java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/eca-rers2012/Problem03_label06.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 13:23:04,508 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 13:23:04,510 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 13:23:04,523 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 13:23:04,524 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 13:23:04,525 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 13:23:04,526 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 13:23:04,528 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 13:23:04,530 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 13:23:04,530 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 13:23:04,531 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 13:23:04,532 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 13:23:04,533 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 13:23:04,534 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 13:23:04,534 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 13:23:04,536 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 13:23:04,536 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 13:23:04,537 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 13:23:04,539 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 13:23:04,541 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 13:23:04,543 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 13:23:04,544 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 13:23:04,545 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 13:23:04,546 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 13:23:04,548 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 13:23:04,550 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 13:23:04,551 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 13:23:04,551 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 13:23:04,552 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 13:23:04,553 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 13:23:04,557 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 13:23:04,558 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 13:23:04,559 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 13:23:04,560 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 13:23:04,563 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 13:23:04,563 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 13:23:04,563 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 13:23:04,564 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 13:23:04,564 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 13:23:04,564 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 13:23:04,565 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 13:23:04,566 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-03 13:23:04,596 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 13:23:04,597 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 13:23:04,598 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-03 13:23:04,599 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-03 13:23:04,599 INFO L138 SettingsManager]: * Use SBE=true [2019-10-03 13:23:04,599 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 13:23:04,600 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 13:23:04,600 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-03 13:23:04,600 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 13:23:04,600 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 13:23:04,600 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 13:23:04,601 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 13:23:04,601 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 13:23:04,601 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 13:23:04,602 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 13:23:04,602 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-03 13:23:04,602 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 13:23:04,603 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 13:23:04,603 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 13:23:04,603 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-03 13:23:04,603 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-03 13:23:04,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 13:23:04,604 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 13:23:04,605 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 13:23:04,605 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-03 13:23:04,605 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-03 13:23:04,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 13:23:04,605 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-03 13:23:04,606 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-03 13:23:04,664 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 13:23:04,681 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 13:23:04,684 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 13:23:04,686 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 13:23:04,686 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 13:23:04,687 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label06.c [2019-10-03 13:23:04,749 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7ee10ef3/22be21cd51054d68843cc8c605948fc1/FLAG78a1661cf [2019-10-03 13:23:05,393 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 13:23:05,394 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label06.c [2019-10-03 13:23:05,414 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7ee10ef3/22be21cd51054d68843cc8c605948fc1/FLAG78a1661cf [2019-10-03 13:23:05,561 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7ee10ef3/22be21cd51054d68843cc8c605948fc1 [2019-10-03 13:23:05,569 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 13:23:05,570 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 13:23:05,571 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 13:23:05,571 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 13:23:05,575 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 13:23:05,576 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 01:23:05" (1/1) ... [2019-10-03 13:23:05,578 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b2e6592 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:23:05, skipping insertion in model container [2019-10-03 13:23:05,579 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 01:23:05" (1/1) ... [2019-10-03 13:23:05,586 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 13:23:05,660 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 13:23:06,414 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 13:23:06,420 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 13:23:06,684 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 13:23:06,704 INFO L192 MainTranslator]: Completed translation [2019-10-03 13:23:06,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:23:06 WrapperNode [2019-10-03 13:23:06,705 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 13:23:06,706 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 13:23:06,706 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 13:23:06,706 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 13:23:06,720 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:23:06" (1/1) ... [2019-10-03 13:23:06,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:23:06" (1/1) ... [2019-10-03 13:23:06,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:23:06" (1/1) ... [2019-10-03 13:23:06,752 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:23:06" (1/1) ... [2019-10-03 13:23:06,812 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:23:06" (1/1) ... [2019-10-03 13:23:06,825 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:23:06" (1/1) ... [2019-10-03 13:23:06,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:23:06" (1/1) ... [2019-10-03 13:23:06,854 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 13:23:06,854 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 13:23:06,855 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 13:23:06,855 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 13:23:06,856 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:23:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 13:23:06,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 13:23:06,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 13:23:06,920 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-03 13:23:06,920 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 13:23:06,920 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-03 13:23:06,921 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 13:23:06,921 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 13:23:06,921 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-03 13:23:06,921 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 13:23:06,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 13:23:06,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 13:23:09,825 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 13:23:09,825 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-03 13:23:09,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 01:23:09 BoogieIcfgContainer [2019-10-03 13:23:09,827 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 13:23:09,828 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-03 13:23:09,828 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-03 13:23:09,828 INFO L275 PluginConnector]: Sifa initialized [2019-10-03 13:23:09,830 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 01:23:09" (1/1) ... [2019-10-03 13:23:09,830 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-10-03 13:23:09,865 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-03 13:23:09,866 INFO L169 IcfgInterpreter]: Building call graph [2019-10-03 13:23:09,881 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-03 13:23:09,891 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-03 13:23:09,892 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-03 13:23:10,111 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-10-03 13:23:10,316 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-10-03 13:23:10,371 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 210 for LOIs [2019-10-03 13:23:12,069 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 26 [2019-10-03 13:23:12,108 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 26 [2019-10-03 13:23:12,152 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 26 [2019-10-03 13:23:12,255 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 17 [2019-10-03 13:23:12,270 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 35 [2019-10-03 13:23:15,269 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 155 for LOIs [2019-10-03 13:23:20,297 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 26 [2019-10-03 13:23:20,343 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 26 [2019-10-03 13:23:20,410 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-03 13:23:20,411 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-03 13:23:20,413 INFO L193 IcfgInterpreter]: Reachable states at location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 21831#(and (<= ~b~0 2) (<= 21 ~u~0) (not (= ~a26~0 1)) (<= 1 calculate_output_~input) (<= ~x~0 24) (<= 1 ~a5~0) (= 1 ~a5~0) (<= 1 |calculate_output_#in~input|) (<= 6 ~f~0) (<= |calculate_output_#in~input| 6) (<= 1 ~a~0) (= 0 ~a3~0) (<= 23 ~w~0) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (<= 1 ~a6~0) (<= ~a3~0 0) (<= ~a18~0 1) (<= 0 ~a3~0) (<= ~a6~0 1) (= ~a11~0 1) (<= 1 ~a18~0) (<= ~w~0 23) (<= 5 ~e~0) (<= ~a~0 1) (<= 1 ~a11~0) (<= ~d~0 4) (= ~a18~0 1) (= 1 ~a6~0) (<= 25 ~y~0) (<= ~y~0 25) (<= 22 ~v~0) (<= calculate_output_~input 6) (<= 2 ~b~0) (<= ~f~0 6) (<= ~a5~0 1) (<= ~a11~0 1) (<= 4 ~d~0) (<= ~v~0 22) (<= ~u~0 21) (<= 26 ~z~0) (not (= ~a27~0 1)) (not (= ~a12~0 1)) (<= 24 ~x~0) (<= ~e~0 5)) [2019-10-03 13:23:20,431 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-03 13:23:20,432 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-03 13:23:20,434 INFO L168 Benchmark]: Toolchain (without parser) took 14863.02 ms. Allocated memory was 139.5 MB in the beginning and 801.1 MB in the end (delta: 661.7 MB). Free memory was 81.4 MB in the beginning and 628.0 MB in the end (delta: -546.5 MB). Peak memory consumption was 115.1 MB. Max. memory is 7.1 GB. [2019-10-03 13:23:20,435 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 139.5 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 13:23:20,436 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1134.29 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 81.2 MB in the beginning and 121.0 MB in the end (delta: -39.8 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2019-10-03 13:23:20,437 INFO L168 Benchmark]: Boogie Preprocessor took 148.28 ms. Allocated memory is still 202.9 MB. Free memory was 121.0 MB in the beginning and 109.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-10-03 13:23:20,438 INFO L168 Benchmark]: RCFGBuilder took 2973.11 ms. Allocated memory was 202.9 MB in the beginning and 274.2 MB in the end (delta: 71.3 MB). Free memory was 108.9 MB in the beginning and 114.7 MB in the end (delta: -5.8 MB). Peak memory consumption was 108.1 MB. Max. memory is 7.1 GB. [2019-10-03 13:23:20,439 INFO L168 Benchmark]: Sifa took 10604.03 ms. Allocated memory was 274.2 MB in the beginning and 801.1 MB in the end (delta: 526.9 MB). Free memory was 114.7 MB in the beginning and 628.0 MB in the end (delta: -513.3 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2019-10-03 13:23:20,444 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 139.5 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1134.29 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 81.2 MB in the beginning and 121.0 MB in the end (delta: -39.8 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 148.28 ms. Allocated memory is still 202.9 MB. Free memory was 121.0 MB in the beginning and 109.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2973.11 ms. Allocated memory was 202.9 MB in the beginning and 274.2 MB in the end (delta: 71.3 MB). Free memory was 108.9 MB in the beginning and 114.7 MB in the end (delta: -5.8 MB). Peak memory consumption was 108.1 MB. Max. memory is 7.1 GB. * Sifa took 10604.03 ms. Allocated memory was 274.2 MB in the beginning and 801.1 MB in the end (delta: 526.9 MB). Free memory was 114.7 MB in the beginning and 628.0 MB in the end (delta: -513.3 MB). Peak memory consumption was 13.6 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]: 10547, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 443, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 436, TOOLS_POST_TIME[ms]: 326, TOOLS_POST_CALL_APPLICATIONS: 6, TOOLS_POST_CALL_TIME[ms]: 105, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 23, TOOLS_QUANTIFIERELIM_APPLICATIONS: 446, TOOLS_QUANTIFIERELIM_TIME[ms]: 315, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 29, FLUID_QUERY_TIME[ms]: 20, FLUID_QUERIES: 445, FLUID_YES_ANSWERS: 351, DOMAIN_JOIN_APPLICATIONS: 145, DOMAIN_JOIN_TIME[ms]: 2563, DOMAIN_ALPHA_APPLICATIONS: 351, DOMAIN_ALPHA_TIME[ms]: 6880, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 180, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 10, DOMAIN_ISBOTTOM_APPLICATIONS: 140, DOMAIN_ISBOTTOM_TIME[ms]: 229, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 522, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 521, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 4406, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4406, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 22, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 54, DAG_COMPRESSION_PROCESSED_NODES: 2498, DAG_COMPRESSION_RETAINED_NODES: 314 - UnprovableResult [Line: 1542]: 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 21831#(and (<= ~b~0 2) (<= 21 ~u~0) (not (= ~a26~0 1)) (<= 1 calculate_output_~input) (<= ~x~0 24) (<= 1 ~a5~0) (= 1 ~a5~0) (<= 1 |calculate_output_#in~input|) (<= 6 ~f~0) (<= |calculate_output_#in~input| 6) (<= 1 ~a~0) (= 0 ~a3~0) (<= 23 ~w~0) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (<= 1 ~a6~0) (<= ~a3~0 0) (<= ~a18~0 1) (<= 0 ~a3~0) (<= ~a6~0 1) (= ~a11~0 1) (<= 1 ~a18~0) (<= ~w~0 23) (<= 5 ~e~0) (<= ~a~0 1) (<= 1 ~a11~0) (<= ~d~0 4) (= ~a18~0 1) (= 1 ~a6~0) (<= 25 ~y~0) (<= ~y~0 25) (<= 22 ~v~0) (<= calculate_output_~input 6) (<= 2 ~b~0) (<= ~f~0 6) (<= ~a5~0 1) (<= ~a11~0 1) (<= 4 ~d~0) (<= ~v~0 22) (<= ~u~0 21) (<= 26 ~z~0) (not (= ~a27~0 1)) (not (= ~a12~0 1)) (<= 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...