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 InterpretCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/nla-digbench/sqrt1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 21:23:23,721 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 21:23:23,723 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 21:23:23,734 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 21:23:23,735 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 21:23:23,736 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 21:23:23,737 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 21:23:23,739 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 21:23:23,740 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 21:23:23,741 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 21:23:23,742 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 21:23:23,744 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 21:23:23,744 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 21:23:23,745 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 21:23:23,746 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 21:23:23,747 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 21:23:23,748 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 21:23:23,749 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 21:23:23,750 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 21:23:23,752 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 21:23:23,754 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 21:23:23,755 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 21:23:23,756 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 21:23:23,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 21:23:23,760 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 21:23:23,764 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 21:23:23,764 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 21:23:23,765 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 21:23:23,766 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 21:23:23,767 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 21:23:23,767 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 21:23:23,768 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 21:23:23,768 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 21:23:23,768 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 21:23:23,769 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 21:23:23,770 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 21:23:23,771 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 [2019-09-20 21:23:23,793 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 21:23:23,794 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 21:23:23,795 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 21:23:23,796 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 21:23:23,796 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 21:23:23,796 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 21:23:23,797 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 21:23:23,797 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 21:23:23,797 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 21:23:23,797 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 21:23:23,798 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 21:23:23,798 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 21:23:23,799 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 21:23:23,799 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 21:23:23,799 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 21:23:23,799 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 21:23:23,800 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 21:23:23,800 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 21:23:23,800 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 21:23:23,800 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 21:23:23,801 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 21:23:23,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 21:23:23,801 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 21:23:23,801 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 21:23:23,802 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 21:23:23,802 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 21:23:23,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 21:23:23,802 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 21:23:23,802 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 -> InterpretCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 21:23:23,834 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 21:23:23,848 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 21:23:23,853 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 21:23:23,855 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 21:23:23,855 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 21:23:23,856 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/sqrt1.c [2019-09-20 21:23:23,927 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a4f6fd2f/64423ef230fa461489e6fcc2fdd3dcfa/FLAG70f4fc0bb [2019-09-20 21:23:24,377 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 21:23:24,379 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/sqrt1.c [2019-09-20 21:23:24,386 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a4f6fd2f/64423ef230fa461489e6fcc2fdd3dcfa/FLAG70f4fc0bb [2019-09-20 21:23:24,726 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a4f6fd2f/64423ef230fa461489e6fcc2fdd3dcfa [2019-09-20 21:23:24,739 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 21:23:24,740 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 21:23:24,741 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 21:23:24,741 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 21:23:24,745 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 21:23:24,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:23:24" (1/1) ... [2019-09-20 21:23:24,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71f84248 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:23:24, skipping insertion in model container [2019-09-20 21:23:24,749 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:23:24" (1/1) ... [2019-09-20 21:23:24,756 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 21:23:24,773 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 21:23:24,940 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:23:24,944 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 21:23:24,961 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:23:24,972 INFO L192 MainTranslator]: Completed translation [2019-09-20 21:23:24,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:23:24 WrapperNode [2019-09-20 21:23:24,972 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 21:23:24,973 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 21:23:24,973 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 21:23:24,973 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 21:23:25,065 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:23:24" (1/1) ... [2019-09-20 21:23:25,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:23:24" (1/1) ... [2019-09-20 21:23:25,071 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:23:24" (1/1) ... [2019-09-20 21:23:25,071 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:23:24" (1/1) ... [2019-09-20 21:23:25,075 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:23:24" (1/1) ... [2019-09-20 21:23:25,080 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:23:24" (1/1) ... [2019-09-20 21:23:25,081 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:23:24" (1/1) ... [2019-09-20 21:23:25,082 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 21:23:25,082 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 21:23:25,082 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 21:23:25,083 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 21:23:25,088 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:23:24" (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 [2019-09-20 21:23:25,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 21:23:25,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 21:23:25,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 21:23:25,137 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 21:23:25,137 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 21:23:25,137 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 21:23:25,137 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 21:23:25,138 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 21:23:25,138 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 21:23:25,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 21:23:25,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 21:23:25,350 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 21:23:25,350 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 21:23:25,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:23:25 BoogieIcfgContainer [2019-09-20 21:23:25,353 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 21:23:25,353 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 21:23:25,354 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 21:23:25,354 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 21:23:25,356 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:23:25" (1/1) ... [2019-09-20 21:23:25,356 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=InterpretCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 21:23:25,385 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 21:23:25,397 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 21:23:25,420 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 21:23:25,433 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 21:23:25,437 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 21:23:25,498 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-20 21:23:26,305 WARN L191 SmtUtils]: Spent 539.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2019-09-20 21:23:26,916 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2019-09-20 21:23:29,045 WARN L191 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 55 DAG size of output: 47 [2019-09-20 21:23:29,506 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 38 [2019-09-20 21:23:29,879 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2019-09-20 21:23:30,262 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-20 21:23:30,273 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 21:23:30,274 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 21:23:30,276 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 284#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-20 21:23:30,288 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 21:23:30,289 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 21:23:30,291 INFO L168 Benchmark]: Toolchain (without parser) took 5550.45 ms. Allocated memory was 133.2 MB in the beginning and 224.9 MB in the end (delta: 91.8 MB). Free memory was 88.9 MB in the beginning and 83.3 MB in the end (delta: 5.5 MB). Peak memory consumption was 97.3 MB. Max. memory is 7.1 GB. [2019-09-20 21:23:30,292 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 133.2 MB. Free memory is still 107.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 21:23:30,292 INFO L168 Benchmark]: CACSL2BoogieTranslator took 231.89 ms. Allocated memory is still 133.2 MB. Free memory was 88.9 MB in the beginning and 79.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-09-20 21:23:30,294 INFO L168 Benchmark]: Boogie Preprocessor took 108.90 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 79.3 MB in the beginning and 175.7 MB in the end (delta: -96.4 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-09-20 21:23:30,295 INFO L168 Benchmark]: RCFGBuilder took 270.48 ms. Allocated memory is still 199.8 MB. Free memory was 175.7 MB in the beginning and 164.3 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-09-20 21:23:30,296 INFO L168 Benchmark]: Sifa took 4935.62 ms. Allocated memory was 199.8 MB in the beginning and 224.9 MB in the end (delta: 25.2 MB). Free memory was 164.3 MB in the beginning and 83.3 MB in the end (delta: 80.9 MB). Peak memory consumption was 106.1 MB. Max. memory is 7.1 GB. [2019-09-20 21:23:30,300 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 133.2 MB. Free memory is still 107.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 231.89 ms. Allocated memory is still 133.2 MB. Free memory was 88.9 MB in the beginning and 79.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.90 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 79.3 MB in the beginning and 175.7 MB in the end (delta: -96.4 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 270.48 ms. Allocated memory is still 199.8 MB. Free memory was 175.7 MB in the beginning and 164.3 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * Sifa took 4935.62 ms. Allocated memory was 199.8 MB in the beginning and 224.9 MB in the end (delta: 25.2 MB). Free memory was 164.3 MB in the beginning and 83.3 MB in the end (delta: 80.9 MB). Peak memory consumption was 106.1 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]: 4891, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 148, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 118, TOOLS_POST_TIME[ms]: 54, TOOLS_POST_CALL_APPLICATIONS: 28, TOOLS_POST_CALL_TIME[ms]: 178, TOOLS_POST_RETURN_APPLICATIONS: 21, TOOLS_POST_RETURN_TIME[ms]: 35, TOOLS_QUANTIFIERELIM_APPLICATIONS: 167, TOOLS_QUANTIFIERELIM_TIME[ms]: 216, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 17, FLUID_QUERY_TIME[ms]: 10, FLUID_QUERIES: 153, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 52, DOMAIN_JOIN_TIME[ms]: 1364, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 3047, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 16, DOMAIN_ISBOTTOM_APPLICATIONS: 27, DOMAIN_ISBOTTOM_TIME[ms]: 48, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 4501, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4500, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 643, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 9, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 25, DAG_COMPRESSION_PROCESSED_NODES: 95, DAG_COMPRESSION_RETAINED_NODES: 47 - UnprovableResult [Line: 9]: 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 284#(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...