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_label49.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-05 17:10:29,273 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-05 17:10:29,275 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-05 17:10:29,287 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-05 17:10:29,287 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-05 17:10:29,288 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-05 17:10:29,290 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-05 17:10:29,291 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-05 17:10:29,293 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-05 17:10:29,294 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-05 17:10:29,295 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-05 17:10:29,296 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-05 17:10:29,296 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-05 17:10:29,297 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-05 17:10:29,298 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-05 17:10:29,301 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-05 17:10:29,302 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-05 17:10:29,305 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-05 17:10:29,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-05 17:10:29,311 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-05 17:10:29,312 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-05 17:10:29,317 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-05 17:10:29,318 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-05 17:10:29,320 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-05 17:10:29,325 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-05 17:10:29,325 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-05 17:10:29,325 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-05 17:10:29,327 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-05 17:10:29,328 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-05 17:10:29,329 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-05 17:10:29,329 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-05 17:10:29,332 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-05 17:10:29,334 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-05 17:10:29,335 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-05 17:10:29,336 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-05 17:10:29,336 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-05 17:10:29,337 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-05 17:10:29,339 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-05 17:10:29,340 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-05 17:10:29,341 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-05 17:10:29,342 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-05 17:10:29,343 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 17:10:29,356 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-05 17:10:29,357 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-05 17:10:29,358 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-05 17:10:29,358 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-05 17:10:29,358 INFO L138 SettingsManager]: * Use SBE=true [2019-09-05 17:10:29,359 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-05 17:10:29,359 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-05 17:10:29,359 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-05 17:10:29,359 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-05 17:10:29,359 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-05 17:10:29,360 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-05 17:10:29,360 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-05 17:10:29,360 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-05 17:10:29,360 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-05 17:10:29,360 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-05 17:10:29,361 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-05 17:10:29,361 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-05 17:10:29,361 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-05 17:10:29,361 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-05 17:10:29,361 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-05 17:10:29,362 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-05 17:10:29,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-05 17:10:29,362 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-05 17:10:29,362 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-05 17:10:29,363 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-05 17:10:29,363 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-05 17:10:29,363 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-05 17:10:29,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-05 17:10:29,363 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 17:10:29,411 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-05 17:10:29,422 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-05 17:10:29,425 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-05 17:10:29,426 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-05 17:10:29,427 INFO L275 PluginConnector]: CDTParser initialized [2019-09-05 17:10:29,428 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem04_label49.c [2019-09-05 17:10:29,474 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfb74f4be/bbd80ee15ac34d8d8a952a7503a9d6c5/FLAG4f5b30972 [2019-09-05 17:10:30,303 INFO L306 CDTParser]: Found 1 translation units. [2019-09-05 17:10:30,305 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem04_label49.c [2019-09-05 17:10:30,342 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfb74f4be/bbd80ee15ac34d8d8a952a7503a9d6c5/FLAG4f5b30972 [2019-09-05 17:10:30,818 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfb74f4be/bbd80ee15ac34d8d8a952a7503a9d6c5 [2019-09-05 17:10:30,830 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-05 17:10:30,831 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-05 17:10:30,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-05 17:10:30,833 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-05 17:10:30,836 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-05 17:10:30,837 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 05:10:30" (1/1) ... [2019-09-05 17:10:30,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@940a98f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:10:30, skipping insertion in model container [2019-09-05 17:10:30,843 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 05:10:30" (1/1) ... [2019-09-05 17:10:30,856 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-05 17:10:31,030 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-05 17:10:32,501 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 17:10:32,513 INFO L188 MainTranslator]: Completed pre-run [2019-09-05 17:10:33,536 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 17:10:33,581 INFO L192 MainTranslator]: Completed translation [2019-09-05 17:10:33,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:10:33 WrapperNode [2019-09-05 17:10:33,582 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-05 17:10:33,583 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-05 17:10:33,583 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-05 17:10:33,583 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-05 17:10:33,599 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:10:33" (1/1) ... [2019-09-05 17:10:33,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:10:33" (1/1) ... [2019-09-05 17:10:33,662 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:10:33" (1/1) ... [2019-09-05 17:10:33,664 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:10:33" (1/1) ... [2019-09-05 17:10:33,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:10:33" (1/1) ... [2019-09-05 17:10:33,822 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:10:33" (1/1) ... [2019-09-05 17:10:33,862 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:10:33" (1/1) ... [2019-09-05 17:10:33,903 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-05 17:10:33,904 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-05 17:10:33,905 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-05 17:10:33,905 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-05 17:10:33,906 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:10:33" (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 17:10:33,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-05 17:10:33,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-05 17:10:33,972 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-09-05 17:10:33,972 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-09-05 17:10:33,972 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-09-05 17:10:33,972 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-09-05 17:10:33,972 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-05 17:10:33,973 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-09-05 17:10:33,973 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-09-05 17:10:33,973 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-09-05 17:10:33,973 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-09-05 17:10:33,974 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-05 17:10:33,974 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-05 17:10:33,974 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-05 17:10:33,975 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-05 17:10:33,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-05 17:10:33,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-05 17:10:38,386 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-05 17:10:38,392 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-05 17:10:38,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 05:10:38 BoogieIcfgContainer [2019-09-05 17:10:38,394 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-05 17:10:38,395 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-05 17:10:38,395 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-05 17:10:38,397 INFO L275 PluginConnector]: Sifa initialized [2019-09-05 17:10:38,398 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 05:10:38" (1/1) ... [2019-09-05 17:10:38,399 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 17:10:38,424 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-05 17:10:38,425 INFO L169 IcfgInterpreter]: Building call graph [2019-09-05 17:10:38,443 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-05 17:10:38,456 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-05 17:10:38,458 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-05 17:10:38,573 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 89 for LOIs [2019-09-05 17:11:35,625 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 80 for LOIs [2019-09-05 17:11:38,476 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output2 with input of size 87 for LOIs [2019-09-05 17:11:41,436 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output3 with input of size 87 for LOIs [2019-09-05 17:11:45,371 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output4 with input of size 87 for LOIs [2019-09-05 17:11:46,937 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-05 17:11:46,937 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-05 17:11:46,940 INFO L193 IcfgInterpreter]: Reachable states at location calculate_output4Err0ASSERT_VIOLATIONERROR_FUNCTION satisfy 19041#(and (<= 21 ~u~0) (<= ~b~0 2) (<= 1 ~a3~0) (<= ~x~0 24) (<= |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 ~a28~0) (<= ~w~0 23) (<= ~a28~0 17) (<= ~a4~0 16) (<= 5 ~e~0) (<= ~a~0 1) (<= 1 ~a25~0) (<= ~d~0 4) (<= ~a3~0 1) (<= 1 calculate_output4_~input) (<= calculate_output4_~input 6) (<= 25 ~y~0) (<= ~y~0 25) (<= 22 ~v~0) (<= 15 |old(~a28~0)|) (<= 16 ~a4~0) (<= 1 ~a1~0) (<= ~a25~0 1) (<= 2 ~b~0) (<= ~f~0 6) (<= 1 |calculate_output4_#in~input|) (<= ~a14~0 20) (<= 19 ~a26~0) (<= 20 ~a14~0) (<= ~v~0 22) (<= 4 ~d~0) (<= ~u~0 21) (<= 26 ~z~0) (<= |old(~a3~0)| 1) (<= ~a1~0 1) (<= 24 ~x~0) (<= ~e~0 5) (<= ~a26~0 19)) [2019-09-05 17:11:46,952 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-05 17:11:46,953 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-05 17:11:46,956 INFO L168 Benchmark]: Toolchain (without parser) took 76123.30 ms. Allocated memory was 138.9 MB in the beginning and 2.7 GB in the end (delta: 2.6 GB). Free memory was 69.7 MB in the beginning and 593.1 MB in the end (delta: -523.4 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2019-09-05 17:11:46,958 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 138.9 MB. Free memory was 103.6 MB in the beginning and 103.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-05 17:11:46,963 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2749.91 ms. Allocated memory was 138.9 MB in the beginning and 270.5 MB in the end (delta: 131.6 MB). Free memory was 69.5 MB in the beginning and 188.0 MB in the end (delta: -118.6 MB). Peak memory consumption was 103.5 MB. Max. memory is 7.1 GB. [2019-09-05 17:11:46,964 INFO L168 Benchmark]: Boogie Preprocessor took 321.31 ms. Allocated memory is still 270.5 MB. Free memory was 188.0 MB in the beginning and 158.9 MB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 7.1 GB. [2019-09-05 17:11:46,965 INFO L168 Benchmark]: RCFGBuilder took 4489.85 ms. Allocated memory was 270.5 MB in the beginning and 372.2 MB in the end (delta: 101.7 MB). Free memory was 158.9 MB in the beginning and 69.9 MB in the end (delta: 89.0 MB). Peak memory consumption was 209.4 MB. Max. memory is 7.1 GB. [2019-09-05 17:11:46,972 INFO L168 Benchmark]: Sifa took 68558.04 ms. Allocated memory was 372.2 MB in the beginning and 2.7 GB in the end (delta: 2.4 GB). Free memory was 69.9 MB in the beginning and 593.1 MB in the end (delta: -523.2 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2019-09-05 17:11:46,983 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 138.9 MB. Free memory was 103.6 MB in the beginning and 103.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2749.91 ms. Allocated memory was 138.9 MB in the beginning and 270.5 MB in the end (delta: 131.6 MB). Free memory was 69.5 MB in the beginning and 188.0 MB in the end (delta: -118.6 MB). Peak memory consumption was 103.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 321.31 ms. Allocated memory is still 270.5 MB. Free memory was 188.0 MB in the beginning and 158.9 MB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4489.85 ms. Allocated memory was 270.5 MB in the beginning and 372.2 MB in the end (delta: 101.7 MB). Free memory was 158.9 MB in the beginning and 69.9 MB in the end (delta: 89.0 MB). Peak memory consumption was 209.4 MB. Max. memory is 7.1 GB. * Sifa took 68558.04 ms. Allocated memory was 372.2 MB in the beginning and 2.7 GB in the end (delta: 2.4 GB). Free memory was 69.9 MB in the beginning and 593.1 MB in the end (delta: -523.2 MB). Peak memory consumption was 1.8 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]: 68516, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 9345, DAG_INTERPRETER_EARLY_EXITS: 304, TOOLS_POST_APPLICATIONS: 9006, TOOLS_POST_TIME[ms]: 5867, TOOLS_POST_CALL_APPLICATIONS: 22, TOOLS_POST_CALL_TIME[ms]: 100, TOOLS_POST_RETURN_APPLICATIONS: 17, TOOLS_POST_RETURN_TIME[ms]: 74, TOOLS_QUANTIFIERELIM_TIME[ms]: 4586, FLUID_QUERY_TIME[ms]: 109, FLUID_QUERIES: 9349, FLUID_YES_ANSWERS: 6576, DOMAIN_JOIN_APPLICATIONS: 3415, DOMAIN_JOIN_TIME[ms]: 3204, DOMAIN_ALPHA_APPLICATIONS: 6576, DOMAIN_ALPHA_TIME[ms]: 50374, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 5, DOMAIN_ISSUBSETEQ_APPLICATIONS: 28, DOMAIN_ISSUBSETEQ_TIME[ms]: 54, DOMAIN_ISBOTTOM_APPLICATIONS: 3981, DOMAIN_ISBOTTOM_TIME[ms]: 7560, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 57040, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 57039, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 17, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 57014, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 67, PATH_EXPR_TIME[ms]: 105, REGEX_TO_DAG_TIME[ms]: 17, DAG_COMPRESSION_TIME[ms]: 408, DAG_COMPRESSION_PROCESSED_NODES: 43841, DAG_COMPRESSION_RETAINED_NODES: 3529 - UnprovableResult [Line: 4730]: 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 19041#(and (<= 21 ~u~0) (<= ~b~0 2) (<= 1 ~a3~0) (<= ~x~0 24) (<= |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 ~a28~0) (<= ~w~0 23) (<= ~a28~0 17) (<= ~a4~0 16) (<= 5 ~e~0) (<= ~a~0 1) (<= 1 ~a25~0) (<= ~d~0 4) (<= ~a3~0 1) (<= 1 calculate_output4_~input) (<= calculate_output4_~input 6) (<= 25 ~y~0) (<= ~y~0 25) (<= 22 ~v~0) (<= 15 |old(~a28~0)|) (<= 16 ~a4~0) (<= 1 ~a1~0) (<= ~a25~0 1) (<= 2 ~b~0) (<= ~f~0 6) (<= 1 |calculate_output4_#in~input|) (<= ~a14~0 20) (<= 19 ~a26~0) (<= 20 ~a14~0) (<= ~v~0 22) (<= 4 ~d~0) (<= ~u~0 21) (<= 26 ~z~0) (<= |old(~a3~0)| 1) (<= ~a1~0 1) (<= 24 ~x~0) (<= ~e~0 5) (<= ~a26~0 19)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...