/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_label05.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 07:24:04,303 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 07:24:04,305 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 07:24:04,319 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 07:24:04,320 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 07:24:04,322 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 07:24:04,323 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 07:24:04,332 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 07:24:04,333 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 07:24:04,334 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 07:24:04,336 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 07:24:04,338 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 07:24:04,338 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 07:24:04,341 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 07:24:04,343 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 07:24:04,346 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 07:24:04,348 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 07:24:04,350 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 07:24:04,352 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 07:24:04,358 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 07:24:04,362 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 07:24:04,363 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 07:24:04,367 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 07:24:04,368 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 07:24:04,370 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 07:24:04,370 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 07:24:04,370 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 07:24:04,372 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 07:24:04,373 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 07:24:04,376 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 07:24:04,376 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 07:24:04,378 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 07:24:04,379 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 07:24:04,379 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 07:24:04,380 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 07:24:04,381 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 07:24:04,382 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 07:24:04,382 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 07:24:04,382 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 07:24:04,384 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 07:24:04,385 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 07:24:04,385 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 07:24:04,406 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 07:24:04,406 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 07:24:04,407 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 07:24:04,411 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 07:24:04,412 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 07:24:04,412 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 07:24:04,412 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 07:24:04,412 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 07:24:04,413 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 07:24:04,413 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 07:24:04,413 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 07:24:04,413 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 07:24:04,413 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 07:24:04,414 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 07:24:04,414 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 07:24:04,414 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 07:24:04,414 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 07:24:04,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 07:24:04,415 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 07:24:04,415 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 07:24:04,415 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 07:24:04,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 07:24:04,416 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 07:24:04,416 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 07:24:04,416 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 07:24:04,416 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 07:24:04,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 07:24:04,417 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 07:24:04,417 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 07:24:04,706 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 07:24:04,722 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 07:24:04,726 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 07:24:04,728 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 07:24:04,729 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 07:24:04,730 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem04_label05.c [2019-11-07 07:24:04,805 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c31f4bee4/4c6223ad9f6940dbb168d1273766a7f4/FLAG40183726d [2019-11-07 07:24:05,590 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 07:24:05,591 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem04_label05.c [2019-11-07 07:24:05,622 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c31f4bee4/4c6223ad9f6940dbb168d1273766a7f4/FLAG40183726d [2019-11-07 07:24:05,685 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c31f4bee4/4c6223ad9f6940dbb168d1273766a7f4 [2019-11-07 07:24:05,695 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 07:24:05,697 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 07:24:05,698 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 07:24:05,698 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 07:24:05,702 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 07:24:05,703 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:24:05" (1/1) ... [2019-11-07 07:24:05,706 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@630fa84f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:24:05, skipping insertion in model container [2019-11-07 07:24:05,706 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:24:05" (1/1) ... [2019-11-07 07:24:05,714 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 07:24:05,887 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 07:24:07,472 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:24:07,483 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 07:24:08,147 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:24:08,179 INFO L192 MainTranslator]: Completed translation [2019-11-07 07:24:08,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:24:08 WrapperNode [2019-11-07 07:24:08,180 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 07:24:08,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 07:24:08,181 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 07:24:08,181 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 07:24:08,195 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:24:08" (1/1) ... [2019-11-07 07:24:08,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:24:08" (1/1) ... [2019-11-07 07:24:08,248 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:24:08" (1/1) ... [2019-11-07 07:24:08,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:24:08" (1/1) ... [2019-11-07 07:24:08,358 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:24:08" (1/1) ... [2019-11-07 07:24:08,387 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:24:08" (1/1) ... [2019-11-07 07:24:08,414 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:24:08" (1/1) ... [2019-11-07 07:24:08,440 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 07:24:08,440 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 07:24:08,441 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 07:24:08,441 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 07:24:08,442 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:24:08" (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 07:24:08,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 07:24:08,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 07:24:08,509 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-11-07 07:24:08,510 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-11-07 07:24:08,510 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-11-07 07:24:08,510 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-11-07 07:24:08,510 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 07:24:08,511 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-11-07 07:24:08,511 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-11-07 07:24:08,511 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-11-07 07:24:08,511 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-11-07 07:24:08,512 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 07:24:08,512 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 07:24:08,512 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-07 07:24:08,513 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 07:24:08,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 07:24:08,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 07:24:13,524 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 07:24:13,525 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 07:24:13,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:24:13 BoogieIcfgContainer [2019-11-07 07:24:13,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 07:24:13,527 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 07:24:13,527 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 07:24:13,528 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 07:24:13,529 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:24:13" (1/1) ... [2019-11-07 07:24:13,529 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 07:24:13,575 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 07:24:13,575 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 07:24:13,599 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 07:24:13,606 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 07:24:13,608 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 07:24:13,670 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 69 for LOIs [2019-11-07 07:24:17,898 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 28 [2019-11-07 07:24:17,979 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 8913 conjuctions. This might take some time... [2019-11-07 07:24:18,144 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 28 [2019-11-07 07:24:18,212 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 8913 conjuctions. This might take some time... [2019-11-07 07:24:18,393 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 28 [2019-11-07 07:24:18,497 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 8913 conjuctions. This might take some time... [2019-11-07 07:24:18,716 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 25 [2019-11-07 07:24:18,766 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 33 [2019-11-07 07:24:25,590 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-11-07 07:24:25,921 INFO L197 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 76 for LOIs [2019-11-07 07:24:28,571 INFO L197 IcfgInterpreter]: Interpreting procedure calculate_output2 with input of size 76 for LOIs [2019-11-07 07:24:31,899 INFO L197 IcfgInterpreter]: Interpreting procedure calculate_output3 with input of size 105 for LOIs [2019-11-07 07:24:34,826 INFO L197 IcfgInterpreter]: Interpreting procedure calculate_output4 with input of size 109 for LOIs [2019-11-07 07:24:35,969 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 28 [2019-11-07 07:24:36,106 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 8585 conjuctions. This might take some time... [2019-11-07 07:24:36,581 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 28 [2019-11-07 07:24:36,746 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 8585 conjuctions. This might take some time... [2019-11-07 07:24:37,199 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 07:24:37,213 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 07:24:37,213 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 07:24:37,216 INFO L168 Benchmark]: Toolchain (without parser) took 31518.72 ms. Allocated memory was 136.8 MB in the beginning and 1.0 GB in the end (delta: 868.2 MB). Free memory was 85.3 MB in the beginning and 764.3 MB in the end (delta: -679.0 MB). Peak memory consumption was 189.2 MB. Max. memory is 7.1 GB. [2019-11-07 07:24:37,217 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 136.8 MB. Free memory was 118.8 MB in the beginning and 118.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-07 07:24:37,218 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2482.31 ms. Allocated memory was 136.8 MB in the beginning and 260.6 MB in the end (delta: 123.7 MB). Free memory was 85.1 MB in the beginning and 174.8 MB in the end (delta: -89.7 MB). Peak memory consumption was 116.9 MB. Max. memory is 7.1 GB. [2019-11-07 07:24:37,219 INFO L168 Benchmark]: Boogie Preprocessor took 259.61 ms. Allocated memory is still 260.6 MB. Free memory was 174.8 MB in the beginning and 145.3 MB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. [2019-11-07 07:24:37,220 INFO L168 Benchmark]: RCFGBuilder took 5086.54 ms. Allocated memory was 260.6 MB in the beginning and 410.0 MB in the end (delta: 149.4 MB). Free memory was 145.3 MB in the beginning and 113.4 MB in the end (delta: 31.9 MB). Peak memory consumption was 191.1 MB. Max. memory is 7.1 GB. [2019-11-07 07:24:37,221 INFO L168 Benchmark]: Sifa took 23686.25 ms. Allocated memory was 410.0 MB in the beginning and 1.0 GB in the end (delta: 595.1 MB). Free memory was 113.4 MB in the beginning and 764.3 MB in the end (delta: -650.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-11-07 07:24:37,225 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 136.8 MB. Free memory was 118.8 MB in the beginning and 118.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2482.31 ms. Allocated memory was 136.8 MB in the beginning and 260.6 MB in the end (delta: 123.7 MB). Free memory was 85.1 MB in the beginning and 174.8 MB in the end (delta: -89.7 MB). Peak memory consumption was 116.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 259.61 ms. Allocated memory is still 260.6 MB. Free memory was 174.8 MB in the beginning and 145.3 MB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5086.54 ms. Allocated memory was 260.6 MB in the beginning and 410.0 MB in the end (delta: 149.4 MB). Free memory was 145.3 MB in the beginning and 113.4 MB in the end (delta: 31.9 MB). Peak memory consumption was 191.1 MB. Max. memory is 7.1 GB. * Sifa took 23686.25 ms. Allocated memory was 410.0 MB in the beginning and 1.0 GB in the end (delta: 595.1 MB). Free memory was 113.4 MB in the beginning and 764.3 MB in the end (delta: -650.9 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 23625, 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]: 806, TOOLS_POST_CALL_APPLICATIONS: 11, TOOLS_POST_CALL_TIME[ms]: 45, TOOLS_POST_RETURN_APPLICATIONS: 6, TOOLS_POST_RETURN_TIME[ms]: 31, TOOLS_QUANTIFIERELIM_APPLICATIONS: 2298, TOOLS_QUANTIFIERELIM_TIME[ms]: 538, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 17, FLUID_QUERY_TIME[ms]: 47, FLUID_QUERIES: 2303, FLUID_YES_ANSWERS: 1576, DOMAIN_JOIN_APPLICATIONS: 751, DOMAIN_JOIN_TIME[ms]: 5376, DOMAIN_ALPHA_APPLICATIONS: 1576, DOMAIN_ALPHA_TIME[ms]: 14999, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 76, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 7, DOMAIN_ISBOTTOM_APPLICATIONS: 751, DOMAIN_ISBOTTOM_TIME[ms]: 942, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 12242, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12241, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 6, CALL_SUMMARIZER_CACHE_MISSES: 5, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11720, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11720, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 120, REGEX_TO_DAG_TIME[ms]: 14, DAG_COMPRESSION_TIME[ms]: 921, DAG_COMPRESSION_PROCESSED_NODES: 37550, DAG_COMPRESSION_RETAINED_NODES: 1562 - UnprovableResult [Line: 4706]: 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 64136#(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) (<= ~w~0 23) (= 16 ~a4~0) (<= 5 ~e~0) (<= ~a~0 1) (= 1 ~a1~0) (= 1 ~a7~0) (<= 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) (= ~a26~0 17) (<= 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) (= ~a28~0 15) (<= ~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...