/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_label36.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 10:16:02,137 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 10:16:02,139 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 10:16:02,153 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 10:16:02,153 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 10:16:02,154 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 10:16:02,156 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 10:16:02,157 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 10:16:02,159 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 10:16:02,160 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 10:16:02,161 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 10:16:02,162 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 10:16:02,162 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 10:16:02,163 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 10:16:02,164 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 10:16:02,165 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 10:16:02,166 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 10:16:02,167 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 10:16:02,169 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 10:16:02,170 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 10:16:02,172 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 10:16:02,173 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 10:16:02,174 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 10:16:02,175 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 10:16:02,177 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 10:16:02,180 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 10:16:02,181 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 10:16:02,181 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 10:16:02,182 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 10:16:02,183 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 10:16:02,183 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 10:16:02,184 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 10:16:02,184 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 10:16:02,184 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 10:16:02,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 10:16:02,186 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 10:16:02,187 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 10:16:02,201 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 10:16:02,201 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 10:16:02,202 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 10:16:02,202 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 10:16:02,203 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 10:16:02,203 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 10:16:02,203 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 10:16:02,203 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 10:16:02,203 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 10:16:02,204 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 10:16:02,204 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 10:16:02,204 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 10:16:02,204 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 10:16:02,204 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 10:16:02,205 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 10:16:02,205 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 10:16:02,205 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 10:16:02,206 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 10:16:02,206 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 10:16:02,206 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 10:16:02,206 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 10:16:02,206 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 10:16:02,207 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 10:16:02,207 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 10:16:02,207 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 10:16:02,207 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 10:16:02,207 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 10:16:02,208 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 10:16:02,208 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 10:16:02,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 10:16:02,208 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 10:16:02,209 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 10:16:02,209 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 10:16:02,209 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 10:16:02,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 10:16:02,209 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 10:16:02,209 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 10:16:02,210 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 10:16:02,517 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 10:16:02,538 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 10:16:02,541 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 10:16:02,542 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 10:16:02,542 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 10:16:02,543 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label36.c [2019-11-24 10:16:02,606 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01bfd203c/62c27ffc7c304b5c9f16736cb8d057cc/FLAG445c94446 [2019-11-24 10:16:03,114 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 10:16:03,114 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label36.c [2019-11-24 10:16:03,126 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01bfd203c/62c27ffc7c304b5c9f16736cb8d057cc/FLAG445c94446 [2019-11-24 10:16:03,418 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01bfd203c/62c27ffc7c304b5c9f16736cb8d057cc [2019-11-24 10:16:03,432 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 10:16:03,436 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 10:16:03,437 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 10:16:03,437 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 10:16:03,440 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 10:16:03,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:03" (1/1) ... [2019-11-24 10:16:03,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3eaa97f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:03, skipping insertion in model container [2019-11-24 10:16:03,444 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:03" (1/1) ... [2019-11-24 10:16:03,453 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 10:16:03,507 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 10:16:03,990 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:16:04,001 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 10:16:04,189 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:16:04,206 INFO L208 MainTranslator]: Completed translation [2019-11-24 10:16:04,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:04 WrapperNode [2019-11-24 10:16:04,206 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 10:16:04,207 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 10:16:04,207 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 10:16:04,208 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 10:16:04,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:04" (1/1) ... [2019-11-24 10:16:04,234 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:04" (1/1) ... [2019-11-24 10:16:04,290 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 10:16:04,290 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 10:16:04,290 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 10:16:04,291 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 10:16:04,303 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:04" (1/1) ... [2019-11-24 10:16:04,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:04" (1/1) ... [2019-11-24 10:16:04,308 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:04" (1/1) ... [2019-11-24 10:16:04,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:04" (1/1) ... [2019-11-24 10:16:04,326 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:04" (1/1) ... [2019-11-24 10:16:04,339 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:04" (1/1) ... [2019-11-24 10:16:04,344 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:04" (1/1) ... [2019-11-24 10:16:04,350 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 10:16:04,351 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 10:16:04,351 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 10:16:04,351 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 10:16:04,355 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:04" (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 10:16:04,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 10:16:04,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 10:16:06,749 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 10:16:06,750 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-24 10:16:06,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:06 BoogieIcfgContainer [2019-11-24 10:16:06,751 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 10:16:06,752 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 10:16:06,752 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 10:16:06,752 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 10:16:06,756 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:06" (1/1) ... [2019-11-24 10:16:06,757 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 10:16:06,789 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 10:16:06,789 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 10:16:06,802 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 10:16:06,815 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 10:16:06,816 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 10:16:07,257 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-11-24 10:16:11,057 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 126 [2019-11-24 10:16:19,481 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 52 [2019-11-24 10:16:19,656 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 52 [2019-11-24 10:16:19,825 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 52 [2019-11-24 10:16:24,068 WARN L192 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 150 [2019-11-24 10:16:24,314 WARN L192 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 150 [2019-11-24 10:16:24,558 WARN L192 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-11-24 10:16:24,731 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-11-24 10:16:25,018 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 151 [2019-11-24 10:16:25,122 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 151 [2019-11-24 10:16:25,226 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-24 10:16:25,631 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 151 [2019-11-24 10:16:25,733 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 151 [2019-11-24 10:16:25,949 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:16:26,063 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:16:26,166 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:16:26,277 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:16:26,386 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:16:26,503 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:16:26,626 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:16:26,741 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:16:26,856 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:16:26,995 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:16:27,125 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:16:27,244 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:16:27,385 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:16:27,509 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:16:27,632 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:16:27,762 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:16:27,886 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:16:28,010 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:16:28,157 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:16:28,286 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:16:28,415 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:16:28,550 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:16:28,684 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:16:28,818 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:16:28,970 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 163 [2019-11-24 10:16:29,110 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 163 [2019-11-24 10:16:29,250 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:16:29,392 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 162 [2019-11-24 10:16:29,532 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 162 [2019-11-24 10:16:29,671 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:16:29,816 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:16:29,955 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:16:30,093 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:16:30,250 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 163 [2019-11-24 10:16:30,403 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 163 [2019-11-24 10:16:30,547 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:16:30,702 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 163 [2019-11-24 10:16:30,851 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 163 [2019-11-24 10:16:30,994 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:16:31,144 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2019-11-24 10:16:31,295 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2019-11-24 10:16:31,455 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:16:31,610 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:16:31,764 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:16:31,918 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:16:31,919 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-11-24 10:16:31,926 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-11-24 10:16:36,538 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 53 [2019-11-24 10:16:36,694 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 53 [2019-11-24 10:16:36,871 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 53 [2019-11-24 10:16:42,551 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 152 [2019-11-24 10:16:42,928 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:16:43,031 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:16:43,132 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:16:43,247 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:16:43,352 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:16:43,458 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:16:43,573 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 159 [2019-11-24 10:16:43,689 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 159 [2019-11-24 10:16:43,803 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:16:43,929 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:16:44,045 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:16:44,160 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:16:44,282 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 160 [2019-11-24 10:16:44,406 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 160 [2019-11-24 10:16:44,528 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:16:44,656 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:16:44,777 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:16:44,901 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:16:45,035 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:16:45,162 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:16:45,287 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:16:45,427 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:16:45,559 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:16:45,695 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:16:45,837 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 164 [2019-11-24 10:16:45,974 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 164 [2019-11-24 10:16:46,114 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:16:46,273 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 163 [2019-11-24 10:16:46,413 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 163 [2019-11-24 10:16:46,549 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:16:46,684 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:16:46,820 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:16:46,956 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:16:47,106 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 164 [2019-11-24 10:16:47,248 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 164 [2019-11-24 10:16:47,395 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:16:47,546 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 165 [2019-11-24 10:16:47,698 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 165 [2019-11-24 10:16:47,844 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:16:48,006 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:16:48,157 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:16:48,309 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:16:48,472 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 172 [2019-11-24 10:16:48,637 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 172 [2019-11-24 10:16:48,797 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-24 10:16:48,799 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-11-24 10:16:48,804 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-11-24 10:16:52,668 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 53 [2019-11-24 10:16:52,798 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 53 [2019-11-24 10:16:52,936 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 10:16:52,947 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-24 10:16:52,947 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 10:16:52,949 INFO L168 Benchmark]: Toolchain (without parser) took 49513.08 ms. Allocated memory was 144.7 MB in the beginning and 1.1 GB in the end (delta: 918.0 MB). Free memory was 101.1 MB in the beginning and 227.9 MB in the end (delta: -126.8 MB). Peak memory consumption was 791.3 MB. Max. memory is 7.1 GB. [2019-11-24 10:16:52,950 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-11-24 10:16:52,951 INFO L168 Benchmark]: CACSL2BoogieTranslator took 769.98 ms. Allocated memory was 144.7 MB in the beginning and 204.5 MB in the end (delta: 59.8 MB). Free memory was 100.9 MB in the beginning and 169.3 MB in the end (delta: -68.4 MB). Peak memory consumption was 30.0 MB. Max. memory is 7.1 GB. [2019-11-24 10:16:52,951 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.88 ms. Allocated memory is still 204.5 MB. Free memory was 169.3 MB in the beginning and 163.5 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. [2019-11-24 10:16:52,952 INFO L168 Benchmark]: Boogie Preprocessor took 60.28 ms. Allocated memory is still 204.5 MB. Free memory was 163.5 MB in the beginning and 159.1 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-11-24 10:16:52,953 INFO L168 Benchmark]: RCFGBuilder took 2400.24 ms. Allocated memory was 204.5 MB in the beginning and 253.8 MB in the end (delta: 49.3 MB). Free memory was 159.1 MB in the beginning and 197.0 MB in the end (delta: -37.8 MB). Peak memory consumption was 113.6 MB. Max. memory is 7.1 GB. [2019-11-24 10:16:52,954 INFO L168 Benchmark]: Sifa took 46195.78 ms. Allocated memory was 253.8 MB in the beginning and 1.1 GB in the end (delta: 809.0 MB). Free memory was 197.0 MB in the beginning and 227.9 MB in the end (delta: -30.9 MB). Peak memory consumption was 778.1 MB. Max. memory is 7.1 GB. [2019-11-24 10:16:52,962 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 769.98 ms. Allocated memory was 144.7 MB in the beginning and 204.5 MB in the end (delta: 59.8 MB). Free memory was 100.9 MB in the beginning and 169.3 MB in the end (delta: -68.4 MB). Peak memory consumption was 30.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 82.88 ms. Allocated memory is still 204.5 MB. Free memory was 169.3 MB in the beginning and 163.5 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 60.28 ms. Allocated memory is still 204.5 MB. Free memory was 163.5 MB in the beginning and 159.1 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2400.24 ms. Allocated memory was 204.5 MB in the beginning and 253.8 MB in the end (delta: 49.3 MB). Free memory was 159.1 MB in the beginning and 197.0 MB in the end (delta: -37.8 MB). Peak memory consumption was 113.6 MB. Max. memory is 7.1 GB. * Sifa took 46195.78 ms. Allocated memory was 253.8 MB in the beginning and 1.1 GB in the end (delta: 809.0 MB). Free memory was 197.0 MB in the beginning and 227.9 MB in the end (delta: -30.9 MB). Peak memory consumption was 778.1 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]: 46148, 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]: 594, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME[ms]: 0, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 674, TOOLS_QUANTIFIERELIM_TIME[ms]: 452, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 14, FLUID_QUERY_TIME[ms]: 28, FLUID_QUERIES: 727, FLUID_YES_ANSWERS: 310, DOMAIN_JOIN_APPLICATIONS: 232, DOMAIN_JOIN_TIME[ms]: 38693, DOMAIN_ALPHA_APPLICATIONS: 310, DOMAIN_ALPHA_TIME[ms]: 5812, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 276, DOMAIN_ISSUBSETEQ_APPLICATIONS: 16, DOMAIN_ISSUBSETEQ_TIME[ms]: 41, DOMAIN_ISBOTTOM_APPLICATIONS: 232, DOMAIN_ISBOTTOM_TIME[ms]: 451, LOOP_SUMMARIZER_APPLICATIONS: 12, LOOP_SUMMARIZER_CACHE_MISSES: 12, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 44957, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 44953, 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]: 8, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 115, DAG_COMPRESSION_PROCESSED_NODES: 2153, DAG_COMPRESSION_RETAINED_NODES: 403 - UnprovableResult [Line: 568]: 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 8213#(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) (not (= ~a19~0 1)) (<= ~a28~0 11) (<= 0 ~a25~0) (<= ~a19~0 1) (<= ULTIMATE.start_main_~input~0 6) (<= ULTIMATE.start_calculate_output_~input 6) (<= ~a17~0 8) (<= ~w~0 23) (<= 7 ~a17~0) (<= 0 (+ ULTIMATE.start_main_~output~0 2)) (<= 5 ~e~0) (<= ~a~0 1) (<= 1 |ULTIMATE.start_calculate_output_#in~input|) (<= 1 ULTIMATE.start_calculate_output_~input) (= ~a28~0 10) (<= 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...