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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-regression/test27-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-04 08:50:41,426 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-04 08:50:41,428 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-04 08:50:41,439 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-04 08:50:41,440 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-04 08:50:41,441 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-04 08:50:41,442 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-04 08:50:41,444 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-04 08:50:41,446 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-04 08:50:41,447 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-04 08:50:41,447 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-04 08:50:41,449 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-04 08:50:41,449 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-04 08:50:41,450 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-04 08:50:41,451 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-04 08:50:41,452 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-04 08:50:41,453 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-04 08:50:41,454 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-04 08:50:41,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-04 08:50:41,457 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-04 08:50:41,458 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-04 08:50:41,459 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-04 08:50:41,460 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-04 08:50:41,461 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-04 08:50:41,463 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-04 08:50:41,464 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-04 08:50:41,464 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-04 08:50:41,465 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-04 08:50:41,465 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-04 08:50:41,466 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-04 08:50:41,466 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-04 08:50:41,467 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-04 08:50:41,468 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-04 08:50:41,468 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-04 08:50:41,469 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-04 08:50:41,469 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-04 08:50:41,470 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-04 08:50:41,470 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-04 08:50:41,471 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-04 08:50:41,471 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-04 08:50:41,472 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-04 08:50:41,473 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 [2019-10-04 08:50:41,487 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-04 08:50:41,488 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-04 08:50:41,489 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-04 08:50:41,489 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-04 08:50:41,489 INFO L138 SettingsManager]: * Use SBE=true [2019-10-04 08:50:41,489 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-04 08:50:41,490 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-04 08:50:41,490 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-04 08:50:41,490 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-04 08:50:41,490 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-04 08:50:41,490 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-04 08:50:41,491 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-04 08:50:41,491 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-04 08:50:41,491 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-04 08:50:41,491 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-04 08:50:41,491 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-04 08:50:41,492 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-04 08:50:41,492 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-04 08:50:41,492 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-04 08:50:41,492 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-04 08:50:41,492 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-04 08:50:41,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-04 08:50:41,493 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-04 08:50:41,493 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-04 08:50:41,493 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-04 08:50:41,493 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-04 08:50:41,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-04 08:50:41,494 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-04 08:50:41,494 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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: Simplification Technique -> SIMPLIFY_QUICK [2019-10-04 08:50:41,524 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-04 08:50:41,536 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-04 08:50:41,540 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-04 08:50:41,541 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-04 08:50:41,542 INFO L275 PluginConnector]: CDTParser initialized [2019-10-04 08:50:41,543 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test27-1.c [2019-10-04 08:50:41,607 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb4ad668e/1c0b0f49e1d8476ea79e7d39a7560bdf/FLAG7ecb9b338 [2019-10-04 08:50:42,050 INFO L306 CDTParser]: Found 1 translation units. [2019-10-04 08:50:42,056 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test27-1.c [2019-10-04 08:50:42,066 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb4ad668e/1c0b0f49e1d8476ea79e7d39a7560bdf/FLAG7ecb9b338 [2019-10-04 08:50:42,379 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb4ad668e/1c0b0f49e1d8476ea79e7d39a7560bdf [2019-10-04 08:50:42,387 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-04 08:50:42,389 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-04 08:50:42,390 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-04 08:50:42,390 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-04 08:50:42,393 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-04 08:50:42,394 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 08:50:42" (1/1) ... [2019-10-04 08:50:42,397 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d2bbd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 08:50:42, skipping insertion in model container [2019-10-04 08:50:42,397 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 08:50:42" (1/1) ... [2019-10-04 08:50:42,403 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-04 08:50:42,419 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-04 08:50:42,630 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 08:50:42,639 INFO L188 MainTranslator]: Completed pre-run [2019-10-04 08:50:42,664 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 08:50:42,774 INFO L192 MainTranslator]: Completed translation [2019-10-04 08:50:42,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 08:50:42 WrapperNode [2019-10-04 08:50:42,775 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-04 08:50:42,776 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-04 08:50:42,776 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-04 08:50:42,776 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-04 08:50:42,791 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 08:50:42" (1/1) ... [2019-10-04 08:50:42,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 08:50:42" (1/1) ... [2019-10-04 08:50:42,802 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 08:50:42" (1/1) ... [2019-10-04 08:50:42,802 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 08:50:42" (1/1) ... [2019-10-04 08:50:42,814 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 08:50:42" (1/1) ... [2019-10-04 08:50:42,819 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 08:50:42" (1/1) ... [2019-10-04 08:50:42,821 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 08:50:42" (1/1) ... [2019-10-04 08:50:42,826 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-04 08:50:42,826 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-04 08:50:42,826 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-04 08:50:42,827 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-04 08:50:42,827 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 08:50:42" (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 [2019-10-04 08:50:42,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-04 08:50:42,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-04 08:50:42,883 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-10-04 08:50:42,883 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-04 08:50:42,883 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-04 08:50:42,883 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-04 08:50:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-04 08:50:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-10-04 08:50:42,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-04 08:50:42,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-04 08:50:42,885 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-04 08:50:42,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-04 08:50:42,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-04 08:50:42,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-04 08:50:42,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-04 08:50:42,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-04 08:50:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-04 08:50:43,246 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-04 08:50:43,247 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-10-04 08:50:43,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 08:50:43 BoogieIcfgContainer [2019-10-04 08:50:43,248 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-04 08:50:43,249 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-04 08:50:43,249 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-04 08:50:43,249 INFO L275 PluginConnector]: Sifa initialized [2019-10-04 08:50:43,251 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 08:50:43" (1/1) ... [2019-10-04 08:50:43,251 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 [2019-10-04 08:50:43,277 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-04 08:50:43,277 INFO L169 IcfgInterpreter]: Building call graph [2019-10-04 08:50:43,286 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-04 08:50:43,294 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-04 08:50:43,296 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-04 08:50:43,481 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-10-04 08:50:44,853 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-10-04 08:50:45,021 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2019-10-04 08:50:45,040 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2019-10-04 08:50:45,171 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2019-10-04 08:50:45,457 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-04 08:50:45,458 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-04 08:50:45,460 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 221#true [2019-10-04 08:50:45,475 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-04 08:50:45,475 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-04 08:50:45,481 INFO L168 Benchmark]: Toolchain (without parser) took 3087.81 ms. Allocated memory was 138.9 MB in the beginning and 222.3 MB in the end (delta: 83.4 MB). Free memory was 86.8 MB in the beginning and 86.1 MB in the end (delta: 736.2 kB). Peak memory consumption was 84.1 MB. Max. memory is 7.1 GB. [2019-10-04 08:50:45,482 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-04 08:50:45,483 INFO L168 Benchmark]: CACSL2BoogieTranslator took 385.97 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 86.6 MB in the beginning and 176.5 MB in the end (delta: -89.9 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2019-10-04 08:50:45,484 INFO L168 Benchmark]: Boogie Preprocessor took 50.08 ms. Allocated memory is still 199.2 MB. Free memory was 176.5 MB in the beginning and 174.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-10-04 08:50:45,486 INFO L168 Benchmark]: RCFGBuilder took 422.35 ms. Allocated memory is still 199.2 MB. Free memory was 174.6 MB in the beginning and 151.7 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2019-10-04 08:50:45,492 INFO L168 Benchmark]: Sifa took 2225.99 ms. Allocated memory was 199.2 MB in the beginning and 222.3 MB in the end (delta: 23.1 MB). Free memory was 151.7 MB in the beginning and 86.1 MB in the end (delta: 65.7 MB). Peak memory consumption was 88.7 MB. Max. memory is 7.1 GB. [2019-10-04 08:50:45,503 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 385.97 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 86.6 MB in the beginning and 176.5 MB in the end (delta: -89.9 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 50.08 ms. Allocated memory is still 199.2 MB. Free memory was 176.5 MB in the beginning and 174.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 422.35 ms. Allocated memory is still 199.2 MB. Free memory was 174.6 MB in the beginning and 151.7 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. * Sifa took 2225.99 ms. Allocated memory was 199.2 MB in the beginning and 222.3 MB in the end (delta: 23.1 MB). Free memory was 151.7 MB in the beginning and 86.1 MB in the end (delta: 65.7 MB). Peak memory consumption was 88.7 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]: 2183, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 32, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 25, TOOLS_POST_TIME[ms]: 1451, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 20, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 6, TOOLS_QUANTIFIERELIM_APPLICATIONS: 32, TOOLS_QUANTIFIERELIM_TIME[ms]: 1450, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 765, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 38, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 11, DOMAIN_JOIN_TIME[ms]: 95, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 324, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 121, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 75, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 3, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 804, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 804, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 138, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 138, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 20, DAG_COMPRESSION_PROCESSED_NODES: 119, DAG_COMPRESSION_RETAINED_NODES: 43 - UnprovableResult [Line: 51]: 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 221#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...