/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_label20.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 10:14:12,650 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 10:14:12,653 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 10:14:12,664 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 10:14:12,665 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 10:14:12,666 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 10:14:12,667 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 10:14:12,669 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 10:14:12,677 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 10:14:12,678 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 10:14:12,679 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 10:14:12,680 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 10:14:12,681 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 10:14:12,682 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 10:14:12,683 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 10:14:12,684 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 10:14:12,684 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 10:14:12,685 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 10:14:12,687 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 10:14:12,688 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 10:14:12,690 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 10:14:12,691 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 10:14:12,692 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 10:14:12,693 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 10:14:12,695 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 10:14:12,695 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 10:14:12,695 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 10:14:12,696 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 10:14:12,697 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 10:14:12,697 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 10:14:12,698 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 10:14:12,698 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 10:14:12,699 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 10:14:12,700 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 10:14:12,701 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 10:14:12,701 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 10:14:12,701 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 10:14:12,702 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 10:14:12,702 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 10:14:12,703 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 10:14:12,703 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 10:14:12,704 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 10:14:12,721 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 10:14:12,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 10:14:12,722 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 10:14:12,722 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 10:14:12,722 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 10:14:12,722 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 10:14:12,722 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 10:14:12,723 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 10:14:12,723 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 10:14:12,723 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 10:14:12,723 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 10:14:12,723 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 10:14:12,724 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 10:14:12,724 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 10:14:12,724 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 10:14:12,725 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 10:14:12,725 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 10:14:12,725 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 10:14:12,725 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 10:14:12,725 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 10:14:12,726 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 10:14:12,726 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 10:14:12,726 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 10:14:12,726 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 10:14:12,726 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 10:14:12,727 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 10:14:12,727 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 10:14:12,727 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 10:14:12,727 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 10:14:12,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 10:14:12,728 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 10:14:12,728 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 10:14:12,728 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 10:14:12,728 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 10:14:12,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 10:14:12,729 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 10:14:12,729 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 10:14:12,729 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 10:14:13,014 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 10:14:13,035 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 10:14:13,038 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 10:14:13,040 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 10:14:13,040 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 10:14:13,041 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label20.c [2019-11-24 10:14:13,121 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8e1c8df1/a0c5936e87a740598fc735645e15983b/FLAG3c235b09e [2019-11-24 10:14:13,730 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 10:14:13,733 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label20.c [2019-11-24 10:14:13,747 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8e1c8df1/a0c5936e87a740598fc735645e15983b/FLAG3c235b09e [2019-11-24 10:14:14,017 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8e1c8df1/a0c5936e87a740598fc735645e15983b [2019-11-24 10:14:14,025 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 10:14:14,027 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 10:14:14,028 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 10:14:14,028 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 10:14:14,032 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 10:14:14,033 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:14:14" (1/1) ... [2019-11-24 10:14:14,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@705ef929 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:14:14, skipping insertion in model container [2019-11-24 10:14:14,036 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:14:14" (1/1) ... [2019-11-24 10:14:14,044 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 10:14:14,107 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 10:14:14,771 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:14:14,776 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 10:14:14,857 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:14:14,874 INFO L208 MainTranslator]: Completed translation [2019-11-24 10:14:14,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:14:14 WrapperNode [2019-11-24 10:14:14,874 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 10:14:14,875 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 10:14:14,875 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 10:14:14,875 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 10:14:14,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:14:14" (1/1) ... [2019-11-24 10:14:14,902 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:14:14" (1/1) ... [2019-11-24 10:14:14,961 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 10:14:14,962 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 10:14:14,962 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 10:14:14,962 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 10:14:14,972 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:14:14" (1/1) ... [2019-11-24 10:14:14,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:14:14" (1/1) ... [2019-11-24 10:14:14,976 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:14:14" (1/1) ... [2019-11-24 10:14:14,976 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:14:14" (1/1) ... [2019-11-24 10:14:14,996 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:14:14" (1/1) ... [2019-11-24 10:14:15,007 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:14:14" (1/1) ... [2019-11-24 10:14:15,014 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:14:14" (1/1) ... [2019-11-24 10:14:15,022 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 10:14:15,023 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 10:14:15,023 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 10:14:15,023 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 10:14:15,024 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:14:14" (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 10:14:15,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 10:14:15,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 10:14:17,138 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 10:14:17,138 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-24 10:14:17,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:14:17 BoogieIcfgContainer [2019-11-24 10:14:17,140 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 10:14:17,140 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 10:14:17,140 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 10:14:17,141 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 10:14:17,142 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:14:17" (1/1) ... [2019-11-24 10:14:17,142 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 10:14:17,177 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 10:14:17,178 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 10:14:17,195 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 10:14:17,207 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 10:14:17,209 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 10:14:28,726 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 19 [2019-11-24 10:14:28,850 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 19 [2019-11-24 10:14:28,980 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 19 [2019-11-24 10:14:32,962 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:14:33,298 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:14:33,602 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:14:33,705 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:14:33,810 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:14:33,924 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 164 [2019-11-24 10:14:34,033 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 164 [2019-11-24 10:14:34,141 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:14:34,261 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:14:34,369 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:14:34,475 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:14:34,597 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2019-11-24 10:14:34,712 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2019-11-24 10:14:34,825 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:14:34,950 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:14:35,069 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:14:35,181 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:14:35,312 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 165 [2019-11-24 10:14:35,434 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 165 [2019-11-24 10:14:35,547 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:14:35,678 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:14:35,797 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:14:35,915 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:14:36,052 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:14:36,180 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:14:36,303 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:14:36,441 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-24 10:14:36,570 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-24 10:14:36,700 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-24 10:14:36,849 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-24 10:14:36,986 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-24 10:14:37,120 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-24 10:14:37,265 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-24 10:14:37,404 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-24 10:14:37,543 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-24 10:14:37,691 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-24 10:14:37,833 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-24 10:14:37,970 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-24 10:14:38,122 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-11-24 10:14:38,267 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-11-24 10:14:38,412 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-11-24 10:14:38,563 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-11-24 10:14:38,711 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-11-24 10:14:38,860 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-11-24 10:14:39,027 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 177 [2019-11-24 10:14:39,183 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 177 [2019-11-24 10:14:39,344 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-11-24 10:14:39,500 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 176 [2019-11-24 10:14:39,656 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 176 [2019-11-24 10:14:39,810 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-11-24 10:14:39,978 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-11-24 10:14:40,134 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-11-24 10:14:40,287 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-11-24 10:14:40,450 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 177 [2019-11-24 10:14:40,622 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 177 [2019-11-24 10:14:40,780 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-11-24 10:14:40,955 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 177 [2019-11-24 10:14:41,125 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 177 [2019-11-24 10:14:41,283 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-11-24 10:14:41,448 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 178 [2019-11-24 10:14:41,614 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 178 [2019-11-24 10:14:41,779 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2019-11-24 10:14:41,952 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2019-11-24 10:14:42,122 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2019-11-24 10:14:42,292 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2019-11-24 10:14:42,294 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 21 [2019-11-24 10:14:42,319 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 21 [2019-11-24 10:14:44,150 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-11-24 10:14:44,253 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-11-24 10:14:46,644 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 20 [2019-11-24 10:14:46,756 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 20 [2019-11-24 10:14:46,877 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 20 [2019-11-24 10:14:51,632 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:14:51,833 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:14:51,978 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:14:52,084 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:14:52,191 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:14:52,298 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:14:52,404 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:14:52,510 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:14:52,632 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:14:52,746 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:14:52,860 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:14:52,974 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:14:53,089 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:14:53,201 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:14:53,325 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 166 [2019-11-24 10:14:53,444 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 166 [2019-11-24 10:14:53,556 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:14:53,681 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:14:53,802 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:14:53,919 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:14:54,049 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-24 10:14:54,172 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-24 10:14:54,295 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-24 10:14:54,429 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 173 [2019-11-24 10:14:54,562 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 173 [2019-11-24 10:14:54,694 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-24 10:14:54,841 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-24 10:14:54,974 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-24 10:14:55,107 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-24 10:14:55,248 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 174 [2019-11-24 10:14:55,390 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 174 [2019-11-24 10:14:55,536 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-11-24 10:14:55,687 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-11-24 10:14:55,828 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-11-24 10:14:55,969 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-11-24 10:14:56,116 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-11-24 10:14:56,262 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-11-24 10:14:56,411 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-11-24 10:14:56,570 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-11-24 10:14:56,723 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-11-24 10:14:56,874 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-11-24 10:14:57,034 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 178 [2019-11-24 10:14:57,193 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 178 [2019-11-24 10:14:57,356 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-11-24 10:14:57,523 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 177 [2019-11-24 10:14:57,683 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 177 [2019-11-24 10:14:57,839 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-11-24 10:14:57,996 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-11-24 10:14:58,159 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-11-24 10:14:58,316 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-11-24 10:14:58,486 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 178 [2019-11-24 10:14:58,650 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 178 [2019-11-24 10:14:58,814 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2019-11-24 10:14:58,989 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 179 [2019-11-24 10:14:59,170 WARN L192 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 179 [2019-11-24 10:14:59,340 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2019-11-24 10:14:59,524 WARN L192 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-11-24 10:14:59,699 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-11-24 10:14:59,873 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-11-24 10:15:00,059 WARN L192 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 186 [2019-11-24 10:15:00,245 WARN L192 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 186 [2019-11-24 10:15:00,429 WARN L192 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-11-24 10:15:00,430 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 21 [2019-11-24 10:15:00,450 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 21 [2019-11-24 10:15:04,368 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 20 [2019-11-24 10:15:04,478 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 20 [2019-11-24 10:15:04,601 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 10:15:04,613 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-24 10:15:04,613 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 10:15:04,615 INFO L168 Benchmark]: Toolchain (without parser) took 50588.49 ms. Allocated memory was 140.0 MB in the beginning and 878.2 MB in the end (delta: 738.2 MB). Free memory was 99.8 MB in the beginning and 212.2 MB in the end (delta: -112.4 MB). Peak memory consumption was 625.8 MB. Max. memory is 7.1 GB. [2019-11-24 10:15:04,616 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 140.0 MB. Free memory was 119.6 MB in the beginning and 119.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-11-24 10:15:04,617 INFO L168 Benchmark]: CACSL2BoogieTranslator took 846.68 ms. Allocated memory was 140.0 MB in the beginning and 206.0 MB in the end (delta: 66.1 MB). Free memory was 99.6 MB in the beginning and 166.6 MB in the end (delta: -67.0 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. [2019-11-24 10:15:04,617 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.19 ms. Allocated memory is still 206.0 MB. Free memory was 166.6 MB in the beginning and 161.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. [2019-11-24 10:15:04,618 INFO L168 Benchmark]: Boogie Preprocessor took 61.06 ms. Allocated memory is still 206.0 MB. Free memory was 161.2 MB in the beginning and 156.5 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-11-24 10:15:04,619 INFO L168 Benchmark]: RCFGBuilder took 2117.01 ms. Allocated memory was 206.0 MB in the beginning and 246.4 MB in the end (delta: 40.4 MB). Free memory was 156.5 MB in the beginning and 182.7 MB in the end (delta: -26.2 MB). Peak memory consumption was 106.6 MB. Max. memory is 7.1 GB. [2019-11-24 10:15:04,620 INFO L168 Benchmark]: Sifa took 47473.20 ms. Allocated memory was 246.4 MB in the beginning and 878.2 MB in the end (delta: 631.8 MB). Free memory was 182.7 MB in the beginning and 212.2 MB in the end (delta: -29.5 MB). Peak memory consumption was 602.3 MB. Max. memory is 7.1 GB. [2019-11-24 10:15:04,624 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 140.0 MB. Free memory was 119.6 MB in the beginning and 119.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 846.68 ms. Allocated memory was 140.0 MB in the beginning and 206.0 MB in the end (delta: 66.1 MB). Free memory was 99.6 MB in the beginning and 166.6 MB in the end (delta: -67.0 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 86.19 ms. Allocated memory is still 206.0 MB. Free memory was 166.6 MB in the beginning and 161.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 61.06 ms. Allocated memory is still 206.0 MB. Free memory was 161.2 MB in the beginning and 156.5 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2117.01 ms. Allocated memory was 206.0 MB in the beginning and 246.4 MB in the end (delta: 40.4 MB). Free memory was 156.5 MB in the beginning and 182.7 MB in the end (delta: -26.2 MB). Peak memory consumption was 106.6 MB. Max. memory is 7.1 GB. * Sifa took 47473.20 ms. Allocated memory was 246.4 MB in the beginning and 878.2 MB in the end (delta: 631.8 MB). Free memory was 182.7 MB in the beginning and 212.2 MB in the end (delta: -29.5 MB). Peak memory consumption was 602.3 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]: 47425, 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]: 617, 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]: 487, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 23, FLUID_QUERY_TIME[ms]: 26, FLUID_QUERIES: 727, FLUID_YES_ANSWERS: 310, DOMAIN_JOIN_APPLICATIONS: 232, DOMAIN_JOIN_TIME[ms]: 40505, DOMAIN_ALPHA_APPLICATIONS: 310, DOMAIN_ALPHA_TIME[ms]: 5363, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 218, DOMAIN_ISSUBSETEQ_APPLICATIONS: 16, DOMAIN_ISSUBSETEQ_TIME[ms]: 28, DOMAIN_ISBOTTOM_APPLICATIONS: 232, DOMAIN_ISBOTTOM_TIME[ms]: 399, LOOP_SUMMARIZER_APPLICATIONS: 12, LOOP_SUMMARIZER_CACHE_MISSES: 12, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 46315, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 46314, 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]: 13, REGEX_TO_DAG_TIME[ms]: 9, DAG_COMPRESSION_TIME[ms]: 124, DAG_COMPRESSION_PROCESSED_NODES: 2158, DAG_COMPRESSION_RETAINED_NODES: 403 - UnprovableResult [Line: 469]: 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 8325#(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) (= ~a28~0 7) (<= 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...