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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/loop-lit/jm2006.c.i.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-04 09:27:52,256 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-04 09:27:52,258 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-04 09:27:52,271 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-04 09:27:52,271 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-04 09:27:52,272 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-04 09:27:52,274 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-04 09:27:52,276 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-04 09:27:52,277 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-04 09:27:52,278 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-04 09:27:52,279 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-04 09:27:52,280 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-04 09:27:52,281 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-04 09:27:52,282 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-04 09:27:52,283 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-04 09:27:52,284 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-04 09:27:52,284 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-04 09:27:52,285 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-04 09:27:52,287 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-04 09:27:52,289 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-04 09:27:52,290 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-04 09:27:52,291 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-04 09:27:52,292 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-04 09:27:52,293 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-04 09:27:52,295 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-04 09:27:52,296 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-04 09:27:52,296 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-04 09:27:52,297 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-04 09:27:52,297 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-04 09:27:52,298 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-04 09:27:52,298 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-04 09:27:52,299 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-04 09:27:52,300 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-04 09:27:52,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-04 09:27:52,301 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-04 09:27:52,302 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-04 09:27:52,302 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-04 09:27:52,303 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-04 09:27:52,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-04 09:27:52,304 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-04 09:27:52,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-04 09:27:52,305 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 [2019-10-04 09:27:52,320 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-04 09:27:52,320 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-04 09:27:52,321 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-04 09:27:52,322 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-04 09:27:52,322 INFO L138 SettingsManager]: * Use SBE=true [2019-10-04 09:27:52,322 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-04 09:27:52,322 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-04 09:27:52,322 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-04 09:27:52,323 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-04 09:27:52,323 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-04 09:27:52,323 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-04 09:27:52,323 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-04 09:27:52,323 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-04 09:27:52,324 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-04 09:27:52,324 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-04 09:27:52,324 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-04 09:27:52,324 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-04 09:27:52,324 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-04 09:27:52,325 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-04 09:27:52,325 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-04 09:27:52,325 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-04 09:27:52,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-04 09:27:52,326 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-04 09:27:52,326 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-04 09:27:52,326 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-04 09:27:52,326 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-04 09:27:52,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-04 09:27:52,326 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-04 09:27:52,327 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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: Simplification Technique -> SIMPLIFY_QUICK [2019-10-04 09:27:52,357 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-04 09:27:52,377 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-04 09:27:52,385 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-04 09:27:52,387 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-04 09:27:52,388 INFO L275 PluginConnector]: CDTParser initialized [2019-10-04 09:27:52,391 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/jm2006.c.i.v+cfa-reducer.c [2019-10-04 09:27:52,473 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/192fd5985/79a1dc747ce644a49ce88ce721b6ba14/FLAGea1fbbbdb [2019-10-04 09:27:52,897 INFO L306 CDTParser]: Found 1 translation units. [2019-10-04 09:27:52,898 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/jm2006.c.i.v+cfa-reducer.c [2019-10-04 09:27:52,905 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/192fd5985/79a1dc747ce644a49ce88ce721b6ba14/FLAGea1fbbbdb [2019-10-04 09:27:53,262 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/192fd5985/79a1dc747ce644a49ce88ce721b6ba14 [2019-10-04 09:27:53,275 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-04 09:27:53,276 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-04 09:27:53,277 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-04 09:27:53,278 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-04 09:27:53,281 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-04 09:27:53,282 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 09:27:53" (1/1) ... [2019-10-04 09:27:53,285 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@649235d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:53, skipping insertion in model container [2019-10-04 09:27:53,285 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 09:27:53" (1/1) ... [2019-10-04 09:27:53,293 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-04 09:27:53,315 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-04 09:27:53,503 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 09:27:53,510 INFO L188 MainTranslator]: Completed pre-run [2019-10-04 09:27:53,529 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 09:27:53,542 INFO L192 MainTranslator]: Completed translation [2019-10-04 09:27:53,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:53 WrapperNode [2019-10-04 09:27:53,543 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-04 09:27:53,544 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-04 09:27:53,544 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-04 09:27:53,544 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-04 09:27:53,640 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:53" (1/1) ... [2019-10-04 09:27:53,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:53" (1/1) ... [2019-10-04 09:27:53,652 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:53" (1/1) ... [2019-10-04 09:27:53,652 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:53" (1/1) ... [2019-10-04 09:27:53,657 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:53" (1/1) ... [2019-10-04 09:27:53,660 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:53" (1/1) ... [2019-10-04 09:27:53,661 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:53" (1/1) ... [2019-10-04 09:27:53,668 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-04 09:27:53,671 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-04 09:27:53,671 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-04 09:27:53,671 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-04 09:27:53,673 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:53" (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 [2019-10-04 09:27:53,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-04 09:27:53,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-04 09:27:53,730 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-04 09:27:53,730 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-04 09:27:53,731 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-04 09:27:53,731 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-04 09:27:53,731 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-04 09:27:53,731 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-04 09:27:53,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-04 09:27:53,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-04 09:27:53,918 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-04 09:27:53,918 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-04 09:27:53,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 09:27:53 BoogieIcfgContainer [2019-10-04 09:27:53,920 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-04 09:27:53,921 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-04 09:27:53,921 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-04 09:27:53,921 INFO L275 PluginConnector]: Sifa initialized [2019-10-04 09:27:53,923 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 09:27:53" (1/1) ... [2019-10-04 09:27:53,923 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-10-04 09:27:53,990 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-04 09:27:53,990 INFO L169 IcfgInterpreter]: Building call graph [2019-10-04 09:27:53,997 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-04 09:27:54,008 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-04 09:27:54,009 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-04 09:27:54,155 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 10 for LOIs [2019-10-04 09:27:54,651 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-04 09:27:54,651 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-04 09:27:54,656 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 49#(and (<= 0 main_~main__x~0) (<= 0 main_~main__i~0) (<= main_~main__j~0 2147483647) (<= 0 ~__return_main~0) (<= ~__return_main~0 0) (<= 0 |old(~__return_72~0)|) (<= main_~main__x~0 2147483647) (<= 0 main_~__VERIFIER_assert__cond~0) (= (ite (= 0 main_~main__y~0) 1 0) main_~__tmp_1~0) (<= 0 ~__return_72~0) (<= main_~__tmp_1~0 0) (= |old(~__return_72~0)| 0) (<= 0 main_~__tmp_1~0) (<= 0 main_~main__j~0) (= main_~main__j~0 main_~main__i~0) (<= main_~__VERIFIER_assert__cond~0 0) (= main_~__VERIFIER_assert__cond~0 0) (= 0 main_~main__x~0) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (<= ~__return_72~0 0) (<= main_~main__i~0 2147483647) (<= |old(~__return_72~0)| 0) (= ~__return_main~0 0) (<= main_~main__x~0 0) (<= main_~main__y~0 2147483647)) [2019-10-04 09:27:54,678 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-04 09:27:54,678 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-04 09:27:54,681 INFO L168 Benchmark]: Toolchain (without parser) took 1404.03 ms. Allocated memory was 131.6 MB in the beginning and 196.6 MB in the end (delta: 65.0 MB). Free memory was 87.8 MB in the beginning and 114.9 MB in the end (delta: -27.1 MB). Peak memory consumption was 37.9 MB. Max. memory is 7.1 GB. [2019-10-04 09:27:54,682 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 131.6 MB. Free memory was 105.9 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-04 09:27:54,683 INFO L168 Benchmark]: CACSL2BoogieTranslator took 266.33 ms. Allocated memory is still 131.6 MB. Free memory was 87.6 MB in the beginning and 78.0 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-10-04 09:27:54,684 INFO L168 Benchmark]: Boogie Preprocessor took 126.06 ms. Allocated memory was 131.6 MB in the beginning and 196.6 MB in the end (delta: 65.0 MB). Free memory was 78.0 MB in the beginning and 173.0 MB in the end (delta: -95.0 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-10-04 09:27:54,685 INFO L168 Benchmark]: RCFGBuilder took 249.80 ms. Allocated memory is still 196.6 MB. Free memory was 173.0 MB in the beginning and 160.6 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. [2019-10-04 09:27:54,686 INFO L168 Benchmark]: Sifa took 757.87 ms. Allocated memory is still 196.6 MB. Free memory was 160.6 MB in the beginning and 114.9 MB in the end (delta: 45.7 MB). Peak memory consumption was 45.7 MB. Max. memory is 7.1 GB. [2019-10-04 09:27:54,690 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 131.6 MB. Free memory was 105.9 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 266.33 ms. Allocated memory is still 131.6 MB. Free memory was 87.6 MB in the beginning and 78.0 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 126.06 ms. Allocated memory was 131.6 MB in the beginning and 196.6 MB in the end (delta: 65.0 MB). Free memory was 78.0 MB in the beginning and 173.0 MB in the end (delta: -95.0 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 249.80 ms. Allocated memory is still 196.6 MB. Free memory was 173.0 MB in the beginning and 160.6 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. * Sifa took 757.87 ms. Allocated memory is still 196.6 MB. Free memory was 160.6 MB in the beginning and 114.9 MB in the end (delta: 45.7 MB). Peak memory consumption was 45.7 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]: 666, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 14, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 11, TOOLS_POST_TIME[ms]: 37, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 18, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 2, TOOLS_QUANTIFIERELIM_APPLICATIONS: 14, TOOLS_QUANTIFIERELIM_TIME[ms]: 40, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 17, FLUID_QUERY_TIME[ms]: 8, FLUID_QUERIES: 17, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 5, DOMAIN_JOIN_TIME[ms]: 304, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 191, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 20, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 456, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 455, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 79, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 78, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 19, DAG_COMPRESSION_TIME[ms]: 15, DAG_COMPRESSION_PROCESSED_NODES: 57, DAG_COMPRESSION_RETAINED_NODES: 27 - UnprovableResult [Line: 48]: 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 49#(and (<= 0 main_~main__x~0) (<= 0 main_~main__i~0) (<= main_~main__j~0 2147483647) (<= 0 ~__return_main~0) (<= ~__return_main~0 0) (<= 0 |old(~__return_72~0)|) (<= main_~main__x~0 2147483647) (<= 0 main_~__VERIFIER_assert__cond~0) (= (ite (= 0 main_~main__y~0) 1 0) main_~__tmp_1~0) (<= 0 ~__return_72~0) (<= main_~__tmp_1~0 0) (= |old(~__return_72~0)| 0) (<= 0 main_~__tmp_1~0) (<= 0 main_~main__j~0) (= main_~main__j~0 main_~main__i~0) (<= main_~__VERIFIER_assert__cond~0 0) (= main_~__VERIFIER_assert__cond~0 0) (= 0 main_~main__x~0) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (<= ~__return_72~0 0) (<= main_~main__i~0 2147483647) (<= |old(~__return_72~0)| 0) (= ~__return_main~0 0) (<= main_~main__x~0 0) (<= main_~main__y~0 2147483647)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...