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 NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/nla-digbench/sqrt1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 23:17:23,488 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 23:17:23,490 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 23:17:23,502 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 23:17:23,502 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 23:17:23,503 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 23:17:23,505 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 23:17:23,507 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 23:17:23,508 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 23:17:23,509 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 23:17:23,510 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 23:17:23,511 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 23:17:23,512 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 23:17:23,513 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 23:17:23,514 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 23:17:23,515 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 23:17:23,516 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 23:17:23,516 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 23:17:23,518 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 23:17:23,520 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 23:17:23,522 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 23:17:23,523 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 23:17:23,525 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 23:17:23,525 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 23:17:23,528 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 23:17:23,528 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 23:17:23,529 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 23:17:23,530 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 23:17:23,530 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 23:17:23,531 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 23:17:23,531 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 23:17:23,532 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 23:17:23,533 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 23:17:23,534 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 23:17:23,535 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 23:17:23,535 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 23:17:23,536 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 23:17:23,536 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 23:17:23,536 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 23:17:23,538 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 23:17:23,539 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 23:17:23,540 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 23:17:23,569 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 23:17:23,569 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 23:17:23,572 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 23:17:23,572 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 23:17:23,572 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 23:17:23,573 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 23:17:23,573 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 23:17:23,573 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 23:17:23,573 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 23:17:23,573 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 23:17:23,574 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 23:17:23,575 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 23:17:23,575 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 23:17:23,575 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 23:17:23,575 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 23:17:23,576 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 23:17:23,576 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 23:17:23,576 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 23:17:23,576 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 23:17:23,576 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 23:17:23,577 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 23:17:23,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 23:17:23,577 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 23:17:23,578 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 23:17:23,578 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 23:17:23,578 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 23:17:23,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 23:17:23,579 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 23:17:23,579 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 -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 23:17:23,637 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 23:17:23,655 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 23:17:23,661 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 23:17:23,662 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 23:17:23,663 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 23:17:23,663 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/sqrt1.c [2019-09-20 23:17:23,724 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/142e7446f/8023d81deca64dc4a20df5691c1b8510/FLAG724ca807f [2019-09-20 23:17:24,172 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 23:17:24,174 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/sqrt1.c [2019-09-20 23:17:24,182 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/142e7446f/8023d81deca64dc4a20df5691c1b8510/FLAG724ca807f [2019-09-20 23:17:24,564 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/142e7446f/8023d81deca64dc4a20df5691c1b8510 [2019-09-20 23:17:24,573 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 23:17:24,575 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 23:17:24,576 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 23:17:24,576 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 23:17:24,580 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 23:17:24,581 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:17:24" (1/1) ... [2019-09-20 23:17:24,585 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58d75b61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:17:24, skipping insertion in model container [2019-09-20 23:17:24,585 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:17:24" (1/1) ... [2019-09-20 23:17:24,593 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 23:17:24,612 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 23:17:24,816 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:17:24,822 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 23:17:24,849 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:17:24,865 INFO L192 MainTranslator]: Completed translation [2019-09-20 23:17:24,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:17:24 WrapperNode [2019-09-20 23:17:24,867 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 23:17:24,868 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 23:17:24,868 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 23:17:24,868 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 23:17:25,001 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:17:24" (1/1) ... [2019-09-20 23:17:25,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:17:24" (1/1) ... [2019-09-20 23:17:25,008 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:17:24" (1/1) ... [2019-09-20 23:17:25,010 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:17:24" (1/1) ... [2019-09-20 23:17:25,018 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:17:24" (1/1) ... [2019-09-20 23:17:25,024 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:17:24" (1/1) ... [2019-09-20 23:17:25,025 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:17:24" (1/1) ... [2019-09-20 23:17:25,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 23:17:25,029 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 23:17:25,029 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 23:17:25,029 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 23:17:25,030 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:17:24" (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 23:17:25,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 23:17:25,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 23:17:25,097 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 23:17:25,097 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 23:17:25,097 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 23:17:25,098 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 23:17:25,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 23:17:25,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 23:17:25,099 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 23:17:25,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 23:17:25,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 23:17:25,321 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 23:17:25,322 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 23:17:25,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:17:25 BoogieIcfgContainer [2019-09-20 23:17:25,323 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 23:17:25,324 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 23:17:25,324 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 23:17:25,324 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 23:17:25,332 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:17:25" (1/1) ... [2019-09-20 23:17:25,335 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ 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=SIMPLIFY_DDA ♦ Intern Fluid=NeverFluid [2019-09-20 23:17:25,374 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 23:17:25,377 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 23:17:25,393 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 23:17:25,413 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 23:17:25,418 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 23:17:25,496 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-20 23:17:25,924 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 39 [2019-09-20 23:17:27,980 WARN L191 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 39 [2019-09-20 23:17:28,104 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 47 [2019-09-20 23:17:30,946 WARN L191 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2019-09-20 23:17:31,078 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-20 23:17:31,093 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 23:17:31,093 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 23:17:31,095 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 113#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-20 23:17:31,115 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 23:17:31,116 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 23:17:31,119 INFO L168 Benchmark]: Toolchain (without parser) took 6544.03 ms. Allocated memory was 134.7 MB in the beginning and 232.8 MB in the end (delta: 98.0 MB). Free memory was 90.7 MB in the beginning and 154.2 MB in the end (delta: -63.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 7.1 GB. [2019-09-20 23:17:31,120 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 134.7 MB. Free memory was 109.2 MB in the beginning and 109.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 23:17:31,122 INFO L168 Benchmark]: CACSL2BoogieTranslator took 290.96 ms. Allocated memory is still 134.7 MB. Free memory was 90.5 MB in the beginning and 80.9 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-09-20 23:17:31,125 INFO L168 Benchmark]: Boogie Preprocessor took 160.95 ms. Allocated memory was 134.7 MB in the beginning and 205.0 MB in the end (delta: 70.3 MB). Free memory was 80.9 MB in the beginning and 181.6 MB in the end (delta: -100.6 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-09-20 23:17:31,127 INFO L168 Benchmark]: RCFGBuilder took 294.45 ms. Allocated memory is still 205.0 MB. Free memory was 181.6 MB in the beginning and 168.6 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. [2019-09-20 23:17:31,128 INFO L168 Benchmark]: Sifa took 5792.09 ms. Allocated memory was 205.0 MB in the beginning and 232.8 MB in the end (delta: 27.8 MB). Free memory was 168.6 MB in the beginning and 154.2 MB in the end (delta: 14.4 MB). Peak memory consumption was 42.1 MB. Max. memory is 7.1 GB. [2019-09-20 23:17:31,134 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 134.7 MB. Free memory was 109.2 MB in the beginning and 109.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 290.96 ms. Allocated memory is still 134.7 MB. Free memory was 90.5 MB in the beginning and 80.9 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 160.95 ms. Allocated memory was 134.7 MB in the beginning and 205.0 MB in the end (delta: 70.3 MB). Free memory was 80.9 MB in the beginning and 181.6 MB in the end (delta: -100.6 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 294.45 ms. Allocated memory is still 205.0 MB. Free memory was 181.6 MB in the beginning and 168.6 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. * Sifa took 5792.09 ms. Allocated memory was 205.0 MB in the beginning and 232.8 MB in the end (delta: 27.8 MB). Free memory was 168.6 MB in the beginning and 154.2 MB in the end (delta: 14.4 MB). Peak memory consumption was 42.1 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]: 5722, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 53, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 23, TOOLS_POST_TIME[ms]: 38, TOOLS_POST_CALL_APPLICATIONS: 28, TOOLS_POST_CALL_TIME[ms]: 169, TOOLS_POST_RETURN_APPLICATIONS: 21, TOOLS_POST_RETURN_TIME[ms]: 49, TOOLS_QUANTIFIERELIM_APPLICATIONS: 72, TOOLS_QUANTIFIERELIM_TIME[ms]: 213, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 14, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 58, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 14, DOMAIN_JOIN_TIME[ms]: 2609, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 2716, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 9, DOMAIN_ISBOTTOM_APPLICATIONS: 8, DOMAIN_ISBOTTOM_TIME[ms]: 8, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 5478, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5477, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 21, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 64, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 64, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 6, 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 113#(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...