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/loop-invgen/id_build.i.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 21:21:53,209 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 21:21:53,211 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 21:21:53,222 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 21:21:53,223 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 21:21:53,224 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 21:21:53,225 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 21:21:53,227 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 21:21:53,229 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 21:21:53,230 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 21:21:53,231 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 21:21:53,232 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 21:21:53,232 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 21:21:53,233 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 21:21:53,234 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 21:21:53,235 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 21:21:53,236 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 21:21:53,237 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 21:21:53,243 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 21:21:53,246 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 21:21:53,247 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 21:21:53,249 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 21:21:53,250 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 21:21:53,251 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 21:21:53,253 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 21:21:53,253 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 21:21:53,253 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 21:21:53,254 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 21:21:53,255 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 21:21:53,255 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 21:21:53,256 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 21:21:53,256 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 21:21:53,257 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 21:21:53,258 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 21:21:53,259 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 21:21:53,259 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 21:21:53,260 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 21:21:53,260 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 21:21:53,260 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 21:21:53,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 21:21:53,262 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 21:21:53,262 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 21:21:53,277 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 21:21:53,277 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 21:21:53,278 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 21:21:53,279 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 21:21:53,279 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 21:21:53,279 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 21:21:53,279 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 21:21:53,279 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 21:21:53,280 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 21:21:53,280 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 21:21:53,280 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 21:21:53,280 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 21:21:53,280 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 21:21:53,281 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 21:21:53,281 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 21:21:53,281 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 21:21:53,281 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 21:21:53,281 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 21:21:53,281 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 21:21:53,282 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 21:21:53,282 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 21:21:53,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 21:21:53,282 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 21:21:53,282 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 21:21:53,283 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 21:21:53,283 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 21:21:53,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 21:21:53,283 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 21:21:53,283 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 21:21:53,317 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 21:21:53,328 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 21:21:53,331 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 21:21:53,333 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 21:21:53,333 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 21:21:53,334 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/id_build.i.v+lhb-reducer.c [2019-09-20 21:21:53,396 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efa9e3a20/629089820d104ec0917106ffd59a229e/FLAG39dc0a85b [2019-09-20 21:21:53,813 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 21:21:53,814 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/id_build.i.v+lhb-reducer.c [2019-09-20 21:21:53,823 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efa9e3a20/629089820d104ec0917106ffd59a229e/FLAG39dc0a85b [2019-09-20 21:21:54,226 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efa9e3a20/629089820d104ec0917106ffd59a229e [2019-09-20 21:21:54,239 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 21:21:54,240 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 21:21:54,241 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 21:21:54,241 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 21:21:54,244 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 21:21:54,245 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:21:54" (1/1) ... [2019-09-20 21:21:54,248 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52e46397 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:21:54, skipping insertion in model container [2019-09-20 21:21:54,248 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:21:54" (1/1) ... [2019-09-20 21:21:54,256 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 21:21:54,276 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 21:21:54,495 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:21:54,501 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 21:21:54,522 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:21:54,536 INFO L192 MainTranslator]: Completed translation [2019-09-20 21:21:54,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:21:54 WrapperNode [2019-09-20 21:21:54,537 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 21:21:54,538 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 21:21:54,538 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 21:21:54,538 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 21:21:54,637 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:21:54" (1/1) ... [2019-09-20 21:21:54,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:21:54" (1/1) ... [2019-09-20 21:21:54,643 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:21:54" (1/1) ... [2019-09-20 21:21:54,645 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:21:54" (1/1) ... [2019-09-20 21:21:54,651 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:21:54" (1/1) ... [2019-09-20 21:21:54,654 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:21:54" (1/1) ... [2019-09-20 21:21:54,655 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:21:54" (1/1) ... [2019-09-20 21:21:54,656 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 21:21:54,657 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 21:21:54,657 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 21:21:54,657 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 21:21:54,660 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:21:54" (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 21:21:54,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 21:21:54,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 21:21:54,713 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 21:21:54,713 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 21:21:54,713 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 21:21:54,713 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 21:21:54,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 21:21:54,714 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 21:21:54,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 21:21:54,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 21:21:54,915 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 21:21:54,915 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 21:21:54,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:21:54 BoogieIcfgContainer [2019-09-20 21:21:54,917 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 21:21:54,917 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 21:21:54,917 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 21:21:54,918 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 21:21:54,919 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:21:54" (1/1) ... [2019-09-20 21:21:54,919 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 21:21:54,940 INFO L162 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-09-20 21:21:54,941 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 21:21:54,948 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 21:21:54,957 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 21:21:54,958 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 21:21:55,044 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 8 for LOIs [2019-09-20 21:21:55,311 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 33 [2019-09-20 21:21:55,514 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2019-09-20 21:21:55,805 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 37 [2019-09-20 21:21:56,067 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-09-20 21:21:56,434 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 41 [2019-09-20 21:21:56,744 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2019-09-20 21:21:56,974 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 21:21:56,975 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 21:21:56,977 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 84#false [2019-09-20 21:21:56,977 INFO L193 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 80#(and (= main_~__tmp_2~0 (ite (< 0 (+ main_~main__i~0 1)) 1 0)) (= main_~__VERIFIER_assert__cond~1 0) (= main_~__tmp_2~0 main_~__VERIFIER_assert__cond~1)) [2019-09-20 21:21:56,978 INFO L193 IcfgInterpreter]: Reachable states at location mainErr2ASSERT_VIOLATIONERROR_FUNCTION satisfy 76#(and (= main_~__VERIFIER_assert__cond~2 0) (= (ite (<= (+ main_~main__i~0 1) main_~main__nlen~0) 1 0) main_~__tmp_3~0) (and (< 0 (+ main_~main__i~0 1)) (= main_~__tmp_2~0 1)) (= main_~__tmp_2~0 main_~__VERIFIER_assert__cond~1) (< main_~main__j~0 8) (= main_~__tmp_3~0 main_~__VERIFIER_assert__cond~2)) [2019-09-20 21:21:56,993 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 21:21:56,994 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 21:21:56,997 INFO L168 Benchmark]: Toolchain (without parser) took 2755.51 ms. Allocated memory was 141.0 MB in the beginning and 260.6 MB in the end (delta: 119.5 MB). Free memory was 88.9 MB in the beginning and 197.6 MB in the end (delta: -108.7 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. [2019-09-20 21:21:56,998 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 141.0 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 21:21:57,000 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.41 ms. Allocated memory is still 141.0 MB. Free memory was 88.7 MB in the beginning and 78.9 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-09-20 21:21:57,002 INFO L168 Benchmark]: Boogie Preprocessor took 118.35 ms. Allocated memory was 141.0 MB in the beginning and 199.8 MB in the end (delta: 58.7 MB). Free memory was 78.9 MB in the beginning and 177.3 MB in the end (delta: -98.3 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-09-20 21:21:57,004 INFO L168 Benchmark]: RCFGBuilder took 260.06 ms. Allocated memory is still 199.8 MB. Free memory was 177.3 MB in the beginning and 163.7 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2019-09-20 21:21:57,008 INFO L168 Benchmark]: Sifa took 2076.89 ms. Allocated memory was 199.8 MB in the beginning and 260.6 MB in the end (delta: 60.8 MB). Free memory was 163.7 MB in the beginning and 197.6 MB in the end (delta: -33.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. [2019-09-20 21:21:57,013 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 141.0 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 296.41 ms. Allocated memory is still 141.0 MB. Free memory was 88.7 MB in the beginning and 78.9 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.35 ms. Allocated memory was 141.0 MB in the beginning and 199.8 MB in the end (delta: 58.7 MB). Free memory was 78.9 MB in the beginning and 177.3 MB in the end (delta: -98.3 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 260.06 ms. Allocated memory is still 199.8 MB. Free memory was 177.3 MB in the beginning and 163.7 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. * Sifa took 2076.89 ms. Allocated memory was 199.8 MB in the beginning and 260.6 MB in the end (delta: 60.8 MB). Free memory was 163.7 MB in the beginning and 197.6 MB in the end (delta: -33.9 MB). Peak memory consumption was 26.9 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]: 2037, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 51, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 42, TOOLS_POST_TIME[ms]: 107, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 19, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 1, TOOLS_QUANTIFIERELIM_APPLICATIONS: 45, TOOLS_QUANTIFIERELIM_TIME[ms]: 94, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 15, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 61, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 14, DOMAIN_JOIN_TIME[ms]: 1045, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 728, DOMAIN_ISSUBSETEQ_APPLICATIONS: 10, DOMAIN_ISSUBSETEQ_TIME[ms]: 14, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 7, LOOP_SUMMARIZER_APPLICATIONS: 7, LOOP_SUMMARIZER_CACHE_MISSES: 7, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1802, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1801, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 10, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 35, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 36, DAG_COMPRESSION_PROCESSED_NODES: 111, DAG_COMPRESSION_RETAINED_NODES: 47 - PositiveResult [Line: 30]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - UnprovableResult [Line: 43]: 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 80#(and (= main_~__tmp_2~0 (ite (< 0 (+ main_~main__i~0 1)) 1 0)) (= main_~__VERIFIER_assert__cond~1 0) (= main_~__tmp_2~0 main_~__VERIFIER_assert__cond~1)). Possible FailurePath: - UnprovableResult [Line: 59]: 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 76#(and (= main_~__VERIFIER_assert__cond~2 0) (= (ite (<= (+ main_~main__i~0 1) main_~main__nlen~0) 1 0) main_~__tmp_3~0) (and (< 0 (+ main_~main__i~0 1)) (= main_~__tmp_2~0 1)) (= main_~__tmp_2~0 main_~__VERIFIER_assert__cond~1) (< main_~main__j~0 8) (= main_~__tmp_3~0 main_~__VERIFIER_assert__cond~2)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...