/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/loops/trex03-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 16:42:29,318 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 16:42:29,321 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 16:42:29,334 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 16:42:29,335 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 16:42:29,336 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 16:42:29,337 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 16:42:29,339 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 16:42:29,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 16:42:29,341 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 16:42:29,342 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 16:42:29,343 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 16:42:29,343 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 16:42:29,344 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 16:42:29,345 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 16:42:29,346 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 16:42:29,347 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 16:42:29,348 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 16:42:29,350 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 16:42:29,351 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 16:42:29,353 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 16:42:29,356 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 16:42:29,358 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 16:42:29,358 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 16:42:29,362 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 16:42:29,366 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 16:42:29,369 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 16:42:29,370 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 16:42:29,370 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 16:42:29,373 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 16:42:29,373 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 16:42:29,374 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 16:42:29,376 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 16:42:29,377 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 16:42:29,378 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 16:42:29,378 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 16:42:29,382 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 16:42:29,403 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 16:42:29,403 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 16:42:29,404 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 16:42:29,405 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 16:42:29,405 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 16:42:29,405 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 16:42:29,405 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 16:42:29,405 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 16:42:29,406 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 16:42:29,406 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 16:42:29,407 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 16:42:29,407 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 16:42:29,407 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 16:42:29,408 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 16:42:29,408 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 16:42:29,409 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 16:42:29,409 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 16:42:29,410 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 16:42:29,410 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 16:42:29,410 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 16:42:29,410 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 16:42:29,411 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 16:42:29,411 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 16:42:29,411 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 16:42:29,411 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 16:42:29,411 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 16:42:29,412 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 16:42:29,412 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 16:42:29,413 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 16:42:29,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 16:42:29,413 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 16:42:29,414 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 16:42:29,414 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 16:42:29,414 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 16:42:29,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 16:42:29,415 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 16:42:29,415 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 16:42:29,415 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 16:42:29,661 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 16:42:29,675 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 16:42:29,679 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 16:42:29,680 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 16:42:29,681 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 16:42:29,682 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/trex03-1.c [2019-11-24 16:42:29,750 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34f5f9a27/75eff303ec9e477e81890fdeeb976e56/FLAGfbf80e03c [2019-11-24 16:42:30,178 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 16:42:30,179 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/trex03-1.c [2019-11-24 16:42:30,184 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34f5f9a27/75eff303ec9e477e81890fdeeb976e56/FLAGfbf80e03c [2019-11-24 16:42:30,583 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34f5f9a27/75eff303ec9e477e81890fdeeb976e56 [2019-11-24 16:42:30,593 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 16:42:30,594 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 16:42:30,595 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 16:42:30,596 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 16:42:30,599 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 16:42:30,600 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:42:30" (1/1) ... [2019-11-24 16:42:30,602 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a08c9d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:42:30, skipping insertion in model container [2019-11-24 16:42:30,603 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:42:30" (1/1) ... [2019-11-24 16:42:30,610 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 16:42:30,629 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 16:42:30,879 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:42:30,885 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 16:42:30,911 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:42:30,927 INFO L208 MainTranslator]: Completed translation [2019-11-24 16:42:30,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:42:30 WrapperNode [2019-11-24 16:42:30,928 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 16:42:30,929 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 16:42:30,929 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 16:42:30,929 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 16:42:30,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:42:30" (1/1) ... [2019-11-24 16:42:30,943 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:42:30" (1/1) ... [2019-11-24 16:42:31,099 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 16:42:31,100 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 16:42:31,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 16:42:31,100 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 16:42:31,110 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:42:30" (1/1) ... [2019-11-24 16:42:31,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:42:30" (1/1) ... [2019-11-24 16:42:31,112 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:42:30" (1/1) ... [2019-11-24 16:42:31,112 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:42:30" (1/1) ... [2019-11-24 16:42:31,116 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:42:30" (1/1) ... [2019-11-24 16:42:31,125 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:42:30" (1/1) ... [2019-11-24 16:42:31,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:42:30" (1/1) ... [2019-11-24 16:42:31,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 16:42:31,137 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 16:42:31,137 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 16:42:31,137 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 16:42:31,138 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:42:30" (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 16:42:31,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 16:42:31,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 16:42:31,598 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 16:42:31,598 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-24 16:42:31,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:42:31 BoogieIcfgContainer [2019-11-24 16:42:31,599 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 16:42:31,600 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 16:42:31,600 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 16:42:31,600 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 16:42:31,601 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:42:31" (1/1) ... [2019-11-24 16:42:31,602 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 16:42:31,626 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 16:42:31,626 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 16:42:31,633 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 16:42:31,640 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 16:42:31,641 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 16:42:31,727 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 16:42:31,743 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-24 16:42:31,743 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 16:42:31,746 INFO L168 Benchmark]: Toolchain (without parser) took 1150.53 ms. Allocated memory was 146.3 MB in the beginning and 207.1 MB in the end (delta: 60.8 MB). Free memory was 103.0 MB in the beginning and 160.7 MB in the end (delta: -57.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2019-11-24 16:42:31,747 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 146.3 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-11-24 16:42:31,748 INFO L168 Benchmark]: CACSL2BoogieTranslator took 332.87 ms. Allocated memory is still 146.3 MB. Free memory was 102.8 MB in the beginning and 93.1 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-11-24 16:42:31,749 INFO L168 Benchmark]: Boogie Procedure Inliner took 170.91 ms. Allocated memory was 146.3 MB in the beginning and 207.1 MB in the end (delta: 60.8 MB). Free memory was 93.1 MB in the beginning and 186.3 MB in the end (delta: -93.2 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-11-24 16:42:31,750 INFO L168 Benchmark]: Boogie Preprocessor took 36.42 ms. Allocated memory is still 207.1 MB. Free memory was 186.3 MB in the beginning and 184.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-11-24 16:42:31,750 INFO L168 Benchmark]: RCFGBuilder took 462.89 ms. Allocated memory is still 207.1 MB. Free memory was 184.6 MB in the beginning and 167.3 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 7.1 GB. [2019-11-24 16:42:31,751 INFO L168 Benchmark]: Sifa took 143.28 ms. Allocated memory is still 207.1 MB. Free memory was 167.3 MB in the beginning and 160.7 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 7.1 GB. [2019-11-24 16:42:31,756 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 146.3 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 332.87 ms. Allocated memory is still 146.3 MB. Free memory was 102.8 MB in the beginning and 93.1 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 170.91 ms. Allocated memory was 146.3 MB in the beginning and 207.1 MB in the end (delta: 60.8 MB). Free memory was 93.1 MB in the beginning and 186.3 MB in the end (delta: -93.2 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 36.42 ms. Allocated memory is still 207.1 MB. Free memory was 186.3 MB in the beginning and 184.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 462.89 ms. Allocated memory is still 207.1 MB. Free memory was 184.6 MB in the beginning and 167.3 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 7.1 GB. * Sifa took 143.28 ms. Allocated memory is still 207.1 MB. Free memory was 167.3 MB in the beginning and 160.7 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 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]: 101, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 0, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 5, TOOLS_POST_TIME[ms]: 49, 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: 5, TOOLS_QUANTIFIERELIM_TIME[ms]: 44, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 30, FLUID_QUERY_TIME[ms]: 3, FLUID_QUERIES: 9, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 0, DOMAIN_JOIN_TIME[ms]: 0, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 1, DOMAIN_ISSUBSETEQ_TIME[ms]: 6, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 40, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 39, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 1, 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]: 8, DAG_COMPRESSION_PROCESSED_NODES: 21, DAG_COMPRESSION_RETAINED_NODES: 13 - UnprovableResult [Line: 5]: 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 7#(and (or (not (< 0 (mod ULTIMATE.start_main_~x3~0 4294967296))) (not (< 0 (mod ULTIMATE.start_main_~x2~0 4294967296))) (not (< 0 (mod ULTIMATE.start_main_~x1~0 4294967296)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| (ite (and (= 0 (mod ULTIMATE.start_main_~x1~0 4294967296)) (= 0 (mod ULTIMATE.start_main_~x3~0 4294967296)) (= (mod ULTIMATE.start_main_~x2~0 4294967296) 0)) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start_main_~d3~0 1) (= ULTIMATE.start_main_~d2~0 1) (= ULTIMATE.start_main_~d1~0 1)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...