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/ldv-regression/test21-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 06:30:03,413 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 06:30:03,415 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 06:30:03,434 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 06:30:03,434 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 06:30:03,436 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 06:30:03,438 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 06:30:03,442 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 06:30:03,443 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 06:30:03,444 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 06:30:03,445 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 06:30:03,447 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 06:30:03,448 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 06:30:03,449 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 06:30:03,449 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 06:30:03,451 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 06:30:03,451 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 06:30:03,452 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 06:30:03,454 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 06:30:03,456 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 06:30:03,457 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 06:30:03,458 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 06:30:03,459 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 06:30:03,460 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 06:30:03,462 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 06:30:03,462 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 06:30:03,463 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 06:30:03,463 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 06:30:03,464 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 06:30:03,465 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 06:30:03,465 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 06:30:03,466 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 06:30:03,467 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 06:30:03,467 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 06:30:03,468 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 06:30:03,468 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 06:30:03,469 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 06:30:03,469 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 06:30:03,470 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 06:30:03,470 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 06:30:03,471 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 06:30:03,472 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 06:30:03,486 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 06:30:03,486 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 06:30:03,487 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 06:30:03,487 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 06:30:03,487 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 06:30:03,488 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 06:30:03,488 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 06:30:03,488 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 06:30:03,488 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 06:30:03,488 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 06:30:03,489 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 06:30:03,489 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 06:30:03,489 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 06:30:03,489 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 06:30:03,489 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 06:30:03,490 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 06:30:03,490 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 06:30:03,490 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 06:30:03,490 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 06:30:03,490 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 06:30:03,491 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 06:30:03,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 06:30:03,491 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 06:30:03,491 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 06:30:03,491 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 06:30:03,492 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 06:30:03,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 06:30:03,492 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 06:30:03,492 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 06:30:03,775 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 06:30:03,787 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 06:30:03,790 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 06:30:03,792 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 06:30:03,792 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 06:30:03,793 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test21-1.c [2019-10-15 06:30:03,871 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b8e3e732/2622ec3eae564810b26ffb7d1d90ef5a/FLAGc26c14040 [2019-10-15 06:30:04,299 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 06:30:04,301 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test21-1.c [2019-10-15 06:30:04,308 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b8e3e732/2622ec3eae564810b26ffb7d1d90ef5a/FLAGc26c14040 [2019-10-15 06:30:04,708 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b8e3e732/2622ec3eae564810b26ffb7d1d90ef5a [2019-10-15 06:30:04,716 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 06:30:04,718 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 06:30:04,719 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 06:30:04,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 06:30:04,722 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 06:30:04,723 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:30:04" (1/1) ... [2019-10-15 06:30:04,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21b67f22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:30:04, skipping insertion in model container [2019-10-15 06:30:04,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:30:04" (1/1) ... [2019-10-15 06:30:04,734 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 06:30:04,751 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 06:30:04,924 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 06:30:04,936 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 06:30:04,954 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 06:30:04,971 INFO L192 MainTranslator]: Completed translation [2019-10-15 06:30:04,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:30:04 WrapperNode [2019-10-15 06:30:04,972 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 06:30:04,973 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 06:30:04,973 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 06:30:04,973 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 06:30:05,069 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:30:04" (1/1) ... [2019-10-15 06:30:05,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:30:04" (1/1) ... [2019-10-15 06:30:05,075 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:30:04" (1/1) ... [2019-10-15 06:30:05,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:30:04" (1/1) ... [2019-10-15 06:30:05,088 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:30:04" (1/1) ... [2019-10-15 06:30:05,090 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:30:04" (1/1) ... [2019-10-15 06:30:05,092 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:30:04" (1/1) ... [2019-10-15 06:30:05,094 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 06:30:05,095 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 06:30:05,095 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 06:30:05,095 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 06:30:05,096 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:30:04" (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 06:30:05,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 06:30:05,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 06:30:05,148 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-10-15 06:30:05,148 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2019-10-15 06:30:05,148 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-10-15 06:30:05,148 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 06:30:05,148 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 06:30:05,148 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 06:30:05,148 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-15 06:30:05,149 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-10-15 06:30:05,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 06:30:05,149 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2019-10-15 06:30:05,149 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-10-15 06:30:05,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 06:30:05,150 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 06:30:05,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 06:30:05,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 06:30:05,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 06:30:05,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 06:30:05,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 06:30:05,508 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 06:30:05,508 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 06:30:05,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:30:05 BoogieIcfgContainer [2019-10-15 06:30:05,510 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 06:30:05,510 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-15 06:30:05,510 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-15 06:30:05,511 INFO L275 PluginConnector]: Sifa initialized [2019-10-15 06:30:05,512 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:30:05" (1/1) ... [2019-10-15 06:30:05,512 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 06:30:05,537 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-15 06:30:05,537 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 06:30:05,544 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 06:30:05,551 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 06:30:05,552 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 06:30:05,954 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 59 for LOIs [2019-10-15 06:30:06,199 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 39 [2019-10-15 06:30:06,452 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:30:06,468 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:30:06,484 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:30:06,538 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:30:06,567 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:30:06,576 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:30:06,658 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-15 06:30:06,672 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-15 06:30:06,672 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-15 06:30:06,674 INFO L168 Benchmark]: Toolchain (without parser) took 1956.45 ms. Allocated memory was 144.7 MB in the beginning and 234.4 MB in the end (delta: 89.7 MB). Free memory was 101.5 MB in the beginning and 188.8 MB in the end (delta: -87.4 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-10-15 06:30:06,675 INFO L168 Benchmark]: CDTParser took 0.20 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: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-10-15 06:30:06,676 INFO L168 Benchmark]: CACSL2BoogieTranslator took 253.74 ms. Allocated memory is still 144.7 MB. Free memory was 101.3 MB in the beginning and 90.7 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2019-10-15 06:30:06,677 INFO L168 Benchmark]: Boogie Preprocessor took 121.67 ms. Allocated memory was 144.7 MB in the beginning and 201.9 MB in the end (delta: 57.1 MB). Free memory was 90.7 MB in the beginning and 179.4 MB in the end (delta: -88.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-10-15 06:30:06,678 INFO L168 Benchmark]: RCFGBuilder took 415.11 ms. Allocated memory is still 201.9 MB. Free memory was 179.4 MB in the beginning and 159.1 MB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. [2019-10-15 06:30:06,679 INFO L168 Benchmark]: Sifa took 1162.35 ms. Allocated memory was 201.9 MB in the beginning and 234.4 MB in the end (delta: 32.5 MB). Free memory was 159.1 MB in the beginning and 188.8 MB in the end (delta: -29.7 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2019-10-15 06:30:06,683 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 144.7 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 253.74 ms. Allocated memory is still 144.7 MB. Free memory was 101.3 MB in the beginning and 90.7 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 121.67 ms. Allocated memory was 144.7 MB in the beginning and 201.9 MB in the end (delta: 57.1 MB). Free memory was 90.7 MB in the beginning and 179.4 MB in the end (delta: -88.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 415.11 ms. Allocated memory is still 201.9 MB. Free memory was 179.4 MB in the beginning and 159.1 MB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. * Sifa took 1162.35 ms. Allocated memory was 201.9 MB in the beginning and 234.4 MB in the end (delta: 32.5 MB). Free memory was 159.1 MB in the beginning and 188.8 MB in the end (delta: -29.7 MB). Peak memory consumption was 2.8 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]: 1122, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 16, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 10, TOOLS_POST_TIME[ms]: 520, TOOLS_POST_CALL_APPLICATIONS: 6, TOOLS_POST_CALL_TIME[ms]: 312, TOOLS_POST_RETURN_APPLICATIONS: 5, TOOLS_POST_RETURN_TIME[ms]: 14, TOOLS_QUANTIFIERELIM_APPLICATIONS: 21, TOOLS_QUANTIFIERELIM_TIME[ms]: 827, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 267, FLUID_QUERY_TIME[ms]: 11, FLUID_QUERIES: 16, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 5, DOMAIN_JOIN_TIME[ms]: 204, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME[ms]: 0, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 0, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 5, CALL_SUMMARIZER_CACHE_MISSES: 4, CALL_SUMMARIZER_OVERALL_TIME[ms]: 687, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 687, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 14, DAG_COMPRESSION_PROCESSED_NODES: 64, DAG_COMPRESSION_RETAINED_NODES: 33 - UnprovableResult [Line: 42]: 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 77#(and (= |#NULL.base| 0) (<= main_~pd2~0.offset 0) (<= 0 |~#d1~0.offset|) (<= |#NULL.base| 0) (= |~#d1~0.offset| 0) (<= 0 |~#d2~0.offset|) (<= 0 |#NULL.base|) (<= |~#d2~0.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 main_~pd1~0.offset) (= |~#d2~0.offset| 0) (<= |~#d1~0.offset| 0) (<= main_~pd1~0.offset 0) (<= 0 main_~pd2~0.offset) (= |#NULL.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...