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_label22.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 13:23:10,578 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 13:23:10,581 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 13:23:10,604 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 13:23:10,605 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 13:23:10,606 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 13:23:10,608 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 13:23:10,620 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 13:23:10,623 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 13:23:10,624 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 13:23:10,625 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 13:23:10,627 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 13:23:10,627 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 13:23:10,630 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 13:23:10,632 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 13:23:10,634 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 13:23:10,635 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 13:23:10,638 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 13:23:10,640 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 13:23:10,644 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 13:23:10,646 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 13:23:10,647 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 13:23:10,648 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 13:23:10,648 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 13:23:10,650 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 13:23:10,651 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 13:23:10,651 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 13:23:10,652 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 13:23:10,652 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 13:23:10,653 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 13:23:10,653 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 13:23:10,654 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 13:23:10,655 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 13:23:10,655 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 13:23:10,656 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 13:23:10,656 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 13:23:10,657 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 13:23:10,657 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 13:23:10,657 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 13:23:10,658 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 13:23:10,659 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 13:23:10,660 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 13:23:10,674 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 13:23:10,674 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 13:23:10,676 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-03 13:23:10,676 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-03 13:23:10,676 INFO L138 SettingsManager]: * Use SBE=true [2019-10-03 13:23:10,676 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 13:23:10,676 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 13:23:10,677 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-03 13:23:10,677 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 13:23:10,677 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 13:23:10,677 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 13:23:10,678 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 13:23:10,678 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 13:23:10,678 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 13:23:10,678 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 13:23:10,678 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-03 13:23:10,679 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 13:23:10,679 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 13:23:10,679 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 13:23:10,679 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-03 13:23:10,679 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-03 13:23:10,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 13:23:10,680 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 13:23:10,680 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 13:23:10,680 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-03 13:23:10,681 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-03 13:23:10,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 13:23:10,681 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-03 13:23:10,681 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 13:23:10,715 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 13:23:10,728 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 13:23:10,731 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 13:23:10,733 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 13:23:10,733 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 13:23:10,734 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label22.c [2019-10-03 13:23:10,798 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/363563267/92badf35b4c74c4f98fb5f17ae63bf95/FLAGbe2d96d4f [2019-10-03 13:23:11,454 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 13:23:11,455 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label22.c [2019-10-03 13:23:11,478 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/363563267/92badf35b4c74c4f98fb5f17ae63bf95/FLAGbe2d96d4f [2019-10-03 13:23:11,652 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/363563267/92badf35b4c74c4f98fb5f17ae63bf95 [2019-10-03 13:23:11,661 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 13:23:11,662 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 13:23:11,663 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 13:23:11,664 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 13:23:11,667 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 13:23:11,668 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 01:23:11" (1/1) ... [2019-10-03 13:23:11,672 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60a870e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:23:11, skipping insertion in model container [2019-10-03 13:23:11,673 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 01:23:11" (1/1) ... [2019-10-03 13:23:11,680 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 13:23:11,763 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 13:23:12,587 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 13:23:12,594 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 13:23:12,957 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 13:23:12,982 INFO L192 MainTranslator]: Completed translation [2019-10-03 13:23:12,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:23:12 WrapperNode [2019-10-03 13:23:12,983 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 13:23:12,984 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 13:23:12,984 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 13:23:12,984 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 13:23:13,000 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:23:12" (1/1) ... [2019-10-03 13:23:13,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:23:12" (1/1) ... [2019-10-03 13:23:13,045 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:23:12" (1/1) ... [2019-10-03 13:23:13,046 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:23:12" (1/1) ... [2019-10-03 13:23:13,115 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:23:12" (1/1) ... [2019-10-03 13:23:13,143 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:23:12" (1/1) ... [2019-10-03 13:23:13,153 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:23:12" (1/1) ... [2019-10-03 13:23:13,162 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 13:23:13,163 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 13:23:13,163 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 13:23:13,163 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 13:23:13,165 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:23:12" (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 13:23:13,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 13:23:13,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 13:23:13,222 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-03 13:23:13,222 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 13:23:13,222 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-03 13:23:13,223 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 13:23:13,223 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 13:23:13,223 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-03 13:23:13,223 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 13:23:13,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 13:23:13,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 13:23:16,380 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 13:23:16,380 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-03 13:23:16,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 01:23:16 BoogieIcfgContainer [2019-10-03 13:23:16,382 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 13:23:16,382 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-03 13:23:16,383 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-03 13:23:16,383 INFO L275 PluginConnector]: Sifa initialized [2019-10-03 13:23:16,385 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 01:23:16" (1/1) ... [2019-10-03 13:23:16,386 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 13:23:16,425 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-03 13:23:16,425 INFO L169 IcfgInterpreter]: Building call graph [2019-10-03 13:23:16,441 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-03 13:23:16,451 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-03 13:23:16,453 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-03 13:23:16,696 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-10-03 13:23:17,005 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 210 for LOIs [2019-10-03 13:23:18,687 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 24 [2019-10-03 13:23:18,778 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5451 conjuctions. This might take some time... [2019-10-03 13:23:18,864 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 24 [2019-10-03 13:23:18,942 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5451 conjuctions. This might take some time... [2019-10-03 13:23:19,032 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 24 [2019-10-03 13:23:19,084 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5451 conjuctions. This might take some time... [2019-10-03 13:23:19,241 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 17 [2019-10-03 13:23:19,253 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 37 [2019-10-03 13:23:22,483 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 305 [2019-10-03 13:23:22,635 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 155 for LOIs [2019-10-03 13:23:28,218 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 24 [2019-10-03 13:23:28,335 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 24 [2019-10-03 13:23:28,475 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-03 13:23:28,475 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-03 13:23:28,477 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) (not (= ~a11~0 1)) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (<= 1 ~a6~0) (<= ~a3~0 0) (<= ~a18~0 1) (<= 0 ~a3~0) (<= ~a6~0 1) (<= 1 ~a18~0) (<= ~w~0 23) (<= 5 ~e~0) (<= ~a~0 1) (<= ~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) (<= 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 13:23:28,491 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-03 13:23:28,491 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-03 13:23:28,493 INFO L168 Benchmark]: Toolchain (without parser) took 16830.39 ms. Allocated memory was 132.6 MB in the beginning and 824.2 MB in the end (delta: 691.5 MB). Free memory was 83.6 MB in the beginning and 646.4 MB in the end (delta: -562.8 MB). Peak memory consumption was 128.7 MB. Max. memory is 7.1 GB. [2019-10-03 13:23:28,494 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 132.6 MB. Free memory is still 106.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-03 13:23:28,495 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1319.86 ms. Allocated memory was 132.6 MB in the beginning and 201.3 MB in the end (delta: 68.7 MB). Free memory was 83.2 MB in the beginning and 115.3 MB in the end (delta: -32.1 MB). Peak memory consumption was 41.8 MB. Max. memory is 7.1 GB. [2019-10-03 13:23:28,496 INFO L168 Benchmark]: Boogie Preprocessor took 178.31 ms. Allocated memory is still 201.3 MB. Free memory was 115.3 MB in the beginning and 104.3 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2019-10-03 13:23:28,497 INFO L168 Benchmark]: RCFGBuilder took 3219.59 ms. Allocated memory was 201.3 MB in the beginning and 274.2 MB in the end (delta: 72.9 MB). Free memory was 104.3 MB in the beginning and 117.9 MB in the end (delta: -13.6 MB). Peak memory consumption was 106.8 MB. Max. memory is 7.1 GB. [2019-10-03 13:23:28,498 INFO L168 Benchmark]: Sifa took 12108.52 ms. Allocated memory was 274.2 MB in the beginning and 824.2 MB in the end (delta: 550.0 MB). Free memory was 117.9 MB in the beginning and 646.4 MB in the end (delta: -528.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2019-10-03 13:23:28,506 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 132.6 MB. Free memory is still 106.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1319.86 ms. Allocated memory was 132.6 MB in the beginning and 201.3 MB in the end (delta: 68.7 MB). Free memory was 83.2 MB in the beginning and 115.3 MB in the end (delta: -32.1 MB). Peak memory consumption was 41.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 178.31 ms. Allocated memory is still 201.3 MB. Free memory was 115.3 MB in the beginning and 104.3 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3219.59 ms. Allocated memory was 201.3 MB in the beginning and 274.2 MB in the end (delta: 72.9 MB). Free memory was 104.3 MB in the beginning and 117.9 MB in the end (delta: -13.6 MB). Peak memory consumption was 106.8 MB. Max. memory is 7.1 GB. * Sifa took 12108.52 ms. Allocated memory was 274.2 MB in the beginning and 824.2 MB in the end (delta: 550.0 MB). Free memory was 117.9 MB in the beginning and 646.4 MB in the end (delta: -528.5 MB). Peak memory consumption was 21.5 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]: 12052, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 443, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 436, TOOLS_POST_TIME[ms]: 312, TOOLS_POST_CALL_APPLICATIONS: 6, TOOLS_POST_CALL_TIME[ms]: 169, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 26, TOOLS_QUANTIFIERELIM_APPLICATIONS: 446, TOOLS_QUANTIFIERELIM_TIME[ms]: 354, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 84, FLUID_QUERY_TIME[ms]: 23, FLUID_QUERIES: 445, FLUID_YES_ANSWERS: 351, DOMAIN_JOIN_APPLICATIONS: 145, DOMAIN_JOIN_TIME[ms]: 2688, DOMAIN_ALPHA_APPLICATIONS: 351, DOMAIN_ALPHA_TIME[ms]: 8137, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 239, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 8, DOMAIN_ISBOTTOM_APPLICATIONS: 140, DOMAIN_ISBOTTOM_TIME[ms]: 221, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 643, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 643, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 5006, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5006, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 18, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 66, DAG_COMPRESSION_PROCESSED_NODES: 2498, DAG_COMPRESSION_RETAINED_NODES: 314 - UnprovableResult [Line: 1536]: 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) (not (= ~a11~0 1)) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (<= 1 ~a6~0) (<= ~a3~0 0) (<= ~a18~0 1) (<= 0 ~a3~0) (<= ~a6~0 1) (<= 1 ~a18~0) (<= ~w~0 23) (<= 5 ~e~0) (<= ~a~0 1) (<= ~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) (<= 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...