/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label43.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 10:16:52,368 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 10:16:52,371 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 10:16:52,390 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 10:16:52,391 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 10:16:52,392 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 10:16:52,396 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 10:16:52,405 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 10:16:52,409 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 10:16:52,411 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 10:16:52,413 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 10:16:52,415 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 10:16:52,415 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 10:16:52,417 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 10:16:52,420 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 10:16:52,421 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 10:16:52,423 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 10:16:52,424 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 10:16:52,425 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 10:16:52,430 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 10:16:52,434 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 10:16:52,438 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 10:16:52,439 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 10:16:52,440 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 10:16:52,442 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 10:16:52,442 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 10:16:52,442 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 10:16:52,444 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 10:16:52,445 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 10:16:52,446 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 10:16:52,447 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 10:16:52,448 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 10:16:52,449 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 10:16:52,450 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 10:16:52,451 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 10:16:52,451 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 10:16:52,452 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 10:16:52,452 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 10:16:52,452 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 10:16:52,453 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 10:16:52,454 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 10:16:52,455 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 10:16:52,489 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 10:16:52,489 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 10:16:52,490 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 10:16:52,490 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 10:16:52,490 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 10:16:52,491 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 10:16:52,494 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 10:16:52,494 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 10:16:52,494 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 10:16:52,494 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 10:16:52,495 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 10:16:52,495 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 10:16:52,495 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 10:16:52,495 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 10:16:52,495 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 10:16:52,497 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 10:16:52,498 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 10:16:52,498 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 10:16:52,498 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 10:16:52,498 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 10:16:52,498 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 10:16:52,499 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 10:16:52,499 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 10:16:52,499 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 10:16:52,499 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 10:16:52,499 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 10:16:52,500 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 10:16:52,500 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 10:16:52,500 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 10:16:52,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 10:16:52,500 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 10:16:52,503 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 10:16:52,504 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 10:16:52,504 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 10:16:52,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 10:16:52,504 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 10:16:52,505 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 10:16:52,505 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 10:16:52,802 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 10:16:52,815 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 10:16:52,818 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 10:16:52,820 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 10:16:52,820 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 10:16:52,821 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label43.c [2019-11-24 10:16:52,895 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b18f471eb/99d6b03d80e34af4b6233d86704a6be6/FLAG12e7bd30a [2019-11-24 10:16:53,455 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 10:16:53,458 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label43.c [2019-11-24 10:16:53,486 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b18f471eb/99d6b03d80e34af4b6233d86704a6be6/FLAG12e7bd30a [2019-11-24 10:16:53,734 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b18f471eb/99d6b03d80e34af4b6233d86704a6be6 [2019-11-24 10:16:53,743 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 10:16:53,745 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 10:16:53,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 10:16:53,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 10:16:53,749 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 10:16:53,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:53" (1/1) ... [2019-11-24 10:16:53,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@297b1f4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:53, skipping insertion in model container [2019-11-24 10:16:53,753 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:53" (1/1) ... [2019-11-24 10:16:53,761 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 10:16:53,813 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 10:16:54,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:16:54,302 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 10:16:54,432 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:16:54,452 INFO L208 MainTranslator]: Completed translation [2019-11-24 10:16:54,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:54 WrapperNode [2019-11-24 10:16:54,453 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 10:16:54,453 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 10:16:54,453 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 10:16:54,454 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 10:16:54,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:54" (1/1) ... [2019-11-24 10:16:54,478 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:54" (1/1) ... [2019-11-24 10:16:54,540 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 10:16:54,540 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 10:16:54,541 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 10:16:54,541 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 10:16:54,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:54" (1/1) ... [2019-11-24 10:16:54,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:54" (1/1) ... [2019-11-24 10:16:54,555 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:54" (1/1) ... [2019-11-24 10:16:54,555 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:54" (1/1) ... [2019-11-24 10:16:54,574 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:54" (1/1) ... [2019-11-24 10:16:54,593 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:54" (1/1) ... [2019-11-24 10:16:54,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:54" (1/1) ... [2019-11-24 10:16:54,624 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 10:16:54,625 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 10:16:54,625 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 10:16:54,625 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 10:16:54,626 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:54" (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 [2019-11-24 10:16:54,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 10:16:54,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 10:16:56,663 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 10:16:56,663 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-24 10:16:56,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:56 BoogieIcfgContainer [2019-11-24 10:16:56,665 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 10:16:56,665 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 10:16:56,665 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 10:16:56,665 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 10:16:56,667 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:56" (1/1) ... [2019-11-24 10:16:56,667 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-11-24 10:16:56,691 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 10:16:56,691 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 10:16:56,699 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 10:16:56,708 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 10:16:56,709 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 10:17:10,128 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-11-24 10:17:11,980 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:17:13,052 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:17:13,467 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 158 [2019-11-24 10:17:13,576 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 158 [2019-11-24 10:17:13,825 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:17:13,929 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:17:14,042 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:17:14,166 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:17:14,275 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:17:14,384 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:17:14,506 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:17:14,621 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:17:14,735 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:17:14,863 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:17:14,982 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:17:15,100 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:17:15,234 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:17:15,357 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:17:15,480 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:17:15,604 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:17:15,727 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:17:15,849 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:17:15,986 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:17:16,116 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:17:16,257 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:17:16,397 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:17:16,531 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:17:16,664 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:17:16,811 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 170 [2019-11-24 10:17:16,950 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 170 [2019-11-24 10:17:17,089 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:17:17,229 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 169 [2019-11-24 10:17:17,373 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 169 [2019-11-24 10:17:17,510 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:17:17,664 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:17:17,801 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:17:17,938 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:17:18,085 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 170 [2019-11-24 10:17:18,231 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 170 [2019-11-24 10:17:18,374 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:17:18,541 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 170 [2019-11-24 10:17:18,691 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 170 [2019-11-24 10:17:18,833 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:17:18,981 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 171 [2019-11-24 10:17:19,129 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 171 [2019-11-24 10:17:19,277 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-24 10:17:19,430 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-24 10:17:19,586 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-24 10:17:19,738 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-24 10:17:19,741 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 14 [2019-11-24 10:17:19,746 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 14 [2019-11-24 10:17:22,784 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-11-24 10:17:22,923 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-11-24 10:17:23,073 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-11-24 10:17:23,219 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-11-24 10:17:24,728 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-24 10:17:24,744 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-24 10:17:24,773 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-24 10:17:29,832 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:17:30,044 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 159 [2019-11-24 10:17:30,146 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 159 [2019-11-24 10:17:30,359 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:17:30,463 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:17:30,567 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:17:30,683 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:17:30,791 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:17:30,900 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:17:31,029 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 166 [2019-11-24 10:17:31,147 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 166 [2019-11-24 10:17:31,263 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:17:31,393 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:17:31,512 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:17:31,629 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:17:31,760 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2019-11-24 10:17:31,886 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2019-11-24 10:17:32,010 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:17:32,139 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:17:32,265 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:17:32,388 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:17:32,519 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:17:32,648 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:17:32,777 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:17:32,921 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:17:33,057 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:17:33,205 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:17:33,349 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 171 [2019-11-24 10:17:33,497 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 171 [2019-11-24 10:17:33,638 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:17:33,787 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 170 [2019-11-24 10:17:33,930 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 170 [2019-11-24 10:17:34,069 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:17:34,208 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:17:34,351 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:17:34,491 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:17:34,647 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 171 [2019-11-24 10:17:34,793 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 171 [2019-11-24 10:17:34,938 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-24 10:17:35,093 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 172 [2019-11-24 10:17:35,250 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 172 [2019-11-24 10:17:35,401 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-24 10:17:35,570 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-24 10:17:35,724 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-24 10:17:35,878 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-24 10:17:36,050 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 179 [2019-11-24 10:17:36,216 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 179 [2019-11-24 10:17:36,377 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2019-11-24 10:17:36,379 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 14 [2019-11-24 10:17:36,383 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 14 [2019-11-24 10:17:40,273 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-24 10:17:40,292 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-24 10:17:40,317 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 10:17:40,331 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-24 10:17:40,331 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 10:17:40,333 INFO L168 Benchmark]: Toolchain (without parser) took 46587.99 ms. Allocated memory was 138.4 MB in the beginning and 1.1 GB in the end (delta: 1.0 GB). Free memory was 101.4 MB in the beginning and 552.2 MB in the end (delta: -450.8 MB). Peak memory consumption was 556.9 MB. Max. memory is 7.1 GB. [2019-11-24 10:17:40,334 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-11-24 10:17:40,335 INFO L168 Benchmark]: CACSL2BoogieTranslator took 707.54 ms. Allocated memory was 138.4 MB in the beginning and 203.9 MB in the end (delta: 65.5 MB). Free memory was 101.2 MB in the beginning and 170.5 MB in the end (delta: -69.3 MB). Peak memory consumption was 35.3 MB. Max. memory is 7.1 GB. [2019-11-24 10:17:40,335 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.78 ms. Allocated memory is still 203.9 MB. Free memory was 170.5 MB in the beginning and 165.0 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2019-11-24 10:17:40,336 INFO L168 Benchmark]: Boogie Preprocessor took 83.92 ms. Allocated memory is still 203.9 MB. Free memory was 165.0 MB in the beginning and 160.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-11-24 10:17:40,337 INFO L168 Benchmark]: RCFGBuilder took 2040.06 ms. Allocated memory was 203.9 MB in the beginning and 249.0 MB in the end (delta: 45.1 MB). Free memory was 160.3 MB in the beginning and 191.8 MB in the end (delta: -31.5 MB). Peak memory consumption was 115.2 MB. Max. memory is 7.1 GB. [2019-11-24 10:17:40,338 INFO L168 Benchmark]: Sifa took 43666.03 ms. Allocated memory was 249.0 MB in the beginning and 1.1 GB in the end (delta: 897.1 MB). Free memory was 191.8 MB in the beginning and 552.2 MB in the end (delta: -360.5 MB). Peak memory consumption was 536.6 MB. Max. memory is 7.1 GB. [2019-11-24 10:17:40,342 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 707.54 ms. Allocated memory was 138.4 MB in the beginning and 203.9 MB in the end (delta: 65.5 MB). Free memory was 101.2 MB in the beginning and 170.5 MB in the end (delta: -69.3 MB). Peak memory consumption was 35.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 86.78 ms. Allocated memory is still 203.9 MB. Free memory was 170.5 MB in the beginning and 165.0 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 83.92 ms. Allocated memory is still 203.9 MB. Free memory was 165.0 MB in the beginning and 160.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2040.06 ms. Allocated memory was 203.9 MB in the beginning and 249.0 MB in the end (delta: 45.1 MB). Free memory was 160.3 MB in the beginning and 191.8 MB in the end (delta: -31.5 MB). Peak memory consumption was 115.2 MB. Max. memory is 7.1 GB. * Sifa took 43666.03 ms. Allocated memory was 249.0 MB in the beginning and 1.1 GB in the end (delta: 897.1 MB). Free memory was 191.8 MB in the beginning and 552.2 MB in the end (delta: -360.5 MB). Peak memory consumption was 536.6 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]: 43627, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 232, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 675, TOOLS_POST_TIME[ms]: 622, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME[ms]: 0, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 674, TOOLS_QUANTIFIERELIM_TIME[ms]: 457, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 15, FLUID_QUERY_TIME[ms]: 27, FLUID_QUERIES: 727, FLUID_YES_ANSWERS: 310, DOMAIN_JOIN_APPLICATIONS: 232, DOMAIN_JOIN_TIME[ms]: 37440, DOMAIN_ALPHA_APPLICATIONS: 310, DOMAIN_ALPHA_TIME[ms]: 4552, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 273, DOMAIN_ISSUBSETEQ_APPLICATIONS: 16, DOMAIN_ISSUBSETEQ_TIME[ms]: 39, DOMAIN_ISBOTTOM_APPLICATIONS: 232, DOMAIN_ISBOTTOM_TIME[ms]: 444, LOOP_SUMMARIZER_APPLICATIONS: 12, LOOP_SUMMARIZER_CACHE_MISSES: 12, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 42662, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 42661, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 16, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 11, REGEX_TO_DAG_TIME[ms]: 9, DAG_COMPRESSION_TIME[ms]: 107, DAG_COMPRESSION_PROCESSED_NODES: 2275, DAG_COMPRESSION_RETAINED_NODES: 403 - UnprovableResult [Line: 427]: 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 8137#(and (<= 21 ~u~0) (<= ~x~0 24) (<= 6 ~f~0) (<= 1 ~a~0) (= ~a21~0 1) (= ~a25~0 1) (<= 23 ~w~0) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (<= 7 ~a28~0) (= ~a28~0 9) (<= ~a28~0 11) (<= 0 ~a25~0) (<= ~a19~0 1) (= ~a19~0 1) (<= ULTIMATE.start_main_~input~0 6) (<= ULTIMATE.start_calculate_output_~input 6) (= ~a11~0 1) (<= ~a17~0 8) (<= ~w~0 23) (<= 7 ~a17~0) (<= 0 (+ ULTIMATE.start_main_~output~0 2)) (<= 5 ~e~0) (<= ~a~0 1) (<= 1 |ULTIMATE.start_calculate_output_#in~input|) (<= 1 ULTIMATE.start_calculate_output_~input) (<= 1 ~a21~0) (<= ~d~0 4) (<= |ULTIMATE.start_calculate_output_#in~input| 6) (<= 25 ~y~0) (<= ~y~0 25) (<= 22 ~v~0) (<= ~a21~0 1) (<= 0 ~a11~0) (<= ~a25~0 1) (<= ~f~0 6) (<= 0 ~a19~0) (<= ~a11~0 1) (<= 4 ~d~0) (<= ~v~0 22) (<= ~u~0 21) (<= 26 ~z~0) (= ~a17~0 8) (<= ULTIMATE.start_main_~output~0 26) (<= 24 ~x~0) (<= ~e~0 5) (<= 1 ULTIMATE.start_main_~input~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...