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/Problem02_label23.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-05 16:06:43,423 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-05 16:06:43,425 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-05 16:06:43,437 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-05 16:06:43,438 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-05 16:06:43,439 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-05 16:06:43,440 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-05 16:06:43,442 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-05 16:06:43,444 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-05 16:06:43,445 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-05 16:06:43,446 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-05 16:06:43,448 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-05 16:06:43,448 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-05 16:06:43,449 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-05 16:06:43,450 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-05 16:06:43,451 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-05 16:06:43,452 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-05 16:06:43,453 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-05 16:06:43,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-05 16:06:43,456 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-05 16:06:43,458 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-05 16:06:43,459 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-05 16:06:43,460 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-05 16:06:43,461 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-05 16:06:43,463 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-05 16:06:43,466 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-05 16:06:43,466 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-05 16:06:43,467 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-05 16:06:43,468 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-05 16:06:43,469 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-05 16:06:43,469 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-05 16:06:43,470 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-05 16:06:43,470 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-05 16:06:43,470 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-05 16:06:43,471 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-05 16:06:43,472 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-05 16:06:43,473 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 [2019-09-05 16:06:43,487 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-05 16:06:43,487 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-05 16:06:43,489 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-05 16:06:43,489 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-05 16:06:43,489 INFO L138 SettingsManager]: * Use SBE=true [2019-09-05 16:06:43,489 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-05 16:06:43,489 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-05 16:06:43,490 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-05 16:06:43,490 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-05 16:06:43,490 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-05 16:06:43,490 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-05 16:06:43,490 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-05 16:06:43,491 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-05 16:06:43,491 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-05 16:06:43,491 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-05 16:06:43,491 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-05 16:06:43,491 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-05 16:06:43,492 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-05 16:06:43,492 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-05 16:06:43,492 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-05 16:06:43,492 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-05 16:06:43,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-05 16:06:43,493 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-05 16:06:43,493 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-05 16:06:43,493 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-05 16:06:43,493 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-05 16:06:43,493 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-05 16:06:43,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-05 16:06:43,494 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 16:06:43,538 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-05 16:06:43,553 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-05 16:06:43,558 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-05 16:06:43,559 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-05 16:06:43,560 INFO L275 PluginConnector]: CDTParser initialized [2019-09-05 16:06:43,561 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label23.c [2019-09-05 16:06:43,627 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b0f9c46c/03d20a88ffe14f329c422b00c316b724/FLAGc86f15585 [2019-09-05 16:06:44,233 INFO L306 CDTParser]: Found 1 translation units. [2019-09-05 16:06:44,234 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label23.c [2019-09-05 16:06:44,246 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b0f9c46c/03d20a88ffe14f329c422b00c316b724/FLAGc86f15585 [2019-09-05 16:06:44,426 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b0f9c46c/03d20a88ffe14f329c422b00c316b724 [2019-09-05 16:06:44,442 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-05 16:06:44,444 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-05 16:06:44,445 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-05 16:06:44,445 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-05 16:06:44,449 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-05 16:06:44,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 04:06:44" (1/1) ... [2019-09-05 16:06:44,454 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@695cd166 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 04:06:44, skipping insertion in model container [2019-09-05 16:06:44,454 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 04:06:44" (1/1) ... [2019-09-05 16:06:44,462 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-05 16:06:44,517 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-05 16:06:45,009 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 16:06:45,019 INFO L188 MainTranslator]: Completed pre-run [2019-09-05 16:06:45,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 16:06:45,223 INFO L192 MainTranslator]: Completed translation [2019-09-05 16:06:45,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 04:06:45 WrapperNode [2019-09-05 16:06:45,224 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-05 16:06:45,225 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-05 16:06:45,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-05 16:06:45,225 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-05 16:06:45,244 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 04:06:45" (1/1) ... [2019-09-05 16:06:45,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 04:06:45" (1/1) ... [2019-09-05 16:06:45,284 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 04:06:45" (1/1) ... [2019-09-05 16:06:45,285 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 04:06:45" (1/1) ... [2019-09-05 16:06:45,349 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 04:06:45" (1/1) ... [2019-09-05 16:06:45,360 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 04:06:45" (1/1) ... [2019-09-05 16:06:45,367 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 04:06:45" (1/1) ... [2019-09-05 16:06:45,376 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-05 16:06:45,376 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-05 16:06:45,377 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-05 16:06:45,377 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-05 16:06:45,378 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 04:06:45" (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 16:06:45,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-05 16:06:45,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-05 16:06:45,456 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-09-05 16:06:45,456 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-05 16:06:45,456 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-09-05 16:06:45,457 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-05 16:06:45,457 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-05 16:06:45,457 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-05 16:06:45,457 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-05 16:06:45,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-05 16:06:45,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-05 16:06:46,804 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-05 16:06:46,805 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-05 16:06:46,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 04:06:46 BoogieIcfgContainer [2019-09-05 16:06:46,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-05 16:06:46,809 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-05 16:06:46,809 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-05 16:06:46,809 INFO L275 PluginConnector]: Sifa initialized [2019-09-05 16:06:46,811 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 04:06:46" (1/1) ... [2019-09-05 16:06:46,813 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 16:06:46,853 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-05 16:06:46,853 INFO L169 IcfgInterpreter]: Building call graph [2019-09-05 16:06:46,883 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-05 16:06:46,900 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-05 16:06:46,902 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-05 16:06:47,040 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 76 for LOIs [2019-09-05 16:06:56,915 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 74 for LOIs [2019-09-05 16:06:59,099 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-05 16:06:59,099 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-05 16:06:59,102 INFO L193 IcfgInterpreter]: Reachable states at location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 4581#(and (<= 21 ~u~0) (<= 1 calculate_output_~input) (<= ~x~0 24) (<= 1 |calculate_output_#in~input|) (<= 6 ~f~0) (<= |calculate_output_#in~input| 6) (<= 1 ~a~0) (<= 23 ~w~0) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (<= 1 ~a19~0) (<= ~a17~0 7) (<= ~a19~0 1) (<= 9 ~a28~0) (<= ~a28~0 9) (<= ~w~0 23) (<= 7 ~a17~0) (<= 5 ~e~0) (<= ~a~0 1) (<= 1 ~a25~0) (<= 1 ~a21~0) (<= ~d~0 4) (<= |old(~a19~0)| 1) (<= |old(~a17~0)| 8) (<= 25 ~y~0) (<= ~y~0 25) (<= 22 ~v~0) (<= ~a21~0 1) (<= 0 ~a11~0) (<= ~a25~0 1) (<= calculate_output_~input 6) (<= 0 |old(~a25~0)|) (<= ~f~0 6) (<= 7 |old(~a28~0)|) (<= 4 ~d~0) (<= ~v~0 22) (<= ~u~0 21) (<= 26 ~z~0) (<= 0 |old(~a11~0)|) (<= 24 ~x~0) (<= ~e~0 5)) [2019-09-05 16:06:59,120 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-05 16:06:59,120 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-05 16:06:59,123 INFO L168 Benchmark]: Toolchain (without parser) took 14678.77 ms. Allocated memory was 135.3 MB in the beginning and 1.0 GB in the end (delta: 870.3 MB). Free memory was 81.0 MB in the beginning and 370.5 MB in the end (delta: -289.5 MB). Peak memory consumption was 580.8 MB. Max. memory is 7.1 GB. [2019-09-05 16:06:59,124 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 135.3 MB. Free memory was 101.3 MB in the beginning and 101.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-05 16:06:59,125 INFO L168 Benchmark]: CACSL2BoogieTranslator took 779.09 ms. Allocated memory was 135.3 MB in the beginning and 198.2 MB in the end (delta: 62.9 MB). Free memory was 80.8 MB in the beginning and 158.1 MB in the end (delta: -77.2 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2019-09-05 16:06:59,126 INFO L168 Benchmark]: Boogie Preprocessor took 151.59 ms. Allocated memory is still 198.2 MB. Free memory was 158.1 MB in the beginning and 153.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-09-05 16:06:59,127 INFO L168 Benchmark]: RCFGBuilder took 1432.04 ms. Allocated memory was 198.2 MB in the beginning and 213.4 MB in the end (delta: 15.2 MB). Free memory was 153.1 MB in the beginning and 171.3 MB in the end (delta: -18.2 MB). Peak memory consumption was 94.9 MB. Max. memory is 7.1 GB. [2019-09-05 16:06:59,128 INFO L168 Benchmark]: Sifa took 12311.82 ms. Allocated memory was 213.4 MB in the beginning and 1.0 GB in the end (delta: 792.2 MB). Free memory was 171.3 MB in the beginning and 370.5 MB in the end (delta: -199.2 MB). Peak memory consumption was 593.0 MB. Max. memory is 7.1 GB. [2019-09-05 16:06:59,132 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 135.3 MB. Free memory was 101.3 MB in the beginning and 101.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 779.09 ms. Allocated memory was 135.3 MB in the beginning and 198.2 MB in the end (delta: 62.9 MB). Free memory was 80.8 MB in the beginning and 158.1 MB in the end (delta: -77.2 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 151.59 ms. Allocated memory is still 198.2 MB. Free memory was 158.1 MB in the beginning and 153.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1432.04 ms. Allocated memory was 198.2 MB in the beginning and 213.4 MB in the end (delta: 15.2 MB). Free memory was 153.1 MB in the beginning and 171.3 MB in the end (delta: -18.2 MB). Peak memory consumption was 94.9 MB. Max. memory is 7.1 GB. * Sifa took 12311.82 ms. Allocated memory was 213.4 MB in the beginning and 1.0 GB in the end (delta: 792.2 MB). Free memory was 171.3 MB in the beginning and 370.5 MB in the end (delta: -199.2 MB). Peak memory consumption was 593.0 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]: 12249, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 3249, DAG_INTERPRETER_EARLY_EXITS: 559, TOOLS_POST_APPLICATIONS: 3058, TOOLS_POST_TIME[ms]: 949, TOOLS_POST_CALL_APPLICATIONS: 6, TOOLS_POST_CALL_TIME[ms]: 64, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 23, TOOLS_QUANTIFIERELIM_TIME[ms]: 611, FLUID_QUERY_TIME[ms]: 59, FLUID_QUERIES: 3252, FLUID_YES_ANSWERS: 1013, DOMAIN_JOIN_APPLICATIONS: 496, DOMAIN_JOIN_TIME[ms]: 1580, DOMAIN_ALPHA_APPLICATIONS: 1013, DOMAIN_ALPHA_TIME[ms]: 6592, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 4, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 19, DOMAIN_ISBOTTOM_APPLICATIONS: 1534, DOMAIN_ISBOTTOM_TIME[ms]: 2295, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 9856, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 9855, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 9828, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 14, PATH_EXPR_TIME[ms]: 49, REGEX_TO_DAG_TIME[ms]: 14, DAG_COMPRESSION_TIME[ms]: 309, DAG_COMPRESSION_PROCESSED_NODES: 10987, DAG_COMPRESSION_RETAINED_NODES: 3489 - UnprovableResult [Line: 571]: 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 4581#(and (<= 21 ~u~0) (<= 1 calculate_output_~input) (<= ~x~0 24) (<= 1 |calculate_output_#in~input|) (<= 6 ~f~0) (<= |calculate_output_#in~input| 6) (<= 1 ~a~0) (<= 23 ~w~0) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (<= 1 ~a19~0) (<= ~a17~0 7) (<= ~a19~0 1) (<= 9 ~a28~0) (<= ~a28~0 9) (<= ~w~0 23) (<= 7 ~a17~0) (<= 5 ~e~0) (<= ~a~0 1) (<= 1 ~a25~0) (<= 1 ~a21~0) (<= ~d~0 4) (<= |old(~a19~0)| 1) (<= |old(~a17~0)| 8) (<= 25 ~y~0) (<= ~y~0 25) (<= 22 ~v~0) (<= ~a21~0 1) (<= 0 ~a11~0) (<= ~a25~0 1) (<= calculate_output_~input 6) (<= 0 |old(~a25~0)|) (<= ~f~0 6) (<= 7 |old(~a28~0)|) (<= 4 ~d~0) (<= ~v~0 22) (<= ~u~0 21) (<= 26 ~z~0) (<= 0 |old(~a11~0)|) (<= 24 ~x~0) (<= ~e~0 5)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...