/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/loop-industry-pattern/mod3.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 16:24:07,297 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 16:24:07,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 16:24:07,318 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 16:24:07,318 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 16:24:07,321 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 16:24:07,324 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 16:24:07,334 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 16:24:07,338 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 16:24:07,341 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 16:24:07,343 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 16:24:07,345 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 16:24:07,345 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 16:24:07,347 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 16:24:07,349 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 16:24:07,350 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 16:24:07,352 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 16:24:07,353 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 16:24:07,354 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 16:24:07,359 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 16:24:07,363 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 16:24:07,367 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 16:24:07,368 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 16:24:07,369 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 16:24:07,371 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 16:24:07,375 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 16:24:07,376 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 16:24:07,377 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 16:24:07,378 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 16:24:07,379 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 16:24:07,379 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 16:24:07,381 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 16:24:07,381 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 16:24:07,381 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 16:24:07,382 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 16:24:07,383 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 16:24:07,384 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 16:24:07,418 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 16:24:07,418 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 16:24:07,421 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 16:24:07,421 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 16:24:07,421 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 16:24:07,422 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 16:24:07,422 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 16:24:07,422 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 16:24:07,422 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 16:24:07,422 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 16:24:07,422 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 16:24:07,423 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 16:24:07,423 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 16:24:07,423 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 16:24:07,423 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 16:24:07,426 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 16:24:07,426 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 16:24:07,427 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 16:24:07,427 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 16:24:07,427 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 16:24:07,427 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 16:24:07,427 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 16:24:07,427 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 16:24:07,428 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 16:24:07,428 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 16:24:07,428 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 16:24:07,428 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 16:24:07,428 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 16:24:07,429 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 16:24:07,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 16:24:07,429 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 16:24:07,429 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 16:24:07,429 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 16:24:07,430 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 16:24:07,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 16:24:07,431 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 16:24:07,431 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 16:24:07,431 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 16:24:07,728 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 16:24:07,745 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 16:24:07,749 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 16:24:07,750 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 16:24:07,750 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 16:24:07,751 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c [2019-11-24 16:24:07,817 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1b5e4ef7/bba4a618a88c498eb9571fb1b4689f4d/FLAGb99a10c9d [2019-11-24 16:24:08,225 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 16:24:08,226 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c [2019-11-24 16:24:08,232 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1b5e4ef7/bba4a618a88c498eb9571fb1b4689f4d/FLAGb99a10c9d [2019-11-24 16:24:08,645 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1b5e4ef7/bba4a618a88c498eb9571fb1b4689f4d [2019-11-24 16:24:08,657 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 16:24:08,659 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 16:24:08,665 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 16:24:08,665 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 16:24:08,668 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 16:24:08,669 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:24:08" (1/1) ... [2019-11-24 16:24:08,672 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39c72d10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:24:08, skipping insertion in model container [2019-11-24 16:24:08,672 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:24:08" (1/1) ... [2019-11-24 16:24:08,681 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 16:24:08,697 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 16:24:08,919 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:24:08,927 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 16:24:08,958 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:24:08,975 INFO L208 MainTranslator]: Completed translation [2019-11-24 16:24:08,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:24:08 WrapperNode [2019-11-24 16:24:08,976 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 16:24:08,977 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 16:24:08,977 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 16:24:08,977 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 16:24:08,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:24:08" (1/1) ... [2019-11-24 16:24:08,991 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:24:08" (1/1) ... [2019-11-24 16:24:09,104 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 16:24:09,105 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 16:24:09,105 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 16:24:09,105 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 16:24:09,114 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:24:08" (1/1) ... [2019-11-24 16:24:09,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:24:08" (1/1) ... [2019-11-24 16:24:09,125 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:24:08" (1/1) ... [2019-11-24 16:24:09,125 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:24:08" (1/1) ... [2019-11-24 16:24:09,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:24:08" (1/1) ... [2019-11-24 16:24:09,141 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:24:08" (1/1) ... [2019-11-24 16:24:09,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:24:08" (1/1) ... [2019-11-24 16:24:09,143 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 16:24:09,147 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 16:24:09,147 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 16:24:09,147 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 16:24:09,148 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:24:08" (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 16:24:09,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 16:24:09,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 16:24:09,536 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 16:24:09,536 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-24 16:24:09,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:24:09 BoogieIcfgContainer [2019-11-24 16:24:09,537 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 16:24:09,538 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 16:24:09,538 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 16:24:09,538 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 16:24:09,539 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:24:09" (1/1) ... [2019-11-24 16:24:09,540 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 16:24:09,572 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 16:24:09,572 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 16:24:09,585 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 16:24:09,595 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 16:24:09,597 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 16:24:10,076 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 16:24:10,095 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-24 16:24:10,096 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 16:24:10,099 INFO L168 Benchmark]: Toolchain (without parser) took 1438.60 ms. Allocated memory was 143.7 MB in the beginning and 200.8 MB in the end (delta: 57.1 MB). Free memory was 100.3 MB in the beginning and 137.7 MB in the end (delta: -37.4 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. [2019-11-24 16:24:10,100 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 143.7 MB. Free memory was 118.6 MB in the beginning and 118.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-11-24 16:24:10,101 INFO L168 Benchmark]: CACSL2BoogieTranslator took 311.63 ms. Allocated memory is still 143.7 MB. Free memory was 100.1 MB in the beginning and 90.6 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-11-24 16:24:10,104 INFO L168 Benchmark]: Boogie Procedure Inliner took 127.60 ms. Allocated memory was 143.7 MB in the beginning and 200.8 MB in the end (delta: 57.1 MB). Free memory was 90.6 MB in the beginning and 179.8 MB in the end (delta: -89.3 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2019-11-24 16:24:10,105 INFO L168 Benchmark]: Boogie Preprocessor took 38.87 ms. Allocated memory is still 200.8 MB. Free memory was 179.8 MB in the beginning and 178.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-11-24 16:24:10,106 INFO L168 Benchmark]: RCFGBuilder took 390.63 ms. Allocated memory is still 200.8 MB. Free memory was 178.1 MB in the beginning and 162.0 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-11-24 16:24:10,110 INFO L168 Benchmark]: Sifa took 558.00 ms. Allocated memory is still 200.8 MB. Free memory was 162.0 MB in the beginning and 137.7 MB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. [2019-11-24 16:24:10,117 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 143.7 MB. Free memory was 118.6 MB in the beginning and 118.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 311.63 ms. Allocated memory is still 143.7 MB. Free memory was 100.1 MB in the beginning and 90.6 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 127.60 ms. Allocated memory was 143.7 MB in the beginning and 200.8 MB in the end (delta: 57.1 MB). Free memory was 90.6 MB in the beginning and 179.8 MB in the end (delta: -89.3 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.87 ms. Allocated memory is still 200.8 MB. Free memory was 179.8 MB in the beginning and 178.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 390.63 ms. Allocated memory is still 200.8 MB. Free memory was 178.1 MB in the beginning and 162.0 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * Sifa took 558.00 ms. Allocated memory is still 200.8 MB. Free memory was 162.0 MB in the beginning and 137.7 MB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 506, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 1, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 11, TOOLS_POST_TIME[ms]: 216, 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: 11, TOOLS_QUANTIFIERELIM_TIME[ms]: 205, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 143, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 17, FLUID_YES_ANSWERS: 2, DOMAIN_JOIN_APPLICATIONS: 1, DOMAIN_JOIN_TIME[ms]: 10, DOMAIN_ALPHA_APPLICATIONS: 2, DOMAIN_ALPHA_TIME[ms]: 153, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 22, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 4, DOMAIN_ISBOTTOM_APPLICATIONS: 1, DOMAIN_ISBOTTOM_TIME[ms]: 8, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 393, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 393, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, 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]: 5, REGEX_TO_DAG_TIME[ms]: 15, DAG_COMPRESSION_TIME[ms]: 12, DAG_COMPRESSION_PROCESSED_NODES: 39, DAG_COMPRESSION_RETAINED_NODES: 18 - UnprovableResult [Line: 8]: 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 99#(and (= 0 (mod ULTIMATE.start_main_~y~0 4294967296)) (<= ULTIMATE.start_main_~y~0 1) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| (ite (= (mod (ite (and (< (mod ULTIMATE.start_main_~x~0 4294967296) 0) (not (= 0 (mod (mod ULTIMATE.start_main_~x~0 4294967296) 3)))) (+ (mod (mod ULTIMATE.start_main_~x~0 4294967296) 3) (- 3)) (mod (mod ULTIMATE.start_main_~x~0 4294967296) 3)) 4294967296) 0) 1 0)) (or (= ULTIMATE.start_main_~y~0 1) (<= 0 ULTIMATE.start_main_~y~0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...