/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/nla-digbench/geo1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 16:44:35,530 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 16:44:35,533 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 16:44:35,550 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 16:44:35,550 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 16:44:35,552 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 16:44:35,555 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 16:44:35,564 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 16:44:35,568 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 16:44:35,571 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 16:44:35,573 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 16:44:35,574 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 16:44:35,575 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 16:44:35,577 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 16:44:35,579 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 16:44:35,580 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 16:44:35,582 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 16:44:35,582 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 16:44:35,584 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 16:44:35,588 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 16:44:35,593 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 16:44:35,597 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 16:44:35,598 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 16:44:35,599 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 16:44:35,601 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 16:44:35,603 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 16:44:35,604 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 16:44:35,604 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 16:44:35,605 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 16:44:35,606 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 16:44:35,606 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 16:44:35,607 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 16:44:35,607 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 16:44:35,607 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 16:44:35,608 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 16:44:35,608 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 16:44:35,609 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 16:44:35,623 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 16:44:35,623 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 16:44:35,624 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 16:44:35,624 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 16:44:35,624 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 16:44:35,625 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 16:44:35,625 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 16:44:35,625 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 16:44:35,625 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 16:44:35,625 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 16:44:35,625 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 16:44:35,626 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 16:44:35,626 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 16:44:35,626 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 16:44:35,626 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 16:44:35,627 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 16:44:35,627 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 16:44:35,627 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 16:44:35,627 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 16:44:35,627 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 16:44:35,628 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 16:44:35,628 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 16:44:35,628 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 16:44:35,628 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 16:44:35,628 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 16:44:35,629 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 16:44:35,629 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 16:44:35,629 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 16:44:35,629 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 16:44:35,629 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 16:44:35,630 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 16:44:35,630 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 16:44:35,630 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 16:44:35,630 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 16:44:35,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 16:44:35,631 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 16:44:35,631 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 16:44:35,631 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 16:44:35,930 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 16:44:35,950 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 16:44:35,953 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 16:44:35,954 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 16:44:35,955 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 16:44:35,955 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/geo1.c [2019-11-24 16:44:36,019 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/397f13d9e/7892c9545ec0412c9ab7c5995e8a0f07/FLAGd52335e9a [2019-11-24 16:44:36,429 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 16:44:36,429 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/geo1.c [2019-11-24 16:44:36,436 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/397f13d9e/7892c9545ec0412c9ab7c5995e8a0f07/FLAGd52335e9a [2019-11-24 16:44:36,806 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/397f13d9e/7892c9545ec0412c9ab7c5995e8a0f07 [2019-11-24 16:44:36,815 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 16:44:36,816 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 16:44:36,817 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 16:44:36,817 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 16:44:36,822 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 16:44:36,823 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:44:36" (1/1) ... [2019-11-24 16:44:36,826 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12624927 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:44:36, skipping insertion in model container [2019-11-24 16:44:36,827 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:44:36" (1/1) ... [2019-11-24 16:44:36,834 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 16:44:36,851 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 16:44:37,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:44:37,042 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 16:44:37,063 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:44:37,078 INFO L208 MainTranslator]: Completed translation [2019-11-24 16:44:37,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:44:37 WrapperNode [2019-11-24 16:44:37,079 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 16:44:37,079 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 16:44:37,080 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 16:44:37,080 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 16:44:37,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:44:37" (1/1) ... [2019-11-24 16:44:37,095 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:44:37" (1/1) ... [2019-11-24 16:44:37,192 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 16:44:37,192 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 16:44:37,192 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 16:44:37,192 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 16:44:37,200 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:44:37" (1/1) ... [2019-11-24 16:44:37,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:44:37" (1/1) ... [2019-11-24 16:44:37,201 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:44:37" (1/1) ... [2019-11-24 16:44:37,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:44:37" (1/1) ... [2019-11-24 16:44:37,207 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:44:37" (1/1) ... [2019-11-24 16:44:37,214 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:44:37" (1/1) ... [2019-11-24 16:44:37,215 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:44:37" (1/1) ... [2019-11-24 16:44:37,217 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 16:44:37,217 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 16:44:37,218 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 16:44:37,218 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 16:44:37,218 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:44:37" (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 16:44:37,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 16:44:37,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 16:44:37,467 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 16:44:37,467 INFO L284 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-24 16:44:37,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:44:37 BoogieIcfgContainer [2019-11-24 16:44:37,468 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 16:44:37,469 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 16:44:37,469 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 16:44:37,469 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 16:44:37,470 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:44:37" (1/1) ... [2019-11-24 16:44:37,470 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 16:44:37,491 INFO L159 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-11-24 16:44:37,491 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 16:44:37,499 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 16:44:37,505 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 16:44:37,506 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 16:44:42,527 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 16:44:42,553 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-24 16:44:42,554 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 16:44:42,558 INFO L168 Benchmark]: Toolchain (without parser) took 5739.24 ms. Allocated memory was 136.8 MB in the beginning and 200.8 MB in the end (delta: 64.0 MB). Free memory was 101.6 MB in the beginning and 96.5 MB in the end (delta: 5.2 MB). Peak memory consumption was 69.1 MB. Max. memory is 7.1 GB. [2019-11-24 16:44:42,560 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 136.8 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-11-24 16:44:42,562 INFO L168 Benchmark]: CACSL2BoogieTranslator took 262.06 ms. Allocated memory is still 136.8 MB. Free memory was 101.4 MB in the beginning and 91.9 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-11-24 16:44:42,563 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.51 ms. Allocated memory was 136.8 MB in the beginning and 200.8 MB in the end (delta: 64.0 MB). Free memory was 91.9 MB in the beginning and 179.9 MB in the end (delta: -88.0 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB. [2019-11-24 16:44:42,564 INFO L168 Benchmark]: Boogie Preprocessor took 24.90 ms. Allocated memory is still 200.8 MB. Free memory was 179.9 MB in the beginning and 178.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-11-24 16:44:42,565 INFO L168 Benchmark]: RCFGBuilder took 251.05 ms. Allocated memory is still 200.8 MB. Free memory was 178.8 MB in the beginning and 166.5 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. [2019-11-24 16:44:42,570 INFO L168 Benchmark]: Sifa took 5085.12 ms. Allocated memory is still 200.8 MB. Free memory was 166.5 MB in the beginning and 96.5 MB in the end (delta: 70.0 MB). Peak memory consumption was 70.0 MB. Max. memory is 7.1 GB. [2019-11-24 16:44:42,579 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 136.8 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 262.06 ms. Allocated memory is still 136.8 MB. Free memory was 101.4 MB in the beginning and 91.9 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 112.51 ms. Allocated memory was 136.8 MB in the beginning and 200.8 MB in the end (delta: 64.0 MB). Free memory was 91.9 MB in the beginning and 179.9 MB in the end (delta: -88.0 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.90 ms. Allocated memory is still 200.8 MB. Free memory was 179.9 MB in the beginning and 178.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 251.05 ms. Allocated memory is still 200.8 MB. Free memory was 178.8 MB in the beginning and 166.5 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. * Sifa took 5085.12 ms. Allocated memory is still 200.8 MB. Free memory was 166.5 MB in the beginning and 96.5 MB in the end (delta: 70.0 MB). Peak memory consumption was 70.0 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]: 5037, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 8, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 34, TOOLS_POST_TIME[ms]: 200, 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: 34, TOOLS_QUANTIFIERELIM_TIME[ms]: 173, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 68, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 45, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 8, DOMAIN_JOIN_TIME[ms]: 350, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 220, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 4172, DOMAIN_ISBOTTOM_APPLICATIONS: 8, DOMAIN_ISBOTTOM_TIME[ms]: 34, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 4790, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4789, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, 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]: 2, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 13, DAG_COMPRESSION_PROCESSED_NODES: 82, DAG_COMPRESSION_RETAINED_NODES: 28 - UnprovableResult [Line: 13]: 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 102#(and (exists ((v_ULTIMATE.start_main_~x~0_16 Int)) (or (and (not (< ULTIMATE.start_main_~c~0 ULTIMATE.start_main_~k~0)) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (not (= (+ ULTIMATE.start_main_~x~0 (* ULTIMATE.start_main_~y~0 (- 1)) 1) 0)) (= (* v_ULTIMATE.start_main_~x~0_16 (+ ULTIMATE.start_main_~z~0 (- 1))) ULTIMATE.start_main_~x~0) (= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond|)) (and (= (+ ULTIMATE.start_main_~x~0 (* ULTIMATE.start_main_~y~0 (- 1)) 1) 0) (= 1 |ULTIMATE.start___VERIFIER_assert_#in~cond|) (not (< ULTIMATE.start_main_~c~0 ULTIMATE.start_main_~k~0)) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (= (* v_ULTIMATE.start_main_~x~0_16 (+ ULTIMATE.start_main_~z~0 (- 1))) ULTIMATE.start_main_~x~0)))) (= 0 ULTIMATE.start___VERIFIER_assert_~cond)). Possible FailurePath: - UnprovableResult [Line: 13]: 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 95#(and (or (and (= ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~y~0) (<= 0 (+ ULTIMATE.start_main_~z~0 2147483648)) (<= ULTIMATE.start_main_~z~0 2147483647) (= ULTIMATE.start_main_~c~0 1) (= ULTIMATE.start_main_~x~0 1) (<= ULTIMATE.start_main_~k~0 2147483647) (<= 0 (+ ULTIMATE.start_main_~k~0 2147483648))) (exists ((v_ULTIMATE.start_main_~y~0_14 Int) (v_ULTIMATE.start_main_~x~0_15 Int)) (and (< ULTIMATE.start_main_~c~0 (+ ULTIMATE.start_main_~k~0 1)) (= (+ (* v_ULTIMATE.start_main_~x~0_15 ULTIMATE.start_main_~z~0) 1) ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~y~0 (* v_ULTIMATE.start_main_~y~0_14 ULTIMATE.start_main_~z~0))))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= (ite (= (+ (* ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~z~0) (* ULTIMATE.start_main_~x~0 (- 1)) (* ULTIMATE.start_main_~y~0 (- 1)) 1) 0) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...