/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_label18.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 10:14:08,160 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 10:14:08,163 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 10:14:08,179 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 10:14:08,179 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 10:14:08,180 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 10:14:08,182 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 10:14:08,183 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 10:14:08,185 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 10:14:08,186 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 10:14:08,187 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 10:14:08,188 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 10:14:08,188 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 10:14:08,189 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 10:14:08,190 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 10:14:08,191 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 10:14:08,192 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 10:14:08,192 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 10:14:08,194 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 10:14:08,196 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 10:14:08,197 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 10:14:08,198 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 10:14:08,200 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 10:14:08,200 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 10:14:08,202 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 10:14:08,205 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 10:14:08,206 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 10:14:08,207 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 10:14:08,207 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 10:14:08,208 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 10:14:08,208 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 10:14:08,209 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 10:14:08,209 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 10:14:08,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 10:14:08,210 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 10:14:08,211 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 10:14:08,212 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 10:14:08,231 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 10:14:08,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 10:14:08,232 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 10:14:08,232 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 10:14:08,233 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 10:14:08,233 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 10:14:08,233 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 10:14:08,233 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 10:14:08,233 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 10:14:08,233 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 10:14:08,234 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 10:14:08,234 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 10:14:08,234 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 10:14:08,234 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 10:14:08,234 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 10:14:08,235 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 10:14:08,235 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 10:14:08,235 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 10:14:08,236 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 10:14:08,236 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 10:14:08,236 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 10:14:08,236 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 10:14:08,236 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 10:14:08,236 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 10:14:08,237 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 10:14:08,237 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 10:14:08,237 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 10:14:08,237 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 10:14:08,238 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 10:14:08,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 10:14:08,238 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 10:14:08,238 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 10:14:08,238 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 10:14:08,239 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 10:14:08,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 10:14:08,239 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 10:14:08,239 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 10:14:08,239 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 10:14:08,490 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 10:14:08,508 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 10:14:08,511 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 10:14:08,513 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 10:14:08,513 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 10:14:08,514 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label18.c [2019-11-24 10:14:08,582 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/249575192/152e1e0e1bc540faa3e62acf55ebf72c/FLAGb6ae88bfa [2019-11-24 10:14:09,147 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 10:14:09,148 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label18.c [2019-11-24 10:14:09,166 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/249575192/152e1e0e1bc540faa3e62acf55ebf72c/FLAGb6ae88bfa [2019-11-24 10:14:09,479 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/249575192/152e1e0e1bc540faa3e62acf55ebf72c [2019-11-24 10:14:09,487 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 10:14:09,489 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 10:14:09,490 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 10:14:09,490 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 10:14:09,493 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 10:14:09,494 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:14:09" (1/1) ... [2019-11-24 10:14:09,497 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@182f03c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:14:09, skipping insertion in model container [2019-11-24 10:14:09,497 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:14:09" (1/1) ... [2019-11-24 10:14:09,504 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 10:14:09,555 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 10:14:10,043 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:14:10,048 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 10:14:10,137 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:14:10,160 INFO L208 MainTranslator]: Completed translation [2019-11-24 10:14:10,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:14:10 WrapperNode [2019-11-24 10:14:10,160 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 10:14:10,161 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 10:14:10,161 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 10:14:10,162 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 10:14:10,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:14:10" (1/1) ... [2019-11-24 10:14:10,186 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:14:10" (1/1) ... [2019-11-24 10:14:10,244 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 10:14:10,245 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 10:14:10,245 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 10:14:10,245 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 10:14:10,255 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:14:10" (1/1) ... [2019-11-24 10:14:10,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:14:10" (1/1) ... [2019-11-24 10:14:10,260 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:14:10" (1/1) ... [2019-11-24 10:14:10,260 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:14:10" (1/1) ... [2019-11-24 10:14:10,280 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:14:10" (1/1) ... [2019-11-24 10:14:10,292 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:14:10" (1/1) ... [2019-11-24 10:14:10,298 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:14:10" (1/1) ... [2019-11-24 10:14:10,307 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 10:14:10,307 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 10:14:10,307 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 10:14:10,308 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 10:14:10,308 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:14:10" (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 10:14:10,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 10:14:10,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 10:14:12,311 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 10:14:12,311 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-24 10:14:12,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:14:12 BoogieIcfgContainer [2019-11-24 10:14:12,313 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 10:14:12,313 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 10:14:12,313 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 10:14:12,313 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 10:14:12,315 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:14:12" (1/1) ... [2019-11-24 10:14:12,315 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 10:14:12,338 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 10:14:12,338 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 10:14:12,346 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 10:14:12,354 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 10:14:12,355 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 10:14:12,727 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-11-24 10:14:24,412 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 47 [2019-11-24 10:14:24,669 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 47 [2019-11-24 10:14:24,924 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 47 [2019-11-24 10:14:29,329 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 153 [2019-11-24 10:14:29,925 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 154 [2019-11-24 10:14:30,030 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 154 [2019-11-24 10:14:30,152 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 10:14:30,264 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 10:14:30,368 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 10:14:30,471 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 10:14:30,581 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 154 [2019-11-24 10:14:30,688 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 154 [2019-11-24 10:14:30,789 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 10:14:30,921 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:14:31,028 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:14:31,139 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:14:31,262 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:14:31,376 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:14:31,496 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:14:31,624 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:14:31,744 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:14:31,864 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:14:32,000 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:14:32,137 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:14:32,262 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:14:32,409 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:14:32,545 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:14:32,683 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:14:32,816 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:14:32,946 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:14:33,076 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:14:33,223 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:14:33,357 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:14:33,492 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:14:33,634 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:14:33,775 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:14:33,915 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:14:34,071 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 166 [2019-11-24 10:14:34,220 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 166 [2019-11-24 10:14:34,371 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:14:34,518 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 165 [2019-11-24 10:14:34,666 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 165 [2019-11-24 10:14:34,812 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:14:34,974 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:14:35,121 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:14:35,266 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:14:35,423 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 166 [2019-11-24 10:14:35,577 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 166 [2019-11-24 10:14:35,742 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:14:35,903 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 166 [2019-11-24 10:14:36,060 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 166 [2019-11-24 10:14:36,210 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:14:36,368 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 167 [2019-11-24 10:14:36,531 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 167 [2019-11-24 10:14:36,688 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:14:36,849 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:14:37,011 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:14:37,173 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:14:37,174 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 11 [2019-11-24 10:14:37,183 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 11 [2019-11-24 10:14:41,458 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 48 [2019-11-24 10:14:41,648 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 48 [2019-11-24 10:14:41,864 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 48 [2019-11-24 10:14:46,657 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:14:46,960 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:14:47,272 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 155 [2019-11-24 10:14:47,376 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 155 [2019-11-24 10:14:47,478 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:14:47,595 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:14:47,700 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:14:47,812 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:14:47,939 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:14:48,051 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:14:48,163 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:14:48,285 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 162 [2019-11-24 10:14:48,406 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 162 [2019-11-24 10:14:48,523 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:14:48,654 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:14:48,776 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:14:48,896 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:14:49,027 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2019-11-24 10:14:49,156 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2019-11-24 10:14:49,284 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:14:49,418 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:14:49,545 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:14:49,672 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:14:49,805 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:14:49,938 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:14:50,079 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:14:50,226 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:14:50,364 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:14:50,503 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:14:50,650 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 167 [2019-11-24 10:14:50,793 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 167 [2019-11-24 10:14:50,938 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:14:51,092 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 166 [2019-11-24 10:14:51,241 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 166 [2019-11-24 10:14:51,383 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:14:51,526 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:14:51,667 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:14:51,808 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:14:51,966 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 167 [2019-11-24 10:14:52,116 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 167 [2019-11-24 10:14:52,264 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:14:52,429 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 168 [2019-11-24 10:14:52,586 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 168 [2019-11-24 10:14:52,739 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:14:52,909 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:14:53,075 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:14:53,233 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:14:53,403 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 175 [2019-11-24 10:14:53,574 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 175 [2019-11-24 10:14:53,741 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-11-24 10:14:53,742 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 11 [2019-11-24 10:14:53,750 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 11 [2019-11-24 10:14:55,711 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-11-24 10:14:55,843 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-11-24 10:14:55,977 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-11-24 10:14:57,948 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 48 [2019-11-24 10:14:58,091 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 48 [2019-11-24 10:14:58,254 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 10:14:58,265 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-24 10:14:58,265 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 10:14:58,267 INFO L168 Benchmark]: Toolchain (without parser) took 48778.38 ms. Allocated memory was 146.3 MB in the beginning and 1.0 GB in the end (delta: 898.1 MB). Free memory was 103.1 MB in the beginning and 301.3 MB in the end (delta: -198.2 MB). Peak memory consumption was 700.0 MB. Max. memory is 7.1 GB. [2019-11-24 10:14:58,267 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 146.3 MB. Free memory is still 122.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-11-24 10:14:58,268 INFO L168 Benchmark]: CACSL2BoogieTranslator took 670.82 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 102.9 MB in the beginning and 167.7 MB in the end (delta: -64.8 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2019-11-24 10:14:58,269 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.32 ms. Allocated memory is still 204.5 MB. Free memory was 167.7 MB in the beginning and 162.3 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2019-11-24 10:14:58,270 INFO L168 Benchmark]: Boogie Preprocessor took 62.19 ms. Allocated memory is still 204.5 MB. Free memory was 162.3 MB in the beginning and 157.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-11-24 10:14:58,270 INFO L168 Benchmark]: RCFGBuilder took 2005.42 ms. Allocated memory was 204.5 MB in the beginning and 250.1 MB in the end (delta: 45.6 MB). Free memory was 157.4 MB in the beginning and 187.2 MB in the end (delta: -29.7 MB). Peak memory consumption was 111.9 MB. Max. memory is 7.1 GB. [2019-11-24 10:14:58,271 INFO L168 Benchmark]: Sifa took 45952.42 ms. Allocated memory was 250.1 MB in the beginning and 1.0 GB in the end (delta: 794.3 MB). Free memory was 187.2 MB in the beginning and 301.3 MB in the end (delta: -114.1 MB). Peak memory consumption was 680.2 MB. Max. memory is 7.1 GB. [2019-11-24 10:14:58,281 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 146.3 MB. Free memory is still 122.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 670.82 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 102.9 MB in the beginning and 167.7 MB in the end (delta: -64.8 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 83.32 ms. Allocated memory is still 204.5 MB. Free memory was 167.7 MB in the beginning and 162.3 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 62.19 ms. Allocated memory is still 204.5 MB. Free memory was 162.3 MB in the beginning and 157.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2005.42 ms. Allocated memory was 204.5 MB in the beginning and 250.1 MB in the end (delta: 45.6 MB). Free memory was 157.4 MB in the beginning and 187.2 MB in the end (delta: -29.7 MB). Peak memory consumption was 111.9 MB. Max. memory is 7.1 GB. * Sifa took 45952.42 ms. Allocated memory was 250.1 MB in the beginning and 1.0 GB in the end (delta: 794.3 MB). Free memory was 187.2 MB in the beginning and 301.3 MB in the end (delta: -114.1 MB). Peak memory consumption was 680.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 45917, 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]: 588, 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]: 455, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 24, FLUID_QUERY_TIME[ms]: 28, FLUID_QUERIES: 727, FLUID_YES_ANSWERS: 310, DOMAIN_JOIN_APPLICATIONS: 232, DOMAIN_JOIN_TIME[ms]: 38349, DOMAIN_ALPHA_APPLICATIONS: 310, DOMAIN_ALPHA_TIME[ms]: 6039, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 246, DOMAIN_ISSUBSETEQ_APPLICATIONS: 16, DOMAIN_ISSUBSETEQ_TIME[ms]: 30, DOMAIN_ISBOTTOM_APPLICATIONS: 232, DOMAIN_ISBOTTOM_TIME[ms]: 415, LOOP_SUMMARIZER_APPLICATIONS: 12, LOOP_SUMMARIZER_CACHE_MISSES: 12, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 44740, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 44739, 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]: 8, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 104, DAG_COMPRESSION_PROCESSED_NODES: 2153, DAG_COMPRESSION_RETAINED_NODES: 403 - UnprovableResult [Line: 553]: 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 8211#(and (<= 21 ~u~0) (<= ~x~0 24) (<= 6 ~f~0) (<= 1 ~a~0) (= ~a21~0 1) (<= 23 ~w~0) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (<= 7 ~a28~0) (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) (= ~a11~0 1) (<= ~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|) (= ~a28~0 11) (<= 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...