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_QUICK -i ../../../trunk/examples/svcomp/loop-invgen/id_build.i.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 08:26:18,110 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 08:26:18,118 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 08:26:18,130 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 08:26:18,130 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 08:26:18,131 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 08:26:18,133 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 08:26:18,134 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 08:26:18,136 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 08:26:18,137 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 08:26:18,138 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 08:26:18,139 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 08:26:18,140 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 08:26:18,141 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 08:26:18,142 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 08:26:18,143 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 08:26:18,144 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 08:26:18,145 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 08:26:18,147 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 08:26:18,149 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 08:26:18,151 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 08:26:18,152 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 08:26:18,153 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 08:26:18,154 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 08:26:18,157 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 08:26:18,157 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 08:26:18,157 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 08:26:18,158 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 08:26:18,159 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 08:26:18,160 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 08:26:18,160 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 08:26:18,161 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 08:26:18,162 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 08:26:18,163 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 08:26:18,164 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 08:26:18,164 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 08:26:18,165 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 08:26:18,165 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 08:26:18,165 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 08:26:18,166 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 08:26:18,167 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 08:26:18,168 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 [2019-09-21 08:26:18,183 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 08:26:18,183 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 08:26:18,185 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 08:26:18,185 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 08:26:18,185 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 08:26:18,185 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 08:26:18,186 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 08:26:18,186 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 08:26:18,186 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 08:26:18,186 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 08:26:18,186 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 08:26:18,187 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 08:26:18,187 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 08:26:18,187 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 08:26:18,187 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 08:26:18,187 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 08:26:18,188 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 08:26:18,188 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 08:26:18,188 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 08:26:18,188 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 08:26:18,188 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 08:26:18,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 08:26:18,189 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 08:26:18,189 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 08:26:18,189 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 08:26:18,189 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 08:26:18,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 08:26:18,190 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 08:26:18,190 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_QUICK [2019-09-21 08:26:18,221 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 08:26:18,234 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 08:26:18,239 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 08:26:18,240 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 08:26:18,240 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 08:26:18,243 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/id_build.i.v+lhb-reducer.c [2019-09-21 08:26:18,320 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63d968d1b/d141af94131e4bfea2d78c4fe9ff446f/FLAG6f5a0872e [2019-09-21 08:26:18,836 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 08:26:18,837 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/id_build.i.v+lhb-reducer.c [2019-09-21 08:26:18,847 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63d968d1b/d141af94131e4bfea2d78c4fe9ff446f/FLAG6f5a0872e [2019-09-21 08:26:19,163 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63d968d1b/d141af94131e4bfea2d78c4fe9ff446f [2019-09-21 08:26:19,174 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 08:26:19,176 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 08:26:19,177 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 08:26:19,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 08:26:19,181 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 08:26:19,182 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:26:19" (1/1) ... [2019-09-21 08:26:19,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35609722 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:26:19, skipping insertion in model container [2019-09-21 08:26:19,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:26:19" (1/1) ... [2019-09-21 08:26:19,194 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 08:26:19,216 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 08:26:19,393 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:26:19,402 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 08:26:19,426 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:26:19,441 INFO L192 MainTranslator]: Completed translation [2019-09-21 08:26:19,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:26:19 WrapperNode [2019-09-21 08:26:19,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 08:26:19,443 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 08:26:19,443 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 08:26:19,443 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 08:26:19,548 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:26:19" (1/1) ... [2019-09-21 08:26:19,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:26:19" (1/1) ... [2019-09-21 08:26:19,555 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:26:19" (1/1) ... [2019-09-21 08:26:19,555 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:26:19" (1/1) ... [2019-09-21 08:26:19,563 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:26:19" (1/1) ... [2019-09-21 08:26:19,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:26:19" (1/1) ... [2019-09-21 08:26:19,568 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:26:19" (1/1) ... [2019-09-21 08:26:19,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 08:26:19,570 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 08:26:19,570 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 08:26:19,570 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 08:26:19,571 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:26:19" (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 [2019-09-21 08:26:19,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 08:26:19,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 08:26:19,628 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 08:26:19,628 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 08:26:19,629 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-21 08:26:19,629 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-21 08:26:19,630 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 08:26:19,630 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 08:26:19,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 08:26:19,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 08:26:19,860 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 08:26:19,860 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-21 08:26:19,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:26:19 BoogieIcfgContainer [2019-09-21 08:26:19,862 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 08:26:19,862 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 08:26:19,863 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 08:26:19,863 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 08:26:19,864 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:26:19" (1/1) ... [2019-09-21 08:26:19,865 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_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 08:26:19,889 INFO L162 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-09-21 08:26:19,889 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 08:26:19,897 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 08:26:19,908 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 08:26:19,910 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 08:26:20,051 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 8 for LOIs [2019-09-21 08:26:20,543 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 08:26:20,543 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 08:26:20,550 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 72#(and (= |old(~__return_100~0)| 0) (<= 0 (+ main_~main__nlen~0 2147483648)) (= 0 main_~main__j~0) (<= main_~main__nlen~0 2147483647) (< main_~main__i~0 main_~main__nlen~0) (= main_~__VERIFIER_assert__cond~0 0) (= |old(~__return_100~0)| ~__return_100~0) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (= 0 main_~main__i~0) (= ~__return_main~0 0) (< main_~main__j~0 8) (= (ite (<= (+ main_~main__i~0 1) main_~main__nlen~0) 1 0) main_~__tmp_1~0)) [2019-09-21 08:26:20,551 INFO L193 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 68#(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)) [2019-09-21 08:26:20,551 INFO L193 IcfgInterpreter]: Reachable states at location mainErr2ASSERT_VIOLATIONERROR_FUNCTION satisfy 64#(and (= main_~__VERIFIER_assert__cond~2 0) (= (ite (<= (+ main_~main__i~0 1) main_~main__nlen~0) 1 0) main_~__tmp_3~0) (or (and (< 0 (+ main_~main__i~0 1)) (= main_~__tmp_2~0 1)) (and (= main_~__tmp_2~0 0) (not (< 0 (+ main_~main__i~0 1))))) (not (= main_~__VERIFIER_assert__cond~1 0)) (= main_~__tmp_2~0 main_~__VERIFIER_assert__cond~1) (< main_~main__j~0 8) (= main_~__tmp_3~0 main_~__VERIFIER_assert__cond~2)) [2019-09-21 08:26:20,580 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 08:26:20,581 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 08:26:20,585 INFO L168 Benchmark]: Toolchain (without parser) took 1407.69 ms. Allocated memory was 133.2 MB in the beginning and 199.2 MB in the end (delta: 66.1 MB). Free memory was 87.9 MB in the beginning and 127.0 MB in the end (delta: -39.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2019-09-21 08:26:20,587 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 133.2 MB. Free memory was 106.1 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 08:26:20,589 INFO L168 Benchmark]: CACSL2BoogieTranslator took 264.89 ms. Allocated memory is still 133.2 MB. Free memory was 87.7 MB in the beginning and 78.0 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-09-21 08:26:20,591 INFO L168 Benchmark]: Boogie Preprocessor took 126.97 ms. Allocated memory was 133.2 MB in the beginning and 199.2 MB in the end (delta: 66.1 MB). Free memory was 78.0 MB in the beginning and 175.3 MB in the end (delta: -97.3 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-09-21 08:26:20,592 INFO L168 Benchmark]: RCFGBuilder took 292.10 ms. Allocated memory is still 199.2 MB. Free memory was 175.3 MB in the beginning and 161.8 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. [2019-09-21 08:26:20,598 INFO L168 Benchmark]: Sifa took 718.36 ms. Allocated memory is still 199.2 MB. Free memory was 161.8 MB in the beginning and 127.0 MB in the end (delta: 34.8 MB). Peak memory consumption was 34.8 MB. Max. memory is 7.1 GB. [2019-09-21 08:26:20,604 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 133.2 MB. Free memory was 106.1 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 264.89 ms. Allocated memory is still 133.2 MB. Free memory was 87.7 MB in the beginning and 78.0 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 126.97 ms. Allocated memory was 133.2 MB in the beginning and 199.2 MB in the end (delta: 66.1 MB). Free memory was 78.0 MB in the beginning and 175.3 MB in the end (delta: -97.3 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 292.10 ms. Allocated memory is still 199.2 MB. Free memory was 175.3 MB in the beginning and 161.8 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. * Sifa took 718.36 ms. Allocated memory is still 199.2 MB. Free memory was 161.8 MB in the beginning and 127.0 MB in the end (delta: 34.8 MB). Peak memory consumption was 34.8 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]: 662, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 44, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 36, TOOLS_POST_TIME[ms]: 79, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 26, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 1, TOOLS_QUANTIFIERELIM_APPLICATIONS: 39, TOOLS_QUANTIFIERELIM_TIME[ms]: 72, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 16, FLUID_QUERY_TIME[ms]: 8, FLUID_QUERIES: 52, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 12, DOMAIN_JOIN_TIME[ms]: 242, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 148, DOMAIN_ISSUBSETEQ_APPLICATIONS: 8, DOMAIN_ISSUBSETEQ_TIME[ms]: 36, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 9, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 437, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 436, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 8, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 62, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 62, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 11, DAG_COMPRESSION_TIME[ms]: 28, 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 68#(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 64#(and (= main_~__VERIFIER_assert__cond~2 0) (= (ite (<= (+ main_~main__i~0 1) main_~main__nlen~0) 1 0) main_~__tmp_3~0) (or (and (< 0 (+ main_~main__i~0 1)) (= main_~__tmp_2~0 1)) (and (= main_~__tmp_2~0 0) (not (< 0 (+ main_~main__i~0 1))))) (not (= main_~__VERIFIER_assert__cond~1 0)) (= 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...