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-efa34d5 [2019-09-19 06:58:53,035 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 06:58:53,037 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 06:58:53,049 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 06:58:53,049 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 06:58:53,050 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 06:58:53,051 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 06:58:53,053 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 06:58:53,055 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 06:58:53,056 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 06:58:53,057 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 06:58:53,058 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 06:58:53,058 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 06:58:53,059 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 06:58:53,060 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 06:58:53,061 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 06:58:53,062 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 06:58:53,063 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 06:58:53,065 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 06:58:53,067 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 06:58:53,069 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 06:58:53,070 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 06:58:53,071 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 06:58:53,072 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 06:58:53,074 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 06:58:53,074 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 06:58:53,075 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 06:58:53,076 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 06:58:53,076 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 06:58:53,077 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 06:58:53,077 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 06:58:53,078 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 06:58:53,079 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 06:58:53,080 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 06:58:53,081 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 06:58:53,081 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 06:58:53,082 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 06:58:53,082 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 06:58:53,082 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 06:58:53,083 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 06:58:53,084 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 06:58:53,085 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 [2019-09-19 06:58:53,099 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 06:58:53,099 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 06:58:53,101 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 06:58:53,101 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 06:58:53,101 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 06:58:53,101 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 06:58:53,101 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 06:58:53,102 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 06:58:53,102 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 06:58:53,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 06:58:53,102 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 06:58:53,102 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 06:58:53,103 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 06:58:53,103 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 06:58:53,103 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 06:58:53,103 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 06:58:53,103 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 06:58:53,104 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 06:58:53,104 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 06:58:53,104 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 06:58:53,104 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 06:58:53,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 06:58:53,105 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 06:58:53,105 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 06:58:53,105 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 06:58:53,105 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 06:58:53,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 06:58:53,106 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 06:58:53,106 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 [2019-09-19 06:58:53,137 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 06:58:53,149 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 06:58:53,152 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 06:58:53,154 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 06:58:53,154 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 06:58:53,155 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/id_build.i.v+lhb-reducer.c [2019-09-19 06:58:53,214 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/937ee8f7e/0bb1f35d03f840d380779f26fbbaebcc/FLAG86c31bfcd [2019-09-19 06:58:53,607 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 06:58:53,608 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/id_build.i.v+lhb-reducer.c [2019-09-19 06:58:53,617 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/937ee8f7e/0bb1f35d03f840d380779f26fbbaebcc/FLAG86c31bfcd [2019-09-19 06:58:54,031 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/937ee8f7e/0bb1f35d03f840d380779f26fbbaebcc [2019-09-19 06:58:54,043 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 06:58:54,044 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 06:58:54,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 06:58:54,048 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 06:58:54,051 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 06:58:54,052 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 06:58:54" (1/1) ... [2019-09-19 06:58:54,055 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e441970 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:58:54, skipping insertion in model container [2019-09-19 06:58:54,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 06:58:54" (1/1) ... [2019-09-19 06:58:54,063 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 06:58:54,086 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 06:58:54,281 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 06:58:54,287 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 06:58:54,314 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 06:58:54,326 INFO L192 MainTranslator]: Completed translation [2019-09-19 06:58:54,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:58:54 WrapperNode [2019-09-19 06:58:54,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 06:58:54,327 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 06:58:54,328 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 06:58:54,328 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 06:58:54,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:58:54" (1/1) ... [2019-09-19 06:58:54,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:58:54" (1/1) ... [2019-09-19 06:58:54,431 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:58:54" (1/1) ... [2019-09-19 06:58:54,431 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:58:54" (1/1) ... [2019-09-19 06:58:54,435 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:58:54" (1/1) ... [2019-09-19 06:58:54,438 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:58:54" (1/1) ... [2019-09-19 06:58:54,438 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:58:54" (1/1) ... [2019-09-19 06:58:54,440 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 06:58:54,440 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 06:58:54,441 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 06:58:54,441 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 06:58:54,442 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:58:54" (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 [2019-09-19 06:58:54,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 06:58:54,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 06:58:54,489 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 06:58:54,489 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 06:58:54,489 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-19 06:58:54,489 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-19 06:58:54,489 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 06:58:54,490 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 06:58:54,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 06:58:54,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 06:58:54,705 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 06:58:54,705 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-19 06:58:54,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 06:58:54 BoogieIcfgContainer [2019-09-19 06:58:54,707 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 06:58:54,707 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 06:58:54,707 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 06:58:54,707 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 06:58:54,709 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 06:58:54" (1/1) ... [2019-09-19 06:58:54,709 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 [2019-09-19 06:58:54,732 INFO L162 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-09-19 06:58:54,732 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 06:58:54,743 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 06:58:54,756 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 06:58:54,758 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 06:58:54,876 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 8 for LOIs [2019-09-19 06:58:55,102 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 33 [2019-09-19 06:58:55,310 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2019-09-19 06:58:55,601 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 37 [2019-09-19 06:58:55,855 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-09-19 06:58:56,258 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 41 [2019-09-19 06:58:56,583 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2019-09-19 06:58:56,845 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 06:58:56,845 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 06:58:56,848 INFO L193 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 84#(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)) [2019-09-19 06:58:56,849 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 19#false [2019-09-19 06:58:56,849 INFO L193 IcfgInterpreter]: Reachable states at location mainErr2ASSERT_VIOLATIONERROR_FUNCTION satisfy 80#(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)) [2019-09-19 06:58:56,878 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 06:58:56,882 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 06:58:56,888 INFO L168 Benchmark]: Toolchain (without parser) took 2842.84 ms. Allocated memory was 133.2 MB in the beginning and 265.3 MB in the end (delta: 132.1 MB). Free memory was 88.7 MB in the beginning and 208.6 MB in the end (delta: -119.9 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. [2019-09-19 06:58:56,889 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 107.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-19 06:58:56,894 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.33 ms. Allocated memory is still 133.2 MB. Free memory was 88.3 MB in the beginning and 78.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-09-19 06:58:56,895 INFO L168 Benchmark]: Boogie Preprocessor took 112.75 ms. Allocated memory was 133.2 MB in the beginning and 197.1 MB in the end (delta: 64.0 MB). Free memory was 78.6 MB in the beginning and 173.5 MB in the end (delta: -95.0 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. [2019-09-19 06:58:56,898 INFO L168 Benchmark]: RCFGBuilder took 266.19 ms. Allocated memory is still 197.1 MB. Free memory was 173.5 MB in the beginning and 160.3 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. [2019-09-19 06:58:56,901 INFO L168 Benchmark]: Sifa took 2174.90 ms. Allocated memory was 197.1 MB in the beginning and 265.3 MB in the end (delta: 68.2 MB). Free memory was 160.3 MB in the beginning and 208.6 MB in the end (delta: -48.4 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. [2019-09-19 06:58:56,908 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 107.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 279.33 ms. Allocated memory is still 133.2 MB. Free memory was 88.3 MB in the beginning and 78.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.75 ms. Allocated memory was 133.2 MB in the beginning and 197.1 MB in the end (delta: 64.0 MB). Free memory was 78.6 MB in the beginning and 173.5 MB in the end (delta: -95.0 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 266.19 ms. Allocated memory is still 197.1 MB. Free memory was 173.5 MB in the beginning and 160.3 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. * Sifa took 2174.90 ms. Allocated memory was 197.1 MB in the beginning and 265.3 MB in the end (delta: 68.2 MB). Free memory was 160.3 MB in the beginning and 208.6 MB in the end (delta: -48.4 MB). Peak memory consumption was 19.8 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]: 2117, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 51, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 42, TOOLS_POST_TIME[ms]: 89, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 22, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 1, TOOLS_QUANTIFIERELIM_APPLICATIONS: 45, TOOLS_QUANTIFIERELIM_TIME[ms]: 80, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 13, FLUID_QUERY_TIME[ms]: 9, FLUID_QUERIES: 61, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 14, DOMAIN_JOIN_TIME[ms]: 1110, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 752, DOMAIN_ISSUBSETEQ_APPLICATIONS: 10, DOMAIN_ISSUBSETEQ_TIME[ms]: 17, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 5, LOOP_SUMMARIZER_APPLICATIONS: 7, LOOP_SUMMARIZER_CACHE_MISSES: 7, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1851, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1851, 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]: 38, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 32, DAG_COMPRESSION_PROCESSED_NODES: 111, DAG_COMPRESSION_RETAINED_NODES: 47 - 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 84#(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: - PositiveResult [Line: 30]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - 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 80#(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...