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/Problem01_label53.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 13:18:17,593 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 13:18:17,595 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 13:18:17,607 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 13:18:17,607 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 13:18:17,608 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 13:18:17,609 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 13:18:17,613 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 13:18:17,616 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 13:18:17,617 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 13:18:17,626 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 13:18:17,627 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 13:18:17,627 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 13:18:17,628 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 13:18:17,629 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 13:18:17,632 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 13:18:17,633 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 13:18:17,634 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 13:18:17,639 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 13:18:17,641 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 13:18:17,645 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 13:18:17,646 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 13:18:17,647 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 13:18:17,650 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 13:18:17,652 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 13:18:17,653 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 13:18:17,653 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 13:18:17,656 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 13:18:17,657 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 13:18:17,659 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 13:18:17,659 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 13:18:17,660 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 13:18:17,662 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 13:18:17,662 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 13:18:17,667 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 13:18:17,667 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 13:18:17,668 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 13:18:17,668 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 13:18:17,669 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 13:18:17,670 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 13:18:17,673 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 13:18:17,675 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 13:18:17,696 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 13:18:17,696 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 13:18:17,697 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-03 13:18:17,698 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-03 13:18:17,698 INFO L138 SettingsManager]: * Use SBE=true [2019-10-03 13:18:17,698 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 13:18:17,698 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 13:18:17,698 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-03 13:18:17,699 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 13:18:17,699 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 13:18:17,699 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 13:18:17,699 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 13:18:17,699 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 13:18:17,699 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 13:18:17,700 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 13:18:17,700 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-03 13:18:17,700 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 13:18:17,700 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 13:18:17,700 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 13:18:17,701 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-03 13:18:17,701 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-03 13:18:17,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 13:18:17,701 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 13:18:17,702 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 13:18:17,702 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-03 13:18:17,702 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-03 13:18:17,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 13:18:17,702 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-03 13:18:17,703 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 13:18:17,733 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 13:18:17,746 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 13:18:17,749 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 13:18:17,751 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 13:18:17,751 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 13:18:17,752 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label53.c [2019-10-03 13:18:17,812 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc470e3e0/375f873101714f9baf676272b09a4c9c/FLAG75dda14e0 [2019-10-03 13:18:18,416 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 13:18:18,416 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label53.c [2019-10-03 13:18:18,428 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc470e3e0/375f873101714f9baf676272b09a4c9c/FLAG75dda14e0 [2019-10-03 13:18:18,659 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc470e3e0/375f873101714f9baf676272b09a4c9c [2019-10-03 13:18:18,669 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 13:18:18,670 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 13:18:18,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 13:18:18,672 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 13:18:18,675 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 13:18:18,676 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 01:18:18" (1/1) ... [2019-10-03 13:18:18,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4af936d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:18:18, skipping insertion in model container [2019-10-03 13:18:18,679 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 01:18:18" (1/1) ... [2019-10-03 13:18:18,686 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 13:18:18,749 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 13:18:19,417 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 13:18:19,424 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 13:18:19,527 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 13:18:19,545 INFO L192 MainTranslator]: Completed translation [2019-10-03 13:18:19,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:18:19 WrapperNode [2019-10-03 13:18:19,546 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 13:18:19,547 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 13:18:19,547 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 13:18:19,547 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 13:18:19,558 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:18:19" (1/1) ... [2019-10-03 13:18:19,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:18:19" (1/1) ... [2019-10-03 13:18:19,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:18:19" (1/1) ... [2019-10-03 13:18:19,576 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:18:19" (1/1) ... [2019-10-03 13:18:19,625 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:18:19" (1/1) ... [2019-10-03 13:18:19,645 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:18:19" (1/1) ... [2019-10-03 13:18:19,655 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:18:19" (1/1) ... [2019-10-03 13:18:19,668 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 13:18:19,668 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 13:18:19,668 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 13:18:19,668 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 13:18:19,669 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:18:19" (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 13:18:19,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 13:18:19,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 13:18:19,730 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-03 13:18:19,730 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 13:18:19,731 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-03 13:18:19,731 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 13:18:19,731 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 13:18:19,732 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-03 13:18:19,732 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 13:18:19,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 13:18:19,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 13:18:21,673 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 13:18:21,674 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-03 13:18:21,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 01:18:21 BoogieIcfgContainer [2019-10-03 13:18:21,675 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 13:18:21,676 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-03 13:18:21,676 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-03 13:18:21,676 INFO L275 PluginConnector]: Sifa initialized [2019-10-03 13:18:21,678 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 01:18:21" (1/1) ... [2019-10-03 13:18:21,678 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 13:18:21,715 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-03 13:18:21,715 INFO L169 IcfgInterpreter]: Building call graph [2019-10-03 13:18:21,729 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-03 13:18:21,740 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-03 13:18:21,741 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-03 13:18:22,109 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 94 for LOIs [2019-10-03 13:18:22,746 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 44 [2019-10-03 13:18:24,391 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 52616 conjuctions. This might take some time... [2019-10-03 13:18:27,874 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 44 [2019-10-03 13:18:28,590 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 52616 conjuctions. This might take some time... [2019-10-03 13:18:31,993 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 44 [2019-10-03 13:18:32,685 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 52616 conjuctions. This might take some time... [2019-10-03 13:18:36,211 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-10-03 13:18:36,243 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 18 [2019-10-03 13:18:37,475 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-10-03 13:18:37,639 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 124 for LOIs [2019-10-03 13:18:41,677 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 44 [2019-10-03 13:18:47,620 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 252174 conjuctions. This might take some time... [2019-10-03 13:21:22,397 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 44 [2019-10-03 13:21:26,858 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 252174 conjuctions. This might take some time... [2019-10-03 13:23:52,134 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-03 13:23:52,134 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-03 13:23:52,136 INFO L193 IcfgInterpreter]: Reachable states at location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 11841#(and (<= ~b~0 2) (<= 21 ~u~0) (<= 1 calculate_output_~input) (<= ~x~0 24) (<= 1 |calculate_output_#in~input|) (<= 6 ~f~0) (<= ~a12~0 8) (<= |calculate_output_#in~input| 6) (<= 1 ~a~0) (= ~a21~0 1) (<= 23 ~w~0) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (<= ~a17~0 1) (<= 14 ~a8~0) (<= 4 ~a16~0) (<= ~w~0 23) (<= 5 ~e~0) (<= ~a~0 1) (<= 1 ~a21~0) (<= ~d~0 4) (<= 25 ~y~0) (<= ~y~0 25) (<= 22 ~v~0) (= ~a17~0 1) (<= 8 ~a12~0) (<= ~a21~0 1) (<= 1 ~a17~0) (<= ~a8~0 14) (<= ~a16~0 4) (<= calculate_output_~input 6) (<= 2 ~b~0) (<= ~f~0 6) (= ~a16~0 4) (<= 4 ~d~0) (<= ~v~0 22) (= ~a8~0 14) (<= ~u~0 21) (<= 26 ~z~0) (= ~a12~0 8) (<= 24 ~x~0) (<= ~e~0 5)) [2019-10-03 13:23:52,153 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-03 13:23:52,153 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-03 13:23:52,155 INFO L168 Benchmark]: Toolchain (without parser) took 333484.86 ms. Allocated memory was 138.9 MB in the beginning and 2.6 GB in the end (delta: 2.5 GB). Free memory was 84.6 MB in the beginning and 1.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 761.3 MB. Max. memory is 7.1 GB. [2019-10-03 13:23:52,156 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 138.9 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 13:23:52,157 INFO L168 Benchmark]: CACSL2BoogieTranslator took 875.28 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 84.4 MB in the beginning and 161.2 MB in the end (delta: -76.8 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. [2019-10-03 13:23:52,158 INFO L168 Benchmark]: Boogie Preprocessor took 120.95 ms. Allocated memory is still 202.4 MB. Free memory was 161.2 MB in the beginning and 156.2 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2019-10-03 13:23:52,159 INFO L168 Benchmark]: RCFGBuilder took 2007.35 ms. Allocated memory was 202.4 MB in the beginning and 263.2 MB in the end (delta: 60.8 MB). Free memory was 156.2 MB in the beginning and 228.5 MB in the end (delta: -72.4 MB). Peak memory consumption was 112.0 MB. Max. memory is 7.1 GB. [2019-10-03 13:23:52,160 INFO L168 Benchmark]: Sifa took 330477.47 ms. Allocated memory was 263.2 MB in the beginning and 2.6 GB in the end (delta: 2.4 GB). Free memory was 228.5 MB in the beginning and 1.8 GB in the end (delta: -1.6 GB). Peak memory consumption was 780.9 MB. Max. memory is 7.1 GB. [2019-10-03 13:23:52,165 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 138.9 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 875.28 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 84.4 MB in the beginning and 161.2 MB in the end (delta: -76.8 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.95 ms. Allocated memory is still 202.4 MB. Free memory was 161.2 MB in the beginning and 156.2 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2007.35 ms. Allocated memory was 202.4 MB in the beginning and 263.2 MB in the end (delta: 60.8 MB). Free memory was 156.2 MB in the beginning and 228.5 MB in the end (delta: -72.4 MB). Peak memory consumption was 112.0 MB. Max. memory is 7.1 GB. * Sifa took 330477.47 ms. Allocated memory was 263.2 MB in the beginning and 2.6 GB in the end (delta: 2.4 GB). Free memory was 228.5 MB in the beginning and 1.8 GB in the end (delta: -1.6 GB). Peak memory consumption was 780.9 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]: 330421, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 223, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 217, TOOLS_POST_TIME[ms]: 190, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 65, TOOLS_POST_RETURN_APPLICATIONS: 3, TOOLS_POST_RETURN_TIME[ms]: 11, TOOLS_QUANTIFIERELIM_APPLICATIONS: 225, TOOLS_QUANTIFIERELIM_TIME[ms]: 182, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 21, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 225, FLUID_YES_ANSWERS: 133, DOMAIN_JOIN_APPLICATIONS: 72, DOMAIN_JOIN_TIME[ms]: 1193, DOMAIN_ALPHA_APPLICATIONS: 133, DOMAIN_ALPHA_TIME[ms]: 328618, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 78, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 9, DOMAIN_ISBOTTOM_APPLICATIONS: 67, DOMAIN_ISBOTTOM_TIME[ms]: 91, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 15517, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 15516, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 3, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 15326, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 15324, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 9, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 50, DAG_COMPRESSION_PROCESSED_NODES: 1321, DAG_COMPRESSION_RETAINED_NODES: 166 - UnprovableResult [Line: 518]: 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 11841#(and (<= ~b~0 2) (<= 21 ~u~0) (<= 1 calculate_output_~input) (<= ~x~0 24) (<= 1 |calculate_output_#in~input|) (<= 6 ~f~0) (<= ~a12~0 8) (<= |calculate_output_#in~input| 6) (<= 1 ~a~0) (= ~a21~0 1) (<= 23 ~w~0) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (<= ~a17~0 1) (<= 14 ~a8~0) (<= 4 ~a16~0) (<= ~w~0 23) (<= 5 ~e~0) (<= ~a~0 1) (<= 1 ~a21~0) (<= ~d~0 4) (<= 25 ~y~0) (<= ~y~0 25) (<= 22 ~v~0) (= ~a17~0 1) (<= 8 ~a12~0) (<= ~a21~0 1) (<= 1 ~a17~0) (<= ~a8~0 14) (<= ~a16~0 4) (<= calculate_output_~input 6) (<= 2 ~b~0) (<= ~f~0 6) (= ~a16~0 4) (<= 4 ~d~0) (<= ~v~0 22) (= ~a8~0 14) (<= ~u~0 21) (<= 26 ~z~0) (= ~a12~0 8) (<= 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...