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 ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-regression/test22-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 15:39:50,438 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 15:39:50,440 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 15:39:50,452 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 15:39:50,452 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 15:39:50,453 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 15:39:50,454 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 15:39:50,456 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 15:39:50,458 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 15:39:50,458 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 15:39:50,459 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 15:39:50,460 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 15:39:50,461 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 15:39:50,462 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 15:39:50,463 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 15:39:50,464 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 15:39:50,465 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 15:39:50,465 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 15:39:50,467 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 15:39:50,468 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 15:39:50,470 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 15:39:50,471 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 15:39:50,472 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 15:39:50,473 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 15:39:50,475 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-25 15:39:50,477 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 15:39:50,478 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 15:39:50,479 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 15:39:50,479 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 15:39:50,480 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 15:39:50,481 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 15:39:50,481 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 15:39:50,482 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 15:39:50,482 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 15:39:50,483 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 15:39:50,483 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 15:39:50,484 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 [2019-09-25 15:39:50,498 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 15:39:50,498 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 15:39:50,499 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 15:39:50,500 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 15:39:50,500 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 15:39:50,500 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 15:39:50,500 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 15:39:50,500 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 15:39:50,501 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 15:39:50,501 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 15:39:50,501 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 15:39:50,501 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 15:39:50,501 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 15:39:50,502 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 15:39:50,502 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 15:39:50,502 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 15:39:50,502 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 15:39:50,502 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 15:39:50,503 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 15:39:50,503 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 15:39:50,503 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 15:39:50,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 15:39:50,503 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 15:39:50,504 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 15:39:50,504 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 15:39:50,504 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 15:39:50,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 15:39:50,504 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 15:39:50,505 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-25 15:39:50,558 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 15:39:50,568 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 15:39:50,572 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 15:39:50,573 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 15:39:50,574 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 15:39:50,574 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test22-1.c [2019-09-25 15:39:50,633 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc5fac8f3/a81ae5d99ccd439a9b56c8cf37dc3f0e/FLAG15de9b5b0 [2019-09-25 15:39:51,048 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 15:39:51,049 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test22-1.c [2019-09-25 15:39:51,055 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc5fac8f3/a81ae5d99ccd439a9b56c8cf37dc3f0e/FLAG15de9b5b0 [2019-09-25 15:39:51,469 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc5fac8f3/a81ae5d99ccd439a9b56c8cf37dc3f0e [2019-09-25 15:39:51,479 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 15:39:51,480 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 15:39:51,481 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 15:39:51,481 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 15:39:51,487 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 15:39:51,488 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:39:51" (1/1) ... [2019-09-25 15:39:51,490 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ba7a62c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:39:51, skipping insertion in model container [2019-09-25 15:39:51,490 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:39:51" (1/1) ... [2019-09-25 15:39:51,498 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 15:39:51,516 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 15:39:51,704 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 15:39:51,716 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 15:39:51,737 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 15:39:51,875 INFO L192 MainTranslator]: Completed translation [2019-09-25 15:39:51,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:39:51 WrapperNode [2019-09-25 15:39:51,876 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 15:39:51,876 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 15:39:51,877 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 15:39:51,877 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 15:39:51,889 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:39:51" (1/1) ... [2019-09-25 15:39:51,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:39:51" (1/1) ... [2019-09-25 15:39:51,899 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:39:51" (1/1) ... [2019-09-25 15:39:51,900 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:39:51" (1/1) ... [2019-09-25 15:39:51,910 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:39:51" (1/1) ... [2019-09-25 15:39:51,918 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:39:51" (1/1) ... [2019-09-25 15:39:51,920 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:39:51" (1/1) ... [2019-09-25 15:39:51,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 15:39:51,928 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 15:39:51,928 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 15:39:51,929 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 15:39:51,930 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:39:51" (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 [2019-09-25 15:39:52,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 15:39:52,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 15:39:52,000 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-25 15:39:52,000 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2019-09-25 15:39:52,000 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-25 15:39:52,000 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 15:39:52,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 15:39:52,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 15:39:52,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-25 15:39:52,002 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-25 15:39:52,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 15:39:52,002 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2019-09-25 15:39:52,002 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-25 15:39:52,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 15:39:52,002 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 15:39:52,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 15:39:52,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 15:39:52,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-25 15:39:52,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 15:39:52,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 15:39:52,419 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 15:39:52,419 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-25 15:39:52,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:39:52 BoogieIcfgContainer [2019-09-25 15:39:52,421 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 15:39:52,421 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 15:39:52,421 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 15:39:52,422 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 15:39:52,423 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:39:52" (1/1) ... [2019-09-25 15:39:52,423 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ 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 [2019-09-25 15:39:52,446 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 15:39:52,447 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 15:39:52,455 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 15:39:52,464 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 15:39:52,465 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 15:39:52,791 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 51 for LOIs [2019-09-25 15:39:53,068 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 39 [2019-09-25 15:39:53,515 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 15:39:53,515 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 15:39:53,517 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 118#(and (= |#NULL.base| 0) (= |~#d2~0.offset| 0) (not (= main_~i~0 (select (select |#memory_int| main_~pd2~0.base) main_~pd2~0.offset))) (= |~#d1~0.offset| 0) (= |#NULL.offset| 0)) [2019-09-25 15:39:53,534 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 15:39:53,534 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 15:39:53,536 INFO L168 Benchmark]: Toolchain (without parser) took 2055.72 ms. Allocated memory was 136.8 MB in the beginning and 199.2 MB in the end (delta: 62.4 MB). Free memory was 84.2 MB in the beginning and 82.9 MB in the end (delta: 1.2 MB). Peak memory consumption was 63.6 MB. Max. memory is 7.1 GB. [2019-09-25 15:39:53,538 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 136.8 MB. Free memory was 102.9 MB in the beginning and 102.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 15:39:53,543 INFO L168 Benchmark]: CACSL2BoogieTranslator took 395.39 ms. Allocated memory was 136.8 MB in the beginning and 199.2 MB in the end (delta: 62.4 MB). Free memory was 83.9 MB in the beginning and 176.8 MB in the end (delta: -92.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2019-09-25 15:39:53,546 INFO L168 Benchmark]: Boogie Preprocessor took 51.50 ms. Allocated memory is still 199.2 MB. Free memory was 176.8 MB in the beginning and 174.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-09-25 15:39:53,546 INFO L168 Benchmark]: RCFGBuilder took 492.52 ms. Allocated memory is still 199.2 MB. Free memory was 174.3 MB in the beginning and 150.2 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. [2019-09-25 15:39:53,547 INFO L168 Benchmark]: Sifa took 1112.90 ms. Allocated memory is still 199.2 MB. Free memory was 150.2 MB in the beginning and 82.9 MB in the end (delta: 67.3 MB). Peak memory consumption was 67.3 MB. Max. memory is 7.1 GB. [2019-09-25 15:39:53,553 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 136.8 MB. Free memory was 102.9 MB in the beginning and 102.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 395.39 ms. Allocated memory was 136.8 MB in the beginning and 199.2 MB in the end (delta: 62.4 MB). Free memory was 83.9 MB in the beginning and 176.8 MB in the end (delta: -92.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.50 ms. Allocated memory is still 199.2 MB. Free memory was 176.8 MB in the beginning and 174.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 492.52 ms. Allocated memory is still 199.2 MB. Free memory was 174.3 MB in the beginning and 150.2 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. * Sifa took 1112.90 ms. Allocated memory is still 199.2 MB. Free memory was 150.2 MB in the beginning and 82.9 MB in the end (delta: 67.3 MB). Peak memory consumption was 67.3 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]: 1071, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 30, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 20, TOOLS_POST_TIME[ms]: 580, TOOLS_POST_CALL_APPLICATIONS: 9, TOOLS_POST_CALL_TIME[ms]: 150, TOOLS_POST_RETURN_APPLICATIONS: 8, TOOLS_POST_RETURN_TIME[ms]: 27, TOOLS_QUANTIFIERELIM_APPLICATIONS: 37, TOOLS_QUANTIFIERELIM_TIME[ms]: 720, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 300, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 32, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 9, DOMAIN_JOIN_TIME[ms]: 156, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 53, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 6, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 5, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 143, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 142, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 8, CALL_SUMMARIZER_CACHE_MISSES: 4, CALL_SUMMARIZER_OVERALL_TIME[ms]: 622, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 621, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 29, DAG_COMPRESSION_PROCESSED_NODES: 112, DAG_COMPRESSION_RETAINED_NODES: 48 - UnprovableResult [Line: 48]: 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 118#(and (= |#NULL.base| 0) (= |~#d2~0.offset| 0) (not (= main_~i~0 (select (select |#memory_int| main_~pd2~0.base) main_~pd2~0.offset))) (= |~#d1~0.offset| 0) (= |#NULL.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...