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/Problem02_label21.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 00:53:32,071 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 00:53:32,075 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 00:53:32,088 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 00:53:32,089 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 00:53:32,090 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 00:53:32,091 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 00:53:32,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 00:53:32,095 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 00:53:32,096 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 00:53:32,097 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 00:53:32,104 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 00:53:32,104 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 00:53:32,106 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 00:53:32,107 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 00:53:32,109 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 00:53:32,110 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 00:53:32,114 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 00:53:32,116 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 00:53:32,118 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 00:53:32,122 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 00:53:32,123 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 00:53:32,126 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 00:53:32,126 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 00:53:32,130 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 00:53:32,131 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 00:53:32,131 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 00:53:32,132 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 00:53:32,132 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 00:53:32,133 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 00:53:32,134 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 00:53:32,134 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 00:53:32,135 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 00:53:32,136 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 00:53:32,137 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 00:53:32,137 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 00:53:32,138 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 00:53:32,138 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 00:53:32,138 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 00:53:32,139 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 00:53:32,140 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 00:53:32,141 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 00:53:32,155 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 00:53:32,155 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 00:53:32,156 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 00:53:32,157 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 00:53:32,157 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 00:53:32,157 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 00:53:32,157 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 00:53:32,157 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 00:53:32,158 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 00:53:32,158 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 00:53:32,158 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 00:53:32,158 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 00:53:32,158 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 00:53:32,159 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 00:53:32,159 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 00:53:32,159 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 00:53:32,159 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 00:53:32,160 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 00:53:32,160 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 00:53:32,160 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 00:53:32,160 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 00:53:32,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 00:53:32,161 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 00:53:32,161 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 00:53:32,161 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 00:53:32,161 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 00:53:32,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 00:53:32,162 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 00:53:32,162 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 00:53:32,512 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 00:53:32,535 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 00:53:32,539 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 00:53:32,540 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 00:53:32,541 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 00:53:32,542 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label21.c [2019-10-14 00:53:32,621 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72b520971/4440f59c337446c3b9432081deb21413/FLAG1f6e63156 [2019-10-14 00:53:33,241 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 00:53:33,241 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label21.c [2019-10-14 00:53:33,260 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72b520971/4440f59c337446c3b9432081deb21413/FLAG1f6e63156 [2019-10-14 00:53:33,480 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72b520971/4440f59c337446c3b9432081deb21413 [2019-10-14 00:53:33,495 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 00:53:33,497 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 00:53:33,498 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 00:53:33,498 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 00:53:33,502 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 00:53:33,503 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:53:33" (1/1) ... [2019-10-14 00:53:33,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c679016 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:53:33, skipping insertion in model container [2019-10-14 00:53:33,506 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:53:33" (1/1) ... [2019-10-14 00:53:33,513 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 00:53:33,570 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 00:53:34,006 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:53:34,019 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 00:53:34,210 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:53:34,228 INFO L192 MainTranslator]: Completed translation [2019-10-14 00:53:34,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:53:34 WrapperNode [2019-10-14 00:53:34,229 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 00:53:34,230 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 00:53:34,230 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 00:53:34,230 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 00:53:34,241 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:53:34" (1/1) ... [2019-10-14 00:53:34,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:53:34" (1/1) ... [2019-10-14 00:53:34,271 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:53:34" (1/1) ... [2019-10-14 00:53:34,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:53:34" (1/1) ... [2019-10-14 00:53:34,309 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:53:34" (1/1) ... [2019-10-14 00:53:34,325 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:53:34" (1/1) ... [2019-10-14 00:53:34,332 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:53:34" (1/1) ... [2019-10-14 00:53:34,342 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 00:53:34,343 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 00:53:34,343 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 00:53:34,343 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 00:53:34,348 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:53:34" (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 00:53:34,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 00:53:34,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 00:53:34,400 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-14 00:53:34,400 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 00:53:34,401 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-14 00:53:34,401 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 00:53:34,401 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 00:53:34,401 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 00:53:34,401 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 00:53:34,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 00:53:34,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 00:53:36,481 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 00:53:36,482 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-14 00:53:36,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:53:36 BoogieIcfgContainer [2019-10-14 00:53:36,484 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 00:53:36,484 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-14 00:53:36,485 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-14 00:53:36,485 INFO L275 PluginConnector]: Sifa initialized [2019-10-14 00:53:36,486 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:53:36" (1/1) ... [2019-10-14 00:53:36,487 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 00:53:36,513 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-14 00:53:36,513 INFO L169 IcfgInterpreter]: Building call graph [2019-10-14 00:53:36,522 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-14 00:53:36,532 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-14 00:53:36,534 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-14 00:53:36,798 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 87 for LOIs [2019-10-14 00:53:37,367 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 16 [2019-10-14 00:53:37,407 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 16 [2019-10-14 00:53:37,451 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 16 [2019-10-14 00:53:37,595 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 22 [2019-10-14 00:53:37,626 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 45 [2019-10-14 00:53:38,707 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 78 for LOIs [2019-10-14 00:53:39,524 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 16 [2019-10-14 00:53:39,592 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 16 [2019-10-14 00:53:39,713 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-14 00:53:39,713 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-14 00:53:39,715 INFO L193 IcfgInterpreter]: Reachable states at location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 3153#(and (<= 21 ~u~0) (<= 1 calculate_output_~input) (<= ~x~0 24) (<= 1 |calculate_output_#in~input|) (<= 6 ~f~0) (<= |calculate_output_#in~input| 6) (<= 1 ~a~0) (= ~a21~0 1) (= ~a25~0 1) (<= 23 ~w~0) (not (= ~a11~0 1)) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (<= 1 ~a19~0) (<= 8 ~a28~0) (= ~a28~0 8) (<= ~a17~0 7) (<= ~a19~0 1) (= ~a19~0 1) (<= ~a28~0 8) (<= ~w~0 23) (<= 7 ~a17~0) (<= 5 ~e~0) (<= ~a~0 1) (<= 1 ~a21~0) (<= 1 ~a25~0) (<= ~d~0 4) (<= 25 ~y~0) (<= ~y~0 25) (<= 22 ~v~0) (<= ~a21~0 1) (<= calculate_output_~input 6) (<= ~a25~0 1) (<= ~f~0 6) (= ~a17~0 7) (<= 4 ~d~0) (<= ~v~0 22) (<= ~u~0 21) (<= 26 ~z~0) (<= 24 ~x~0) (<= ~e~0 5)) [2019-10-14 00:53:39,731 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-14 00:53:39,731 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-14 00:53:39,735 INFO L168 Benchmark]: Toolchain (without parser) took 6236.41 ms. Allocated memory was 144.7 MB in the beginning and 342.9 MB in the end (delta: 198.2 MB). Free memory was 101.5 MB in the beginning and 175.2 MB in the end (delta: -73.7 MB). Peak memory consumption was 124.5 MB. Max. memory is 7.1 GB. [2019-10-14 00:53:39,737 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-14 00:53:39,739 INFO L168 Benchmark]: CACSL2BoogieTranslator took 731.41 ms. Allocated memory was 144.7 MB in the beginning and 203.9 MB in the end (delta: 59.2 MB). Free memory was 101.3 MB in the beginning and 170.8 MB in the end (delta: -69.5 MB). Peak memory consumption was 32.0 MB. Max. memory is 7.1 GB. [2019-10-14 00:53:39,740 INFO L168 Benchmark]: Boogie Preprocessor took 112.81 ms. Allocated memory is still 203.9 MB. Free memory was 170.8 MB in the beginning and 165.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-10-14 00:53:39,742 INFO L168 Benchmark]: RCFGBuilder took 2140.84 ms. Allocated memory was 203.9 MB in the beginning and 252.2 MB in the end (delta: 48.2 MB). Free memory was 165.9 MB in the beginning and 207.3 MB in the end (delta: -41.5 MB). Peak memory consumption was 119.0 MB. Max. memory is 7.1 GB. [2019-10-14 00:53:39,748 INFO L168 Benchmark]: Sifa took 3247.23 ms. Allocated memory was 252.2 MB in the beginning and 342.9 MB in the end (delta: 90.7 MB). Free memory was 207.3 MB in the beginning and 175.2 MB in the end (delta: 32.1 MB). Peak memory consumption was 122.8 MB. Max. memory is 7.1 GB. [2019-10-14 00:53:39,760 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 731.41 ms. Allocated memory was 144.7 MB in the beginning and 203.9 MB in the end (delta: 59.2 MB). Free memory was 101.3 MB in the beginning and 170.8 MB in the end (delta: -69.5 MB). Peak memory consumption was 32.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.81 ms. Allocated memory is still 203.9 MB. Free memory was 170.8 MB in the beginning and 165.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2140.84 ms. Allocated memory was 203.9 MB in the beginning and 252.2 MB in the end (delta: 48.2 MB). Free memory was 165.9 MB in the beginning and 207.3 MB in the end (delta: -41.5 MB). Peak memory consumption was 119.0 MB. Max. memory is 7.1 GB. * Sifa took 3247.23 ms. Allocated memory was 252.2 MB in the beginning and 342.9 MB in the end (delta: 90.7 MB). Free memory was 207.3 MB in the beginning and 175.2 MB in the end (delta: 32.1 MB). Peak memory consumption was 122.8 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]: 3203, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 250, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 244, TOOLS_POST_TIME[ms]: 130, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 41, TOOLS_POST_RETURN_APPLICATIONS: 3, TOOLS_POST_RETURN_TIME[ms]: 17, TOOLS_QUANTIFIERELIM_APPLICATIONS: 252, TOOLS_QUANTIFIERELIM_TIME[ms]: 121, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 17, FLUID_QUERY_TIME[ms]: 16, FLUID_QUERIES: 252, FLUID_YES_ANSWERS: 114, DOMAIN_JOIN_APPLICATIONS: 81, DOMAIN_JOIN_TIME[ms]: 1192, DOMAIN_ALPHA_APPLICATIONS: 114, DOMAIN_ALPHA_TIME[ms]: 1449, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 48, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 4, DOMAIN_ISBOTTOM_APPLICATIONS: 76, DOMAIN_ISBOTTOM_TIME[ms]: 135, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1894, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1894, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 3, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1849, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1848, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 11, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 63, DAG_COMPRESSION_PROCESSED_NODES: 1422, DAG_COMPRESSION_RETAINED_NODES: 187 - UnprovableResult [Line: 460]: 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 3153#(and (<= 21 ~u~0) (<= 1 calculate_output_~input) (<= ~x~0 24) (<= 1 |calculate_output_#in~input|) (<= 6 ~f~0) (<= |calculate_output_#in~input| 6) (<= 1 ~a~0) (= ~a21~0 1) (= ~a25~0 1) (<= 23 ~w~0) (not (= ~a11~0 1)) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (<= 1 ~a19~0) (<= 8 ~a28~0) (= ~a28~0 8) (<= ~a17~0 7) (<= ~a19~0 1) (= ~a19~0 1) (<= ~a28~0 8) (<= ~w~0 23) (<= 7 ~a17~0) (<= 5 ~e~0) (<= ~a~0 1) (<= 1 ~a21~0) (<= 1 ~a25~0) (<= ~d~0 4) (<= 25 ~y~0) (<= ~y~0 25) (<= 22 ~v~0) (<= ~a21~0 1) (<= calculate_output_~input 6) (<= ~a25~0 1) (<= ~f~0 6) (= ~a17~0 7) (<= 4 ~d~0) (<= ~v~0 22) (<= ~u~0 21) (<= 26 ~z~0) (<= 24 ~x~0) (<= ~e~0 5)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...