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/nla-digbench/cohendiv.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 15:51:25,332 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 15:51:25,334 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 15:51:25,346 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 15:51:25,346 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 15:51:25,347 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 15:51:25,349 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 15:51:25,351 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 15:51:25,353 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 15:51:25,354 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 15:51:25,354 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 15:51:25,356 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 15:51:25,356 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 15:51:25,357 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 15:51:25,358 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 15:51:25,359 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 15:51:25,360 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 15:51:25,361 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 15:51:25,362 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 15:51:25,364 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 15:51:25,365 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 15:51:25,366 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 15:51:25,367 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 15:51:25,368 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 15:51:25,370 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 15:51:25,370 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 15:51:25,371 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 15:51:25,371 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 15:51:25,372 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 15:51:25,373 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 15:51:25,373 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 15:51:25,374 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 15:51:25,374 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 15:51:25,375 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 15:51:25,376 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 15:51:25,376 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 15:51:25,377 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 15:51:25,377 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 15:51:25,377 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 15:51:25,378 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 15:51:25,379 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 15:51:25,379 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 15:51:25,401 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 15:51:25,401 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 15:51:25,403 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 15:51:25,403 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 15:51:25,404 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 15:51:25,404 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 15:51:25,404 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 15:51:25,404 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 15:51:25,404 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 15:51:25,405 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 15:51:25,406 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 15:51:25,406 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 15:51:25,406 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 15:51:25,406 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 15:51:25,407 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 15:51:25,407 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 15:51:25,407 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 15:51:25,407 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 15:51:25,407 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 15:51:25,408 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 15:51:25,408 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 15:51:25,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 15:51:25,409 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 15:51:25,409 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 15:51:25,409 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 15:51:25,409 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 15:51:25,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 15:51:25,410 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 15:51:25,410 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 15:51:25,452 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 15:51:25,474 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 15:51:25,480 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 15:51:25,481 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 15:51:25,482 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 15:51:25,483 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/cohendiv.c [2019-09-17 15:51:25,557 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a76b38ec/3ac5a365b95642ff9606f29914bf5aa2/FLAGf947c81fe [2019-09-17 15:51:26,029 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 15:51:26,029 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/cohendiv.c [2019-09-17 15:51:26,036 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a76b38ec/3ac5a365b95642ff9606f29914bf5aa2/FLAGf947c81fe [2019-09-17 15:51:26,392 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a76b38ec/3ac5a365b95642ff9606f29914bf5aa2 [2019-09-17 15:51:26,408 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 15:51:26,413 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 15:51:26,414 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 15:51:26,414 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 15:51:26,418 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 15:51:26,419 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 03:51:26" (1/1) ... [2019-09-17 15:51:26,422 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a30996e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:51:26, skipping insertion in model container [2019-09-17 15:51:26,422 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 03:51:26" (1/1) ... [2019-09-17 15:51:26,430 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 15:51:26,449 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 15:51:26,632 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 15:51:26,637 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 15:51:26,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 15:51:26,671 INFO L192 MainTranslator]: Completed translation [2019-09-17 15:51:26,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:51:26 WrapperNode [2019-09-17 15:51:26,672 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 15:51:26,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 15:51:26,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 15:51:26,673 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 15:51:26,772 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:51:26" (1/1) ... [2019-09-17 15:51:26,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:51:26" (1/1) ... [2019-09-17 15:51:26,778 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:51:26" (1/1) ... [2019-09-17 15:51:26,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:51:26" (1/1) ... [2019-09-17 15:51:26,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:51:26" (1/1) ... [2019-09-17 15:51:26,789 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:51:26" (1/1) ... [2019-09-17 15:51:26,790 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:51:26" (1/1) ... [2019-09-17 15:51:26,791 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 15:51:26,792 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 15:51:26,792 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 15:51:26,792 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 15:51:26,793 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:51:26" (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 15:51:26,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 15:51:26,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 15:51:26,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-17 15:51:26,847 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 15:51:26,847 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 15:51:26,847 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 15:51:26,847 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-17 15:51:26,847 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-17 15:51:26,847 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 15:51:26,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 15:51:26,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 15:51:27,070 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 15:51:27,070 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-17 15:51:27,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 03:51:27 BoogieIcfgContainer [2019-09-17 15:51:27,072 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 15:51:27,073 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 15:51:27,073 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 15:51:27,073 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 15:51:27,075 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 03:51:27" (1/1) ... [2019-09-17 15:51:27,075 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 15:51:27,107 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 15:51:27,108 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 15:51:27,117 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 15:51:27,129 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 15:51:27,131 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 15:51:27,214 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-17 15:51:27,838 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 27 [2019-09-17 15:51:27,999 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 26 [2019-09-17 15:51:28,214 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 32 [2019-09-17 15:51:28,569 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2019-09-17 15:51:28,788 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2019-09-17 15:51:29,935 WARN L191 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2019-09-17 15:51:30,058 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2019-09-17 15:51:30,262 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-09-17 15:51:30,981 WARN L191 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 63 [2019-09-17 15:51:35,119 WARN L191 SmtUtils]: Spent 4.09 s on a formula simplification. DAG size of input: 33 DAG size of output: 29 [2019-09-17 15:51:37,154 WARN L191 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 29 [2019-09-17 15:51:41,222 WARN L191 SmtUtils]: Spent 4.06 s on a formula simplification. DAG size of input: 30 DAG size of output: 29 [2019-09-17 15:51:41,546 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2019-09-17 15:51:42,149 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 25 [2019-09-17 15:51:44,352 WARN L191 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 33 DAG size of output: 22 [2019-09-17 15:51:45,248 WARN L191 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 25 [2019-09-17 15:51:51,977 WARN L191 SmtUtils]: Spent 6.72 s on a formula simplification. DAG size of input: 48 DAG size of output: 27 [2019-09-17 15:51:52,604 WARN L191 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 33 [2019-09-17 15:51:52,852 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 83 [2019-09-17 15:51:52,961 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-17 15:51:53,436 WARN L191 SmtUtils]: Spent 474.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-17 15:51:58,686 WARN L191 SmtUtils]: Spent 5.03 s on a formula simplification. DAG size of input: 48 DAG size of output: 33 [2019-09-17 15:51:59,159 WARN L191 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 25 [2019-09-17 15:52:05,286 WARN L191 SmtUtils]: Spent 5.94 s on a formula simplification. DAG size of input: 62 DAG size of output: 33 [2019-09-17 15:52:05,660 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 1 [2019-09-17 15:52:08,007 WARN L191 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 49 DAG size of output: 32 [2019-09-17 15:52:35,785 WARN L191 SmtUtils]: Spent 27.78 s on a formula simplification. DAG size of input: 63 DAG size of output: 40 [2019-09-17 15:52:36,740 WARN L191 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 30 [2019-09-17 15:52:37,025 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 1 [2019-09-17 15:53:01,622 WARN L191 SmtUtils]: Spent 22.49 s on a formula simplification. DAG size of input: 61 DAG size of output: 39 [2019-09-17 15:53:02,779 WARN L191 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 31 [2019-09-17 15:53:05,096 WARN L191 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 33 DAG size of output: 25 [2019-09-17 15:53:05,450 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 108 [2019-09-17 15:53:05,694 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-09-17 15:53:21,084 WARN L191 SmtUtils]: Spent 13.30 s on a formula simplification. DAG size of input: 76 DAG size of output: 44 [2019-09-17 15:53:21,220 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 28 [2019-09-17 15:53:23,510 WARN L191 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 48 DAG size of output: 29 [2019-09-17 15:53:37,614 WARN L191 SmtUtils]: Spent 14.09 s on a formula simplification. DAG size of input: 62 DAG size of output: 39 [2019-09-17 15:53:42,420 WARN L191 SmtUtils]: Spent 4.77 s on a formula simplification. DAG size of input: 78 DAG size of output: 1 [2019-09-17 15:53:44,601 WARN L191 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 35 DAG size of output: 25 [2019-09-17 15:53:45,339 WARN L191 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 1 [2019-09-17 15:53:45,485 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 1 [2019-09-17 15:53:57,078 WARN L191 SmtUtils]: Spent 11.58 s on a formula simplification. DAG size of input: 77 DAG size of output: 49 [2019-09-17 15:54:03,227 WARN L191 SmtUtils]: Spent 6.15 s on a formula simplification. DAG size of input: 63 DAG size of output: 33 [2019-09-17 15:54:08,304 WARN L191 SmtUtils]: Spent 5.08 s on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2019-09-17 15:54:25,218 WARN L191 SmtUtils]: Spent 10.74 s on a formula simplification. DAG size of input: 62 DAG size of output: 36 [2019-09-17 15:54:28,654 WARN L191 SmtUtils]: Spent 3.42 s on a formula simplification. DAG size of input: 48 DAG size of output: 28 [2019-09-17 15:54:39,952 WARN L191 SmtUtils]: Spent 11.29 s on a formula simplification. DAG size of input: 76 DAG size of output: 34 [2019-09-17 15:54:42,590 WARN L191 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 34 DAG size of output: 22 [2019-09-17 15:54:42,959 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 15:54:44,197 WARN L191 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 139 DAG size of output: 133 [2019-09-17 15:54:44,506 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-09-17 15:54:45,123 WARN L191 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-09-17 15:54:47,184 WARN L191 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 19 [2019-09-17 15:54:49,200 WARN L191 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 19 [2019-09-17 15:54:51,219 WARN L191 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 19 [2019-09-17 15:55:01,108 WARN L191 SmtUtils]: Spent 9.49 s on a formula simplification. DAG size of input: 134 DAG size of output: 41 [2019-09-17 15:55:01,401 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2019-09-17 15:55:03,473 WARN L191 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 41 [2019-09-17 15:55:04,394 WARN L191 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 25 [2019-09-17 15:55:04,774 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 25 [2019-09-17 15:55:05,721 WARN L191 SmtUtils]: Spent 745.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2019-09-17 15:55:05,906 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2019-09-17 15:55:06,681 WARN L191 SmtUtils]: Spent 772.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2019-09-17 15:55:07,047 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-17 15:55:07,594 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 39 [2019-09-17 15:55:07,756 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-17 15:55:10,631 WARN L191 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2019-09-17 15:55:10,787 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2019-09-17 15:55:10,950 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2019-09-17 15:55:17,416 WARN L191 SmtUtils]: Spent 6.42 s on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2019-09-17 15:55:17,862 WARN L191 SmtUtils]: Spent 445.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-09-17 15:55:20,374 WARN L191 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2019-09-17 15:55:23,231 WARN L191 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2019-09-17 15:55:23,477 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-17 15:55:23,678 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-17 15:55:24,955 WARN L191 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 75 DAG size of output: 69 [2019-09-17 15:55:25,737 WARN L191 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-17 15:55:27,087 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2019-09-17 15:55:31,791 WARN L191 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2019-09-17 15:55:32,367 WARN L191 SmtUtils]: Spent 575.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-17 15:55:33,463 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2019-09-17 15:55:34,875 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 91 DAG size of output: 82 [2019-09-17 15:55:36,184 WARN L191 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 82 [2019-09-17 15:55:37,950 WARN L191 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2019-09-17 15:55:57,858 WARN L191 SmtUtils]: Spent 15.26 s on a formula simplification. DAG size of input: 92 DAG size of output: 62 [2019-09-17 15:55:57,994 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-17 15:55:58,134 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-17 15:56:02,892 WARN L191 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 106 DAG size of output: 68 [2019-09-17 15:56:05,172 WARN L191 SmtUtils]: Spent 2.28 s on a formula simplification that was a NOOP. DAG size: 68 [2019-09-17 15:56:07,059 WARN L191 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2019-09-17 15:56:12,635 WARN L191 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2019-09-17 15:56:12,806 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-17 15:56:12,970 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-17 15:56:21,191 WARN L191 SmtUtils]: Spent 8.20 s on a formula simplification. DAG size of input: 98 DAG size of output: 81 [2019-09-17 15:56:27,098 WARN L191 SmtUtils]: Spent 5.91 s on a formula simplification that was a NOOP. DAG size: 81 [2019-09-17 15:56:31,185 WARN L191 SmtUtils]: Spent 4.08 s on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2019-09-17 15:57:04,535 WARN L191 SmtUtils]: Spent 25.95 s on a formula simplification. DAG size of input: 94 DAG size of output: 85 [2019-09-17 15:57:09,618 WARN L191 SmtUtils]: Spent 5.08 s on a formula simplification that was a NOOP. DAG size: 85 [2019-09-17 15:57:14,677 WARN L191 SmtUtils]: Spent 5.05 s on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2019-09-17 15:58:27,253 WARN L191 SmtUtils]: Spent 1.21 m on a formula simplification. DAG size of input: 107 DAG size of output: 94 [2019-09-17 15:58:31,365 WARN L191 SmtUtils]: Spent 4.08 s on a formula simplification. DAG size of input: 29 DAG size of output: 25 [2019-09-17 15:58:33,385 WARN L191 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 25 [2019-09-17 15:58:35,441 WARN L191 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 25 [2019-09-17 15:58:36,648 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2019-09-17 15:58:36,955 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2019-09-17 15:58:37,359 WARN L191 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 51 [2019-09-17 15:58:39,924 WARN L191 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2019-09-17 15:58:42,478 WARN L191 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 65 DAG size of output: 42 [2019-09-17 15:58:52,995 WARN L191 SmtUtils]: Spent 10.25 s on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2019-09-17 15:58:57,568 WARN L191 SmtUtils]: Spent 4.57 s on a formula simplification that was a NOOP. DAG size: 73 [2019-09-17 15:59:00,447 WARN L191 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2019-09-17 15:59:07,673 WARN L191 SmtUtils]: Spent 7.01 s on a formula simplification. DAG size of input: 85 DAG size of output: 57 [2019-09-17 15:59:29,386 WARN L191 SmtUtils]: Spent 21.17 s on a formula simplification. DAG size of input: 97 DAG size of output: 88 [2019-09-17 15:59:33,603 WARN L191 SmtUtils]: Spent 4.16 s on a formula simplification. DAG size of input: 29 DAG size of output: 25 [2019-09-17 15:59:35,627 WARN L191 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 25 [2019-09-17 15:59:37,676 WARN L191 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 25 [2019-09-17 15:59:42,018 WARN L191 SmtUtils]: Spent 4.11 s on a formula simplification. DAG size of input: 27 DAG size of output: 24 [2019-09-17 15:59:44,047 WARN L191 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 24 [2019-09-17 15:59:48,116 WARN L191 SmtUtils]: Spent 4.06 s on a formula simplification. DAG size of input: 29 DAG size of output: 24 [2019-09-17 15:59:52,245 WARN L191 SmtUtils]: Spent 4.10 s on a formula simplification. DAG size of input: 32 DAG size of output: 29 [2019-09-17 15:59:54,281 WARN L191 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 29 [2019-09-17 15:59:58,366 WARN L191 SmtUtils]: Spent 4.08 s on a formula simplification. DAG size of input: 34 DAG size of output: 29 [2019-09-17 15:59:58,670 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-17 15:59:58,698 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 15:59:58,698 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 15:59:58,700 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 716#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-17 15:59:58,711 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 15:59:58,711 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 15:59:58,713 INFO L168 Benchmark]: Toolchain (without parser) took 512302.83 ms. Allocated memory was 137.9 MB in the beginning and 308.8 MB in the end (delta: 170.9 MB). Free memory was 84.6 MB in the beginning and 278.3 MB in the end (delta: -193.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-17 15:59:58,714 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 137.9 MB. Free memory was 102.6 MB in the beginning and 102.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 15:59:58,715 INFO L168 Benchmark]: CACSL2BoogieTranslator took 258.16 ms. Allocated memory is still 137.9 MB. Free memory was 84.3 MB in the beginning and 74.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-09-17 15:59:58,718 INFO L168 Benchmark]: Boogie Preprocessor took 119.41 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 74.6 MB in the beginning and 175.7 MB in the end (delta: -101.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-09-17 15:59:58,719 INFO L168 Benchmark]: RCFGBuilder took 280.50 ms. Allocated memory is still 198.2 MB. Free memory was 175.7 MB in the beginning and 161.9 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. [2019-09-17 15:59:58,720 INFO L168 Benchmark]: Sifa took 511637.83 ms. Allocated memory was 198.2 MB in the beginning and 308.8 MB in the end (delta: 110.6 MB). Free memory was 161.2 MB in the beginning and 278.3 MB in the end (delta: -117.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-17 15:59:58,723 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 137.9 MB. Free memory was 102.6 MB in the beginning and 102.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 258.16 ms. Allocated memory is still 137.9 MB. Free memory was 84.3 MB in the beginning and 74.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.41 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 74.6 MB in the beginning and 175.7 MB in the end (delta: -101.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 280.50 ms. Allocated memory is still 198.2 MB. Free memory was 175.7 MB in the beginning and 161.9 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. * Sifa took 511637.83 ms. Allocated memory was 198.2 MB in the beginning and 308.8 MB in the end (delta: 110.6 MB). Free memory was 161.2 MB in the beginning and 278.3 MB in the end (delta: -117.0 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 511593, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 266, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 125, TOOLS_POST_TIME[ms]: 101, TOOLS_POST_CALL_APPLICATIONS: 136, TOOLS_POST_CALL_TIME[ms]: 200493, TOOLS_POST_RETURN_APPLICATIONS: 128, TOOLS_POST_RETURN_TIME[ms]: 207, TOOLS_QUANTIFIERELIM_APPLICATIONS: 387, TOOLS_QUANTIFIERELIM_TIME[ms]: 200667, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 68696, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 294, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 51, DOMAIN_JOIN_TIME[ms]: 132799, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 7, DOMAIN_WIDEN_APPLICATIONS: 23, DOMAIN_WIDEN_TIME[ms]: 173767, DOMAIN_ISSUBSETEQ_APPLICATIONS: 28, DOMAIN_ISSUBSETEQ_TIME[ms]: 4054, DOMAIN_ISBOTTOM_APPLICATIONS: 22, DOMAIN_ISBOTTOM_TIME[ms]: 30, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 490309, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 490308, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 28, CALL_SUMMARIZER_APPLICATIONS: 128, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 115, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 114, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 30, DAG_COMPRESSION_PROCESSED_NODES: 263, DAG_COMPRESSION_RETAINED_NODES: 82 - UnprovableResult [Line: 12]: 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 716#(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...