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/Problem04_label42.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 00:55:02,489 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 00:55:02,492 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 00:55:02,506 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 00:55:02,507 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 00:55:02,509 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 00:55:02,511 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 00:55:02,517 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 00:55:02,519 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 00:55:02,520 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 00:55:02,521 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 00:55:02,523 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 00:55:02,525 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 00:55:02,526 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 00:55:02,527 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 00:55:02,531 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 00:55:02,532 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 00:55:02,533 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 00:55:02,538 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 00:55:02,543 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 00:55:02,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 00:55:02,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 00:55:02,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 00:55:02,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 00:55:02,553 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 00:55:02,554 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 00:55:02,554 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 00:55:02,556 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 00:55:02,558 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 00:55:02,560 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 00:55:02,561 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 00:55:02,563 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 00:55:02,563 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 00:55:02,565 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 00:55:02,569 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 00:55:02,570 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 00:55:02,570 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 00:55:02,571 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 00:55:02,571 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 00:55:02,571 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 00:55:02,572 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 00:55:02,573 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 [2019-10-14 00:55:02,587 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 00:55:02,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 00:55:02,588 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 00:55:02,589 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 00:55:02,589 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 00:55:02,589 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 00:55:02,589 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 00:55:02,589 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 00:55:02,590 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 00:55:02,590 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 00:55:02,590 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 00:55:02,590 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 00:55:02,590 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 00:55:02,590 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 00:55:02,591 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 00:55:02,591 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 00:55:02,591 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 00:55:02,591 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 00:55:02,591 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 00:55:02,592 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 00:55:02,592 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 00:55:02,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 00:55:02,592 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 00:55:02,592 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 00:55:02,593 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 00:55:02,593 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 00:55:02,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 00:55:02,593 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 00:55:02,593 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 [2019-10-14 00:55:02,902 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 00:55:02,923 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 00:55:02,927 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 00:55:02,929 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 00:55:02,930 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 00:55:02,931 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem04_label42.c [2019-10-14 00:55:03,006 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16fc04292/c4d90099f9fc417589bb69f3bb14bb03/FLAG6b1d51f5a [2019-10-14 00:55:03,790 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 00:55:03,791 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem04_label42.c [2019-10-14 00:55:03,824 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16fc04292/c4d90099f9fc417589bb69f3bb14bb03/FLAG6b1d51f5a [2019-10-14 00:55:03,877 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16fc04292/c4d90099f9fc417589bb69f3bb14bb03 [2019-10-14 00:55:03,890 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 00:55:03,891 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 00:55:03,893 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 00:55:03,893 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 00:55:03,897 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 00:55:03,898 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:55:03" (1/1) ... [2019-10-14 00:55:03,901 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@599a6431 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:55:03, skipping insertion in model container [2019-10-14 00:55:03,901 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:55:03" (1/1) ... [2019-10-14 00:55:03,909 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 00:55:04,096 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 00:55:05,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:55:05,936 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 00:55:06,533 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:55:06,567 INFO L192 MainTranslator]: Completed translation [2019-10-14 00:55:06,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:55:06 WrapperNode [2019-10-14 00:55:06,568 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 00:55:06,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 00:55:06,569 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 00:55:06,569 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 00:55:06,584 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:55:06" (1/1) ... [2019-10-14 00:55:06,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:55:06" (1/1) ... [2019-10-14 00:55:06,648 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:55:06" (1/1) ... [2019-10-14 00:55:06,649 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:55:06" (1/1) ... [2019-10-14 00:55:06,755 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:55:06" (1/1) ... [2019-10-14 00:55:06,794 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:55:06" (1/1) ... [2019-10-14 00:55:06,816 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:55:06" (1/1) ... [2019-10-14 00:55:06,841 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 00:55:06,841 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 00:55:06,842 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 00:55:06,842 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 00:55:06,843 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:55:06" (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 [2019-10-14 00:55:06,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 00:55:06,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 00:55:06,917 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-14 00:55:06,918 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-10-14 00:55:06,918 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-10-14 00:55:06,918 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-10-14 00:55:06,918 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 00:55:06,919 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-14 00:55:06,919 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-10-14 00:55:06,919 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-10-14 00:55:06,919 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-10-14 00:55:06,920 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 00:55:06,921 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 00:55:06,921 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 00:55:06,921 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 00:55:06,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 00:55:06,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 00:55:12,017 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 00:55:12,018 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-14 00:55:12,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:55:12 BoogieIcfgContainer [2019-10-14 00:55:12,020 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 00:55:12,021 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-14 00:55:12,021 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-14 00:55:12,021 INFO L275 PluginConnector]: Sifa initialized [2019-10-14 00:55:12,023 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:55:12" (1/1) ... [2019-10-14 00:55:12,023 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 [2019-10-14 00:55:12,067 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-14 00:55:12,068 INFO L169 IcfgInterpreter]: Building call graph [2019-10-14 00:55:12,088 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-14 00:55:12,099 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-14 00:55:12,101 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-14 00:55:12,417 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 103 for LOIs [2019-10-14 00:55:15,856 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 59 [2019-10-14 00:55:16,072 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 9845 conjuctions. This might take some time... [2019-10-14 00:55:16,207 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 59 [2019-10-14 00:55:16,350 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 9845 conjuctions. This might take some time... [2019-10-14 00:55:16,428 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 59 [2019-10-14 00:55:16,524 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 9845 conjuctions. This might take some time... [2019-10-14 00:55:23,055 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 90 for LOIs [2019-10-14 00:55:25,187 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output2 with input of size 76 for LOIs [2019-10-14 00:55:27,947 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output3 with input of size 105 for LOIs [2019-10-14 00:55:30,362 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output4 with input of size 109 for LOIs [2019-10-14 00:55:31,241 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 59 [2019-10-14 00:55:31,494 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 9845 conjuctions. This might take some time... [2019-10-14 00:55:31,752 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 59 [2019-10-14 00:55:31,950 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 9845 conjuctions. This might take some time... [2019-10-14 00:55:32,233 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-14 00:55:32,233 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-14 00:55:32,235 INFO L193 IcfgInterpreter]: Reachable states at location calculate_output4Err0ASSERT_VIOLATIONERROR_FUNCTION satisfy 63991#(and (<= 1 ~a3~0) (<= ~x~0 24) (<= ~a26~0 18) (<= 6 ~f~0) (<= 1 ~a7~0) (<= 1 ~a~0) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (<= 17 ~a28~0) (= 16 ~a4~0) (<= ~a~0 1) (= 1 ~a7~0) (= ~a14~0 19) (<= ~d~0 4) (<= 1 calculate_output4_~input) (<= calculate_output4_~input 6) (<= 25 ~y~0) (<= 16 ~a4~0) (<= ~a25~0 1) (<= ~f~0 6) (<= 1 |calculate_output4_#in~input|) (= 1 ~a3~0) (<= ~v~0 22) (<= ~u~0 21) (<= 26 ~z~0) (<= 24 ~x~0) (<= ~b~0 2) (<= 21 ~u~0) (<= |calculate_output4_#in~input| 6) (<= ~a7~0 1) (= ~a26~0 18) (= ~a25~0 1) (<= 23 ~w~0) (= ~a28~0 17) (<= 19 ~a14~0) (<= ~w~0 23) (<= ~a28~0 17) (<= ~a4~0 16) (<= 5 ~e~0) (= 1 ~a1~0) (<= 1 ~a25~0) (<= ~a3~0 1) (<= ~y~0 25) (<= 22 ~v~0) (<= ~a14~0 19) (<= 1 ~a1~0) (<= 2 ~b~0) (<= 4 ~d~0) (<= 18 ~a26~0) (<= ~a1~0 1) (<= ~e~0 5)) [2019-10-14 00:55:32,249 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-14 00:55:32,249 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-14 00:55:32,253 INFO L168 Benchmark]: Toolchain (without parser) took 28359.62 ms. Allocated memory was 138.9 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 87.4 MB in the beginning and 754.6 MB in the end (delta: -667.3 MB). Peak memory consumption was 399.7 MB. Max. memory is 7.1 GB. [2019-10-14 00:55:32,254 INFO L168 Benchmark]: CDTParser took 1.23 ms. Allocated memory is still 138.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-14 00:55:32,255 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2674.92 ms. Allocated memory was 138.9 MB in the beginning and 258.5 MB in the end (delta: 119.5 MB). Free memory was 87.2 MB in the beginning and 177.7 MB in the end (delta: -90.6 MB). Peak memory consumption was 117.7 MB. Max. memory is 7.1 GB. [2019-10-14 00:55:32,256 INFO L168 Benchmark]: Boogie Preprocessor took 272.57 ms. Allocated memory is still 258.5 MB. Free memory was 177.7 MB in the beginning and 148.3 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 7.1 GB. [2019-10-14 00:55:32,257 INFO L168 Benchmark]: RCFGBuilder took 5179.07 ms. Allocated memory was 258.5 MB in the beginning and 384.8 MB in the end (delta: 126.4 MB). Free memory was 148.3 MB in the beginning and 259.1 MB in the end (delta: -110.9 MB). Peak memory consumption was 210.2 MB. Max. memory is 7.1 GB. [2019-10-14 00:55:32,258 INFO L168 Benchmark]: Sifa took 20228.33 ms. Allocated memory was 384.8 MB in the beginning and 1.2 GB in the end (delta: 821.0 MB). Free memory was 259.1 MB in the beginning and 754.6 MB in the end (delta: -495.5 MB). Peak memory consumption was 325.5 MB. Max. memory is 7.1 GB. [2019-10-14 00:55:32,262 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.23 ms. Allocated memory is still 138.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2674.92 ms. Allocated memory was 138.9 MB in the beginning and 258.5 MB in the end (delta: 119.5 MB). Free memory was 87.2 MB in the beginning and 177.7 MB in the end (delta: -90.6 MB). Peak memory consumption was 117.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 272.57 ms. Allocated memory is still 258.5 MB. Free memory was 177.7 MB in the beginning and 148.3 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5179.07 ms. Allocated memory was 258.5 MB in the beginning and 384.8 MB in the end (delta: 126.4 MB). Free memory was 148.3 MB in the beginning and 259.1 MB in the end (delta: -110.9 MB). Peak memory consumption was 210.2 MB. Max. memory is 7.1 GB. * Sifa took 20228.33 ms. Allocated memory was 384.8 MB in the beginning and 1.2 GB in the end (delta: 821.0 MB). Free memory was 259.1 MB in the beginning and 754.6 MB in the end (delta: -495.5 MB). Peak memory consumption was 325.5 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]: 20168, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 2293, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 2281, TOOLS_POST_TIME[ms]: 851, TOOLS_POST_CALL_APPLICATIONS: 11, TOOLS_POST_CALL_TIME[ms]: 55, TOOLS_POST_RETURN_APPLICATIONS: 6, TOOLS_POST_RETURN_TIME[ms]: 23, TOOLS_QUANTIFIERELIM_APPLICATIONS: 2298, TOOLS_QUANTIFIERELIM_TIME[ms]: 579, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 18, FLUID_QUERY_TIME[ms]: 44, FLUID_QUERIES: 2295, FLUID_YES_ANSWERS: 1574, DOMAIN_JOIN_APPLICATIONS: 759, DOMAIN_JOIN_TIME[ms]: 5238, DOMAIN_ALPHA_APPLICATIONS: 1574, DOMAIN_ALPHA_TIME[ms]: 12236, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 34, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 4, DOMAIN_ISBOTTOM_APPLICATIONS: 751, DOMAIN_ISBOTTOM_TIME[ms]: 960, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 10620, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 10620, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 6, CALL_SUMMARIZER_CACHE_MISSES: 5, CALL_SUMMARIZER_OVERALL_TIME[ms]: 10705, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 10704, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 12, PATH_EXPR_TIME[ms]: 107, REGEX_TO_DAG_TIME[ms]: 14, DAG_COMPRESSION_TIME[ms]: 321, DAG_COMPRESSION_PROCESSED_NODES: 37552, DAG_COMPRESSION_RETAINED_NODES: 1561 - UnprovableResult [Line: 4799]: 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 63991#(and (<= 1 ~a3~0) (<= ~x~0 24) (<= ~a26~0 18) (<= 6 ~f~0) (<= 1 ~a7~0) (<= 1 ~a~0) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (<= 17 ~a28~0) (= 16 ~a4~0) (<= ~a~0 1) (= 1 ~a7~0) (= ~a14~0 19) (<= ~d~0 4) (<= 1 calculate_output4_~input) (<= calculate_output4_~input 6) (<= 25 ~y~0) (<= 16 ~a4~0) (<= ~a25~0 1) (<= ~f~0 6) (<= 1 |calculate_output4_#in~input|) (= 1 ~a3~0) (<= ~v~0 22) (<= ~u~0 21) (<= 26 ~z~0) (<= 24 ~x~0) (<= ~b~0 2) (<= 21 ~u~0) (<= |calculate_output4_#in~input| 6) (<= ~a7~0 1) (= ~a26~0 18) (= ~a25~0 1) (<= 23 ~w~0) (= ~a28~0 17) (<= 19 ~a14~0) (<= ~w~0 23) (<= ~a28~0 17) (<= ~a4~0 16) (<= 5 ~e~0) (= 1 ~a1~0) (<= 1 ~a25~0) (<= ~a3~0 1) (<= ~y~0 25) (<= 22 ~v~0) (<= ~a14~0 19) (<= 1 ~a1~0) (<= 2 ~b~0) (<= 4 ~d~0) (<= 18 ~a26~0) (<= ~a1~0 1) (<= ~e~0 5)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...