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 ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK --sifa.max.parallel.explicit.values 4 --sifa.sizelimitfluid.max.disjunctions 16 -i ../../../trunk/examples/svcomp/loop-invgen/sendmail-close-angle.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 17:42:00,485 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 17:42:00,487 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 17:42:00,498 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 17:42:00,499 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 17:42:00,500 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 17:42:00,501 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 17:42:00,503 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 17:42:00,504 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 17:42:00,505 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 17:42:00,506 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 17:42:00,507 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 17:42:00,508 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 17:42:00,508 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 17:42:00,509 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 17:42:00,511 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 17:42:00,511 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 17:42:00,512 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 17:42:00,514 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 17:42:00,516 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 17:42:00,518 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 17:42:00,519 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 17:42:00,520 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 17:42:00,521 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 17:42:00,523 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 17:42:00,523 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 17:42:00,524 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 17:42:00,525 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 17:42:00,525 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 17:42:00,526 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 17:42:00,526 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 17:42:00,527 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 17:42:00,528 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 17:42:00,529 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 17:42:00,530 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 17:42:00,530 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 17:42:00,531 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 17:42:00,531 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 17:42:00,531 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 17:42:00,532 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 17:42:00,533 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 17:42:00,533 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 [2019-09-25 17:42:00,557 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 17:42:00,559 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 17:42:00,561 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 17:42:00,561 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 17:42:00,561 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 17:42:00,562 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 17:42:00,562 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 17:42:00,562 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 17:42:00,563 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 17:42:00,563 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 17:42:00,564 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 17:42:00,564 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 17:42:00,564 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 17:42:00,565 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 17:42:00,565 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 17:42:00,565 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 17:42:00,565 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 17:42:00,566 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 17:42:00,566 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 17:42:00,566 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 17:42:00,566 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 17:42:00,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:42:00,567 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 17:42:00,567 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 17:42:00,567 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 17:42:00,568 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 17:42:00,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 17:42:00,568 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 17:42:00,568 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain 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: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Max. Parallel Explicit Values -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: SizeLimitFluid Max. Disjunctions -> 16 [2019-09-25 17:42:00,602 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 17:42:00,614 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 17:42:00,618 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 17:42:00,619 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 17:42:00,619 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 17:42:00,620 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/sendmail-close-angle.i [2019-09-25 17:42:00,697 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82dd1fcb4/527794adcc6145b7b315850d2a5632c2/FLAGdff65987c [2019-09-25 17:42:01,168 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 17:42:01,171 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/sendmail-close-angle.i [2019-09-25 17:42:01,178 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82dd1fcb4/527794adcc6145b7b315850d2a5632c2/FLAGdff65987c [2019-09-25 17:42:01,512 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82dd1fcb4/527794adcc6145b7b315850d2a5632c2 [2019-09-25 17:42:01,526 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 17:42:01,530 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 17:42:01,531 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 17:42:01,531 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 17:42:01,535 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 17:42:01,536 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:42:01" (1/1) ... [2019-09-25 17:42:01,541 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45941cae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:42:01, skipping insertion in model container [2019-09-25 17:42:01,541 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:42:01" (1/1) ... [2019-09-25 17:42:01,548 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 17:42:01,565 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 17:42:01,768 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:42:01,771 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 17:42:01,788 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:42:01,799 INFO L192 MainTranslator]: Completed translation [2019-09-25 17:42:01,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:42:01 WrapperNode [2019-09-25 17:42:01,800 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 17:42:01,801 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 17:42:01,801 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 17:42:01,801 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 17:42:01,900 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:42:01" (1/1) ... [2019-09-25 17:42:01,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:42:01" (1/1) ... [2019-09-25 17:42:01,905 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:42:01" (1/1) ... [2019-09-25 17:42:01,905 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:42:01" (1/1) ... [2019-09-25 17:42:01,915 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:42:01" (1/1) ... [2019-09-25 17:42:01,920 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:42:01" (1/1) ... [2019-09-25 17:42:01,921 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:42:01" (1/1) ... [2019-09-25 17:42:01,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 17:42:01,923 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 17:42:01,923 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 17:42:01,923 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 17:42:01,924 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:42:01" (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 [2019-09-25 17:42:01,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 17:42:01,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 17:42:01,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-25 17:42:01,982 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 17:42:01,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 17:42:01,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-25 17:42:01,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-25 17:42:01,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 17:42:01,983 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 17:42:01,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 17:42:01,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 17:42:02,239 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 17:42:02,240 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-25 17:42:02,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:42:02 BoogieIcfgContainer [2019-09-25 17:42:02,242 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 17:42:02,242 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 17:42:02,242 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 17:42:02,243 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 17:42:02,244 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:42:02" (1/1) ... [2019-09-25 17:42:02,244 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=4 ♦ 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=16 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 17:42:02,269 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 17:42:02,269 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 17:42:02,278 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 17:42:02,288 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 17:42:02,290 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 17:42:02,395 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-25 17:42:03,782 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-25 17:42:03,787 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 17:42:03,788 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 17:42:03,799 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 160#(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))) [2019-09-25 17:42:03,823 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 17:42:03,824 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 17:42:03,828 INFO L168 Benchmark]: Toolchain (without parser) took 2297.54 ms. Allocated memory was 130.0 MB in the beginning and 216.0 MB in the end (delta: 86.0 MB). Free memory was 85.6 MB in the beginning and 143.5 MB in the end (delta: -58.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. [2019-09-25 17:42:03,829 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 130.0 MB. Free memory is still 103.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-25 17:42:03,831 INFO L168 Benchmark]: CACSL2BoogieTranslator took 269.89 ms. Allocated memory is still 130.0 MB. Free memory was 85.6 MB in the beginning and 75.7 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-09-25 17:42:03,832 INFO L168 Benchmark]: Boogie Preprocessor took 121.68 ms. Allocated memory was 130.0 MB in the beginning and 198.2 MB in the end (delta: 68.2 MB). Free memory was 75.7 MB in the beginning and 173.8 MB in the end (delta: -98.1 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-09-25 17:42:03,834 INFO L168 Benchmark]: RCFGBuilder took 318.88 ms. Allocated memory is still 198.2 MB. Free memory was 173.8 MB in the beginning and 159.4 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. [2019-09-25 17:42:03,835 INFO L168 Benchmark]: Sifa took 1581.59 ms. Allocated memory was 198.2 MB in the beginning and 216.0 MB in the end (delta: 17.8 MB). Free memory was 159.4 MB in the beginning and 143.5 MB in the end (delta: 15.9 MB). Peak memory consumption was 33.7 MB. Max. memory is 7.1 GB. [2019-09-25 17:42:03,849 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 130.0 MB. Free memory is still 103.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 269.89 ms. Allocated memory is still 130.0 MB. Free memory was 85.6 MB in the beginning and 75.7 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 121.68 ms. Allocated memory was 130.0 MB in the beginning and 198.2 MB in the end (delta: 68.2 MB). Free memory was 75.7 MB in the beginning and 173.8 MB in the end (delta: -98.1 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 318.88 ms. Allocated memory is still 198.2 MB. Free memory was 173.8 MB in the beginning and 159.4 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. * Sifa took 1581.59 ms. Allocated memory was 198.2 MB in the beginning and 216.0 MB in the end (delta: 17.8 MB). Free memory was 159.4 MB in the beginning and 143.5 MB in the end (delta: 15.9 MB). Peak memory consumption was 33.7 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]: 1531, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 79, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 43, TOOLS_POST_TIME[ms]: 60, TOOLS_POST_CALL_APPLICATIONS: 34, TOOLS_POST_CALL_TIME[ms]: 845, TOOLS_POST_RETURN_APPLICATIONS: 25, TOOLS_POST_RETURN_TIME[ms]: 68, TOOLS_QUANTIFIERELIM_APPLICATIONS: 102, TOOLS_QUANTIFIERELIM_TIME[ms]: 904, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 171, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 83, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 22, DOMAIN_JOIN_TIME[ms]: 245, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 132, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 8, DOMAIN_ISBOTTOM_APPLICATIONS: 15, DOMAIN_ISBOTTOM_TIME[ms]: 32, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1074, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1072, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 25, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 59, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 58, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 47, DAG_COMPRESSION_PROCESSED_NODES: 192, DAG_COMPRESSION_RETAINED_NODES: 75 - UnprovableResult [Line: 5]: 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 160#(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))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...