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-new/gauss_sum.i.p+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-04 09:27:57,033 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-04 09:27:57,035 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-04 09:27:57,047 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-04 09:27:57,048 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-04 09:27:57,049 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-04 09:27:57,050 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-04 09:27:57,052 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-04 09:27:57,054 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-04 09:27:57,054 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-04 09:27:57,055 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-04 09:27:57,056 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-04 09:27:57,057 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-04 09:27:57,058 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-04 09:27:57,059 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-04 09:27:57,060 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-04 09:27:57,061 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-04 09:27:57,061 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-04 09:27:57,063 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-04 09:27:57,065 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-04 09:27:57,067 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-04 09:27:57,067 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-04 09:27:57,069 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-04 09:27:57,069 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-04 09:27:57,072 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-04 09:27:57,072 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-04 09:27:57,072 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-04 09:27:57,073 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-04 09:27:57,074 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-04 09:27:57,075 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-04 09:27:57,075 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-04 09:27:57,076 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-04 09:27:57,076 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-04 09:27:57,077 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-04 09:27:57,078 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-04 09:27:57,078 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-04 09:27:57,079 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-04 09:27:57,079 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-04 09:27:57,079 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-04 09:27:57,080 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-04 09:27:57,081 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-04 09:27:57,082 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 09:27:57,096 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-04 09:27:57,096 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-04 09:27:57,097 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-04 09:27:57,097 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-04 09:27:57,098 INFO L138 SettingsManager]: * Use SBE=true [2019-10-04 09:27:57,098 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-04 09:27:57,098 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-04 09:27:57,098 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-04 09:27:57,098 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-04 09:27:57,099 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-04 09:27:57,099 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-04 09:27:57,099 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-04 09:27:57,099 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-04 09:27:57,099 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-04 09:27:57,100 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-04 09:27:57,100 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-04 09:27:57,100 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-04 09:27:57,100 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-04 09:27:57,101 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-04 09:27:57,101 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-04 09:27:57,101 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-04 09:27:57,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-04 09:27:57,101 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-04 09:27:57,102 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-04 09:27:57,102 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-04 09:27:57,102 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-04 09:27:57,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-04 09:27:57,102 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-04 09:27:57,103 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 09:27:57,132 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-04 09:27:57,145 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-04 09:27:57,148 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-04 09:27:57,149 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-04 09:27:57,150 INFO L275 PluginConnector]: CDTParser initialized [2019-10-04 09:27:57,150 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-new/gauss_sum.i.p+cfa-reducer.c [2019-10-04 09:27:57,213 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03ea47175/f0eb23e56e104e0280e4f06c62877eaa/FLAGfe473d403 [2019-10-04 09:27:57,637 INFO L306 CDTParser]: Found 1 translation units. [2019-10-04 09:27:57,638 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-new/gauss_sum.i.p+cfa-reducer.c [2019-10-04 09:27:57,644 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03ea47175/f0eb23e56e104e0280e4f06c62877eaa/FLAGfe473d403 [2019-10-04 09:27:58,049 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03ea47175/f0eb23e56e104e0280e4f06c62877eaa [2019-10-04 09:27:58,060 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-04 09:27:58,062 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-04 09:27:58,063 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-04 09:27:58,063 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-04 09:27:58,067 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-04 09:27:58,068 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 09:27:58" (1/1) ... [2019-10-04 09:27:58,071 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@709a20b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:58, skipping insertion in model container [2019-10-04 09:27:58,071 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 09:27:58" (1/1) ... [2019-10-04 09:27:58,079 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-04 09:27:58,101 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-04 09:27:58,334 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 09:27:58,344 INFO L188 MainTranslator]: Completed pre-run [2019-10-04 09:27:58,368 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 09:27:58,386 INFO L192 MainTranslator]: Completed translation [2019-10-04 09:27:58,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:58 WrapperNode [2019-10-04 09:27:58,386 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-04 09:27:58,387 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-04 09:27:58,388 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-04 09:27:58,388 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-04 09:27:58,491 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:58" (1/1) ... [2019-10-04 09:27:58,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:58" (1/1) ... [2019-10-04 09:27:58,498 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:58" (1/1) ... [2019-10-04 09:27:58,500 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:58" (1/1) ... [2019-10-04 09:27:58,504 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:58" (1/1) ... [2019-10-04 09:27:58,507 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:58" (1/1) ... [2019-10-04 09:27:58,508 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:58" (1/1) ... [2019-10-04 09:27:58,511 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-04 09:27:58,513 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-04 09:27:58,514 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-04 09:27:58,514 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-04 09:27:58,515 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:58" (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 09:27:58,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-04 09:27:58,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-04 09:27:58,568 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-04 09:27:58,568 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-04 09:27:58,569 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-04 09:27:58,569 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-04 09:27:58,569 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-04 09:27:58,569 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-04 09:27:58,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-04 09:27:58,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-04 09:27:58,774 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-04 09:27:58,775 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-04 09:27:58,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 09:27:58 BoogieIcfgContainer [2019-10-04 09:27:58,777 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-04 09:27:58,777 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-04 09:27:58,777 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-04 09:27:58,778 INFO L275 PluginConnector]: Sifa initialized [2019-10-04 09:27:58,779 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 09:27:58" (1/1) ... [2019-10-04 09:27:58,780 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 09:27:58,833 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-04 09:27:58,834 INFO L169 IcfgInterpreter]: Building call graph [2019-10-04 09:27:58,844 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-04 09:27:58,872 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-04 09:27:58,876 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-04 09:27:59,011 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 12 for LOIs [2019-10-04 09:27:59,409 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-04 09:27:59,409 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-04 09:27:59,412 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 49#(and (= |old(~__return_80~0)| 0) (<= 0 main_~main__sum~0) (<= 1 main_~main__i~0) (<= 0 |old(~__return_80~0)|) (<= 0 ~__return_main~0) (<= main_~__VERIFIER_assert__cond~0 0) (= main_~__VERIFIER_assert__cond~0 0) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (<= 0 ~__return_80~0) (<= ~__return_main~0 0) (not (<= main_~main__i~0 main_~main__n~0)) (<= main_~main__n~0 1000) (<= ~__return_80~0 0) (= main_~__tmp_1~0 (ite (= (* main_~main__n~0 (+ main_~main__n~0 1)) (* 2 main_~main__sum~0)) 1 0)) (<= |old(~__return_80~0)| 0) (<= 0 main_~__VERIFIER_assert__cond~0) (<= 1 main_~main__n~0) (<= main_~__tmp_1~0 0) (= ~__return_main~0 0) (<= 0 main_~__tmp_1~0)) [2019-10-04 09:27:59,480 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-04 09:27:59,480 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-04 09:27:59,483 INFO L168 Benchmark]: Toolchain (without parser) took 1419.93 ms. Allocated memory was 139.5 MB in the beginning and 199.8 MB in the end (delta: 60.3 MB). Free memory was 87.2 MB in the beginning and 128.5 MB in the end (delta: -41.3 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. [2019-10-04 09:27:59,484 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-04 09:27:59,485 INFO L168 Benchmark]: CACSL2BoogieTranslator took 323.87 ms. Allocated memory is still 139.5 MB. Free memory was 87.0 MB in the beginning and 77.2 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-10-04 09:27:59,486 INFO L168 Benchmark]: Boogie Preprocessor took 125.91 ms. Allocated memory was 139.5 MB in the beginning and 199.8 MB in the end (delta: 60.3 MB). Free memory was 77.2 MB in the beginning and 177.3 MB in the end (delta: -100.1 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-10-04 09:27:59,487 INFO L168 Benchmark]: RCFGBuilder took 263.43 ms. Allocated memory is still 199.8 MB. Free memory was 177.3 MB in the beginning and 165.1 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. [2019-10-04 09:27:59,488 INFO L168 Benchmark]: Sifa took 702.71 ms. Allocated memory is still 199.8 MB. Free memory was 165.1 MB in the beginning and 128.5 MB in the end (delta: 36.5 MB). Peak memory consumption was 36.5 MB. Max. memory is 7.1 GB. [2019-10-04 09:27:59,492 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 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 323.87 ms. Allocated memory is still 139.5 MB. Free memory was 87.0 MB in the beginning and 77.2 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.91 ms. Allocated memory was 139.5 MB in the beginning and 199.8 MB in the end (delta: 60.3 MB). Free memory was 77.2 MB in the beginning and 177.3 MB in the end (delta: -100.1 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 263.43 ms. Allocated memory is still 199.8 MB. Free memory was 177.3 MB in the beginning and 165.1 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. * Sifa took 702.71 ms. Allocated memory is still 199.8 MB. Free memory was 165.1 MB in the beginning and 128.5 MB in the end (delta: 36.5 MB). Peak memory consumption was 36.5 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]: 579, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 13, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 10, TOOLS_POST_TIME[ms]: 22, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 20, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 2, TOOLS_QUANTIFIERELIM_APPLICATIONS: 13, TOOLS_QUANTIFIERELIM_TIME[ms]: 30, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 13, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 16, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 5, DOMAIN_JOIN_TIME[ms]: 237, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 159, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 34, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 366, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 366, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 71, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 70, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 14, DAG_COMPRESSION_PROCESSED_NODES: 44, DAG_COMPRESSION_RETAINED_NODES: 25 - UnprovableResult [Line: 44]: 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 (= |old(~__return_80~0)| 0) (<= 0 main_~main__sum~0) (<= 1 main_~main__i~0) (<= 0 |old(~__return_80~0)|) (<= 0 ~__return_main~0) (<= main_~__VERIFIER_assert__cond~0 0) (= main_~__VERIFIER_assert__cond~0 0) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (<= 0 ~__return_80~0) (<= ~__return_main~0 0) (not (<= main_~main__i~0 main_~main__n~0)) (<= main_~main__n~0 1000) (<= ~__return_80~0 0) (= main_~__tmp_1~0 (ite (= (* main_~main__n~0 (+ main_~main__n~0 1)) (* 2 main_~main__sum~0)) 1 0)) (<= |old(~__return_80~0)| 0) (<= 0 main_~__VERIFIER_assert__cond~0) (<= 1 main_~main__n~0) (<= main_~__tmp_1~0 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...