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/array-tiling/pnr3.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 04:55:09,293 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 04:55:09,295 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 04:55:09,308 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 04:55:09,308 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 04:55:09,309 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 04:55:09,310 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 04:55:09,312 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 04:55:09,314 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 04:55:09,315 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 04:55:09,316 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 04:55:09,317 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 04:55:09,317 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 04:55:09,318 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 04:55:09,319 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 04:55:09,320 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 04:55:09,321 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 04:55:09,322 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 04:55:09,324 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 04:55:09,328 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 04:55:09,330 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 04:55:09,334 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 04:55:09,336 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 04:55:09,337 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 04:55:09,343 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 04:55:09,343 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 04:55:09,346 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 04:55:09,348 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 04:55:09,351 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 04:55:09,352 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 04:55:09,352 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 04:55:09,353 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 04:55:09,354 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 04:55:09,357 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 04:55:09,358 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 04:55:09,358 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 04:55:09,359 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 04:55:09,359 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 04:55:09,359 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 04:55:09,360 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 04:55:09,361 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 04:55:09,363 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 [2019-10-15 04:55:09,390 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 04:55:09,390 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 04:55:09,392 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 04:55:09,392 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 04:55:09,392 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 04:55:09,392 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 04:55:09,393 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 04:55:09,393 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 04:55:09,393 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 04:55:09,394 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 04:55:09,394 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 04:55:09,394 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 04:55:09,394 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 04:55:09,394 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 04:55:09,395 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 04:55:09,395 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 04:55:09,395 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 04:55:09,395 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 04:55:09,395 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 04:55:09,396 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 04:55:09,396 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 04:55:09,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:55:09,398 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 04:55:09,398 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 04:55:09,398 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 04:55:09,398 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 04:55:09,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 04:55:09,399 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 04:55:09,399 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 [2019-10-15 04:55:09,696 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 04:55:09,707 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 04:55:09,711 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 04:55:09,712 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 04:55:09,713 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 04:55:09,714 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-tiling/pnr3.c [2019-10-15 04:55:09,784 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd9275b4c/d27a56caec1d4747a2eef962e1f01809/FLAG014372879 [2019-10-15 04:55:10,303 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 04:55:10,304 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-tiling/pnr3.c [2019-10-15 04:55:10,312 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd9275b4c/d27a56caec1d4747a2eef962e1f01809/FLAG014372879 [2019-10-15 04:55:10,676 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd9275b4c/d27a56caec1d4747a2eef962e1f01809 [2019-10-15 04:55:10,686 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 04:55:10,687 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 04:55:10,689 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 04:55:10,689 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 04:55:10,693 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 04:55:10,694 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:55:10" (1/1) ... [2019-10-15 04:55:10,697 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e9b8ec1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:55:10, skipping insertion in model container [2019-10-15 04:55:10,697 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:55:10" (1/1) ... [2019-10-15 04:55:10,705 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 04:55:10,731 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 04:55:10,931 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:55:10,942 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 04:55:10,965 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:55:11,071 INFO L192 MainTranslator]: Completed translation [2019-10-15 04:55:11,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:55:11 WrapperNode [2019-10-15 04:55:11,072 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 04:55:11,073 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 04:55:11,073 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 04:55:11,073 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 04:55:11,082 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:55:11" (1/1) ... [2019-10-15 04:55:11,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:55:11" (1/1) ... [2019-10-15 04:55:11,089 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:55:11" (1/1) ... [2019-10-15 04:55:11,090 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:55:11" (1/1) ... [2019-10-15 04:55:11,099 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:55:11" (1/1) ... [2019-10-15 04:55:11,105 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:55:11" (1/1) ... [2019-10-15 04:55:11,107 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:55:11" (1/1) ... [2019-10-15 04:55:11,109 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 04:55:11,110 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 04:55:11,110 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 04:55:11,110 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 04:55:11,111 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:55:11" (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 [2019-10-15 04:55:11,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 04:55:11,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 04:55:11,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-15 04:55:11,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadFromPort [2019-10-15 04:55:11,165 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 04:55:11,165 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 04:55:11,165 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 04:55:11,166 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-15 04:55:11,166 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 04:55:11,166 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 04:55:11,166 INFO L130 BoogieDeclarations]: Found specification of procedure ReadFromPort [2019-10-15 04:55:11,166 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 04:55:11,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 04:55:11,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 04:55:11,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 04:55:11,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 04:55:11,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 04:55:11,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 04:55:11,616 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 04:55:11,616 INFO L284 CfgBuilder]: Removed 2 assume(true) statements. [2019-10-15 04:55:11,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:55:11 BoogieIcfgContainer [2019-10-15 04:55:11,618 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 04:55:11,618 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-15 04:55:11,618 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-15 04:55:11,619 INFO L275 PluginConnector]: Sifa initialized [2019-10-15 04:55:11,620 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:55:11" (1/1) ... [2019-10-15 04:55:11,621 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 [2019-10-15 04:55:11,645 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-15 04:55:11,645 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 04:55:11,653 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 04:55:11,661 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 04:55:11,662 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 04:55:11,870 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 32 for LOIs [2019-10-15 04:55:12,450 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 04:55:18,045 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-10-15 04:55:18,049 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-15 04:55:18,061 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-15 04:55:18,061 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-15 04:55:18,063 INFO L168 Benchmark]: Toolchain (without parser) took 7376.14 ms. Allocated memory was 146.3 MB in the beginning and 328.2 MB in the end (delta: 181.9 MB). Free memory was 104.4 MB in the beginning and 241.4 MB in the end (delta: -137.0 MB). Peak memory consumption was 44.9 MB. Max. memory is 7.1 GB. [2019-10-15 04:55:18,063 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 146.3 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-15 04:55:18,064 INFO L168 Benchmark]: CACSL2BoogieTranslator took 383.81 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 104.2 MB in the beginning and 182.0 MB in the end (delta: -77.8 MB). Peak memory consumption was 19.4 MB. Max. memory is 7.1 GB. [2019-10-15 04:55:18,064 INFO L168 Benchmark]: Boogie Preprocessor took 36.96 ms. Allocated memory is still 203.9 MB. Free memory was 182.0 MB in the beginning and 180.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-10-15 04:55:18,065 INFO L168 Benchmark]: RCFGBuilder took 507.72 ms. Allocated memory is still 203.9 MB. Free memory was 180.0 MB in the beginning and 155.9 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. [2019-10-15 04:55:18,065 INFO L168 Benchmark]: Sifa took 6443.43 ms. Allocated memory was 203.9 MB in the beginning and 328.2 MB in the end (delta: 124.3 MB). Free memory was 155.9 MB in the beginning and 241.4 MB in the end (delta: -85.5 MB). Peak memory consumption was 38.8 MB. Max. memory is 7.1 GB. [2019-10-15 04:55:18,068 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 146.3 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 383.81 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 104.2 MB in the beginning and 182.0 MB in the end (delta: -77.8 MB). Peak memory consumption was 19.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 36.96 ms. Allocated memory is still 203.9 MB. Free memory was 182.0 MB in the beginning and 180.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 507.72 ms. Allocated memory is still 203.9 MB. Free memory was 180.0 MB in the beginning and 155.9 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. * Sifa took 6443.43 ms. Allocated memory was 203.9 MB in the beginning and 328.2 MB in the end (delta: 124.3 MB). Free memory was 155.9 MB in the beginning and 241.4 MB in the end (delta: -85.5 MB). Peak memory consumption was 38.8 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]: 6404, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 62, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 40, TOOLS_POST_TIME[ms]: 4898, TOOLS_POST_CALL_APPLICATIONS: 19, TOOLS_POST_CALL_TIME[ms]: 749, TOOLS_POST_RETURN_APPLICATIONS: 17, TOOLS_POST_RETURN_TIME[ms]: 38, TOOLS_QUANTIFIERELIM_APPLICATIONS: 76, TOOLS_QUANTIFIERELIM_TIME[ms]: 5633, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 2268, FLUID_QUERY_TIME[ms]: 8, FLUID_QUERIES: 69, FLUID_YES_ANSWERS: 4, DOMAIN_JOIN_APPLICATIONS: 13, DOMAIN_JOIN_TIME[ms]: 352, DOMAIN_ALPHA_APPLICATIONS: 4, DOMAIN_ALPHA_TIME[ms]: 97, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 147, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 15, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 6, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 5417, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5416, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 17, CALL_SUMMARIZER_CACHE_MISSES: 3, CALL_SUMMARIZER_OVERALL_TIME[ms]: 184, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 182, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 24, DAG_COMPRESSION_PROCESSED_NODES: 100, DAG_COMPRESSION_RETAINED_NODES: 55 - UnprovableResult [Line: 3]: 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 245#(and (or (and (= |__VERIFIER_assert_#in~cond| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...