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 ReUseSupersetCallSummarizer --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 20:19:01,987 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 20:19:01,990 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 20:19:02,007 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 20:19:02,007 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 20:19:02,009 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 20:19:02,011 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 20:19:02,024 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 20:19:02,025 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 20:19:02,026 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 20:19:02,028 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 20:19:02,030 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 20:19:02,030 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 20:19:02,031 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 20:19:02,034 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 20:19:02,037 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 20:19:02,038 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 20:19:02,041 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 20:19:02,044 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 20:19:02,046 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 20:19:02,049 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 20:19:02,052 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 20:19:02,053 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 20:19:02,054 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 20:19:02,058 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 20:19:02,058 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 20:19:02,058 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 20:19:02,061 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 20:19:02,062 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 20:19:02,065 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 20:19:02,065 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 20:19:02,067 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 20:19:02,067 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 20:19:02,068 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 20:19:02,070 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 20:19:02,070 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 20:19:02,071 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 20:19:02,071 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 20:19:02,072 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 20:19:02,072 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 20:19:02,075 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 20:19:02,076 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 20:19:02,097 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 20:19:02,097 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 20:19:02,099 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 20:19:02,100 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 20:19:02,100 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 20:19:02,100 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 20:19:02,100 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 20:19:02,100 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 20:19:02,101 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 20:19:02,101 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 20:19:02,102 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 20:19:02,102 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 20:19:02,102 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 20:19:02,103 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 20:19:02,103 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 20:19:02,103 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 20:19:02,103 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 20:19:02,104 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 20:19:02,104 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 20:19:02,104 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 20:19:02,104 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 20:19:02,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 20:19:02,104 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 20:19:02,105 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 20:19:02,105 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 20:19:02,105 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 20:19:02,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 20:19:02,106 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 20:19:02,106 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 -> ReUseSupersetCallSummarizer 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 20:19:02,148 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 20:19:02,160 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 20:19:02,163 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 20:19:02,164 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 20:19:02,165 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 20:19:02,165 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/id_build.i.v+lhb-reducer.c [2019-09-20 20:19:02,224 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc8d6fc24/4e88bd2ef5fb4b239a1365b1d57883ea/FLAGa69edb767 [2019-09-20 20:19:02,656 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 20:19:02,657 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/id_build.i.v+lhb-reducer.c [2019-09-20 20:19:02,664 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc8d6fc24/4e88bd2ef5fb4b239a1365b1d57883ea/FLAGa69edb767 [2019-09-20 20:19:03,048 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc8d6fc24/4e88bd2ef5fb4b239a1365b1d57883ea [2019-09-20 20:19:03,056 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 20:19:03,058 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 20:19:03,059 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 20:19:03,059 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 20:19:03,062 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 20:19:03,063 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:19:03" (1/1) ... [2019-09-20 20:19:03,066 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74d48262 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:03, skipping insertion in model container [2019-09-20 20:19:03,066 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:19:03" (1/1) ... [2019-09-20 20:19:03,075 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 20:19:03,093 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 20:19:03,283 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 20:19:03,288 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 20:19:03,307 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 20:19:03,322 INFO L192 MainTranslator]: Completed translation [2019-09-20 20:19:03,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:03 WrapperNode [2019-09-20 20:19:03,323 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 20:19:03,323 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 20:19:03,324 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 20:19:03,324 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 20:19:03,413 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:03" (1/1) ... [2019-09-20 20:19:03,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:03" (1/1) ... [2019-09-20 20:19:03,418 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:03" (1/1) ... [2019-09-20 20:19:03,418 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:03" (1/1) ... [2019-09-20 20:19:03,422 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:03" (1/1) ... [2019-09-20 20:19:03,425 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:03" (1/1) ... [2019-09-20 20:19:03,426 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:03" (1/1) ... [2019-09-20 20:19:03,427 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 20:19:03,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 20:19:03,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 20:19:03,428 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 20:19:03,429 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:03" (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 20:19:03,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 20:19:03,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 20:19:03,484 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 20:19:03,484 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 20:19:03,484 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 20:19:03,484 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 20:19:03,484 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 20:19:03,484 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 20:19:03,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 20:19:03,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 20:19:03,699 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 20:19:03,700 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 20:19:03,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:19:03 BoogieIcfgContainer [2019-09-20 20:19:03,702 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 20:19:03,702 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 20:19:03,703 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 20:19:03,703 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 20:19:03,705 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:19:03" (1/1) ... [2019-09-20 20:19:03,705 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=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 20:19:03,742 INFO L162 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-09-20 20:19:03,742 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 20:19:03,768 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 20:19:03,779 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 20:19:03,781 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 20:19:03,871 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 8 for LOIs [2019-09-20 20:19:04,089 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 33 [2019-09-20 20:19:04,289 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2019-09-20 20:19:04,587 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 37 [2019-09-20 20:19:04,822 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-09-20 20:19:05,188 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 41 [2019-09-20 20:19:05,586 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2019-09-20 20:19:05,813 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 20:19:05,813 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 20:19:05,815 INFO L193 IcfgInterpreter]: Reachable states at location mainErr2ASSERT_VIOLATIONERROR_FUNCTION satisfy 84#(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 20:19:05,816 INFO L193 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 74#(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 20:19:05,816 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 19#false [2019-09-20 20:19:05,830 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 20:19:05,830 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 20:19:05,832 INFO L168 Benchmark]: Toolchain (without parser) took 2774.34 ms. Allocated memory was 135.3 MB in the beginning and 256.4 MB in the end (delta: 121.1 MB). Free memory was 89.6 MB in the beginning and 188.5 MB in the end (delta: -98.9 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2019-09-20 20:19:05,833 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 135.3 MB. Free memory is still 108.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 20:19:05,834 INFO L168 Benchmark]: CACSL2BoogieTranslator took 264.67 ms. Allocated memory is still 135.3 MB. Free memory was 89.2 MB in the beginning and 79.7 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-09-20 20:19:05,835 INFO L168 Benchmark]: Boogie Preprocessor took 103.96 ms. Allocated memory was 135.3 MB in the beginning and 201.3 MB in the end (delta: 66.1 MB). Free memory was 79.7 MB in the beginning and 177.4 MB in the end (delta: -97.7 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-09-20 20:19:05,835 INFO L168 Benchmark]: RCFGBuilder took 274.23 ms. Allocated memory is still 201.3 MB. Free memory was 177.4 MB in the beginning and 164.3 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. [2019-09-20 20:19:05,836 INFO L168 Benchmark]: Sifa took 2127.85 ms. Allocated memory was 201.3 MB in the beginning and 256.4 MB in the end (delta: 55.1 MB). Free memory was 164.3 MB in the beginning and 188.5 MB in the end (delta: -24.2 MB). Peak memory consumption was 30.9 MB. Max. memory is 7.1 GB. [2019-09-20 20:19:05,840 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 135.3 MB. Free memory is still 108.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 264.67 ms. Allocated memory is still 135.3 MB. Free memory was 89.2 MB in the beginning and 79.7 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.96 ms. Allocated memory was 135.3 MB in the beginning and 201.3 MB in the end (delta: 66.1 MB). Free memory was 79.7 MB in the beginning and 177.4 MB in the end (delta: -97.7 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 274.23 ms. Allocated memory is still 201.3 MB. Free memory was 177.4 MB in the beginning and 164.3 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. * Sifa took 2127.85 ms. Allocated memory was 201.3 MB in the beginning and 256.4 MB in the end (delta: 55.1 MB). Free memory was 164.3 MB in the beginning and 188.5 MB in the end (delta: -24.2 MB). Peak memory consumption was 30.9 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]: 2074, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 51, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 42, TOOLS_POST_TIME[ms]: 108, 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]: 90, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 14, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 61, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 14, DOMAIN_JOIN_TIME[ms]: 1006, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 814, DOMAIN_ISSUBSETEQ_APPLICATIONS: 10, DOMAIN_ISSUBSETEQ_TIME[ms]: 9, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 3, LOOP_SUMMARIZER_APPLICATIONS: 7, LOOP_SUMMARIZER_CACHE_MISSES: 7, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1845, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1844, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 10, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 31, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 20, DAG_COMPRESSION_PROCESSED_NODES: 111, DAG_COMPRESSION_RETAINED_NODES: 47 - 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 84#(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: - 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 74#(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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...