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 SequenceOfStatements --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/loops/string-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 18:23:31,274 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 18:23:31,276 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 18:23:31,288 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 18:23:31,289 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 18:23:31,290 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 18:23:31,291 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 18:23:31,293 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 18:23:31,295 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 18:23:31,296 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 18:23:31,297 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 18:23:31,298 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 18:23:31,298 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 18:23:31,299 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 18:23:31,300 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 18:23:31,301 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 18:23:31,302 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 18:23:31,303 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 18:23:31,305 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 18:23:31,307 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 18:23:31,308 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 18:23:31,309 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 18:23:31,311 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 18:23:31,312 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 18:23:31,314 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 18:23:31,314 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 18:23:31,314 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 18:23:31,315 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 18:23:31,316 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 18:23:31,317 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 18:23:31,317 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 18:23:31,318 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 18:23:31,319 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 18:23:31,319 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 18:23:31,321 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 18:23:31,321 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 18:23:31,322 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 18:23:31,322 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 18:23:31,322 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 18:23:31,323 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 18:23:31,324 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 18:23:31,324 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 18:23:31,346 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 18:23:31,346 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 18:23:31,348 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 18:23:31,348 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 18:23:31,348 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 18:23:31,349 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 18:23:31,349 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 18:23:31,349 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 18:23:31,349 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 18:23:31,349 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 18:23:31,350 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 18:23:31,350 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 18:23:31,351 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 18:23:31,351 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 18:23:31,351 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 18:23:31,351 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 18:23:31,352 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 18:23:31,352 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 18:23:31,352 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 18:23:31,352 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 18:23:31,353 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 18:23:31,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 18:23:31,353 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 18:23:31,354 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 18:23:31,354 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 18:23:31,354 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 18:23:31,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 18:23:31,354 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 18:23:31,355 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 -> SequenceOfStatements 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 -> SIMPLIFY_DDA [2019-09-20 18:23:31,412 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 18:23:31,429 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 18:23:31,433 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 18:23:31,434 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 18:23:31,435 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 18:23:31,435 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/string-1.i [2019-09-20 18:23:31,507 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/538e0b4e2/29b48da07c1f4fecba026b432c6a39a6/FLAG945f6ed20 [2019-09-20 18:23:31,894 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 18:23:31,895 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/string-1.i [2019-09-20 18:23:31,902 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/538e0b4e2/29b48da07c1f4fecba026b432c6a39a6/FLAG945f6ed20 [2019-09-20 18:23:32,285 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/538e0b4e2/29b48da07c1f4fecba026b432c6a39a6 [2019-09-20 18:23:32,298 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 18:23:32,302 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 18:23:32,305 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 18:23:32,305 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 18:23:32,309 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 18:23:32,310 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:23:32" (1/1) ... [2019-09-20 18:23:32,313 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45111532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:23:32, skipping insertion in model container [2019-09-20 18:23:32,314 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:23:32" (1/1) ... [2019-09-20 18:23:32,322 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 18:23:32,344 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 18:23:32,592 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:23:32,598 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 18:23:32,645 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:23:32,756 INFO L192 MainTranslator]: Completed translation [2019-09-20 18:23:32,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:23:32 WrapperNode [2019-09-20 18:23:32,757 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 18:23:32,758 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 18:23:32,758 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 18:23:32,758 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 18:23:32,772 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:23:32" (1/1) ... [2019-09-20 18:23:32,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:23:32" (1/1) ... [2019-09-20 18:23:32,786 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:23:32" (1/1) ... [2019-09-20 18:23:32,786 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:23:32" (1/1) ... [2019-09-20 18:23:32,806 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:23:32" (1/1) ... [2019-09-20 18:23:32,819 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:23:32" (1/1) ... [2019-09-20 18:23:32,825 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:23:32" (1/1) ... [2019-09-20 18:23:32,828 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 18:23:32,829 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 18:23:32,829 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 18:23:32,829 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 18:23:32,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:23:32" (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 18:23:32,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 18:23:32,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 18:23:32,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 18:23:32,891 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 18:23:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 18:23:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 18:23:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 18:23:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-20 18:23:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 18:23:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 18:23:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 18:23:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 18:23:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 18:23:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 18:23:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 18:23:33,255 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 18:23:33,256 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 18:23:33,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:23:33 BoogieIcfgContainer [2019-09-20 18:23:33,258 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 18:23:33,258 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 18:23:33,259 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 18:23:33,259 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 18:23:33,260 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:23:33" (1/1) ... [2019-09-20 18:23:33,261 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=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 18:23:33,282 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 18:23:33,282 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 18:23:33,290 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 18:23:33,298 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 18:23:33,300 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 18:23:33,448 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 17 for LOIs [2019-09-20 18:23:35,714 WARN L191 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 99 [2019-09-20 18:23:36,116 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2019-09-20 18:23:36,979 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2019-09-20 18:23:37,297 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 38 [2019-09-20 18:23:38,142 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2019-09-20 18:23:38,667 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2019-09-20 18:23:38,983 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2019-09-20 18:23:39,523 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2019-09-20 18:23:39,830 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2019-09-20 18:23:40,090 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 63 [2019-09-20 18:23:40,571 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2019-09-20 18:23:41,191 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-20 18:23:43,248 WARN L191 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 43 [2019-09-20 18:23:53,306 WARN L191 SmtUtils]: Spent 10.05 s on a formula simplification that was a NOOP. DAG size: 43 [2019-09-20 18:23:53,571 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2019-09-20 18:23:53,908 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2019-09-20 18:23:53,932 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 3 for LOIs [2019-09-20 18:23:53,939 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 18:23:53,939 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 18:23:53,941 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 408#false [2019-09-20 18:23:53,949 INFO L100 SifaObserver]: ✔ All error locations are guaranteed to be unreachable. [2019-09-20 18:23:53,949 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 18:23:53,951 INFO L168 Benchmark]: Toolchain (without parser) took 21651.14 ms. Allocated memory was 137.9 MB in the beginning and 325.6 MB in the end (delta: 187.7 MB). Free memory was 85.8 MB in the beginning and 72.4 MB in the end (delta: 13.3 MB). Peak memory consumption was 201.0 MB. Max. memory is 7.1 GB. [2019-09-20 18:23:53,957 INFO L168 Benchmark]: CDTParser took 1.00 ms. Allocated memory is still 137.9 MB. Free memory was 104.0 MB in the beginning and 103.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 18:23:53,958 INFO L168 Benchmark]: CACSL2BoogieTranslator took 452.64 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 85.6 MB in the beginning and 175.6 MB in the end (delta: -90.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2019-09-20 18:23:53,959 INFO L168 Benchmark]: Boogie Preprocessor took 70.40 ms. Allocated memory is still 198.2 MB. Free memory was 175.6 MB in the beginning and 173.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-09-20 18:23:53,959 INFO L168 Benchmark]: RCFGBuilder took 429.52 ms. Allocated memory is still 198.2 MB. Free memory was 173.7 MB in the beginning and 155.4 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 7.1 GB. [2019-09-20 18:23:53,960 INFO L168 Benchmark]: Sifa took 20690.78 ms. Allocated memory was 198.2 MB in the beginning and 325.6 MB in the end (delta: 127.4 MB). Free memory was 155.4 MB in the beginning and 72.4 MB in the end (delta: 83.0 MB). Peak memory consumption was 210.4 MB. Max. memory is 7.1 GB. [2019-09-20 18:23:53,963 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.00 ms. Allocated memory is still 137.9 MB. Free memory was 104.0 MB in the beginning and 103.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 452.64 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 85.6 MB in the beginning and 175.6 MB in the end (delta: -90.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 70.40 ms. Allocated memory is still 198.2 MB. Free memory was 175.6 MB in the beginning and 173.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 429.52 ms. Allocated memory is still 198.2 MB. Free memory was 173.7 MB in the beginning and 155.4 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 7.1 GB. * Sifa took 20690.78 ms. Allocated memory was 198.2 MB in the beginning and 325.6 MB in the end (delta: 127.4 MB). Free memory was 155.4 MB in the beginning and 72.4 MB in the end (delta: 83.0 MB). Peak memory consumption was 210.4 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]: 20660, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 199, DAG_INTERPRETER_EARLY_EXITS: 7, TOOLS_POST_APPLICATIONS: 178, TOOLS_POST_TIME[ms]: 1478, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 27, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 2, TOOLS_QUANTIFIERELIM_APPLICATIONS: 176, TOOLS_QUANTIFIERELIM_TIME[ms]: 1444, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 242, FLUID_QUERY_TIME[ms]: 10, FLUID_QUERIES: 237, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 65, DOMAIN_JOIN_TIME[ms]: 14447, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 26, DOMAIN_WIDEN_TIME[ms]: 4468, DOMAIN_ISSUBSETEQ_APPLICATIONS: 38, DOMAIN_ISSUBSETEQ_TIME[ms]: 56, DOMAIN_ISBOTTOM_APPLICATIONS: 32, DOMAIN_ISBOTTOM_TIME[ms]: 30, LOOP_SUMMARIZER_APPLICATIONS: 12, LOOP_SUMMARIZER_CACHE_MISSES: 12, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 7792, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 7791, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 38, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 94, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 94, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 56, DAG_COMPRESSION_PROCESSED_NODES: 973, DAG_COMPRESSION_RETAINED_NODES: 364 - PositiveResult [Line: 6]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold RESULT: Ultimate proved your program to be correct! Received shutdown request...