/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-acceleration/diamond_2-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 16:20:54,385 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 16:20:54,388 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 16:20:54,404 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 16:20:54,405 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 16:20:54,406 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 16:20:54,407 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 16:20:54,409 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 16:20:54,419 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 16:20:54,420 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 16:20:54,421 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 16:20:54,422 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 16:20:54,422 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 16:20:54,423 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 16:20:54,425 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 16:20:54,426 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 16:20:54,428 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 16:20:54,429 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 16:20:54,434 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 16:20:54,438 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 16:20:54,441 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 16:20:54,443 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 16:20:54,446 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 16:20:54,447 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 16:20:54,449 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 16:20:54,449 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 16:20:54,451 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 16:20:54,452 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 16:20:54,453 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 16:20:54,454 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 16:20:54,454 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 16:20:54,457 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 16:20:54,458 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 16:20:54,458 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 16:20:54,462 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 16:20:54,462 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 16:20:54,463 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 16:20:54,463 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 16:20:54,463 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 16:20:54,465 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 16:20:54,467 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 16:20:54,468 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 16:20:54,483 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 16:20:54,483 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 16:20:54,484 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 16:20:54,484 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 16:20:54,484 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 16:20:54,484 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 16:20:54,485 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 16:20:54,485 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 16:20:54,485 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 16:20:54,485 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 16:20:54,485 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 16:20:54,486 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 16:20:54,486 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 16:20:54,486 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 16:20:54,486 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 16:20:54,487 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 16:20:54,487 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 16:20:54,487 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 16:20:54,488 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 16:20:54,488 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 16:20:54,488 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 16:20:54,488 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 16:20:54,488 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 16:20:54,488 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 16:20:54,489 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 16:20:54,489 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 16:20:54,489 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 16:20:54,489 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 16:20:54,489 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 16:20:54,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 16:20:54,490 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 16:20:54,490 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 16:20:54,490 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 16:20:54,490 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 16:20:54,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 16:20:54,491 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 16:20:54,491 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 16:20:54,491 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 16:20:54,757 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 16:20:54,770 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 16:20:54,773 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 16:20:54,774 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 16:20:54,774 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 16:20:54,775 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/diamond_2-2.c [2019-11-24 16:20:54,847 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/069751866/4211e94fa68d4b31a94b3a7c55f18105/FLAG0688ab0ca [2019-11-24 16:20:55,280 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 16:20:55,281 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/diamond_2-2.c [2019-11-24 16:20:55,287 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/069751866/4211e94fa68d4b31a94b3a7c55f18105/FLAG0688ab0ca [2019-11-24 16:20:55,636 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/069751866/4211e94fa68d4b31a94b3a7c55f18105 [2019-11-24 16:20:55,644 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 16:20:55,646 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 16:20:55,646 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 16:20:55,647 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 16:20:55,655 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 16:20:55,655 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:20:55" (1/1) ... [2019-11-24 16:20:55,658 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22cd26c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:20:55, skipping insertion in model container [2019-11-24 16:20:55,658 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:20:55" (1/1) ... [2019-11-24 16:20:55,664 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 16:20:55,680 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 16:20:55,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:20:55,895 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 16:20:55,915 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:20:55,928 INFO L208 MainTranslator]: Completed translation [2019-11-24 16:20:55,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:20:55 WrapperNode [2019-11-24 16:20:55,928 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 16:20:55,929 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 16:20:55,929 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 16:20:55,929 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 16:20:55,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:20:55" (1/1) ... [2019-11-24 16:20:55,943 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:20:55" (1/1) ... [2019-11-24 16:20:56,044 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 16:20:56,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 16:20:56,045 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 16:20:56,045 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 16:20:56,052 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:20:55" (1/1) ... [2019-11-24 16:20:56,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:20:55" (1/1) ... [2019-11-24 16:20:56,054 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:20:55" (1/1) ... [2019-11-24 16:20:56,054 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:20:55" (1/1) ... [2019-11-24 16:20:56,058 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:20:55" (1/1) ... [2019-11-24 16:20:56,064 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:20:55" (1/1) ... [2019-11-24 16:20:56,065 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:20:55" (1/1) ... [2019-11-24 16:20:56,067 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 16:20:56,068 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 16:20:56,068 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 16:20:56,068 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 16:20:56,069 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:20:55" (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 16:20:56,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 16:20:56,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 16:20:56,762 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 16:20:56,763 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-24 16:20:56,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:20:56 BoogieIcfgContainer [2019-11-24 16:20:56,765 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 16:20:56,765 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 16:20:56,765 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 16:20:56,766 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 16:20:56,767 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:20:56" (1/1) ... [2019-11-24 16:20:56,767 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 16:20:56,794 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 16:20:56,794 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 16:20:56,801 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 16:20:56,808 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 16:20:56,809 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 16:20:58,299 WARN L192 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 782 DAG size of output: 271 [2019-11-24 16:21:00,111 WARN L192 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1375 DAG size of output: 269 [2019-11-24 16:21:01,582 WARN L192 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 1501 DAG size of output: 178 [2019-11-24 16:21:04,997 WARN L192 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 2232 DAG size of output: 867 [2019-11-24 16:21:05,656 WARN L192 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 741 DAG size of output: 55 [2019-11-24 16:21:10,206 WARN L192 SmtUtils]: Spent 3.85 s on a formula simplification. DAG size of input: 3517 DAG size of output: 879 [2019-11-24 16:21:10,689 WARN L192 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 735 DAG size of output: 71 [2019-11-24 16:21:11,313 WARN L192 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 853 DAG size of output: 494 [2019-11-24 16:21:12,580 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 16:21:12,597 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-24 16:21:12,598 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 16:21:12,600 INFO L168 Benchmark]: Toolchain (without parser) took 16953.65 ms. Allocated memory was 137.4 MB in the beginning and 741.9 MB in the end (delta: 604.5 MB). Free memory was 101.9 MB in the beginning and 528.7 MB in the end (delta: -426.8 MB). Peak memory consumption was 177.7 MB. Max. memory is 7.1 GB. [2019-11-24 16:21:12,601 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 137.4 MB. Free memory is still 120.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-11-24 16:21:12,602 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.23 ms. Allocated memory is still 137.4 MB. Free memory was 101.9 MB in the beginning and 91.5 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2019-11-24 16:21:12,603 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.18 ms. Allocated memory was 137.4 MB in the beginning and 200.8 MB in the end (delta: 63.4 MB). Free memory was 91.5 MB in the beginning and 179.2 MB in the end (delta: -87.7 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. [2019-11-24 16:21:12,604 INFO L168 Benchmark]: Boogie Preprocessor took 22.95 ms. Allocated memory is still 200.8 MB. Free memory was 179.2 MB in the beginning and 178.1 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 7.1 GB. [2019-11-24 16:21:12,605 INFO L168 Benchmark]: RCFGBuilder took 697.26 ms. Allocated memory is still 200.8 MB. Free memory was 178.1 MB in the beginning and 144.5 MB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 7.1 GB. [2019-11-24 16:21:12,606 INFO L168 Benchmark]: Sifa took 15832.43 ms. Allocated memory was 200.8 MB in the beginning and 741.9 MB in the end (delta: 541.1 MB). Free memory was 144.5 MB in the beginning and 528.7 MB in the end (delta: -384.2 MB). Peak memory consumption was 156.9 MB. Max. memory is 7.1 GB. [2019-11-24 16:21:12,610 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 137.4 MB. Free memory is still 120.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 282.23 ms. Allocated memory is still 137.4 MB. Free memory was 101.9 MB in the beginning and 91.5 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 115.18 ms. Allocated memory was 137.4 MB in the beginning and 200.8 MB in the end (delta: 63.4 MB). Free memory was 91.5 MB in the beginning and 179.2 MB in the end (delta: -87.7 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 22.95 ms. Allocated memory is still 200.8 MB. Free memory was 179.2 MB in the beginning and 178.1 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 697.26 ms. Allocated memory is still 200.8 MB. Free memory was 178.1 MB in the beginning and 144.5 MB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 7.1 GB. * Sifa took 15832.43 ms. Allocated memory was 200.8 MB in the beginning and 741.9 MB in the end (delta: 541.1 MB). Free memory was 144.5 MB in the beginning and 528.7 MB in the end (delta: -384.2 MB). Peak memory consumption was 156.9 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]: 15787, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 0, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 11, TOOLS_POST_TIME[ms]: 3138, 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]: 3119, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 1036, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 27, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 0, DOMAIN_JOIN_TIME[ms]: 0, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 10, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 12288, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 299, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 15730, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 15729, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, 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: 24, DAG_COMPRESSION_RETAINED_NODES: 13 - UnprovableResult [Line: 6]: 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 56#(and (or (and (not (= 0 (mod ULTIMATE.start_main_~y~0 2))) (<= ULTIMATE.start_main_~x~0 95) (< (mod (+ ULTIMATE.start_main_~x~0 5) 4294967296) 99) (or (= 0 (mod ULTIMATE.start_main_~y~0 2)) (not (= 0 (mod (+ (mod ULTIMATE.start_main_~y~0 2) 4294967294) 4294967296))) (not (< (mod ULTIMATE.start_main_~y~0 4294967296) 0))) (<= 0 (+ ULTIMATE.start_main_~x~0 10))) (and (<= 0 (+ ULTIMATE.start_main_~x~0 5)) (or (and (or (= 0 (mod ULTIMATE.start_main_~y~0 2)) (and (< (mod ULTIMATE.start_main_~y~0 4294967296) 0) (= 0 (mod (+ (mod ULTIMATE.start_main_~y~0 2) 4294967294) 4294967296)))) (= (+ ULTIMATE.start_main_~x~0 (- 2)) 78)) (and (= (+ ULTIMATE.start_main_~x~0 (- 2)) 18) (or (= 0 (mod ULTIMATE.start_main_~y~0 2)) (and (< (mod ULTIMATE.start_main_~y~0 4294967296) 0) (= 0 (mod (+ (mod ULTIMATE.start_main_~y~0 2) 4294967294) 4294967296))))) (= ULTIMATE.start_main_~x~0 0) (and (or (= (+ ULTIMATE.start_main_~x~0 (- 2)) 38) (= (+ ULTIMATE.start_main_~x~0 (- 4)) 56)) (or (= 0 (mod ULTIMATE.start_main_~y~0 2)) (and (< (mod ULTIMATE.start_main_~y~0 4294967296) 0) (= 0 (mod (+ (mod ULTIMATE.start_main_~y~0 2) 4294967294) 4294967296))))) (and (not (= 0 (mod ULTIMATE.start_main_~y~0 2))) (= (+ ULTIMATE.start_main_~x~0 6) 1) (or (= 0 (mod ULTIMATE.start_main_~y~0 2)) (not (= 0 (mod (+ (mod ULTIMATE.start_main_~y~0 2) 4294967294) 4294967296))) (not (< (mod ULTIMATE.start_main_~y~0 4294967296) 0)))) (and (or (= 0 (mod ULTIMATE.start_main_~y~0 2)) (and (< (mod ULTIMATE.start_main_~y~0 4294967296) 0) (= 0 (mod (+ (mod ULTIMATE.start_main_~y~0 2) 4294967294) 4294967296)))) (= 4 (+ ULTIMATE.start_main_~x~0 (- 16)))) (and (or (= 0 (mod ULTIMATE.start_main_~y~0 2)) (and (< (mod ULTIMATE.start_main_~y~0 4294967296) 0) (= 0 (mod (+ (mod ULTIMATE.start_main_~y~0 2) 4294967294) 4294967296)))) (= (+ ULTIMATE.start_main_~x~0 (- 4)) 96)) (and (or (= 0 (mod ULTIMATE.start_main_~y~0 2)) (and (< (mod ULTIMATE.start_main_~y~0 4294967296) 0) (= 0 (mod (+ (mod ULTIMATE.start_main_~y~0 2) 4294967294) 4294967296)))) (= (+ ULTIMATE.start_main_~x~0 (- 4)) 36)) (and (not (= 0 (mod ULTIMATE.start_main_~y~0 2))) (= (+ ULTIMATE.start_main_~x~0 8) 3) (or (= 0 (mod ULTIMATE.start_main_~y~0 2)) (not (= 0 (mod (+ (mod ULTIMATE.start_main_~y~0 2) 4294967294) 4294967296))) (not (< (mod ULTIMATE.start_main_~y~0 4294967296) 0)))))) (and (or (= 0 (mod ULTIMATE.start_main_~y~0 2)) (and (< (mod ULTIMATE.start_main_~y~0 4294967296) 0) (= 0 (mod (+ (mod ULTIMATE.start_main_~y~0 2) 4294967294) 4294967296)))) (< (mod (+ ULTIMATE.start_main_~x~0 4294967276) 4294967296) 99) (<= 15 ULTIMATE.start_main_~x~0) (<= ULTIMATE.start_main_~x~0 120))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (not (< (mod ULTIMATE.start_main_~x~0 4294967296) 99)) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| (ite (= (mod (ite (and (not (= 0 (mod ULTIMATE.start_main_~y~0 2))) (< (mod ULTIMATE.start_main_~y~0 4294967296) 0)) (+ (mod ULTIMATE.start_main_~y~0 2) (- 2)) (mod ULTIMATE.start_main_~y~0 2)) 4294967296) (mod (ite (and (< (mod ULTIMATE.start_main_~x~0 4294967296) 0) (not (= 0 (mod ULTIMATE.start_main_~x~0 2)))) (+ (mod ULTIMATE.start_main_~x~0 2) (- 2)) (mod ULTIMATE.start_main_~x~0 2)) 4294967296)) 1 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...