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/eca-rers2012/Problem01_label48.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-05 16:03:33,412 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-05 16:03:33,414 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-05 16:03:33,425 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-05 16:03:33,426 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-05 16:03:33,427 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-05 16:03:33,428 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-05 16:03:33,430 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-05 16:03:33,432 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-05 16:03:33,432 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-05 16:03:33,433 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-05 16:03:33,434 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-05 16:03:33,435 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-05 16:03:33,436 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-05 16:03:33,436 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-05 16:03:33,437 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-05 16:03:33,438 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-05 16:03:33,439 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-05 16:03:33,441 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-05 16:03:33,443 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-05 16:03:33,444 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-05 16:03:33,445 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-05 16:03:33,446 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-05 16:03:33,447 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-05 16:03:33,450 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-05 16:03:33,450 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-05 16:03:33,450 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-05 16:03:33,451 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-05 16:03:33,452 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-05 16:03:33,453 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-05 16:03:33,453 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-05 16:03:33,454 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-05 16:03:33,454 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-05 16:03:33,455 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-05 16:03:33,456 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-05 16:03:33,456 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-05 16:03:33,457 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-05 16:03:33,457 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-05 16:03:33,457 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-05 16:03:33,458 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-05 16:03:33,459 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-05 16:03:33,460 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 [2019-09-05 16:03:33,474 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-05 16:03:33,475 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-05 16:03:33,476 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-05 16:03:33,476 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-05 16:03:33,476 INFO L138 SettingsManager]: * Use SBE=true [2019-09-05 16:03:33,477 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-05 16:03:33,477 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-05 16:03:33,477 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-05 16:03:33,477 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-05 16:03:33,477 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-05 16:03:33,478 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-05 16:03:33,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-05 16:03:33,478 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-05 16:03:33,478 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-05 16:03:33,478 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-05 16:03:33,479 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-05 16:03:33,479 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-05 16:03:33,479 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-05 16:03:33,479 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-05 16:03:33,479 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-05 16:03:33,480 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-05 16:03:33,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-05 16:03:33,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-05 16:03:33,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-05 16:03:33,480 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-05 16:03:33,481 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-05 16:03:33,481 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-05 16:03:33,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-05 16:03:33,481 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 [2019-09-05 16:03:33,522 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-05 16:03:33,536 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-05 16:03:33,539 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-05 16:03:33,541 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-05 16:03:33,541 INFO L275 PluginConnector]: CDTParser initialized [2019-09-05 16:03:33,542 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label48.c [2019-09-05 16:03:33,615 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24ea1424f/e8272b7d9a6e4b9fb28605ba13acf39e/FLAG038c16da7 [2019-09-05 16:03:34,210 INFO L306 CDTParser]: Found 1 translation units. [2019-09-05 16:03:34,214 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label48.c [2019-09-05 16:03:34,234 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24ea1424f/e8272b7d9a6e4b9fb28605ba13acf39e/FLAG038c16da7 [2019-09-05 16:03:34,517 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24ea1424f/e8272b7d9a6e4b9fb28605ba13acf39e [2019-09-05 16:03:34,528 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-05 16:03:34,530 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-05 16:03:34,531 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-05 16:03:34,531 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-05 16:03:34,535 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-05 16:03:34,536 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 04:03:34" (1/1) ... [2019-09-05 16:03:34,539 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57527d03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 04:03:34, skipping insertion in model container [2019-09-05 16:03:34,539 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 04:03:34" (1/1) ... [2019-09-05 16:03:34,547 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-05 16:03:34,590 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-05 16:03:35,081 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 16:03:35,089 INFO L188 MainTranslator]: Completed pre-run [2019-09-05 16:03:35,219 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 16:03:35,237 INFO L192 MainTranslator]: Completed translation [2019-09-05 16:03:35,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 04:03:35 WrapperNode [2019-09-05 16:03:35,237 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-05 16:03:35,238 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-05 16:03:35,238 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-05 16:03:35,238 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-05 16:03:35,248 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 04:03:35" (1/1) ... [2019-09-05 16:03:35,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 04:03:35" (1/1) ... [2019-09-05 16:03:35,265 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 04:03:35" (1/1) ... [2019-09-05 16:03:35,266 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 04:03:35" (1/1) ... [2019-09-05 16:03:35,308 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 04:03:35" (1/1) ... [2019-09-05 16:03:35,326 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 04:03:35" (1/1) ... [2019-09-05 16:03:35,330 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 04:03:35" (1/1) ... [2019-09-05 16:03:35,338 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-05 16:03:35,338 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-05 16:03:35,339 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-05 16:03:35,339 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-05 16:03:35,340 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 04:03:35" (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 [2019-09-05 16:03:35,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-05 16:03:35,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-05 16:03:35,393 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-09-05 16:03:35,393 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-05 16:03:35,394 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-09-05 16:03:35,394 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-05 16:03:35,394 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-05 16:03:35,395 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-05 16:03:35,395 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-05 16:03:35,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-05 16:03:35,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-05 16:03:36,627 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-05 16:03:36,630 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-05 16:03:36,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 04:03:36 BoogieIcfgContainer [2019-09-05 16:03:36,632 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-05 16:03:36,633 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-05 16:03:36,633 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-05 16:03:36,634 INFO L275 PluginConnector]: Sifa initialized [2019-09-05 16:03:36,635 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 04:03:36" (1/1) ... [2019-09-05 16:03:36,637 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 [2019-09-05 16:03:36,673 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-05 16:03:36,673 INFO L169 IcfgInterpreter]: Building call graph [2019-09-05 16:03:36,695 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-05 16:03:36,708 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-05 16:03:36,710 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-05 16:03:36,825 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 85 for LOIs [2019-09-05 16:04:49,465 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 91 for LOIs [2019-09-05 16:05:20,830 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-05 16:05:20,830 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-05 16:05:20,832 INFO L193 IcfgInterpreter]: Reachable states at location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 8772#(and (<= 21 ~u~0) (<= ~b~0 2) (<= |old(~a21~0)| 1) (<= 1 calculate_output_~input) (<= ~x~0 24) (<= 1 |calculate_output_#in~input|) (<= 6 ~f~0) (<= |old(~a17~0)| 1) (<= ~a12~0 8) (<= |calculate_output_#in~input| 6) (<= 1 ~a~0) (<= 5 ~a16~0) (<= 23 ~w~0) (<= ~z~0 26) (<= 3 ~c~0) (<= ~c~0 3) (<= 0 ~a7~0) (<= ~a17~0 1) (<= 14 ~a8~0) (<= ~w~0 23) (<= ~a20~0 1) (<= 5 ~e~0) (<= ~a~0 1) (<= 1 ~a21~0) (<= ~d~0 4) (<= 25 ~y~0) (<= ~a16~0 5) (<= ~y~0 25) (<= 22 ~v~0) (<= 8 ~a12~0) (<= ~a21~0 1) (<= 1 ~a17~0) (<= |old(~a20~0)| 1) (<= ~a8~0 14) (<= calculate_output_~input 6) (<= 2 ~b~0) (<= ~f~0 6) (<= ~v~0 22) (<= 4 ~d~0) (<= |old(~a8~0)| 15) (<= ~u~0 21) (<= 26 ~z~0) (<= 0 |old(~a7~0)|) (<= 24 ~x~0) (<= ~e~0 5) (<= 1 ~a20~0)) [2019-09-05 16:05:20,858 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-05 16:05:20,859 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-05 16:05:20,862 INFO L168 Benchmark]: Toolchain (without parser) took 106331.06 ms. Allocated memory was 132.6 MB in the beginning and 2.9 GB in the end (delta: 2.8 GB). Free memory was 86.5 MB in the beginning and 214.9 MB in the end (delta: -128.4 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2019-09-05 16:05:20,863 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-05 16:05:20,864 INFO L168 Benchmark]: CACSL2BoogieTranslator took 706.40 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 86.3 MB in the beginning and 158.4 MB in the end (delta: -72.1 MB). Peak memory consumption was 30.9 MB. Max. memory is 7.1 GB. [2019-09-05 16:05:20,864 INFO L168 Benchmark]: Boogie Preprocessor took 100.16 ms. Allocated memory is still 200.3 MB. Free memory was 158.4 MB in the beginning and 153.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2019-09-05 16:05:20,865 INFO L168 Benchmark]: RCFGBuilder took 1294.39 ms. Allocated memory was 200.3 MB in the beginning and 223.3 MB in the end (delta: 23.1 MB). Free memory was 153.2 MB in the beginning and 168.9 MB in the end (delta: -15.7 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. [2019-09-05 16:05:20,867 INFO L168 Benchmark]: Sifa took 104225.57 ms. Allocated memory was 223.3 MB in the beginning and 2.9 GB in the end (delta: 2.7 GB). Free memory was 168.9 MB in the beginning and 214.9 MB in the end (delta: -46.0 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2019-09-05 16:05:20,870 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 132.6 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 706.40 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 86.3 MB in the beginning and 158.4 MB in the end (delta: -72.1 MB). Peak memory consumption was 30.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 100.16 ms. Allocated memory is still 200.3 MB. Free memory was 158.4 MB in the beginning and 153.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1294.39 ms. Allocated memory was 200.3 MB in the beginning and 223.3 MB in the end (delta: 23.1 MB). Free memory was 153.2 MB in the beginning and 168.9 MB in the end (delta: -15.7 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. * Sifa took 104225.57 ms. Allocated memory was 223.3 MB in the beginning and 2.9 GB in the end (delta: 2.7 GB). Free memory was 168.9 MB in the beginning and 214.9 MB in the end (delta: -46.0 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 104160, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 6211, DAG_INTERPRETER_EARLY_EXITS: 1165, TOOLS_POST_APPLICATIONS: 5792, TOOLS_POST_TIME[ms]: 3238, TOOLS_POST_CALL_APPLICATIONS: 6, TOOLS_POST_CALL_TIME[ms]: 45, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 16, TOOLS_QUANTIFIERELIM_TIME[ms]: 2458, FLUID_QUERY_TIME[ms]: 73, FLUID_QUERIES: 6214, FLUID_YES_ANSWERS: 2122, DOMAIN_JOIN_APPLICATIONS: 844, DOMAIN_JOIN_TIME[ms]: 5667, DOMAIN_ALPHA_APPLICATIONS: 2122, DOMAIN_ALPHA_TIME[ms]: 88876, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 2, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 22, DOMAIN_ISBOTTOM_APPLICATIONS: 2930, DOMAIN_ISBOTTOM_TIME[ms]: 5457, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 72631, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 72630, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 72606, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 11, PATH_EXPR_TIME[ms]: 30, REGEX_TO_DAG_TIME[ms]: 12, DAG_COMPRESSION_TIME[ms]: 390, DAG_COMPRESSION_PROCESSED_NODES: 21814, DAG_COMPRESSION_RETAINED_NODES: 6306 - UnprovableResult [Line: 539]: 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 8772#(and (<= 21 ~u~0) (<= ~b~0 2) (<= |old(~a21~0)| 1) (<= 1 calculate_output_~input) (<= ~x~0 24) (<= 1 |calculate_output_#in~input|) (<= 6 ~f~0) (<= |old(~a17~0)| 1) (<= ~a12~0 8) (<= |calculate_output_#in~input| 6) (<= 1 ~a~0) (<= 5 ~a16~0) (<= 23 ~w~0) (<= ~z~0 26) (<= 3 ~c~0) (<= ~c~0 3) (<= 0 ~a7~0) (<= ~a17~0 1) (<= 14 ~a8~0) (<= ~w~0 23) (<= ~a20~0 1) (<= 5 ~e~0) (<= ~a~0 1) (<= 1 ~a21~0) (<= ~d~0 4) (<= 25 ~y~0) (<= ~a16~0 5) (<= ~y~0 25) (<= 22 ~v~0) (<= 8 ~a12~0) (<= ~a21~0 1) (<= 1 ~a17~0) (<= |old(~a20~0)| 1) (<= ~a8~0 14) (<= calculate_output_~input 6) (<= 2 ~b~0) (<= ~f~0 6) (<= ~v~0 22) (<= 4 ~d~0) (<= |old(~a8~0)| 15) (<= ~u~0 21) (<= 26 ~z~0) (<= 0 |old(~a7~0)|) (<= 24 ~x~0) (<= ~e~0 5) (<= 1 ~a20~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...