/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_label23.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 10:14:43,290 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 10:14:43,293 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 10:14:43,306 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 10:14:43,306 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 10:14:43,307 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 10:14:43,308 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 10:14:43,310 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 10:14:43,312 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 10:14:43,313 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 10:14:43,314 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 10:14:43,315 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 10:14:43,315 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 10:14:43,316 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 10:14:43,317 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 10:14:43,318 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 10:14:43,319 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 10:14:43,320 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 10:14:43,321 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 10:14:43,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 10:14:43,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 10:14:43,326 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 10:14:43,327 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 10:14:43,328 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 10:14:43,330 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 10:14:43,330 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 10:14:43,330 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 10:14:43,331 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 10:14:43,332 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 10:14:43,333 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 10:14:43,333 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 10:14:43,333 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 10:14:43,334 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 10:14:43,335 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 10:14:43,336 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 10:14:43,336 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 10:14:43,337 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 10:14:43,337 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 10:14:43,337 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 10:14:43,338 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 10:14:43,339 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 10:14:43,340 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 10:14:43,354 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 10:14:43,354 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 10:14:43,355 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 10:14:43,355 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 10:14:43,356 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 10:14:43,356 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 10:14:43,356 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 10:14:43,356 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 10:14:43,356 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 10:14:43,357 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 10:14:43,357 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 10:14:43,357 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 10:14:43,357 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 10:14:43,357 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 10:14:43,358 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 10:14:43,358 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 10:14:43,358 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 10:14:43,358 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 10:14:43,360 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 10:14:43,360 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 10:14:43,360 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 10:14:43,360 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 10:14:43,360 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 10:14:43,361 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 10:14:43,361 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 10:14:43,361 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 10:14:43,361 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 10:14:43,361 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 10:14:43,362 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 10:14:43,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 10:14:43,362 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 10:14:43,363 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 10:14:43,363 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 10:14:43,363 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 10:14:43,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 10:14:43,363 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 10:14:43,364 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 10:14:43,364 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 10:14:43,663 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 10:14:43,686 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 10:14:43,690 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 10:14:43,691 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 10:14:43,691 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 10:14:43,692 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label23.c [2019-11-24 10:14:43,763 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/045e96aae/c26b63376f114b48a422bb44b7f98c92/FLAGc38e05a41 [2019-11-24 10:14:44,401 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 10:14:44,405 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label23.c [2019-11-24 10:14:44,421 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/045e96aae/c26b63376f114b48a422bb44b7f98c92/FLAGc38e05a41 [2019-11-24 10:14:44,637 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/045e96aae/c26b63376f114b48a422bb44b7f98c92 [2019-11-24 10:14:44,647 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 10:14:44,649 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 10:14:44,650 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 10:14:44,650 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 10:14:44,654 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 10:14:44,654 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:14:44" (1/1) ... [2019-11-24 10:14:44,657 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6da0f10a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:14:44, skipping insertion in model container [2019-11-24 10:14:44,658 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:14:44" (1/1) ... [2019-11-24 10:14:44,666 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 10:14:44,723 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 10:14:45,226 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:14:45,231 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 10:14:45,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:14:45,360 INFO L208 MainTranslator]: Completed translation [2019-11-24 10:14:45,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:14:45 WrapperNode [2019-11-24 10:14:45,361 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 10:14:45,362 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 10:14:45,362 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 10:14:45,362 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 10:14:45,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:14:45" (1/1) ... [2019-11-24 10:14:45,388 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:14:45" (1/1) ... [2019-11-24 10:14:45,442 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 10:14:45,444 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 10:14:45,444 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 10:14:45,444 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 10:14:45,455 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:14:45" (1/1) ... [2019-11-24 10:14:45,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:14:45" (1/1) ... [2019-11-24 10:14:45,465 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:14:45" (1/1) ... [2019-11-24 10:14:45,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:14:45" (1/1) ... [2019-11-24 10:14:45,492 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:14:45" (1/1) ... [2019-11-24 10:14:45,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:14:45" (1/1) ... [2019-11-24 10:14:45,521 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:14:45" (1/1) ... [2019-11-24 10:14:45,534 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 10:14:45,534 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 10:14:45,534 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 10:14:45,534 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 10:14:45,535 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:14:45" (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 10:14:45,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 10:14:45,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 10:14:47,434 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 10:14:47,434 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-24 10:14:47,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:14:47 BoogieIcfgContainer [2019-11-24 10:14:47,436 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 10:14:47,436 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 10:14:47,437 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 10:14:47,437 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 10:14:47,438 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:14:47" (1/1) ... [2019-11-24 10:14:47,438 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 10:14:47,465 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 10:14:47,465 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 10:14:47,474 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 10:14:47,483 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 10:14:47,484 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 10:14:58,983 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 53 [2019-11-24 10:14:59,202 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 53 [2019-11-24 10:14:59,451 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 53 [2019-11-24 10:15:02,519 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-11-24 10:15:03,119 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-11-24 10:15:03,301 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-11-24 10:15:03,966 WARN L192 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 149 [2019-11-24 10:15:04,226 WARN L192 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 149 [2019-11-24 10:15:04,487 WARN L192 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-11-24 10:15:04,783 WARN L192 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-11-24 10:15:05,040 WARN L192 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-11-24 10:15:05,199 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-11-24 10:15:05,316 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 150 [2019-11-24 10:15:05,419 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 150 [2019-11-24 10:15:05,521 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-11-24 10:15:05,652 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-11-24 10:15:05,955 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 150 [2019-11-24 10:15:06,072 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 150 [2019-11-24 10:15:06,176 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-11-24 10:15:06,303 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 10:15:06,410 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 10:15:06,517 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 10:15:06,629 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:15:06,739 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:15:06,851 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:15:06,976 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:15:07,093 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:15:07,212 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:15:07,335 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:15:07,451 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:15:07,572 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:15:07,704 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:15:07,832 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:15:07,958 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:15:08,086 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:15:08,227 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:15:08,352 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:15:08,501 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:15:08,628 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:15:08,756 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:15:08,888 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:15:09,027 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:15:09,159 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:15:09,319 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 162 [2019-11-24 10:15:09,465 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 162 [2019-11-24 10:15:09,610 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:15:09,754 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 161 [2019-11-24 10:15:09,895 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 161 [2019-11-24 10:15:10,031 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:15:10,187 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:15:10,323 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:15:10,470 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:15:10,615 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 162 [2019-11-24 10:15:10,762 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 162 [2019-11-24 10:15:10,903 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:15:11,060 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 162 [2019-11-24 10:15:11,206 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 162 [2019-11-24 10:15:11,347 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:15:11,504 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 163 [2019-11-24 10:15:11,653 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 163 [2019-11-24 10:15:11,803 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:15:11,956 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:15:12,111 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:15:12,267 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:15:12,269 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2019-11-24 10:15:12,277 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2019-11-24 10:15:17,407 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 54 [2019-11-24 10:15:17,599 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 54 [2019-11-24 10:15:17,801 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 54 [2019-11-24 10:15:22,841 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-24 10:15:23,314 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 157 [2019-11-24 10:15:23,485 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 157 [2019-11-24 10:15:23,619 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 155 [2019-11-24 10:15:23,740 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:15:23,848 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:15:23,958 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:15:24,088 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 158 [2019-11-24 10:15:24,209 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 158 [2019-11-24 10:15:24,325 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:15:24,450 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:15:24,564 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:15:24,678 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:15:24,799 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 159 [2019-11-24 10:15:24,922 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 159 [2019-11-24 10:15:25,042 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:15:25,169 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:15:25,296 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:15:25,419 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:15:25,549 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:15:25,675 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:15:25,799 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:15:25,937 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:15:26,067 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:15:26,201 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:15:26,337 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 163 [2019-11-24 10:15:26,479 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 163 [2019-11-24 10:15:26,614 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:15:26,762 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 162 [2019-11-24 10:15:26,901 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 162 [2019-11-24 10:15:27,037 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:15:27,173 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:15:27,307 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:15:27,441 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:15:27,600 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 163 [2019-11-24 10:15:27,751 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 163 [2019-11-24 10:15:27,896 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:15:28,045 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 164 [2019-11-24 10:15:28,194 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 164 [2019-11-24 10:15:28,339 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:15:28,501 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:15:28,652 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:15:28,801 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:15:28,968 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 171 [2019-11-24 10:15:29,130 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 171 [2019-11-24 10:15:29,292 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-24 10:15:29,294 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2019-11-24 10:15:29,300 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2019-11-24 10:15:33,200 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 54 [2019-11-24 10:15:33,397 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 54 [2019-11-24 10:15:33,603 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 10:15:33,615 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-24 10:15:33,615 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 10:15:33,617 INFO L168 Benchmark]: Toolchain (without parser) took 48968.00 ms. Allocated memory was 144.7 MB in the beginning and 1.1 GB in the end (delta: 947.9 MB). Free memory was 101.1 MB in the beginning and 133.4 MB in the end (delta: -32.4 MB). Peak memory consumption was 915.5 MB. Max. memory is 7.1 GB. [2019-11-24 10:15:33,618 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-11-24 10:15:33,619 INFO L168 Benchmark]: CACSL2BoogieTranslator took 711.25 ms. Allocated memory was 144.7 MB in the beginning and 203.4 MB in the end (delta: 58.7 MB). Free memory was 100.9 MB in the beginning and 165.8 MB in the end (delta: -65.0 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. [2019-11-24 10:15:33,620 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.26 ms. Allocated memory is still 203.4 MB. Free memory was 165.8 MB in the beginning and 160.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. [2019-11-24 10:15:33,620 INFO L168 Benchmark]: Boogie Preprocessor took 89.71 ms. Allocated memory is still 203.4 MB. Free memory was 160.2 MB in the beginning and 155.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-11-24 10:15:33,621 INFO L168 Benchmark]: RCFGBuilder took 1901.93 ms. Allocated memory was 203.4 MB in the beginning and 250.1 MB in the end (delta: 46.7 MB). Free memory was 155.9 MB in the beginning and 191.8 MB in the end (delta: -35.9 MB). Peak memory consumption was 111.5 MB. Max. memory is 7.1 GB. [2019-11-24 10:15:33,622 INFO L168 Benchmark]: Sifa took 46178.86 ms. Allocated memory was 250.1 MB in the beginning and 1.1 GB in the end (delta: 842.5 MB). Free memory was 191.8 MB in the beginning and 133.4 MB in the end (delta: 58.4 MB). Peak memory consumption was 900.9 MB. Max. memory is 7.1 GB. [2019-11-24 10:15:33,627 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 711.25 ms. Allocated memory was 144.7 MB in the beginning and 203.4 MB in the end (delta: 58.7 MB). Free memory was 100.9 MB in the beginning and 165.8 MB in the end (delta: -65.0 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 82.26 ms. Allocated memory is still 203.4 MB. Free memory was 165.8 MB in the beginning and 160.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.71 ms. Allocated memory is still 203.4 MB. Free memory was 160.2 MB in the beginning and 155.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1901.93 ms. Allocated memory was 203.4 MB in the beginning and 250.1 MB in the end (delta: 46.7 MB). Free memory was 155.9 MB in the beginning and 191.8 MB in the end (delta: -35.9 MB). Peak memory consumption was 111.5 MB. Max. memory is 7.1 GB. * Sifa took 46178.86 ms. Allocated memory was 250.1 MB in the beginning and 1.1 GB in the end (delta: 842.5 MB). Free memory was 191.8 MB in the beginning and 133.4 MB in the end (delta: 58.4 MB). Peak memory consumption was 900.9 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]: 46139, 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]: 591, 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]: 452, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 22, FLUID_QUERY_TIME[ms]: 27, FLUID_QUERIES: 727, FLUID_YES_ANSWERS: 310, DOMAIN_JOIN_APPLICATIONS: 232, DOMAIN_JOIN_TIME[ms]: 38163, DOMAIN_ALPHA_APPLICATIONS: 310, DOMAIN_ALPHA_TIME[ms]: 6413, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 254, DOMAIN_ISSUBSETEQ_APPLICATIONS: 16, DOMAIN_ISSUBSETEQ_TIME[ms]: 39, DOMAIN_ISBOTTOM_APPLICATIONS: 232, DOMAIN_ISBOTTOM_TIME[ms]: 422, LOOP_SUMMARIZER_APPLICATIONS: 12, LOOP_SUMMARIZER_CACHE_MISSES: 12, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 44792, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 44792, 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]: 3, PATH_EXPR_TIME[ms]: 15, REGEX_TO_DAG_TIME[ms]: 9, DAG_COMPRESSION_TIME[ms]: 98, DAG_COMPRESSION_PROCESSED_NODES: 2153, DAG_COMPRESSION_RETAINED_NODES: 403 - UnprovableResult [Line: 571]: 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 8193#(and (<= 21 ~u~0) (<= ~x~0 24) (<= 6 ~f~0) (<= 1 ~a~0) (not (= ~a11~0 1)) (= ~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) (<= ~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) (= ~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...