/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_label34.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 10:15:54,281 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 10:15:54,283 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 10:15:54,296 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 10:15:54,297 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 10:15:54,298 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 10:15:54,299 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 10:15:54,301 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 10:15:54,302 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 10:15:54,303 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 10:15:54,304 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 10:15:54,305 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 10:15:54,306 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 10:15:54,306 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 10:15:54,307 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 10:15:54,308 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 10:15:54,309 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 10:15:54,310 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 10:15:54,312 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 10:15:54,314 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 10:15:54,315 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 10:15:54,317 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 10:15:54,318 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 10:15:54,319 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 10:15:54,321 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 10:15:54,325 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 10:15:54,325 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 10:15:54,326 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 10:15:54,327 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 10:15:54,328 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 10:15:54,328 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 10:15:54,329 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 10:15:54,329 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 10:15:54,329 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 10:15:54,330 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 10:15:54,331 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 10:15:54,332 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 10:15:54,350 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 10:15:54,350 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 10:15:54,351 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 10:15:54,351 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 10:15:54,353 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 10:15:54,353 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 10:15:54,353 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 10:15:54,354 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 10:15:54,354 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 10:15:54,354 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 10:15:54,354 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 10:15:54,354 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 10:15:54,355 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 10:15:54,356 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 10:15:54,356 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 10:15:54,357 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 10:15:54,357 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 10:15:54,357 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 10:15:54,357 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 10:15:54,358 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 10:15:54,358 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 10:15:54,358 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 10:15:54,358 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 10:15:54,358 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 10:15:54,359 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 10:15:54,359 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 10:15:54,360 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 10:15:54,360 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 10:15:54,360 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 10:15:54,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 10:15:54,360 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 10:15:54,361 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 10:15:54,361 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 10:15:54,361 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 10:15:54,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 10:15:54,361 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 10:15:54,362 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 10:15:54,362 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 10:15:54,645 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 10:15:54,668 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 10:15:54,671 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 10:15:54,673 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 10:15:54,673 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 10:15:54,674 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label34.c [2019-11-24 10:15:54,736 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7a517aac/34ed1956b6ba45cca0ad17549902a251/FLAG91e25fb33 [2019-11-24 10:15:55,298 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 10:15:55,299 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label34.c [2019-11-24 10:15:55,313 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7a517aac/34ed1956b6ba45cca0ad17549902a251/FLAG91e25fb33 [2019-11-24 10:15:55,605 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7a517aac/34ed1956b6ba45cca0ad17549902a251 [2019-11-24 10:15:55,618 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 10:15:55,621 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 10:15:55,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 10:15:55,625 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 10:15:55,629 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 10:15:55,630 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:15:55" (1/1) ... [2019-11-24 10:15:55,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d996306 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:55, skipping insertion in model container [2019-11-24 10:15:55,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:15:55" (1/1) ... [2019-11-24 10:15:55,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 10:15:55,694 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 10:15:56,154 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:15:56,162 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 10:15:56,269 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:15:56,289 INFO L208 MainTranslator]: Completed translation [2019-11-24 10:15:56,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:56 WrapperNode [2019-11-24 10:15:56,289 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 10:15:56,290 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 10:15:56,290 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 10:15:56,290 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 10:15:56,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:56" (1/1) ... [2019-11-24 10:15:56,313 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:56" (1/1) ... [2019-11-24 10:15:56,377 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 10:15:56,378 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 10:15:56,378 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 10:15:56,378 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 10:15:56,390 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:56" (1/1) ... [2019-11-24 10:15:56,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:56" (1/1) ... [2019-11-24 10:15:56,394 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:56" (1/1) ... [2019-11-24 10:15:56,395 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:56" (1/1) ... [2019-11-24 10:15:56,429 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:56" (1/1) ... [2019-11-24 10:15:56,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:56" (1/1) ... [2019-11-24 10:15:56,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:56" (1/1) ... [2019-11-24 10:15:56,473 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 10:15:56,473 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 10:15:56,474 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 10:15:56,474 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 10:15:56,475 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:56" (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 10:15:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 10:15:56,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 10:15:58,508 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 10:15:58,508 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-24 10:15:58,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:15:58 BoogieIcfgContainer [2019-11-24 10:15:58,509 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 10:15:58,510 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 10:15:58,510 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 10:15:58,510 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 10:15:58,511 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:15:58" (1/1) ... [2019-11-24 10:15:58,512 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 10:15:58,536 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 10:15:58,537 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 10:15:58,545 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 10:15:58,554 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 10:15:58,556 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 10:16:02,666 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 126 [2019-11-24 10:16:08,943 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-11-24 10:16:10,809 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 18 [2019-11-24 10:16:11,017 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 18 [2019-11-24 10:16:11,217 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 18 [2019-11-24 10:16:15,527 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:16:15,830 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:16:15,933 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:16:16,035 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:16:16,145 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 164 [2019-11-24 10:16:16,259 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 164 [2019-11-24 10:16:16,367 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:16:16,490 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:16:16,597 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:16:16,704 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:16:16,831 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2019-11-24 10:16:16,946 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2019-11-24 10:16:17,058 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:16:17,180 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:16:17,293 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:16:17,405 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:16:17,527 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 165 [2019-11-24 10:16:17,652 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 165 [2019-11-24 10:16:17,764 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:16:17,894 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:16:18,016 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:16:18,133 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:16:18,261 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:16:18,394 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:16:18,518 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:16:18,657 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-24 10:16:18,787 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-24 10:16:18,927 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-24 10:16:19,075 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-24 10:16:19,210 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-24 10:16:19,344 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-24 10:16:19,492 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-24 10:16:19,631 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-24 10:16:19,771 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-24 10:16:19,916 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-24 10:16:20,062 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-24 10:16:20,206 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-24 10:16:20,360 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-11-24 10:16:20,507 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-11-24 10:16:20,654 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-11-24 10:16:20,808 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-11-24 10:16:20,970 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-11-24 10:16:21,123 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-11-24 10:16:21,296 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 177 [2019-11-24 10:16:21,461 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 177 [2019-11-24 10:16:21,618 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-11-24 10:16:21,776 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 176 [2019-11-24 10:16:21,936 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 176 [2019-11-24 10:16:22,094 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-11-24 10:16:22,258 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-11-24 10:16:22,424 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-11-24 10:16:22,579 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-11-24 10:16:22,745 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 177 [2019-11-24 10:16:22,910 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 177 [2019-11-24 10:16:23,082 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-11-24 10:16:23,257 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 177 [2019-11-24 10:16:23,427 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 177 [2019-11-24 10:16:23,589 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-11-24 10:16:23,758 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 178 [2019-11-24 10:16:23,929 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 178 [2019-11-24 10:16:24,099 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2019-11-24 10:16:24,278 WARN L192 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2019-11-24 10:16:24,452 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2019-11-24 10:16:24,627 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2019-11-24 10:16:24,628 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 21 [2019-11-24 10:16:24,639 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 21 [2019-11-24 10:16:26,384 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-11-24 10:16:26,499 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-11-24 10:16:26,626 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-11-24 10:16:29,179 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 19 [2019-11-24 10:16:29,360 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 19 [2019-11-24 10:16:29,548 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 19 [2019-11-24 10:16:30,597 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-11-24 10:16:34,676 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:16:34,781 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:16:34,886 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:16:34,992 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:16:35,104 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:16:35,209 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:16:35,328 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:16:35,446 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:16:35,557 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:16:35,668 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:16:35,779 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:16:35,891 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:16:36,013 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 166 [2019-11-24 10:16:36,127 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 166 [2019-11-24 10:16:36,242 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:16:36,371 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:16:36,486 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:16:36,600 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:16:36,728 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-24 10:16:36,849 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-24 10:16:36,970 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-24 10:16:37,102 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 173 [2019-11-24 10:16:37,234 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 173 [2019-11-24 10:16:37,361 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-24 10:16:37,620 WARN L192 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-24 10:16:37,776 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-24 10:16:37,907 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-24 10:16:38,045 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 174 [2019-11-24 10:16:38,185 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 174 [2019-11-24 10:16:38,323 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-11-24 10:16:38,468 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-11-24 10:16:38,605 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-11-24 10:16:38,745 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-11-24 10:16:38,889 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-11-24 10:16:39,034 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-11-24 10:16:39,177 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-11-24 10:16:39,333 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-11-24 10:16:39,480 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-11-24 10:16:39,628 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-11-24 10:16:39,786 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 178 [2019-11-24 10:16:39,948 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 178 [2019-11-24 10:16:40,103 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-11-24 10:16:40,269 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 177 [2019-11-24 10:16:40,427 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 177 [2019-11-24 10:16:40,590 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-11-24 10:16:40,745 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-11-24 10:16:40,897 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-11-24 10:16:41,053 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-11-24 10:16:41,219 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 178 [2019-11-24 10:16:41,379 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 178 [2019-11-24 10:16:41,537 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2019-11-24 10:16:41,710 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 179 [2019-11-24 10:16:41,882 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 179 [2019-11-24 10:16:42,047 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2019-11-24 10:16:42,232 WARN L192 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-11-24 10:16:42,402 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-11-24 10:16:42,571 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-11-24 10:16:42,753 WARN L192 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 186 [2019-11-24 10:16:42,934 WARN L192 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 186 [2019-11-24 10:16:43,113 WARN L192 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-11-24 10:16:43,115 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 21 [2019-11-24 10:16:43,127 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 21 [2019-11-24 10:16:46,996 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 19 [2019-11-24 10:16:47,168 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 19 [2019-11-24 10:16:47,353 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 10:16:47,364 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-24 10:16:47,364 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 10:16:47,366 INFO L168 Benchmark]: Toolchain (without parser) took 51744.86 ms. Allocated memory was 143.7 MB in the beginning and 1.1 GB in the end (delta: 925.4 MB). Free memory was 100.1 MB in the beginning and 667.2 MB in the end (delta: -567.1 MB). Peak memory consumption was 358.3 MB. Max. memory is 7.1 GB. [2019-11-24 10:16:47,366 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 143.7 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-11-24 10:16:47,367 INFO L168 Benchmark]: CACSL2BoogieTranslator took 664.37 ms. Allocated memory was 143.7 MB in the beginning and 200.3 MB in the end (delta: 56.6 MB). Free memory was 99.9 MB in the beginning and 163.4 MB in the end (delta: -63.5 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2019-11-24 10:16:47,368 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.79 ms. Allocated memory is still 200.3 MB. Free memory was 163.4 MB in the beginning and 157.7 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. [2019-11-24 10:16:47,369 INFO L168 Benchmark]: Boogie Preprocessor took 95.23 ms. Allocated memory is still 200.3 MB. Free memory was 157.7 MB in the beginning and 153.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-11-24 10:16:47,370 INFO L168 Benchmark]: RCFGBuilder took 2036.05 ms. Allocated memory was 200.3 MB in the beginning and 252.2 MB in the end (delta: 51.9 MB). Free memory was 153.4 MB in the beginning and 194.7 MB in the end (delta: -41.3 MB). Peak memory consumption was 112.1 MB. Max. memory is 7.1 GB. [2019-11-24 10:16:47,370 INFO L168 Benchmark]: Sifa took 48854.42 ms. Allocated memory was 252.2 MB in the beginning and 1.1 GB in the end (delta: 816.8 MB). Free memory was 194.7 MB in the beginning and 667.2 MB in the end (delta: -472.5 MB). Peak memory consumption was 344.3 MB. Max. memory is 7.1 GB. [2019-11-24 10:16:47,374 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 143.7 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 664.37 ms. Allocated memory was 143.7 MB in the beginning and 200.3 MB in the end (delta: 56.6 MB). Free memory was 99.9 MB in the beginning and 163.4 MB in the end (delta: -63.5 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 87.79 ms. Allocated memory is still 200.3 MB. Free memory was 163.4 MB in the beginning and 157.7 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.23 ms. Allocated memory is still 200.3 MB. Free memory was 157.7 MB in the beginning and 153.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2036.05 ms. Allocated memory was 200.3 MB in the beginning and 252.2 MB in the end (delta: 51.9 MB). Free memory was 153.4 MB in the beginning and 194.7 MB in the end (delta: -41.3 MB). Peak memory consumption was 112.1 MB. Max. memory is 7.1 GB. * Sifa took 48854.42 ms. Allocated memory was 252.2 MB in the beginning and 1.1 GB in the end (delta: 816.8 MB). Free memory was 194.7 MB in the beginning and 667.2 MB in the end (delta: -472.5 MB). Peak memory consumption was 344.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 48817, 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]: 631, 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]: 493, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 17, FLUID_QUERY_TIME[ms]: 28, FLUID_QUERIES: 727, FLUID_YES_ANSWERS: 310, DOMAIN_JOIN_APPLICATIONS: 232, DOMAIN_JOIN_TIME[ms]: 41023, DOMAIN_ALPHA_APPLICATIONS: 310, DOMAIN_ALPHA_TIME[ms]: 6101, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 298, DOMAIN_ISSUBSETEQ_APPLICATIONS: 16, DOMAIN_ISSUBSETEQ_TIME[ms]: 49, DOMAIN_ISBOTTOM_APPLICATIONS: 232, DOMAIN_ISBOTTOM_TIME[ms]: 443, LOOP_SUMMARIZER_APPLICATIONS: 12, LOOP_SUMMARIZER_CACHE_MISSES: 12, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 47578, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 47577, 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]: 9, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 119, DAG_COMPRESSION_PROCESSED_NODES: 2183, DAG_COMPRESSION_RETAINED_NODES: 403 - UnprovableResult [Line: 466]: 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 8308#(and (<= 21 ~u~0) (<= ~x~0 24) (<= 6 ~f~0) (<= 1 ~a~0) (= ~a21~0 1) (not (= ~a11~0 1)) (<= 23 ~w~0) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (<= 7 ~a28~0) (= ~a28~0 9) (not (= ~a19~0 1)) (<= ~a28~0 11) (<= 0 ~a25~0) (<= ~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) (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...