/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/array-tiling/nr2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 07:16:09,120 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 07:16:09,122 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 07:16:09,140 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 07:16:09,140 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 07:16:09,142 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 07:16:09,144 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 07:16:09,153 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 07:16:09,155 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 07:16:09,156 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 07:16:09,157 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 07:16:09,158 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 07:16:09,159 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 07:16:09,160 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 07:16:09,161 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 07:16:09,162 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 07:16:09,163 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 07:16:09,163 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 07:16:09,165 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 07:16:09,167 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 07:16:09,168 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 07:16:09,169 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 07:16:09,170 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 07:16:09,171 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 07:16:09,173 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 07:16:09,174 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 07:16:09,174 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 07:16:09,175 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 07:16:09,175 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 07:16:09,177 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 07:16:09,177 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 07:16:09,178 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 07:16:09,178 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 07:16:09,179 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 07:16:09,181 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 07:16:09,181 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 07:16:09,182 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 07:16:09,182 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 07:16:09,182 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 07:16:09,183 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 07:16:09,184 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 07:16:09,187 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 07:16:09,207 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 07:16:09,207 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 07:16:09,208 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 07:16:09,209 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 07:16:09,211 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 07:16:09,211 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 07:16:09,211 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 07:16:09,212 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 07:16:09,212 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 07:16:09,212 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 07:16:09,213 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 07:16:09,213 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 07:16:09,213 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 07:16:09,214 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 07:16:09,214 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 07:16:09,214 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 07:16:09,214 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 07:16:09,214 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 07:16:09,214 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 07:16:09,214 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 07:16:09,215 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 07:16:09,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 07:16:09,215 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 07:16:09,215 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 07:16:09,215 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 07:16:09,216 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 07:16:09,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 07:16:09,216 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 07:16:09,216 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 07:16:09,516 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 07:16:09,535 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 07:16:09,539 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 07:16:09,540 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 07:16:09,541 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 07:16:09,541 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-tiling/nr2.c [2019-11-07 07:16:09,615 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f662f014/85682ca2b2964ec7a704deda3ad6fa15/FLAG4818b609b [2019-11-07 07:16:10,060 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 07:16:10,061 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-tiling/nr2.c [2019-11-07 07:16:10,067 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f662f014/85682ca2b2964ec7a704deda3ad6fa15/FLAG4818b609b [2019-11-07 07:16:10,431 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f662f014/85682ca2b2964ec7a704deda3ad6fa15 [2019-11-07 07:16:10,444 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 07:16:10,445 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 07:16:10,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 07:16:10,447 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 07:16:10,451 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 07:16:10,452 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:16:10" (1/1) ... [2019-11-07 07:16:10,455 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c20349e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:16:10, skipping insertion in model container [2019-11-07 07:16:10,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:16:10" (1/1) ... [2019-11-07 07:16:10,465 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 07:16:10,487 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 07:16:10,702 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:16:10,713 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 07:16:10,734 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:16:10,750 INFO L192 MainTranslator]: Completed translation [2019-11-07 07:16:10,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:16:10 WrapperNode [2019-11-07 07:16:10,751 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 07:16:10,751 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 07:16:10,751 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 07:16:10,751 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 07:16:10,834 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:16:10" (1/1) ... [2019-11-07 07:16:10,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:16:10" (1/1) ... [2019-11-07 07:16:10,842 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:16:10" (1/1) ... [2019-11-07 07:16:10,843 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:16:10" (1/1) ... [2019-11-07 07:16:10,863 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:16:10" (1/1) ... [2019-11-07 07:16:10,871 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:16:10" (1/1) ... [2019-11-07 07:16:10,873 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:16:10" (1/1) ... [2019-11-07 07:16:10,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 07:16:10,875 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 07:16:10,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 07:16:10,876 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 07:16:10,876 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:16:10" (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 07:16:10,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 07:16:10,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 07:16:10,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-11-07 07:16:10,937 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 07:16:10,937 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 07:16:10,937 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-07 07:16:10,937 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-07 07:16:10,937 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 07:16:10,938 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 07:16:10,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 07:16:10,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 07:16:10,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 07:16:10,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 07:16:10,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 07:16:10,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 07:16:11,396 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 07:16:11,397 INFO L284 CfgBuilder]: Removed 3 assume(true) statements. [2019-11-07 07:16:11,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:16:11 BoogieIcfgContainer [2019-11-07 07:16:11,398 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 07:16:11,399 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 07:16:11,399 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 07:16:11,399 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 07:16:11,400 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:16:11" (1/1) ... [2019-11-07 07:16:11,400 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 07:16:11,426 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 07:16:11,426 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 07:16:11,435 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 07:16:11,442 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 07:16:11,444 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 07:16:11,576 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 21 for LOIs [2019-11-07 07:16:11,744 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 94 [2019-11-07 07:16:12,142 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 07:16:12,179 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 07:16:12,193 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 07:16:12,212 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 07:16:12,517 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 07:16:12,528 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 07:16:12,537 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 07:16:12,590 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 07:16:12,939 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 110 for LOIs [2019-11-07 07:16:12,945 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 07:16:12,963 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 07:16:12,964 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 07:16:12,966 INFO L168 Benchmark]: Toolchain (without parser) took 2520.43 ms. Allocated memory was 137.9 MB in the beginning and 233.3 MB in the end (delta: 95.4 MB). Free memory was 101.5 MB in the beginning and 103.5 MB in the end (delta: -2.0 MB). Peak memory consumption was 93.4 MB. Max. memory is 7.1 GB. [2019-11-07 07:16:12,971 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 137.9 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 07:16:12,972 INFO L168 Benchmark]: CACSL2BoogieTranslator took 304.26 ms. Allocated memory is still 137.9 MB. Free memory was 101.2 MB in the beginning and 91.1 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-11-07 07:16:12,974 INFO L168 Benchmark]: Boogie Preprocessor took 123.73 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 91.1 MB in the beginning and 178.9 MB in the end (delta: -87.8 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2019-11-07 07:16:12,975 INFO L168 Benchmark]: RCFGBuilder took 523.05 ms. Allocated memory is still 201.3 MB. Free memory was 178.9 MB in the beginning and 156.6 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2019-11-07 07:16:12,976 INFO L168 Benchmark]: Sifa took 1565.28 ms. Allocated memory was 201.3 MB in the beginning and 233.3 MB in the end (delta: 32.0 MB). Free memory was 156.6 MB in the beginning and 103.5 MB in the end (delta: 53.1 MB). Peak memory consumption was 85.1 MB. Max. memory is 7.1 GB. [2019-11-07 07:16:12,989 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 137.9 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 304.26 ms. Allocated memory is still 137.9 MB. Free memory was 101.2 MB in the beginning and 91.1 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.73 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 91.1 MB in the beginning and 178.9 MB in the end (delta: -87.8 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 523.05 ms. Allocated memory is still 201.3 MB. Free memory was 178.9 MB in the beginning and 156.6 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. * Sifa took 1565.28 ms. Allocated memory was 201.3 MB in the beginning and 233.3 MB in the end (delta: 32.0 MB). Free memory was 156.6 MB in the beginning and 103.5 MB in the end (delta: 53.1 MB). Peak memory consumption was 85.1 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]: 1520, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 2, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 32, TOOLS_POST_TIME[ms]: 681, TOOLS_POST_CALL_APPLICATIONS: 6, TOOLS_POST_CALL_TIME[ms]: 123, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 11, TOOLS_QUANTIFIERELIM_APPLICATIONS: 42, TOOLS_QUANTIFIERELIM_TIME[ms]: 784, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 200, FLUID_QUERY_TIME[ms]: 8, FLUID_QUERIES: 68, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 2, DOMAIN_JOIN_TIME[ms]: 46, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 4, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 518, DOMAIN_ISSUBSETEQ_APPLICATIONS: 11, DOMAIN_ISSUBSETEQ_TIME[ms]: 57, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 2, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1201, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1201, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 11, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 91, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 91, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 11, DAG_COMPRESSION_PROCESSED_NODES: 89, DAG_COMPRESSION_RETAINED_NODES: 47 - 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 112#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...