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.intern.fluid SizeLimitFluid --sifa.simplification.technique NONE -i ../../../trunk/examples/svcomp/nla-digbench/sqrt1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 02:06:29,370 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 02:06:29,372 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 02:06:29,388 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 02:06:29,389 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 02:06:29,390 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 02:06:29,393 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 02:06:29,402 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 02:06:29,407 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 02:06:29,410 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 02:06:29,412 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 02:06:29,413 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 02:06:29,414 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 02:06:29,416 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 02:06:29,418 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 02:06:29,419 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 02:06:29,420 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 02:06:29,423 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 02:06:29,425 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 02:06:29,429 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 02:06:29,431 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 02:06:29,432 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 02:06:29,433 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 02:06:29,435 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 02:06:29,437 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 02:06:29,437 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 02:06:29,437 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 02:06:29,439 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 02:06:29,440 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 02:06:29,443 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 02:06:29,443 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 02:06:29,444 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 02:06:29,445 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 02:06:29,445 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 02:06:29,448 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 02:06:29,448 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 02:06:29,449 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 02:06:29,449 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 02:06:29,449 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 02:06:29,450 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 02:06:29,452 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 02:06:29,453 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 [2019-09-17 02:06:29,471 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 02:06:29,471 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 02:06:29,477 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 02:06:29,477 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 02:06:29,477 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 02:06:29,478 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 02:06:29,478 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 02:06:29,479 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 02:06:29,479 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 02:06:29,479 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 02:06:29,479 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 02:06:29,480 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 02:06:29,480 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 02:06:29,480 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 02:06:29,480 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 02:06:29,480 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 02:06:29,480 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 02:06:29,481 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 02:06:29,481 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 02:06:29,482 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 02:06:29,483 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 02:06:29,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 02:06:29,483 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 02:06:29,483 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 02:06:29,483 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 02:06:29,484 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 02:06:29,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 02:06:29,484 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 02:06:29,484 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> NONE [2019-09-17 02:06:29,533 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 02:06:29,545 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 02:06:29,549 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 02:06:29,551 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 02:06:29,551 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 02:06:29,552 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/sqrt1.c [2019-09-17 02:06:29,615 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c4f0b07f/458a62f58c1244a0b6ecf3ce91bbe4a0/FLAGd996bdbab [2019-09-17 02:06:30,081 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 02:06:30,082 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/sqrt1.c [2019-09-17 02:06:30,089 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c4f0b07f/458a62f58c1244a0b6ecf3ce91bbe4a0/FLAGd996bdbab [2019-09-17 02:06:30,469 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c4f0b07f/458a62f58c1244a0b6ecf3ce91bbe4a0 [2019-09-17 02:06:30,480 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 02:06:30,482 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 02:06:30,483 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 02:06:30,483 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 02:06:30,486 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 02:06:30,487 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 02:06:30" (1/1) ... [2019-09-17 02:06:30,489 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1307dca3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:06:30, skipping insertion in model container [2019-09-17 02:06:30,490 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 02:06:30" (1/1) ... [2019-09-17 02:06:30,496 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 02:06:30,513 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 02:06:30,719 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 02:06:30,722 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 02:06:30,740 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 02:06:30,753 INFO L192 MainTranslator]: Completed translation [2019-09-17 02:06:30,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:06:30 WrapperNode [2019-09-17 02:06:30,754 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 02:06:30,755 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 02:06:30,755 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 02:06:30,755 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 02:06:30,856 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:06:30" (1/1) ... [2019-09-17 02:06:30,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:06:30" (1/1) ... [2019-09-17 02:06:30,863 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:06:30" (1/1) ... [2019-09-17 02:06:30,865 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:06:30" (1/1) ... [2019-09-17 02:06:30,874 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:06:30" (1/1) ... [2019-09-17 02:06:30,882 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:06:30" (1/1) ... [2019-09-17 02:06:30,883 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:06:30" (1/1) ... [2019-09-17 02:06:30,887 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 02:06:30,888 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 02:06:30,888 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 02:06:30,888 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 02:06:30,889 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:06:30" (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 [2019-09-17 02:06:30,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 02:06:30,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 02:06:30,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-17 02:06:30,941 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 02:06:30,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 02:06:30,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 02:06:30,942 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-17 02:06:30,942 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-17 02:06:30,942 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 02:06:30,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 02:06:30,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 02:06:31,123 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 02:06:31,123 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-17 02:06:31,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 02:06:31 BoogieIcfgContainer [2019-09-17 02:06:31,125 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 02:06:31,125 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 02:06:31,125 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 02:06:31,126 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 02:06:31,127 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 02:06:31" (1/1) ... [2019-09-17 02:06:31,128 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-17 02:06:31,152 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 02:06:31,152 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 02:06:31,160 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 02:06:31,169 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 02:06:31,170 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 02:06:31,215 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-17 02:06:31,561 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-17 02:06:31,562 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 02:06:31,562 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 02:06:31,564 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 89#(and (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0)) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-17 02:06:31,578 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 02:06:31,579 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 02:06:31,582 INFO L168 Benchmark]: Toolchain (without parser) took 1098.82 ms. Allocated memory was 132.1 MB in the beginning and 199.8 MB in the end (delta: 67.6 MB). Free memory was 88.0 MB in the beginning and 143.8 MB in the end (delta: -55.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. [2019-09-17 02:06:31,583 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 106.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 02:06:31,584 INFO L168 Benchmark]: CACSL2BoogieTranslator took 271.73 ms. Allocated memory is still 132.1 MB. Free memory was 87.8 MB in the beginning and 78.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-09-17 02:06:31,586 INFO L168 Benchmark]: Boogie Preprocessor took 132.50 ms. Allocated memory was 132.1 MB in the beginning and 199.8 MB in the end (delta: 67.6 MB). Free memory was 78.3 MB in the beginning and 176.1 MB in the end (delta: -97.8 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-09-17 02:06:31,587 INFO L168 Benchmark]: RCFGBuilder took 237.31 ms. Allocated memory is still 199.8 MB. Free memory was 176.1 MB in the beginning and 163.2 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. [2019-09-17 02:06:31,588 INFO L168 Benchmark]: Sifa took 453.60 ms. Allocated memory is still 199.8 MB. Free memory was 163.2 MB in the beginning and 143.8 MB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 7.1 GB. [2019-09-17 02:06:31,592 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 106.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 271.73 ms. Allocated memory is still 132.1 MB. Free memory was 87.8 MB in the beginning and 78.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 132.50 ms. Allocated memory was 132.1 MB in the beginning and 199.8 MB in the end (delta: 67.6 MB). Free memory was 78.3 MB in the beginning and 176.1 MB in the end (delta: -97.8 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 237.31 ms. Allocated memory is still 199.8 MB. Free memory was 176.1 MB in the beginning and 163.2 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. * Sifa took 453.60 ms. Allocated memory is still 199.8 MB. Free memory was 163.2 MB in the beginning and 143.8 MB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 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]: 413, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 43, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 19, TOOLS_POST_TIME[ms]: 47, TOOLS_POST_CALL_APPLICATIONS: 22, TOOLS_POST_CALL_TIME[ms]: 179, TOOLS_POST_RETURN_APPLICATIONS: 15, TOOLS_POST_RETURN_TIME[ms]: 47, TOOLS_QUANTIFIERELIM_APPLICATIONS: 56, TOOLS_QUANTIFIERELIM_TIME[ms]: 232, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 20, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 46, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 12, DOMAIN_JOIN_TIME[ms]: 4, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 4, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 15, DOMAIN_ISBOTTOM_APPLICATIONS: 8, DOMAIN_ISBOTTOM_TIME[ms]: 36, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 169, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 169, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 15, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 13, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 18, 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 89#(and (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0)) (= 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...