/usr/bin/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_label43.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 07:25:12,244 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 07:25:12,246 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 07:25:12,259 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 07:25:12,260 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 07:25:12,261 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 07:25:12,262 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 07:25:12,265 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 07:25:12,275 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 07:25:12,276 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 07:25:12,277 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 07:25:12,278 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 07:25:12,278 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 07:25:12,282 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 07:25:12,282 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 07:25:12,283 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 07:25:12,286 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 07:25:12,288 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 07:25:12,289 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 07:25:12,295 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 07:25:12,299 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 07:25:12,302 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 07:25:12,304 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 07:25:12,305 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 07:25:12,307 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 07:25:12,307 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 07:25:12,308 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 07:25:12,309 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 07:25:12,310 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 07:25:12,311 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 07:25:12,312 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 07:25:12,313 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 07:25:12,313 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 07:25:12,314 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 07:25:12,315 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 07:25:12,316 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 07:25:12,316 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 07:25:12,316 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 07:25:12,317 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 07:25:12,317 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 07:25:12,318 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 07:25:12,319 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 [2019-11-07 07:25:12,351 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 07:25:12,351 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 07:25:12,352 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 07:25:12,353 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 07:25:12,356 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 07:25:12,356 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 07:25:12,356 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 07:25:12,357 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 07:25:12,357 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 07:25:12,357 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 07:25:12,357 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 07:25:12,357 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 07:25:12,357 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 07:25:12,358 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 07:25:12,358 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 07:25:12,358 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 07:25:12,358 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 07:25:12,358 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 07:25:12,359 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 07:25:12,361 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 07:25:12,361 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 07:25:12,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 07:25:12,362 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 07:25:12,362 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 07:25:12,362 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 07:25:12,362 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 07:25:12,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 07:25:12,362 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 07:25:12,363 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 [2019-11-07 07:25:12,655 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 07:25:12,672 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 07:25:12,676 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 07:25:12,677 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 07:25:12,678 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 07:25:12,679 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem04_label43.c [2019-11-07 07:25:12,756 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59d49b824/69ce44cd96db412db2b98dc06ad910c2/FLAG43a8bfc22 [2019-11-07 07:25:13,532 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 07:25:13,533 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem04_label43.c [2019-11-07 07:25:13,567 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59d49b824/69ce44cd96db412db2b98dc06ad910c2/FLAG43a8bfc22 [2019-11-07 07:25:14,077 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59d49b824/69ce44cd96db412db2b98dc06ad910c2 [2019-11-07 07:25:14,087 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 07:25:14,089 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 07:25:14,090 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 07:25:14,090 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 07:25:14,094 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 07:25:14,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:25:14" (1/1) ... [2019-11-07 07:25:14,098 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2737cc05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:25:14, skipping insertion in model container [2019-11-07 07:25:14,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:25:14" (1/1) ... [2019-11-07 07:25:14,106 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 07:25:14,275 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 07:25:15,763 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:25:15,775 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 07:25:16,477 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:25:16,511 INFO L192 MainTranslator]: Completed translation [2019-11-07 07:25:16,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:25:16 WrapperNode [2019-11-07 07:25:16,511 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 07:25:16,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 07:25:16,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 07:25:16,512 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 07:25:16,526 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:25:16" (1/1) ... [2019-11-07 07:25:16,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:25:16" (1/1) ... [2019-11-07 07:25:16,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:25:16" (1/1) ... [2019-11-07 07:25:16,573 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:25:16" (1/1) ... [2019-11-07 07:25:16,681 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:25:16" (1/1) ... [2019-11-07 07:25:16,720 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:25:16" (1/1) ... [2019-11-07 07:25:16,744 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:25:16" (1/1) ... [2019-11-07 07:25:16,772 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 07:25:16,772 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 07:25:16,772 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 07:25:16,773 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 07:25:16,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:25:16" (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 [2019-11-07 07:25:16,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 07:25:16,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 07:25:16,843 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-11-07 07:25:16,843 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-11-07 07:25:16,844 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-11-07 07:25:16,844 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-11-07 07:25:16,844 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 07:25:16,845 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-11-07 07:25:16,845 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-11-07 07:25:16,846 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-11-07 07:25:16,846 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-11-07 07:25:16,846 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 07:25:16,847 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 07:25:16,847 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-07 07:25:16,847 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 07:25:16,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 07:25:16,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 07:25:22,464 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 07:25:22,465 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 07:25:22,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:25:22 BoogieIcfgContainer [2019-11-07 07:25:22,470 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 07:25:22,471 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 07:25:22,471 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 07:25:22,471 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 07:25:22,472 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:25:22" (1/1) ... [2019-11-07 07:25:22,473 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 [2019-11-07 07:25:22,513 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 07:25:22,514 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 07:25:22,534 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 07:25:22,542 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 07:25:22,543 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 07:25:22,620 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 69 for LOIs [2019-11-07 07:25:26,952 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 43 [2019-11-07 07:25:27,077 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 7754 conjuctions. This might take some time... [2019-11-07 07:25:27,233 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 43 [2019-11-07 07:25:27,346 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 7754 conjuctions. This might take some time... [2019-11-07 07:25:27,471 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 43 [2019-11-07 07:25:27,584 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 7754 conjuctions. This might take some time... [2019-11-07 07:25:27,726 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 18 [2019-11-07 07:25:27,767 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 18 [2019-11-07 07:25:34,329 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-11-07 07:25:34,614 INFO L197 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 76 for LOIs [2019-11-07 07:25:36,803 INFO L197 IcfgInterpreter]: Interpreting procedure calculate_output2 with input of size 76 for LOIs [2019-11-07 07:25:39,625 INFO L197 IcfgInterpreter]: Interpreting procedure calculate_output3 with input of size 105 for LOIs [2019-11-07 07:25:42,291 INFO L197 IcfgInterpreter]: Interpreting procedure calculate_output4 with input of size 109 for LOIs [2019-11-07 07:25:43,372 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 43 [2019-11-07 07:25:43,493 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6851 conjuctions. This might take some time... [2019-11-07 07:25:43,771 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 43 [2019-11-07 07:25:43,885 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6851 conjuctions. This might take some time... [2019-11-07 07:25:44,179 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 07:25:44,195 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 07:25:44,195 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 07:25:44,198 INFO L168 Benchmark]: Toolchain (without parser) took 30108.37 ms. Allocated memory was 144.7 MB in the beginning and 1.1 GB in the end (delta: 991.4 MB). Free memory was 86.0 MB in the beginning and 83.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 994.4 MB. Max. memory is 7.1 GB. [2019-11-07 07:25:44,201 INFO L168 Benchmark]: CDTParser took 1.26 ms. Allocated memory is still 144.7 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-07 07:25:44,202 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2421.74 ms. Allocated memory was 144.7 MB in the beginning and 261.6 MB in the end (delta: 116.9 MB). Free memory was 85.8 MB in the beginning and 191.6 MB in the end (delta: -105.9 MB). Peak memory consumption was 119.5 MB. Max. memory is 7.1 GB. [2019-11-07 07:25:44,203 INFO L168 Benchmark]: Boogie Preprocessor took 259.99 ms. Allocated memory is still 261.6 MB. Free memory was 191.6 MB in the beginning and 162.7 MB in the end (delta: 28.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 7.1 GB. [2019-11-07 07:25:44,205 INFO L168 Benchmark]: RCFGBuilder took 5698.21 ms. Allocated memory was 261.6 MB in the beginning and 391.1 MB in the end (delta: 129.5 MB). Free memory was 162.7 MB in the beginning and 291.7 MB in the end (delta: -129.0 MB). Peak memory consumption was 238.1 MB. Max. memory is 7.1 GB. [2019-11-07 07:25:44,211 INFO L168 Benchmark]: Sifa took 21724.51 ms. Allocated memory was 391.1 MB in the beginning and 1.1 GB in the end (delta: 745.0 MB). Free memory was 291.7 MB in the beginning and 83.0 MB in the end (delta: 208.8 MB). Peak memory consumption was 953.8 MB. Max. memory is 7.1 GB. [2019-11-07 07:25:44,224 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.26 ms. Allocated memory is still 144.7 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2421.74 ms. Allocated memory was 144.7 MB in the beginning and 261.6 MB in the end (delta: 116.9 MB). Free memory was 85.8 MB in the beginning and 191.6 MB in the end (delta: -105.9 MB). Peak memory consumption was 119.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 259.99 ms. Allocated memory is still 261.6 MB. Free memory was 191.6 MB in the beginning and 162.7 MB in the end (delta: 28.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5698.21 ms. Allocated memory was 261.6 MB in the beginning and 391.1 MB in the end (delta: 129.5 MB). Free memory was 162.7 MB in the beginning and 291.7 MB in the end (delta: -129.0 MB). Peak memory consumption was 238.1 MB. Max. memory is 7.1 GB. * Sifa took 21724.51 ms. Allocated memory was 391.1 MB in the beginning and 1.1 GB in the end (delta: 745.0 MB). Free memory was 291.7 MB in the beginning and 83.0 MB in the end (delta: 208.8 MB). Peak memory consumption was 953.8 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]: 21667, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 751, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 2281, TOOLS_POST_TIME[ms]: 812, TOOLS_POST_CALL_APPLICATIONS: 11, TOOLS_POST_CALL_TIME[ms]: 56, TOOLS_POST_RETURN_APPLICATIONS: 6, TOOLS_POST_RETURN_TIME[ms]: 21, TOOLS_QUANTIFIERELIM_APPLICATIONS: 2298, TOOLS_QUANTIFIERELIM_TIME[ms]: 561, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 38, FLUID_QUERY_TIME[ms]: 41, FLUID_QUERIES: 2303, FLUID_YES_ANSWERS: 1576, DOMAIN_JOIN_APPLICATIONS: 751, DOMAIN_JOIN_TIME[ms]: 5046, DOMAIN_ALPHA_APPLICATIONS: 1576, DOMAIN_ALPHA_TIME[ms]: 13325, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 80, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 7, DOMAIN_ISBOTTOM_APPLICATIONS: 751, DOMAIN_ISBOTTOM_TIME[ms]: 1001, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 11978, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11978, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 6, CALL_SUMMARIZER_CACHE_MISSES: 5, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11555, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11554, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 10, PATH_EXPR_TIME[ms]: 82, REGEX_TO_DAG_TIME[ms]: 14, DAG_COMPRESSION_TIME[ms]: 944, DAG_COMPRESSION_PROCESSED_NODES: 37639, DAG_COMPRESSION_RETAINED_NODES: 1562 - UnprovableResult [Line: 4751]: 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 64109#(and (<= ~b~0 2) (<= 21 ~u~0) (<= ~x~0 24) (<= |calculate_output4_#in~input| 6) (<= 6 ~f~0) (<= 1 ~a~0) (= ~a25~0 1) (<= 23 ~w~0) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (= ~a26~0 19) (= ~a28~0 17) (<= ~w~0 23) (= 16 ~a4~0) (<= 5 ~e~0) (<= ~a~0 1) (= 1 ~a7~0) (= 1 ~a1~0) (<= 1 ~a25~0) (= ~a14~0 19) (<= ~d~0 4) (<= 1 calculate_output4_~input) (<= calculate_output4_~input 6) (<= 25 ~y~0) (<= ~y~0 25) (<= 22 ~v~0) (<= 1 ~a1~0) (<= ~a25~0 1) (<= 2 ~b~0) (<= ~f~0 6) (<= 1 |calculate_output4_#in~input|) (= 1 ~a3~0) (<= 4 ~d~0) (<= ~v~0 22) (<= ~u~0 21) (<= 26 ~z~0) (<= ~a1~0 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...