/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_label22.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 10:14:33,129 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 10:14:33,132 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 10:14:33,143 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 10:14:33,144 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 10:14:33,145 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 10:14:33,146 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 10:14:33,148 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 10:14:33,149 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 10:14:33,150 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 10:14:33,151 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 10:14:33,152 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 10:14:33,152 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 10:14:33,153 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 10:14:33,154 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 10:14:33,155 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 10:14:33,156 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 10:14:33,157 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 10:14:33,159 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 10:14:33,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 10:14:33,162 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 10:14:33,163 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 10:14:33,164 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 10:14:33,165 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 10:14:33,167 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 10:14:33,170 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 10:14:33,171 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 10:14:33,172 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 10:14:33,172 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 10:14:33,173 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 10:14:33,174 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 10:14:33,174 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 10:14:33,174 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 10:14:33,175 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 10:14:33,175 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 10:14:33,176 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 10:14:33,177 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 10:14:33,192 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 10:14:33,192 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 10:14:33,193 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 10:14:33,193 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 10:14:33,193 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 10:14:33,194 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 10:14:33,194 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 10:14:33,194 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 10:14:33,194 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 10:14:33,194 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 10:14:33,195 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 10:14:33,195 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 10:14:33,195 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 10:14:33,195 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 10:14:33,195 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 10:14:33,196 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 10:14:33,196 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 10:14:33,196 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 10:14:33,197 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 10:14:33,197 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 10:14:33,197 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 10:14:33,197 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 10:14:33,197 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 10:14:33,198 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 10:14:33,198 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 10:14:33,198 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 10:14:33,198 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 10:14:33,198 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 10:14:33,199 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 10:14:33,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 10:14:33,199 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 10:14:33,199 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 10:14:33,199 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 10:14:33,200 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 10:14:33,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 10:14:33,200 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 10:14:33,200 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 10:14:33,200 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 10:14:33,450 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 10:14:33,465 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 10:14:33,468 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 10:14:33,470 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 10:14:33,470 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 10:14:33,471 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label22.c [2019-11-24 10:14:33,542 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0574a116e/925aab1a130546c4a5d0f56c8d61fc3b/FLAG5c5757599 [2019-11-24 10:14:34,087 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 10:14:34,088 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label22.c [2019-11-24 10:14:34,105 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0574a116e/925aab1a130546c4a5d0f56c8d61fc3b/FLAG5c5757599 [2019-11-24 10:14:34,382 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0574a116e/925aab1a130546c4a5d0f56c8d61fc3b [2019-11-24 10:14:34,392 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 10:14:34,393 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 10:14:34,394 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 10:14:34,395 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 10:14:34,398 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 10:14:34,399 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:14:34" (1/1) ... [2019-11-24 10:14:34,402 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18c1a41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:14:34, skipping insertion in model container [2019-11-24 10:14:34,402 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:14:34" (1/1) ... [2019-11-24 10:14:34,410 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 10:14:34,462 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 10:14:34,947 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:14:34,951 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 10:14:35,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:14:35,088 INFO L208 MainTranslator]: Completed translation [2019-11-24 10:14:35,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:14:35 WrapperNode [2019-11-24 10:14:35,088 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 10:14:35,089 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 10:14:35,089 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 10:14:35,090 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 10:14:35,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:14:35" (1/1) ... [2019-11-24 10:14:35,113 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:14:35" (1/1) ... [2019-11-24 10:14:35,181 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 10:14:35,182 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 10:14:35,182 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 10:14:35,182 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 10:14:35,190 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:14:35" (1/1) ... [2019-11-24 10:14:35,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:14:35" (1/1) ... [2019-11-24 10:14:35,194 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:14:35" (1/1) ... [2019-11-24 10:14:35,195 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:14:35" (1/1) ... [2019-11-24 10:14:35,218 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:14:35" (1/1) ... [2019-11-24 10:14:35,230 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:14:35" (1/1) ... [2019-11-24 10:14:35,236 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:14:35" (1/1) ... [2019-11-24 10:14:35,245 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 10:14:35,245 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 10:14:35,245 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 10:14:35,246 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 10:14:35,249 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:14:35" (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 10:14:35,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 10:14:35,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 10:14:37,456 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 10:14:37,457 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-24 10:14:37,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:14:37 BoogieIcfgContainer [2019-11-24 10:14:37,458 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 10:14:37,459 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 10:14:37,459 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 10:14:37,459 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 10:14:37,460 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:14:37" (1/1) ... [2019-11-24 10:14:37,461 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 10:14:37,491 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 10:14:37,492 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 10:14:37,503 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 10:14:37,516 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 10:14:37,520 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 10:14:41,818 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 126 [2019-11-24 10:14:50,595 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 17 [2019-11-24 10:14:50,696 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 17 [2019-11-24 10:14:54,905 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:14:55,406 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:14:55,512 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:14:55,617 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:14:55,731 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2019-11-24 10:14:55,847 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2019-11-24 10:14:55,977 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:14:56,104 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:14:56,214 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:14:56,325 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:14:56,442 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 166 [2019-11-24 10:14:56,558 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 166 [2019-11-24 10:14:56,678 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:14:56,821 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:14:56,936 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:14:57,064 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:14:57,189 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 166 [2019-11-24 10:14:57,308 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 166 [2019-11-24 10:14:57,424 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:14:57,558 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:14:57,679 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:14:57,798 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:14:57,925 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-24 10:14:58,052 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-24 10:14:58,188 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-24 10:14:58,332 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-24 10:14:58,463 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-24 10:14:58,594 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-24 10:14:58,742 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-24 10:14:58,880 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-24 10:14:59,015 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-24 10:14:59,174 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-11-24 10:14:59,316 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-11-24 10:14:59,458 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-11-24 10:14:59,600 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-11-24 10:14:59,742 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-11-24 10:14:59,884 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-11-24 10:15:00,042 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-11-24 10:15:00,193 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-11-24 10:15:00,341 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-11-24 10:15:00,494 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-11-24 10:15:00,647 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-11-24 10:15:00,800 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-11-24 10:15:00,971 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 178 [2019-11-24 10:15:01,174 WARN L192 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 178 [2019-11-24 10:15:01,345 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-11-24 10:15:01,507 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 177 [2019-11-24 10:15:01,665 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 177 [2019-11-24 10:15:01,822 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-11-24 10:15:01,998 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-11-24 10:15:02,156 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-11-24 10:15:02,313 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-11-24 10:15:02,483 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 178 [2019-11-24 10:15:02,650 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 178 [2019-11-24 10:15:02,815 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2019-11-24 10:15:02,993 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 178 [2019-11-24 10:15:03,169 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 178 [2019-11-24 10:15:03,348 WARN L192 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2019-11-24 10:15:03,519 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 179 [2019-11-24 10:15:03,696 WARN L192 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 179 [2019-11-24 10:15:03,870 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2019-11-24 10:15:04,046 WARN L192 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-11-24 10:15:04,222 WARN L192 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-11-24 10:15:04,397 WARN L192 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-11-24 10:15:04,399 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 22 [2019-11-24 10:15:04,422 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 22 [2019-11-24 10:15:08,739 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 18 [2019-11-24 10:15:08,822 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 18 [2019-11-24 10:15:13,111 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:15:13,413 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:15:13,523 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:15:13,627 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:15:13,744 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:15:13,853 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:15:13,963 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:15:14,076 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:15:14,187 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:15:14,299 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:15:14,424 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:15:14,539 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:15:14,654 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:15:14,769 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:15:14,885 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:15:14,999 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:15:15,127 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 167 [2019-11-24 10:15:15,244 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 167 [2019-11-24 10:15:15,359 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:15:15,493 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-24 10:15:15,612 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-24 10:15:15,732 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-24 10:15:16,037 WARN L192 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-24 10:15:16,369 WARN L192 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-24 10:15:16,552 WARN L192 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-24 10:15:16,688 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 174 [2019-11-24 10:15:16,824 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 174 [2019-11-24 10:15:16,957 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-24 10:15:17,103 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-11-24 10:15:17,240 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-11-24 10:15:17,377 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-11-24 10:15:17,520 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 175 [2019-11-24 10:15:17,665 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 175 [2019-11-24 10:15:17,809 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-11-24 10:15:17,959 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-11-24 10:15:18,102 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-11-24 10:15:18,252 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-11-24 10:15:18,403 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-11-24 10:15:18,554 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-11-24 10:15:18,710 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-11-24 10:15:18,873 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-11-24 10:15:19,028 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-11-24 10:15:19,184 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-11-24 10:15:19,346 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 179 [2019-11-24 10:15:19,510 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 179 [2019-11-24 10:15:19,670 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2019-11-24 10:15:19,842 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 178 [2019-11-24 10:15:20,007 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 178 [2019-11-24 10:15:20,167 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2019-11-24 10:15:20,327 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2019-11-24 10:15:20,486 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2019-11-24 10:15:20,653 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2019-11-24 10:15:20,829 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 179 [2019-11-24 10:15:20,994 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 179 [2019-11-24 10:15:21,160 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2019-11-24 10:15:21,338 WARN L192 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 180 [2019-11-24 10:15:21,515 WARN L192 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 180 [2019-11-24 10:15:21,698 WARN L192 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-11-24 10:15:21,884 WARN L192 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-11-24 10:15:22,063 WARN L192 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-11-24 10:15:22,240 WARN L192 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-11-24 10:15:22,439 WARN L192 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 187 [2019-11-24 10:15:22,629 WARN L192 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 187 [2019-11-24 10:15:22,815 WARN L192 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-11-24 10:15:22,816 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 22 [2019-11-24 10:15:22,830 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 22 [2019-11-24 10:15:27,216 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 18 [2019-11-24 10:15:27,297 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 18 [2019-11-24 10:15:27,396 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 10:15:27,410 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-24 10:15:27,410 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 10:15:27,416 INFO L168 Benchmark]: Toolchain (without parser) took 53018.72 ms. Allocated memory was 135.8 MB in the beginning and 1.1 GB in the end (delta: 953.2 MB). Free memory was 98.6 MB in the beginning and 857.3 MB in the end (delta: -758.7 MB). Peak memory consumption was 194.5 MB. Max. memory is 7.1 GB. [2019-11-24 10:15:27,417 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 135.8 MB. Free memory was 119.0 MB in the beginning and 118.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-24 10:15:27,419 INFO L168 Benchmark]: CACSL2BoogieTranslator took 694.33 ms. Allocated memory was 135.8 MB in the beginning and 201.9 MB in the end (delta: 66.1 MB). Free memory was 98.4 MB in the beginning and 168.5 MB in the end (delta: -70.1 MB). Peak memory consumption was 35.2 MB. Max. memory is 7.1 GB. [2019-11-24 10:15:27,422 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.51 ms. Allocated memory is still 201.9 MB. Free memory was 168.5 MB in the beginning and 163.4 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2019-11-24 10:15:27,422 INFO L168 Benchmark]: Boogie Preprocessor took 62.95 ms. Allocated memory is still 201.9 MB. Free memory was 163.4 MB in the beginning and 158.3 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2019-11-24 10:15:27,425 INFO L168 Benchmark]: RCFGBuilder took 2213.06 ms. Allocated memory was 201.9 MB in the beginning and 256.9 MB in the end (delta: 55.1 MB). Free memory was 158.3 MB in the beginning and 208.9 MB in the end (delta: -50.6 MB). Peak memory consumption was 115.5 MB. Max. memory is 7.1 GB. [2019-11-24 10:15:27,431 INFO L168 Benchmark]: Sifa took 49951.62 ms. Allocated memory was 256.9 MB in the beginning and 1.1 GB in the end (delta: 832.0 MB). Free memory was 208.9 MB in the beginning and 857.3 MB in the end (delta: -648.4 MB). Peak memory consumption was 183.6 MB. Max. memory is 7.1 GB. [2019-11-24 10:15:27,435 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 135.8 MB. Free memory was 119.0 MB in the beginning and 118.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 694.33 ms. Allocated memory was 135.8 MB in the beginning and 201.9 MB in the end (delta: 66.1 MB). Free memory was 98.4 MB in the beginning and 168.5 MB in the end (delta: -70.1 MB). Peak memory consumption was 35.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 92.51 ms. Allocated memory is still 201.9 MB. Free memory was 168.5 MB in the beginning and 163.4 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 62.95 ms. Allocated memory is still 201.9 MB. Free memory was 163.4 MB in the beginning and 158.3 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2213.06 ms. Allocated memory was 201.9 MB in the beginning and 256.9 MB in the end (delta: 55.1 MB). Free memory was 158.3 MB in the beginning and 208.9 MB in the end (delta: -50.6 MB). Peak memory consumption was 115.5 MB. Max. memory is 7.1 GB. * Sifa took 49951.62 ms. Allocated memory was 256.9 MB in the beginning and 1.1 GB in the end (delta: 832.0 MB). Free memory was 208.9 MB in the beginning and 857.3 MB in the end (delta: -648.4 MB). Peak memory consumption was 183.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 49905, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 232, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 756, TOOLS_POST_TIME[ms]: 579, 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: 671, TOOLS_QUANTIFIERELIM_TIME[ms]: 438, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 24, FLUID_QUERY_TIME[ms]: 26, FLUID_QUERIES: 820, FLUID_YES_ANSWERS: 308, DOMAIN_JOIN_APPLICATIONS: 230, DOMAIN_JOIN_TIME[ms]: 42485, DOMAIN_ALPHA_APPLICATIONS: 308, DOMAIN_ALPHA_TIME[ms]: 5660, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 352, DOMAIN_ISSUBSETEQ_APPLICATIONS: 20, DOMAIN_ISSUBSETEQ_TIME[ms]: 38, DOMAIN_ISBOTTOM_APPLICATIONS: 232, DOMAIN_ISBOTTOM_TIME[ms]: 435, LOOP_SUMMARIZER_APPLICATIONS: 16, LOOP_SUMMARIZER_CACHE_MISSES: 16, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 48786, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 48786, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 20, 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]: 5, PATH_EXPR_TIME[ms]: 11, REGEX_TO_DAG_TIME[ms]: 9, DAG_COMPRESSION_TIME[ms]: 199, DAG_COMPRESSION_PROCESSED_NODES: 3479, DAG_COMPRESSION_RETAINED_NODES: 569 - UnprovableResult [Line: 463]: 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 8234#(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 8) (<= ~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) (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...