java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid 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 [2019-09-16 17:45:28,066 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 17:45:28,068 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 17:45:28,079 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 17:45:28,080 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 17:45:28,081 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 17:45:28,082 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 17:45:28,084 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 17:45:28,086 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 17:45:28,087 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 17:45:28,088 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 17:45:28,089 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 17:45:28,089 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 17:45:28,090 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 17:45:28,091 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 17:45:28,092 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 17:45:28,093 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 17:45:28,094 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 17:45:28,096 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 17:45:28,098 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 17:45:28,099 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 17:45:28,101 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 17:45:28,102 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 17:45:28,102 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 17:45:28,105 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 17:45:28,105 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 17:45:28,105 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 17:45:28,106 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 17:45:28,107 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 17:45:28,108 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 17:45:28,108 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 17:45:28,109 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 17:45:28,110 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 17:45:28,110 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 17:45:28,111 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 17:45:28,112 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 17:45:28,112 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 17:45:28,113 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 17:45:28,113 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 17:45:28,114 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 17:45:28,114 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 17:45:28,115 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 [2019-09-16 17:45:28,129 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 17:45:28,130 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 17:45:28,131 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 17:45:28,131 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 17:45:28,131 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 17:45:28,131 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 17:45:28,132 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 17:45:28,132 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 17:45:28,132 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 17:45:28,132 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 17:45:28,132 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 17:45:28,133 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 17:45:28,133 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 17:45:28,133 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 17:45:28,133 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 17:45:28,133 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 17:45:28,134 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 17:45:28,134 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 17:45:28,134 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 17:45:28,134 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 17:45:28,134 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 17:45:28,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:45:28,135 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 17:45:28,135 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 17:45:28,135 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 17:45:28,135 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 17:45:28,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 17:45:28,136 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 17:45:28,136 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> 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 [2019-09-16 17:45:28,166 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 17:45:28,179 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 17:45:28,182 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 17:45:28,183 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 17:45:28,183 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 17:45:28,184 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/id_build.i.v+lhb-reducer.c [2019-09-16 17:45:28,260 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f89521f90/2d77c92c36754bcb8572bc0b737873cb/FLAG6cbabe4ff [2019-09-16 17:45:28,721 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 17:45:28,722 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/id_build.i.v+lhb-reducer.c [2019-09-16 17:45:28,732 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f89521f90/2d77c92c36754bcb8572bc0b737873cb/FLAG6cbabe4ff [2019-09-16 17:45:29,115 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f89521f90/2d77c92c36754bcb8572bc0b737873cb [2019-09-16 17:45:29,123 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 17:45:29,124 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 17:45:29,125 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 17:45:29,125 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 17:45:29,129 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 17:45:29,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:45:29" (1/1) ... [2019-09-16 17:45:29,133 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fd9951b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:45:29, skipping insertion in model container [2019-09-16 17:45:29,133 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:45:29" (1/1) ... [2019-09-16 17:45:29,141 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 17:45:29,162 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 17:45:29,337 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:45:29,341 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 17:45:29,360 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:45:29,372 INFO L192 MainTranslator]: Completed translation [2019-09-16 17:45:29,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:45:29 WrapperNode [2019-09-16 17:45:29,373 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 17:45:29,374 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 17:45:29,374 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 17:45:29,374 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 17:45:29,470 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:45:29" (1/1) ... [2019-09-16 17:45:29,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:45:29" (1/1) ... [2019-09-16 17:45:29,475 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:45:29" (1/1) ... [2019-09-16 17:45:29,475 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:45:29" (1/1) ... [2019-09-16 17:45:29,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:45:29" (1/1) ... [2019-09-16 17:45:29,482 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:45:29" (1/1) ... [2019-09-16 17:45:29,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:45:29" (1/1) ... [2019-09-16 17:45:29,485 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 17:45:29,485 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 17:45:29,485 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 17:45:29,485 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 17:45:29,486 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:45:29" (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 [2019-09-16 17:45:29,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 17:45:29,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 17:45:29,532 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 17:45:29,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 17:45:29,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-16 17:45:29,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-16 17:45:29,533 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 17:45:29,533 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 17:45:29,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 17:45:29,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 17:45:29,757 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 17:45:29,758 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-16 17:45:29,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:45:29 BoogieIcfgContainer [2019-09-16 17:45:29,759 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 17:45:29,759 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-16 17:45:29,759 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-16 17:45:29,760 INFO L275 PluginConnector]: Sifa initialized [2019-09-16 17:45:29,761 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:45:29" (1/1) ... [2019-09-16 17:45:29,761 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 [2019-09-16 17:45:29,784 INFO L162 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-09-16 17:45:29,784 INFO L169 IcfgInterpreter]: Building call graph [2019-09-16 17:45:29,791 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-16 17:45:29,801 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-16 17:45:29,802 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-16 17:45:29,922 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 8 for LOIs [2019-09-16 17:45:30,133 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 33 [2019-09-16 17:45:30,344 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2019-09-16 17:45:30,616 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 37 [2019-09-16 17:45:30,858 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-09-16 17:45:31,215 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 41 [2019-09-16 17:45:31,508 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2019-09-16 17:45:31,779 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-16 17:45:31,779 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-16 17:45:31,782 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 84#false [2019-09-16 17:45:31,782 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)) [2019-09-16 17:45:31,783 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)) [2019-09-16 17:45:31,808 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-16 17:45:31,809 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-16 17:45:31,812 INFO L168 Benchmark]: Toolchain (without parser) took 2686.16 ms. Allocated memory was 138.4 MB in the beginning and 269.0 MB in the end (delta: 130.5 MB). Free memory was 84.8 MB in the beginning and 215.8 MB in the end (delta: -131.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-16 17:45:31,815 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory was 103.1 MB in the beginning and 102.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 17:45:31,816 INFO L168 Benchmark]: CACSL2BoogieTranslator took 248.03 ms. Allocated memory is still 138.4 MB. Free memory was 84.6 MB in the beginning and 74.8 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-09-16 17:45:31,818 INFO L168 Benchmark]: Boogie Preprocessor took 111.19 ms. Allocated memory was 138.4 MB in the beginning and 199.2 MB in the end (delta: 60.8 MB). Free memory was 74.8 MB in the beginning and 176.5 MB in the end (delta: -101.7 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-09-16 17:45:31,819 INFO L168 Benchmark]: RCFGBuilder took 273.88 ms. Allocated memory is still 199.2 MB. Free memory was 176.5 MB in the beginning and 162.8 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. [2019-09-16 17:45:31,827 INFO L168 Benchmark]: Sifa took 2049.43 ms. Allocated memory was 199.2 MB in the beginning and 269.0 MB in the end (delta: 69.7 MB). Free memory was 162.8 MB in the beginning and 215.8 MB in the end (delta: -53.0 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. [2019-09-16 17:45:31,835 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 138.4 MB. Free memory was 103.1 MB in the beginning and 102.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 248.03 ms. Allocated memory is still 138.4 MB. Free memory was 84.6 MB in the beginning and 74.8 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.19 ms. Allocated memory was 138.4 MB in the beginning and 199.2 MB in the end (delta: 60.8 MB). Free memory was 74.8 MB in the beginning and 176.5 MB in the end (delta: -101.7 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 273.88 ms. Allocated memory is still 199.2 MB. Free memory was 176.5 MB in the beginning and 162.8 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. * Sifa took 2049.43 ms. Allocated memory was 199.2 MB in the beginning and 269.0 MB in the end (delta: 69.7 MB). Free memory was 162.8 MB in the beginning and 215.8 MB in the end (delta: -53.0 MB). Peak memory consumption was 16.7 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]: 1999, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 51, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 42, TOOLS_POST_TIME[ms]: 76, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 24, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 1, TOOLS_QUANTIFIERELIM_APPLICATIONS: 45, TOOLS_QUANTIFIERELIM_TIME[ms]: 72, 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]: 1039, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 739, DOMAIN_ISSUBSETEQ_APPLICATIONS: 10, DOMAIN_ISSUBSETEQ_TIME[ms]: 12, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 5, LOOP_SUMMARIZER_APPLICATIONS: 7, LOOP_SUMMARIZER_CACHE_MISSES: 7, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1733, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1731, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 10, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 51, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 51, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 10, DAG_COMPRESSION_TIME[ms]: 26, 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...