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/Problem04_label55.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-05 17:11:44,322 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-05 17:11:44,324 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-05 17:11:44,336 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-05 17:11:44,337 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-05 17:11:44,338 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-05 17:11:44,339 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-05 17:11:44,341 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-05 17:11:44,342 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-05 17:11:44,343 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-05 17:11:44,344 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-05 17:11:44,345 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-05 17:11:44,346 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-05 17:11:44,346 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-05 17:11:44,347 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-05 17:11:44,349 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-05 17:11:44,349 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-05 17:11:44,350 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-05 17:11:44,352 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-05 17:11:44,354 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-05 17:11:44,356 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-05 17:11:44,357 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-05 17:11:44,358 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-05 17:11:44,359 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-05 17:11:44,361 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-05 17:11:44,361 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-05 17:11:44,362 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-05 17:11:44,362 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-05 17:11:44,363 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-05 17:11:44,364 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-05 17:11:44,364 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-05 17:11:44,365 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-05 17:11:44,366 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-05 17:11:44,366 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-05 17:11:44,367 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-05 17:11:44,368 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-05 17:11:44,368 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-05 17:11:44,368 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-05 17:11:44,369 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-05 17:11:44,370 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-05 17:11:44,370 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-05 17:11:44,371 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 17:11:44,394 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-05 17:11:44,396 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-05 17:11:44,397 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-05 17:11:44,397 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-05 17:11:44,398 INFO L138 SettingsManager]: * Use SBE=true [2019-09-05 17:11:44,398 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-05 17:11:44,399 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-05 17:11:44,399 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-05 17:11:44,399 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-05 17:11:44,399 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-05 17:11:44,399 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-05 17:11:44,399 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-05 17:11:44,400 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-05 17:11:44,400 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-05 17:11:44,400 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-05 17:11:44,401 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-05 17:11:44,401 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-05 17:11:44,402 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-05 17:11:44,402 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-05 17:11:44,402 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-05 17:11:44,403 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-05 17:11:44,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-05 17:11:44,403 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-05 17:11:44,403 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-05 17:11:44,404 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-05 17:11:44,404 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-05 17:11:44,404 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-05 17:11:44,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-05 17:11:44,404 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 17:11:44,457 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-05 17:11:44,469 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-05 17:11:44,472 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-05 17:11:44,474 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-05 17:11:44,474 INFO L275 PluginConnector]: CDTParser initialized [2019-09-05 17:11:44,475 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem04_label55.c [2019-09-05 17:11:44,538 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d52c17363/a481281307fa4f8ca5d0a55c2099de41/FLAG9742a45ba [2019-09-05 17:11:45,308 INFO L306 CDTParser]: Found 1 translation units. [2019-09-05 17:11:45,310 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem04_label55.c [2019-09-05 17:11:45,349 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d52c17363/a481281307fa4f8ca5d0a55c2099de41/FLAG9742a45ba [2019-09-05 17:11:45,845 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d52c17363/a481281307fa4f8ca5d0a55c2099de41 [2019-09-05 17:11:45,856 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-05 17:11:45,858 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-05 17:11:45,859 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-05 17:11:45,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-05 17:11:45,863 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-05 17:11:45,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 05:11:45" (1/1) ... [2019-09-05 17:11:45,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45bc7d5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:11:45, skipping insertion in model container [2019-09-05 17:11:45,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 05:11:45" (1/1) ... [2019-09-05 17:11:45,876 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-05 17:11:46,038 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-05 17:11:47,481 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 17:11:47,487 INFO L188 MainTranslator]: Completed pre-run [2019-09-05 17:11:48,209 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 17:11:48,254 INFO L192 MainTranslator]: Completed translation [2019-09-05 17:11:48,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:11:48 WrapperNode [2019-09-05 17:11:48,255 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-05 17:11:48,256 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-05 17:11:48,256 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-05 17:11:48,256 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-05 17:11:48,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:11:48" (1/1) ... [2019-09-05 17:11:48,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:11:48" (1/1) ... [2019-09-05 17:11:48,351 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:11:48" (1/1) ... [2019-09-05 17:11:48,353 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:11:48" (1/1) ... [2019-09-05 17:11:48,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:11:48" (1/1) ... [2019-09-05 17:11:48,504 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:11:48" (1/1) ... [2019-09-05 17:11:48,527 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:11:48" (1/1) ... [2019-09-05 17:11:48,559 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-05 17:11:48,560 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-05 17:11:48,560 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-05 17:11:48,560 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-05 17:11:48,562 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:11:48" (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 17:11:48,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-05 17:11:48,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-05 17:11:48,644 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-09-05 17:11:48,645 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-09-05 17:11:48,645 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-09-05 17:11:48,645 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-09-05 17:11:48,645 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-05 17:11:48,645 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-09-05 17:11:48,646 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-09-05 17:11:48,646 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-09-05 17:11:48,646 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-09-05 17:11:48,647 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-05 17:11:48,647 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-05 17:11:48,647 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-05 17:11:48,648 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-05 17:11:48,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-05 17:11:48,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-05 17:11:53,417 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-05 17:11:53,418 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-05 17:11:53,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 05:11:53 BoogieIcfgContainer [2019-09-05 17:11:53,423 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-05 17:11:53,424 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-05 17:11:53,424 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-05 17:11:53,424 INFO L275 PluginConnector]: Sifa initialized [2019-09-05 17:11:53,425 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 05:11:53" (1/1) ... [2019-09-05 17:11:53,426 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 17:11:53,473 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-05 17:11:53,477 INFO L169 IcfgInterpreter]: Building call graph [2019-09-05 17:11:53,503 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-05 17:11:53,519 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-05 17:11:53,521 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-05 17:11:53,674 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 89 for LOIs [2019-09-05 17:12:54,229 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 80 for LOIs [2019-09-05 17:12:57,005 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output2 with input of size 87 for LOIs [2019-09-05 17:12:59,967 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output3 with input of size 87 for LOIs [2019-09-05 17:13:03,920 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output4 with input of size 87 for LOIs [2019-09-05 17:13:05,226 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-05 17:13:05,226 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-05 17:13:05,228 INFO L193 IcfgInterpreter]: Reachable states at location calculate_output4Err0ASSERT_VIOLATIONERROR_FUNCTION satisfy 18670#(and (<= 21 ~u~0) (<= ~b~0 2) (<= 1 ~a3~0) (<= ~x~0 24) (<= ~a4~0 17) (<= |calculate_output4_#in~input| 6) (<= 6 ~f~0) (<= ~a7~0 1) (<= 1 ~a7~0) (<= 1 ~a~0) (<= 23 ~w~0) (<= ~z~0 26) (<= 3 ~c~0) (<= ~c~0 3) (<= |old(~a7~0)| 1) (<= 17 ~a4~0) (<= ~w~0 23) (<= 5 ~e~0) (<= ~a~0 1) (<= 1 ~a25~0) (<= ~d~0 4) (<= 15 ~a28~0) (<= ~a3~0 1) (<= ~a28~0 15) (<= 1 calculate_output4_~input) (<= calculate_output4_~input 6) (<= 25 ~y~0) (<= ~y~0 25) (<= 22 ~v~0) (<= 15 |old(~a28~0)|) (<= 1 ~a1~0) (<= ~a25~0 1) (<= 2 ~b~0) (<= ~f~0 6) (<= 1 |calculate_output4_#in~input|) (<= 19 ~a26~0) (<= ~v~0 22) (<= 4 ~d~0) (<= ~u~0 21) (<= 26 ~z~0) (<= |old(~a3~0)| 1) (<= ~a1~0 1) (<= 18 ~a14~0) (<= 24 ~x~0) (<= ~e~0 5) (<= ~a14~0 18) (<= ~a26~0 19)) [2019-09-05 17:13:05,267 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-05 17:13:05,267 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-05 17:13:05,270 INFO L168 Benchmark]: Toolchain (without parser) took 79411.42 ms. Allocated memory was 133.7 MB in the beginning and 2.8 GB in the end (delta: 2.6 GB). Free memory was 73.6 MB in the beginning and 635.1 MB in the end (delta: -561.5 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2019-09-05 17:13:05,271 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 133.7 MB. Free memory is still 106.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-05 17:13:05,272 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2396.05 ms. Allocated memory was 133.7 MB in the beginning and 272.6 MB in the end (delta: 138.9 MB). Free memory was 73.2 MB in the beginning and 184.9 MB in the end (delta: -111.8 MB). Peak memory consumption was 114.6 MB. Max. memory is 7.1 GB. [2019-09-05 17:13:05,273 INFO L168 Benchmark]: Boogie Preprocessor took 303.46 ms. Allocated memory is still 272.6 MB. Free memory was 184.9 MB in the beginning and 156.2 MB in the end (delta: 28.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 7.1 GB. [2019-09-05 17:13:05,274 INFO L168 Benchmark]: RCFGBuilder took 4863.48 ms. Allocated memory was 272.6 MB in the beginning and 443.5 MB in the end (delta: 170.9 MB). Free memory was 156.2 MB in the beginning and 319.5 MB in the end (delta: -163.3 MB). Peak memory consumption was 206.7 MB. Max. memory is 7.1 GB. [2019-09-05 17:13:05,275 INFO L168 Benchmark]: Sifa took 71843.75 ms. Allocated memory was 443.5 MB in the beginning and 2.8 GB in the end (delta: 2.3 GB). Free memory was 319.5 MB in the beginning and 635.1 MB in the end (delta: -315.6 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2019-09-05 17:13:05,279 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 133.7 MB. Free memory is still 106.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2396.05 ms. Allocated memory was 133.7 MB in the beginning and 272.6 MB in the end (delta: 138.9 MB). Free memory was 73.2 MB in the beginning and 184.9 MB in the end (delta: -111.8 MB). Peak memory consumption was 114.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 303.46 ms. Allocated memory is still 272.6 MB. Free memory was 184.9 MB in the beginning and 156.2 MB in the end (delta: 28.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4863.48 ms. Allocated memory was 272.6 MB in the beginning and 443.5 MB in the end (delta: 170.9 MB). Free memory was 156.2 MB in the beginning and 319.5 MB in the end (delta: -163.3 MB). Peak memory consumption was 206.7 MB. Max. memory is 7.1 GB. * Sifa took 71843.75 ms. Allocated memory was 443.5 MB in the beginning and 2.8 GB in the end (delta: 2.3 GB). Free memory was 319.5 MB in the beginning and 635.1 MB in the end (delta: -315.6 MB). Peak memory consumption was 2.0 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]: 71755, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 9028, DAG_INTERPRETER_EARLY_EXITS: 265, TOOLS_POST_APPLICATIONS: 8725, TOOLS_POST_TIME[ms]: 5819, TOOLS_POST_CALL_APPLICATIONS: 22, TOOLS_POST_CALL_TIME[ms]: 127, TOOLS_POST_RETURN_APPLICATIONS: 17, TOOLS_POST_RETURN_TIME[ms]: 76, TOOLS_QUANTIFIERELIM_TIME[ms]: 4612, FLUID_QUERY_TIME[ms]: 118, FLUID_QUERIES: 9032, FLUID_YES_ANSWERS: 6538, DOMAIN_JOIN_APPLICATIONS: 3363, DOMAIN_JOIN_TIME[ms]: 3161, DOMAIN_ALPHA_APPLICATIONS: 6538, DOMAIN_ALPHA_TIME[ms]: 53331, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 5, DOMAIN_ISSUBSETEQ_APPLICATIONS: 28, DOMAIN_ISSUBSETEQ_TIME[ms]: 57, DOMAIN_ISBOTTOM_APPLICATIONS: 3855, DOMAIN_ISBOTTOM_TIME[ms]: 7902, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 60530, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 60529, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 17, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 60500, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 15, PATH_EXPR_TIME[ms]: 89, REGEX_TO_DAG_TIME[ms]: 16, DAG_COMPRESSION_TIME[ms]: 414, DAG_COMPRESSION_PROCESSED_NODES: 42359, DAG_COMPRESSION_RETAINED_NODES: 2944 - UnprovableResult [Line: 4679]: 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 18670#(and (<= 21 ~u~0) (<= ~b~0 2) (<= 1 ~a3~0) (<= ~x~0 24) (<= ~a4~0 17) (<= |calculate_output4_#in~input| 6) (<= 6 ~f~0) (<= ~a7~0 1) (<= 1 ~a7~0) (<= 1 ~a~0) (<= 23 ~w~0) (<= ~z~0 26) (<= 3 ~c~0) (<= ~c~0 3) (<= |old(~a7~0)| 1) (<= 17 ~a4~0) (<= ~w~0 23) (<= 5 ~e~0) (<= ~a~0 1) (<= 1 ~a25~0) (<= ~d~0 4) (<= 15 ~a28~0) (<= ~a3~0 1) (<= ~a28~0 15) (<= 1 calculate_output4_~input) (<= calculate_output4_~input 6) (<= 25 ~y~0) (<= ~y~0 25) (<= 22 ~v~0) (<= 15 |old(~a28~0)|) (<= 1 ~a1~0) (<= ~a25~0 1) (<= 2 ~b~0) (<= ~f~0 6) (<= 1 |calculate_output4_#in~input|) (<= 19 ~a26~0) (<= ~v~0 22) (<= 4 ~d~0) (<= ~u~0 21) (<= 26 ~z~0) (<= |old(~a3~0)| 1) (<= ~a1~0 1) (<= 18 ~a14~0) (<= 24 ~x~0) (<= ~e~0 5) (<= ~a14~0 18) (<= ~a26~0 19)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...