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-examples/standard_palindrome_ground.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 00:49:28,174 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 00:49:28,177 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 00:49:28,195 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 00:49:28,195 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 00:49:28,197 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 00:49:28,199 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 00:49:28,209 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 00:49:28,214 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 00:49:28,215 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 00:49:28,217 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 00:49:28,219 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 00:49:28,219 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 00:49:28,222 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 00:49:28,225 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 00:49:28,226 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 00:49:28,228 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 00:49:28,229 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 00:49:28,230 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 00:49:28,235 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 00:49:28,239 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 00:49:28,242 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 00:49:28,244 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 00:49:28,245 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 00:49:28,247 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 00:49:28,248 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 00:49:28,248 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 00:49:28,249 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 00:49:28,251 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 00:49:28,251 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 00:49:28,252 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 00:49:28,253 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 00:49:28,254 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 00:49:28,254 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 00:49:28,255 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 00:49:28,255 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 00:49:28,256 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 00:49:28,256 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 00:49:28,256 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 00:49:28,257 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 00:49:28,258 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 00:49:28,259 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 [2019-10-14 00:49:28,275 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 00:49:28,275 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 00:49:28,276 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 00:49:28,277 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 00:49:28,277 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 00:49:28,277 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 00:49:28,277 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 00:49:28,278 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 00:49:28,278 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 00:49:28,278 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 00:49:28,278 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 00:49:28,278 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 00:49:28,278 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 00:49:28,279 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 00:49:28,279 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 00:49:28,279 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 00:49:28,279 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 00:49:28,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 00:49:28,280 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 00:49:28,280 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 00:49:28,280 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 00:49:28,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 00:49:28,280 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 00:49:28,281 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 00:49:28,281 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 00:49:28,281 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 00:49:28,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 00:49:28,281 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 00:49:28,282 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 [2019-10-14 00:49:28,594 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 00:49:28,615 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 00:49:28,619 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 00:49:28,620 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 00:49:28,621 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 00:49:28,622 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/standard_palindrome_ground.i [2019-10-14 00:49:28,701 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/510b67892/7e017278089440f2be95089de168b337/FLAG4baba704e [2019-10-14 00:49:29,196 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 00:49:29,197 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/standard_palindrome_ground.i [2019-10-14 00:49:29,203 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/510b67892/7e017278089440f2be95089de168b337/FLAG4baba704e [2019-10-14 00:49:29,533 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/510b67892/7e017278089440f2be95089de168b337 [2019-10-14 00:49:29,542 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 00:49:29,544 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 00:49:29,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 00:49:29,545 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 00:49:29,548 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 00:49:29,549 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:49:29" (1/1) ... [2019-10-14 00:49:29,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1729396c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:49:29, skipping insertion in model container [2019-10-14 00:49:29,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:49:29" (1/1) ... [2019-10-14 00:49:29,560 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 00:49:29,579 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 00:49:29,742 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:49:29,746 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 00:49:29,765 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:49:29,783 INFO L192 MainTranslator]: Completed translation [2019-10-14 00:49:29,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:49:29 WrapperNode [2019-10-14 00:49:29,783 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 00:49:29,784 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 00:49:29,784 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 00:49:29,784 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 00:49:29,876 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:49:29" (1/1) ... [2019-10-14 00:49:29,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:49:29" (1/1) ... [2019-10-14 00:49:29,888 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:49:29" (1/1) ... [2019-10-14 00:49:29,890 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:49:29" (1/1) ... [2019-10-14 00:49:29,907 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:49:29" (1/1) ... [2019-10-14 00:49:29,912 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:49:29" (1/1) ... [2019-10-14 00:49:29,914 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:49:29" (1/1) ... [2019-10-14 00:49:29,915 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 00:49:29,916 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 00:49:29,916 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 00:49:29,916 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 00:49:29,917 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:49:29" (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 [2019-10-14 00:49:29,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 00:49:29,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 00:49:29,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-14 00:49:29,979 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 00:49:29,979 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 00:49:29,979 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-14 00:49:29,979 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 00:49:29,979 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 00:49:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 00:49:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 00:49:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 00:49:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 00:49:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 00:49:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 00:49:30,303 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 00:49:30,304 INFO L284 CfgBuilder]: Removed 3 assume(true) statements. [2019-10-14 00:49:30,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:49:30 BoogieIcfgContainer [2019-10-14 00:49:30,305 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 00:49:30,306 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-14 00:49:30,306 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-14 00:49:30,306 INFO L275 PluginConnector]: Sifa initialized [2019-10-14 00:49:30,307 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:49:30" (1/1) ... [2019-10-14 00:49:30,308 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 [2019-10-14 00:49:30,333 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-14 00:49:30,334 INFO L169 IcfgInterpreter]: Building call graph [2019-10-14 00:49:30,341 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-14 00:49:30,349 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-14 00:49:30,350 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-14 00:49:30,521 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 21 for LOIs [2019-10-14 00:49:31,151 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-10-14 00:49:31,157 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-14 00:49:31,158 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-14 00:49:31,160 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 128#(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)) [2019-10-14 00:49:31,172 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-14 00:49:31,173 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-14 00:49:31,175 INFO L168 Benchmark]: Toolchain (without parser) took 1631.03 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 102.1 MB in the beginning and 115.6 MB in the end (delta: -13.4 MB). Peak memory consumption was 44.2 MB. Max. memory is 7.1 GB. [2019-10-14 00:49:31,176 INFO L168 Benchmark]: CDTParser took 1.22 ms. Allocated memory is still 145.2 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-14 00:49:31,177 INFO L168 Benchmark]: CACSL2BoogieTranslator took 238.98 ms. Allocated memory is still 145.2 MB. Free memory was 101.9 MB in the beginning and 92.0 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-10-14 00:49:31,178 INFO L168 Benchmark]: Boogie Preprocessor took 131.82 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 92.0 MB in the beginning and 181.1 MB in the end (delta: -89.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-10-14 00:49:31,179 INFO L168 Benchmark]: RCFGBuilder took 389.25 ms. Allocated memory is still 202.9 MB. Free memory was 181.1 MB in the beginning and 162.6 MB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 7.1 GB. [2019-10-14 00:49:31,180 INFO L168 Benchmark]: Sifa took 867.26 ms. Allocated memory is still 202.9 MB. Free memory was 162.6 MB in the beginning and 115.6 MB in the end (delta: 47.0 MB). Peak memory consumption was 47.0 MB. Max. memory is 7.1 GB. [2019-10-14 00:49:31,183 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.22 ms. Allocated memory is still 145.2 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 238.98 ms. Allocated memory is still 145.2 MB. Free memory was 101.9 MB in the beginning and 92.0 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 131.82 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 92.0 MB in the beginning and 181.1 MB in the end (delta: -89.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 389.25 ms. Allocated memory is still 202.9 MB. Free memory was 181.1 MB in the beginning and 162.6 MB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 7.1 GB. * Sifa took 867.26 ms. Allocated memory is still 202.9 MB. Free memory was 162.6 MB in the beginning and 115.6 MB in the end (delta: 47.0 MB). Peak memory consumption was 47.0 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]: 827, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 34, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 25, TOOLS_POST_TIME[ms]: 329, TOOLS_POST_CALL_APPLICATIONS: 6, TOOLS_POST_CALL_TIME[ms]: 58, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 7, TOOLS_QUANTIFIERELIM_APPLICATIONS: 35, TOOLS_QUANTIFIERELIM_TIME[ms]: 367, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 83, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 43, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 13, DOMAIN_JOIN_TIME[ms]: 146, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 162, DOMAIN_ISSUBSETEQ_APPLICATIONS: 9, DOMAIN_ISSUBSETEQ_TIME[ms]: 47, DOMAIN_ISBOTTOM_APPLICATIONS: 1, DOMAIN_ISBOTTOM_TIME[ms]: 1, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 616, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 616, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 9, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 130, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 130, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 2, DAG_COMPRESSION_TIME[ms]: 15, DAG_COMPRESSION_PROCESSED_NODES: 67, DAG_COMPRESSION_RETAINED_NODES: 37 - UnprovableResult [Line: 2]: 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 128#(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...