/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_label26.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 10:15:00,309 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 10:15:00,312 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 10:15:00,330 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 10:15:00,330 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 10:15:00,332 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 10:15:00,334 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 10:15:00,343 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 10:15:00,347 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 10:15:00,349 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 10:15:00,351 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 10:15:00,353 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 10:15:00,353 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 10:15:00,354 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 10:15:00,357 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 10:15:00,358 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 10:15:00,359 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 10:15:00,360 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 10:15:00,361 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 10:15:00,365 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 10:15:00,369 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 10:15:00,373 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 10:15:00,374 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 10:15:00,375 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 10:15:00,377 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 10:15:00,377 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 10:15:00,377 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 10:15:00,379 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 10:15:00,382 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 10:15:00,383 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 10:15:00,383 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 10:15:00,385 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 10:15:00,386 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 10:15:00,386 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 10:15:00,388 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 10:15:00,388 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 10:15:00,388 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 10:15:00,389 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 10:15:00,389 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 10:15:00,389 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 10:15:00,391 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 10:15:00,391 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 10:15:00,417 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 10:15:00,417 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 10:15:00,418 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 10:15:00,418 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 10:15:00,418 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 10:15:00,418 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 10:15:00,419 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 10:15:00,419 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 10:15:00,419 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 10:15:00,419 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 10:15:00,419 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 10:15:00,420 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 10:15:00,420 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 10:15:00,420 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 10:15:00,420 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 10:15:00,421 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 10:15:00,421 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 10:15:00,421 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 10:15:00,421 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 10:15:00,422 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 10:15:00,422 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 10:15:00,422 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 10:15:00,422 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 10:15:00,422 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 10:15:00,423 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 10:15:00,423 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 10:15:00,423 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 10:15:00,423 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 10:15:00,424 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 10:15:00,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 10:15:00,424 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 10:15:00,424 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 10:15:00,424 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 10:15:00,425 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 10:15:00,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 10:15:00,425 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 10:15:00,425 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 10:15:00,425 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 10:15:00,732 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 10:15:00,749 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 10:15:00,753 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 10:15:00,754 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 10:15:00,754 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 10:15:00,755 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label26.c [2019-11-24 10:15:00,832 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c3d2cc71/8a248894d0d946d9a0a70e059ab3f837/FLAG75e719f54 [2019-11-24 10:15:01,388 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 10:15:01,388 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label26.c [2019-11-24 10:15:01,403 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c3d2cc71/8a248894d0d946d9a0a70e059ab3f837/FLAG75e719f54 [2019-11-24 10:15:01,713 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c3d2cc71/8a248894d0d946d9a0a70e059ab3f837 [2019-11-24 10:15:01,721 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 10:15:01,722 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 10:15:01,723 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 10:15:01,723 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 10:15:01,726 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 10:15:01,727 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:15:01" (1/1) ... [2019-11-24 10:15:01,730 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65406c00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:01, skipping insertion in model container [2019-11-24 10:15:01,730 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:15:01" (1/1) ... [2019-11-24 10:15:01,737 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 10:15:01,788 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 10:15:02,306 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:15:02,312 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 10:15:02,403 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:15:02,424 INFO L208 MainTranslator]: Completed translation [2019-11-24 10:15:02,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:02 WrapperNode [2019-11-24 10:15:02,425 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 10:15:02,425 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 10:15:02,425 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 10:15:02,425 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 10:15:02,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:02" (1/1) ... [2019-11-24 10:15:02,451 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:02" (1/1) ... [2019-11-24 10:15:02,513 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 10:15:02,513 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 10:15:02,513 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 10:15:02,513 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 10:15:02,522 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:02" (1/1) ... [2019-11-24 10:15:02,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:02" (1/1) ... [2019-11-24 10:15:02,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:02" (1/1) ... [2019-11-24 10:15:02,526 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:02" (1/1) ... [2019-11-24 10:15:02,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:02" (1/1) ... [2019-11-24 10:15:02,560 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:02" (1/1) ... [2019-11-24 10:15:02,567 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:02" (1/1) ... [2019-11-24 10:15:02,578 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 10:15:02,579 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 10:15:02,579 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 10:15:02,579 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 10:15:02,580 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:02" (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 10:15:02,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 10:15:02,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 10:15:04,560 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 10:15:04,561 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-24 10:15:04,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:15:04 BoogieIcfgContainer [2019-11-24 10:15:04,562 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 10:15:04,563 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 10:15:04,563 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 10:15:04,563 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 10:15:04,564 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:15:04" (1/1) ... [2019-11-24 10:15:04,565 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 10:15:04,594 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 10:15:04,595 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 10:15:04,607 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 10:15:04,618 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 10:15:04,619 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 10:15:07,028 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-11-24 10:15:08,092 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-11-24 10:15:08,364 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 109 [2019-11-24 10:15:08,470 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 109 [2019-11-24 10:15:08,576 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-11-24 10:15:08,818 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-11-24 10:15:08,922 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-11-24 10:15:09,183 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-11-24 10:15:09,287 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-11-24 10:15:09,401 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-11-24 10:15:09,526 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-11-24 10:15:09,648 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-11-24 10:15:09,961 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 126 [2019-11-24 10:15:18,883 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 56 [2019-11-24 10:15:19,066 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 56 [2019-11-24 10:15:19,270 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 56 [2019-11-24 10:15:21,339 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2019-11-24 10:15:23,752 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-11-24 10:15:24,251 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-11-24 10:15:24,661 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 147 [2019-11-24 10:15:24,765 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 147 [2019-11-24 10:15:24,870 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-11-24 10:15:25,020 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-24 10:15:25,123 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-24 10:15:25,227 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-24 10:15:25,348 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-24 10:15:25,456 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-24 10:15:25,564 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-24 10:15:25,685 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-24 10:15:25,800 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-24 10:15:25,913 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-24 10:15:26,040 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 10:15:26,158 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 10:15:26,276 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 10:15:26,416 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:15:26,539 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:15:26,661 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:15:26,784 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:15:26,907 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:15:27,029 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:15:27,167 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:15:27,296 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:15:27,427 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:15:27,561 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:15:27,695 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:15:27,829 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:15:27,979 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 159 [2019-11-24 10:15:28,119 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 159 [2019-11-24 10:15:28,258 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:15:28,403 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 158 [2019-11-24 10:15:28,552 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 158 [2019-11-24 10:15:28,693 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:15:28,855 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:15:29,000 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:15:29,139 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:15:29,292 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 159 [2019-11-24 10:15:29,439 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 159 [2019-11-24 10:15:29,587 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:15:29,747 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 159 [2019-11-24 10:15:29,896 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 159 [2019-11-24 10:15:30,040 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:15:30,191 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2019-11-24 10:15:30,343 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2019-11-24 10:15:30,494 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:15:30,649 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:15:30,817 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:15:30,972 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:15:33,989 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-11-24 10:15:34,149 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-11-24 10:15:34,294 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-11-24 10:15:35,974 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 57 [2019-11-24 10:15:36,158 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 57 [2019-11-24 10:15:36,375 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 57 [2019-11-24 10:15:41,876 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-24 10:15:41,978 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-24 10:15:42,080 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-24 10:15:42,200 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-24 10:15:42,306 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-24 10:15:42,413 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-24 10:15:42,530 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 155 [2019-11-24 10:15:42,648 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 155 [2019-11-24 10:15:42,764 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 10:15:42,889 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:15:43,006 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:15:43,130 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:15:43,254 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 156 [2019-11-24 10:15:43,379 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 156 [2019-11-24 10:15:43,501 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:15:43,632 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:15:43,754 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:15:43,876 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:15:44,005 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:15:44,133 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:15:44,271 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:15:44,412 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:15:44,544 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:15:44,677 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:15:44,817 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 160 [2019-11-24 10:15:44,954 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 160 [2019-11-24 10:15:45,092 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:15:45,241 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 159 [2019-11-24 10:15:45,384 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 159 [2019-11-24 10:15:45,528 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:15:45,665 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:15:45,802 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:15:45,939 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:15:46,088 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 160 [2019-11-24 10:15:46,231 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 160 [2019-11-24 10:15:46,374 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:15:46,529 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 161 [2019-11-24 10:15:46,685 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 161 [2019-11-24 10:15:46,834 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:15:46,999 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:15:47,154 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:15:47,307 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:15:47,472 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 168 [2019-11-24 10:15:47,637 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 168 [2019-11-24 10:15:47,800 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:15:51,900 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 57 [2019-11-24 10:15:52,038 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 57 [2019-11-24 10:15:52,186 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 10:15:52,197 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-24 10:15:52,197 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 10:15:52,199 INFO L168 Benchmark]: Toolchain (without parser) took 50476.63 ms. Allocated memory was 146.8 MB in the beginning and 1.1 GB in the end (delta: 906.0 MB). Free memory was 102.6 MB in the beginning and 436.7 MB in the end (delta: -334.0 MB). Peak memory consumption was 571.9 MB. Max. memory is 7.1 GB. [2019-11-24 10:15:52,199 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 146.8 MB. Free memory is still 122.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-11-24 10:15:52,200 INFO L168 Benchmark]: CACSL2BoogieTranslator took 701.90 ms. Allocated memory was 146.8 MB in the beginning and 205.0 MB in the end (delta: 58.2 MB). Free memory was 102.6 MB in the beginning and 168.1 MB in the end (delta: -65.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. [2019-11-24 10:15:52,201 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.58 ms. Allocated memory is still 205.0 MB. Free memory was 168.1 MB in the beginning and 162.3 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. [2019-11-24 10:15:52,202 INFO L168 Benchmark]: Boogie Preprocessor took 65.47 ms. Allocated memory is still 205.0 MB. Free memory was 162.3 MB in the beginning and 157.5 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-11-24 10:15:52,203 INFO L168 Benchmark]: RCFGBuilder took 1983.39 ms. Allocated memory was 205.0 MB in the beginning and 245.9 MB in the end (delta: 40.9 MB). Free memory was 157.5 MB in the beginning and 176.0 MB in the end (delta: -18.5 MB). Peak memory consumption was 106.0 MB. Max. memory is 7.1 GB. [2019-11-24 10:15:52,203 INFO L168 Benchmark]: Sifa took 47634.78 ms. Allocated memory was 245.9 MB in the beginning and 1.1 GB in the end (delta: 806.9 MB). Free memory was 176.0 MB in the beginning and 436.7 MB in the end (delta: -260.7 MB). Peak memory consumption was 546.2 MB. Max. memory is 7.1 GB. [2019-11-24 10:15:52,208 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 146.8 MB. Free memory is still 122.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 701.90 ms. Allocated memory was 146.8 MB in the beginning and 205.0 MB in the end (delta: 58.2 MB). Free memory was 102.6 MB in the beginning and 168.1 MB in the end (delta: -65.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 87.58 ms. Allocated memory is still 205.0 MB. Free memory was 168.1 MB in the beginning and 162.3 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 65.47 ms. Allocated memory is still 205.0 MB. Free memory was 162.3 MB in the beginning and 157.5 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1983.39 ms. Allocated memory was 205.0 MB in the beginning and 245.9 MB in the end (delta: 40.9 MB). Free memory was 157.5 MB in the beginning and 176.0 MB in the end (delta: -18.5 MB). Peak memory consumption was 106.0 MB. Max. memory is 7.1 GB. * Sifa took 47634.78 ms. Allocated memory was 245.9 MB in the beginning and 1.1 GB in the end (delta: 806.9 MB). Free memory was 176.0 MB in the beginning and 436.7 MB in the end (delta: -260.7 MB). Peak memory consumption was 546.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 47592, 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]: 663, 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]: 526, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 29, FLUID_QUERY_TIME[ms]: 31, FLUID_QUERIES: 727, FLUID_YES_ANSWERS: 310, DOMAIN_JOIN_APPLICATIONS: 232, DOMAIN_JOIN_TIME[ms]: 39544, DOMAIN_ALPHA_APPLICATIONS: 310, DOMAIN_ALPHA_TIME[ms]: 6311, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 332, DOMAIN_ISSUBSETEQ_APPLICATIONS: 16, DOMAIN_ISSUBSETEQ_TIME[ms]: 35, DOMAIN_ISBOTTOM_APPLICATIONS: 232, DOMAIN_ISBOTTOM_TIME[ms]: 399, LOOP_SUMMARIZER_APPLICATIONS: 12, LOOP_SUMMARIZER_CACHE_MISSES: 12, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 46382, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 46378, 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]: 8, DAG_COMPRESSION_TIME[ms]: 133, DAG_COMPRESSION_PROCESSED_NODES: 2198, DAG_COMPRESSION_RETAINED_NODES: 403 - UnprovableResult [Line: 580]: 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 8134#(and (<= 21 ~u~0) (<= ~x~0 24) (<= 6 ~f~0) (<= 1 ~a~0) (not (= ~a11~0 1)) (= ~a21~0 1) (<= 23 ~w~0) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (<= 7 ~a28~0) (<= ~a28~0 11) (<= 0 ~a25~0) (<= ~a19~0 1) (= ~a19~0 1) (<= ULTIMATE.start_main_~input~0 6) (<= ULTIMATE.start_calculate_output_~input 6) (<= ~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) (= ~a28~0 10) (<= 1 ~a21~0) (<= ~d~0 4) (not (= ~a25~0 1)) (<= |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) (= ~a17~0 7) (<= 4 ~d~0) (<= ~v~0 22) (<= ~u~0 21) (<= 26 ~z~0) (<= 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...