java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/floats-cbmc-regression/float13.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 08:34:51,456 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 08:34:51,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 08:34:51,476 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 08:34:51,476 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 08:34:51,478 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 08:34:51,479 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 08:34:51,489 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 08:34:51,491 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 08:34:51,492 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 08:34:51,493 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 08:34:51,494 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 08:34:51,494 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 08:34:51,495 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 08:34:51,496 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 08:34:51,497 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 08:34:51,498 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 08:34:51,498 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 08:34:51,500 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 08:34:51,502 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 08:34:51,503 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 08:34:51,504 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 08:34:51,505 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 08:34:51,506 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 08:34:51,510 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-06 08:34:51,514 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 08:34:51,515 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 08:34:51,516 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 08:34:51,516 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 08:34:51,519 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 08:34:51,519 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 08:34:51,520 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 08:34:51,520 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 08:34:51,520 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 08:34:51,522 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 08:34:51,523 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 08:34:51,525 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-06 08:34:51,546 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 08:34:51,546 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 08:34:51,547 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 08:34:51,547 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 08:34:51,547 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 08:34:51,548 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 08:34:51,548 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 08:34:51,548 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 08:34:51,548 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 08:34:51,548 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 08:34:51,549 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 08:34:51,549 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 08:34:51,549 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 08:34:51,549 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 08:34:51,549 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 08:34:51,550 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 08:34:51,550 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 08:34:51,550 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 08:34:51,550 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 08:34:51,550 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 08:34:51,551 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 08:34:51,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 08:34:51,551 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 08:34:51,551 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 08:34:51,551 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 08:34:51,552 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 08:34:51,552 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 08:34:51,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 08:34:51,552 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2019-09-06 08:34:51,581 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 08:34:51,598 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 08:34:51,602 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 08:34:51,603 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 08:34:51,604 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 08:34:51,604 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float13.c [2019-09-06 08:34:51,663 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d78518a1/4c50988a701b45a9998833c3a23a825f/FLAG94f84fc17 [2019-09-06 08:34:52,052 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 08:34:52,053 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float13.c [2019-09-06 08:34:52,060 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d78518a1/4c50988a701b45a9998833c3a23a825f/FLAG94f84fc17 [2019-09-06 08:34:52,435 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d78518a1/4c50988a701b45a9998833c3a23a825f [2019-09-06 08:34:52,445 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 08:34:52,446 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 08:34:52,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 08:34:52,448 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 08:34:52,451 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 08:34:52,452 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:34:52" (1/1) ... [2019-09-06 08:34:52,455 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c6c6cf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:34:52, skipping insertion in model container [2019-09-06 08:34:52,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:34:52" (1/1) ... [2019-09-06 08:34:52,464 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 08:34:52,478 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 08:34:52,647 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:34:52,658 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 08:34:52,692 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:34:52,710 INFO L192 MainTranslator]: Completed translation [2019-09-06 08:34:52,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:34:52 WrapperNode [2019-09-06 08:34:52,711 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 08:34:52,711 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 08:34:52,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 08:34:52,712 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 08:34:52,855 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:34:52" (1/1) ... [2019-09-06 08:34:52,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:34:52" (1/1) ... [2019-09-06 08:34:52,868 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:34:52" (1/1) ... [2019-09-06 08:34:52,870 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:34:52" (1/1) ... [2019-09-06 08:34:52,890 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:34:52" (1/1) ... [2019-09-06 08:34:52,893 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:34:52" (1/1) ... [2019-09-06 08:34:52,895 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:34:52" (1/1) ... [2019-09-06 08:34:52,897 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 08:34:52,899 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 08:34:52,899 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 08:34:52,899 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 08:34:52,900 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:34:52" (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 [2019-09-06 08:34:52,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 08:34:52,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 08:34:52,947 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 08:34:52,947 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 08:34:52,947 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 08:34:52,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 08:34:52,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 08:34:53,191 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 08:34:53,191 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-06 08:34:53,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:34:53 BoogieIcfgContainer [2019-09-06 08:34:53,193 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 08:34:53,194 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 08:34:53,195 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 08:34:53,195 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 08:34:53,196 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:34:53" (1/1) ... [2019-09-06 08:34:53,197 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-06 08:34:53,221 INFO L162 IcfgInterpreter]: Started Sifa with 8 locations of interest [2019-09-06 08:34:53,221 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 08:34:53,230 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 08:34:53,241 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 08:34:53,242 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 08:34:53,309 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-06 08:34:53,657 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 08:34:53,657 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 08:34:53,659 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 182#(or (and (<= 0 main_~temp~0) (<= main_~temp~0 0)) (and (<= 1 main_~temp~0) (<= main_~temp~0 1))) [2019-09-06 08:34:53,660 INFO L193 IcfgInterpreter]: Reachable states at location mainErr3ASSERT_VIOLATIONERROR_FUNCTION satisfy 177#(or (and (<= 0 main_~temp~0) (<= main_~temp~0 0)) (and (<= 1 main_~temp~0) (<= main_~temp~0 1))) [2019-09-06 08:34:53,660 INFO L193 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 22#(or (and (<= 0 main_~temp~0) (<= main_~temp~0 0)) (and (<= 1 main_~temp~0) (<= main_~temp~0 1))) [2019-09-06 08:34:53,660 INFO L193 IcfgInterpreter]: Reachable states at location mainErr2ASSERT_VIOLATIONERROR_FUNCTION satisfy 180#(or (and (<= 0 main_~temp~0) (<= main_~temp~0 0)) (and (<= 1 main_~temp~0) (<= main_~temp~0 1))) [2019-09-06 08:34:53,661 INFO L193 IcfgInterpreter]: Reachable states at location mainErr7ASSERT_VIOLATIONERROR_FUNCTION satisfy 103#(or (and (<= 0 main_~temp~0) (<= main_~temp~0 0)) (and (<= 1 main_~temp~0) (<= main_~temp~0 1))) [2019-09-06 08:34:53,661 INFO L193 IcfgInterpreter]: Reachable states at location mainErr4ASSERT_VIOLATIONERROR_FUNCTION satisfy 169#(or (and (<= 0 main_~temp~0) (<= main_~temp~0 0)) (and (<= 1 main_~temp~0) (<= main_~temp~0 1))) [2019-09-06 08:34:53,661 INFO L193 IcfgInterpreter]: Reachable states at location mainErr5ASSERT_VIOLATIONERROR_FUNCTION satisfy 156#(or (and (<= 0 main_~temp~0) (<= main_~temp~0 0)) (and (<= 1 main_~temp~0) (<= main_~temp~0 1))) [2019-09-06 08:34:53,662 INFO L193 IcfgInterpreter]: Reachable states at location mainErr6ASSERT_VIOLATIONERROR_FUNCTION satisfy 138#(or (and (<= 0 main_~temp~0) (<= main_~temp~0 0)) (and (<= 1 main_~temp~0) (<= main_~temp~0 1))) [2019-09-06 08:34:53,702 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 08:34:53,703 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 08:34:53,706 INFO L168 Benchmark]: Toolchain (without parser) took 1258.10 ms. Allocated memory was 131.6 MB in the beginning and 201.9 MB in the end (delta: 70.3 MB). Free memory was 87.3 MB in the beginning and 142.3 MB in the end (delta: -55.1 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. [2019-09-06 08:34:53,708 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 08:34:53,709 INFO L168 Benchmark]: CACSL2BoogieTranslator took 263.69 ms. Allocated memory is still 131.6 MB. Free memory was 86.8 MB in the beginning and 77.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-09-06 08:34:53,711 INFO L168 Benchmark]: Boogie Preprocessor took 185.35 ms. Allocated memory was 131.6 MB in the beginning and 201.9 MB in the end (delta: 70.3 MB). Free memory was 77.4 MB in the beginning and 178.3 MB in the end (delta: -100.9 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-09-06 08:34:53,712 INFO L168 Benchmark]: RCFGBuilder took 294.62 ms. Allocated memory is still 201.9 MB. Free memory was 178.3 MB in the beginning and 164.3 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2019-09-06 08:34:53,715 INFO L168 Benchmark]: Sifa took 508.49 ms. Allocated memory is still 201.9 MB. Free memory was 164.3 MB in the beginning and 142.3 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. [2019-09-06 08:34:53,722 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 263.69 ms. Allocated memory is still 131.6 MB. Free memory was 86.8 MB in the beginning and 77.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 185.35 ms. Allocated memory was 131.6 MB in the beginning and 201.9 MB in the end (delta: 70.3 MB). Free memory was 77.4 MB in the beginning and 178.3 MB in the end (delta: -100.9 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 294.62 ms. Allocated memory is still 201.9 MB. Free memory was 178.3 MB in the beginning and 164.3 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. * Sifa took 508.49 ms. Allocated memory is still 201.9 MB. Free memory was 164.3 MB in the beginning and 142.3 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 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]: 441, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 157, DAG_INTERPRETER_EARLY_EXITS: 17, TOOLS_POST_APPLICATIONS: 155, TOOLS_POST_TIME[ms]: 173, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 18, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 2, TOOLS_QUANTIFIERELIM_TIME[ms]: 156, FLUID_QUERY_TIME[ms]: 8, FLUID_QUERIES: 157, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 22, DOMAIN_JOIN_TIME[ms]: 36, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME[ms]: 0, DOMAIN_ISBOTTOM_APPLICATIONS: 37, DOMAIN_ISBOTTOM_TIME[ms]: 52, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 0, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 15, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 75, DAG_COMPRESSION_PROCESSED_NODES: 884, DAG_COMPRESSION_RETAINED_NODES: 273 - 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 182#(or (and (<= 0 main_~temp~0) (<= main_~temp~0 0)) (and (<= 1 main_~temp~0) (<= main_~temp~0 1))). Possible FailurePath: - UnprovableResult [Line: 22]: 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 177#(or (and (<= 0 main_~temp~0) (<= main_~temp~0 0)) (and (<= 1 main_~temp~0) (<= main_~temp~0 1))). Possible FailurePath: - UnprovableResult [Line: 16]: 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 22#(or (and (<= 0 main_~temp~0) (<= main_~temp~0 0)) (and (<= 1 main_~temp~0) (<= main_~temp~0 1))). Possible FailurePath: - UnprovableResult [Line: 19]: 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 180#(or (and (<= 0 main_~temp~0) (<= main_~temp~0 0)) (and (<= 1 main_~temp~0) (<= main_~temp~0 1))). Possible FailurePath: - UnprovableResult [Line: 34]: 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 103#(or (and (<= 0 main_~temp~0) (<= main_~temp~0 0)) (and (<= 1 main_~temp~0) (<= main_~temp~0 1))). Possible FailurePath: - UnprovableResult [Line: 25]: 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 169#(or (and (<= 0 main_~temp~0) (<= main_~temp~0 0)) (and (<= 1 main_~temp~0) (<= main_~temp~0 1))). Possible FailurePath: - UnprovableResult [Line: 28]: 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 156#(or (and (<= 0 main_~temp~0) (<= main_~temp~0 0)) (and (<= 1 main_~temp~0) (<= main_~temp~0 1))). Possible FailurePath: - UnprovableResult [Line: 31]: 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 138#(or (and (<= 0 main_~temp~0) (<= main_~temp~0 0)) (and (<= 1 main_~temp~0) (<= main_~temp~0 1))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...