6 MB in the beginning and 162.9 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. * Sifa took 193610.00 ms. Allocated memory was 198.2 MB in the beginning and 143.7 MB in the end (delta: -54.5 MB). Free memory was 162.9 MB in the beginning and 91.1 MB in the end (delta: 71.8 MB). Peak memory consumption was 17.3 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]: 193564, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 1948, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 1170, TOOLS_POST_TIME[ms]: 2290, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 18, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 1174, TOOLS_QUANTIFIERELIM_TIME[ms]: 2054, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 30, FLUID_QUERY_TIME[ms]: 43, FLUID_QUERIES: 2335, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 1164, DOMAIN_JOIN_TIME[ms]: 131965, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 386, DOMAIN_WIDEN_TIME[ms]: 58099, DOMAIN_ISSUBSETEQ_APPLICATIONS: 387, DOMAIN_ISSUBSETEQ_TIME[ms]: 509, DOMAIN_ISBOTTOM_APPLICATIONS: 388, DOMAIN_ISBOTTOM_TIME[ms]: 375, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 193273, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 193272, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 387, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 26, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 26, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 16, DAG_COMPRESSION_PROCESSED_NODES: 59, DAG_COMPRESSION_RETAINED_NODES: 35 - 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 7409#(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...