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/gj2007.c.i.p+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 02:29:14,010 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 02:29:14,012 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 02:29:14,027 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 02:29:14,027 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 02:29:14,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 02:29:14,031 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 02:29:14,040 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 02:29:14,045 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 02:29:14,048 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 02:29:14,049 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 02:29:14,051 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 02:29:14,051 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 02:29:14,053 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 02:29:14,056 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 02:29:14,057 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 02:29:14,059 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 02:29:14,060 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 02:29:14,061 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 02:29:14,066 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 02:29:14,071 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 02:29:14,074 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 02:29:14,075 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 02:29:14,076 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 02:29:14,077 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 02:29:14,078 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 02:29:14,078 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 02:29:14,079 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 02:29:14,079 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 02:29:14,080 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 02:29:14,080 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 02:29:14,081 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 02:29:14,081 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 02:29:14,082 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 02:29:14,083 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 02:29:14,083 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 02:29:14,084 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 02:29:14,084 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 02:29:14,084 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 02:29:14,085 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 02:29:14,086 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 02:29:14,087 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 [2019-10-14 02:29:14,100 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 02:29:14,100 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 02:29:14,102 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 02:29:14,102 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 02:29:14,102 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 02:29:14,102 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 02:29:14,102 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 02:29:14,103 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 02:29:14,103 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 02:29:14,103 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 02:29:14,103 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 02:29:14,103 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 02:29:14,104 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 02:29:14,104 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 02:29:14,104 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 02:29:14,104 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 02:29:14,104 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 02:29:14,105 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 02:29:14,105 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 02:29:14,105 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 02:29:14,105 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 02:29:14,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 02:29:14,106 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 02:29:14,106 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 02:29:14,106 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 02:29:14,106 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 02:29:14,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 02:29:14,107 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 02:29:14,107 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 [2019-10-14 02:29:14,383 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 02:29:14,397 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 02:29:14,400 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 02:29:14,402 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 02:29:14,402 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 02:29:14,403 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/gj2007.c.i.p+nlh-reducer.c [2019-10-14 02:29:14,474 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a0edac94/82c2ba7f88584c66afdd496865a0e57f/FLAGff657b40d [2019-10-14 02:29:14,983 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 02:29:14,984 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/gj2007.c.i.p+nlh-reducer.c [2019-10-14 02:29:15,004 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a0edac94/82c2ba7f88584c66afdd496865a0e57f/FLAGff657b40d [2019-10-14 02:29:15,324 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a0edac94/82c2ba7f88584c66afdd496865a0e57f [2019-10-14 02:29:15,334 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 02:29:15,336 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 02:29:15,337 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 02:29:15,337 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 02:29:15,340 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 02:29:15,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:29:15" (1/1) ... [2019-10-14 02:29:15,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d03ee81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:29:15, skipping insertion in model container [2019-10-14 02:29:15,344 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:29:15" (1/1) ... [2019-10-14 02:29:15,352 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 02:29:15,419 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 02:29:15,759 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 02:29:15,765 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 02:29:15,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 02:29:15,941 INFO L192 MainTranslator]: Completed translation [2019-10-14 02:29:15,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:29:15 WrapperNode [2019-10-14 02:29:15,942 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 02:29:15,942 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 02:29:15,943 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 02:29:15,943 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 02:29:15,954 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:29:15" (1/1) ... [2019-10-14 02:29:15,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:29:15" (1/1) ... [2019-10-14 02:29:15,965 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:29:15" (1/1) ... [2019-10-14 02:29:15,965 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:29:15" (1/1) ... [2019-10-14 02:29:15,978 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:29:15" (1/1) ... [2019-10-14 02:29:15,992 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:29:15" (1/1) ... [2019-10-14 02:29:15,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:29:15" (1/1) ... [2019-10-14 02:29:16,000 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 02:29:16,001 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 02:29:16,001 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 02:29:16,001 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 02:29:16,002 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:29:15" (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 [2019-10-14 02:29:16,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 02:29:16,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 02:29:16,083 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 02:29:16,083 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 02:29:16,083 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-14 02:29:16,083 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-14 02:29:16,083 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 02:29:16,084 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 02:29:16,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 02:29:16,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 02:29:17,453 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 02:29:17,453 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-14 02:29:17,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:29:17 BoogieIcfgContainer [2019-10-14 02:29:17,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 02:29:17,455 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-14 02:29:17,455 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-14 02:29:17,456 INFO L275 PluginConnector]: Sifa initialized [2019-10-14 02:29:17,457 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:29:17" (1/1) ... [2019-10-14 02:29:17,458 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 [2019-10-14 02:29:17,482 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-14 02:29:17,482 INFO L169 IcfgInterpreter]: Building call graph [2019-10-14 02:29:17,497 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-14 02:29:17,507 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-14 02:29:17,509 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-14 02:29:17,663 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 10 for LOIs [2019-10-14 02:29:18,115 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-14 02:29:18,115 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-14 02:29:18,118 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 113#(and (<= |old(~__return_1121~0)| 0) (<= 0 |old(~__return_1121~0)|) (<= 0 ~__return_1121~0) (<= 0 ~__return_main~0) (<= main_~__VERIFIER_assert__cond~0 0) (= main_~__VERIFIER_assert__cond~0 0) (not (< main_~main__x~0 100)) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (= |old(~__return_1121~0)| 0) (<= 67 main_~main__y~0) (<= ~__return_main~0 0) (<= 67 main_~main__x~0) (<= ~__return_1121~0 0) (<= 100 main_~main__x~0) (<= 0 main_~__VERIFIER_assert__cond~0) (<= main_~__tmp_1~0 0) (= (ite (= 100 main_~main__y~0) 1 0) main_~__tmp_1~0) (= ~__return_main~0 0) (<= 0 main_~__tmp_1~0)) [2019-10-14 02:29:18,134 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-14 02:29:18,134 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-14 02:29:18,138 INFO L168 Benchmark]: Toolchain (without parser) took 2800.41 ms. Allocated memory was 138.9 MB in the beginning and 236.5 MB in the end (delta: 97.5 MB). Free memory was 102.4 MB in the beginning and 124.4 MB in the end (delta: -22.0 MB). Peak memory consumption was 75.5 MB. Max. memory is 7.1 GB. [2019-10-14 02:29:18,139 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 138.9 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-14 02:29:18,141 INFO L168 Benchmark]: CACSL2BoogieTranslator took 605.44 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 102.2 MB in the beginning and 176.3 MB in the end (delta: -74.1 MB). Peak memory consumption was 29.5 MB. Max. memory is 7.1 GB. [2019-10-14 02:29:18,143 INFO L168 Benchmark]: Boogie Preprocessor took 58.22 ms. Allocated memory is still 202.4 MB. Free memory was 176.3 MB in the beginning and 173.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2019-10-14 02:29:18,145 INFO L168 Benchmark]: RCFGBuilder took 1453.97 ms. Allocated memory was 202.4 MB in the beginning and 236.5 MB in the end (delta: 34.1 MB). Free memory was 173.2 MB in the beginning and 165.2 MB in the end (delta: 7.9 MB). Peak memory consumption was 87.7 MB. Max. memory is 7.1 GB. [2019-10-14 02:29:18,154 INFO L168 Benchmark]: Sifa took 679.00 ms. Allocated memory is still 236.5 MB. Free memory was 165.2 MB in the beginning and 124.4 MB in the end (delta: 40.8 MB). Peak memory consumption was 40.8 MB. Max. memory is 7.1 GB. [2019-10-14 02:29:18,163 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 138.9 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 605.44 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 102.2 MB in the beginning and 176.3 MB in the end (delta: -74.1 MB). Peak memory consumption was 29.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 58.22 ms. Allocated memory is still 202.4 MB. Free memory was 176.3 MB in the beginning and 173.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1453.97 ms. Allocated memory was 202.4 MB in the beginning and 236.5 MB in the end (delta: 34.1 MB). Free memory was 173.2 MB in the beginning and 165.2 MB in the end (delta: 7.9 MB). Peak memory consumption was 87.7 MB. Max. memory is 7.1 GB. * Sifa took 679.00 ms. Allocated memory is still 236.5 MB. Free memory was 165.2 MB in the beginning and 124.4 MB in the end (delta: 40.8 MB). Peak memory consumption was 40.8 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]: 637, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 78, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 75, TOOLS_POST_TIME[ms]: 125, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 21, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 1, TOOLS_QUANTIFIERELIM_APPLICATIONS: 78, TOOLS_QUANTIFIERELIM_TIME[ms]: 115, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 14, FLUID_QUERY_TIME[ms]: 10, FLUID_QUERIES: 81, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 5, DOMAIN_JOIN_TIME[ms]: 233, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 95, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 13, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 265, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 264, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 85, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 85, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 9, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 51, DAG_COMPRESSION_PROCESSED_NODES: 800, DAG_COMPRESSION_RETAINED_NODES: 155 - UnprovableResult [Line: 439]: 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 113#(and (<= |old(~__return_1121~0)| 0) (<= 0 |old(~__return_1121~0)|) (<= 0 ~__return_1121~0) (<= 0 ~__return_main~0) (<= main_~__VERIFIER_assert__cond~0 0) (= main_~__VERIFIER_assert__cond~0 0) (not (< main_~main__x~0 100)) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (= |old(~__return_1121~0)| 0) (<= 67 main_~main__y~0) (<= ~__return_main~0 0) (<= 67 main_~main__x~0) (<= ~__return_1121~0 0) (<= 100 main_~main__x~0) (<= 0 main_~__VERIFIER_assert__cond~0) (<= main_~__tmp_1~0 0) (= (ite (= 100 main_~main__y~0) 1 0) main_~__tmp_1~0) (= ~__return_main~0 0) (<= 0 main_~__tmp_1~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...