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 IntervalDomain -i ../../../trunk/examples/svcomp/float-benchs/zonotope_3.c.p+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 08:36:42,253 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 08:36:42,256 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 08:36:42,270 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 08:36:42,270 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 08:36:42,272 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 08:36:42,273 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 08:36:42,275 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 08:36:42,277 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 08:36:42,278 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 08:36:42,279 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 08:36:42,280 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 08:36:42,280 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 08:36:42,281 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 08:36:42,282 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 08:36:42,283 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 08:36:42,284 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 08:36:42,285 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 08:36:42,287 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 08:36:42,289 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 08:36:42,290 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 08:36:42,291 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 08:36:42,292 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 08:36:42,293 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 08:36:42,295 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-06 08:36:42,299 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 08:36:42,300 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 08:36:42,300 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 08:36:42,301 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 08:36:42,303 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 08:36:42,303 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 08:36:42,303 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 08:36:42,304 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 08:36:42,304 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 08:36:42,305 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 08:36:42,306 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 08:36:42,306 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 [2019-09-06 08:36:42,322 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 08:36:42,323 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 08:36:42,324 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 08:36:42,324 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 08:36:42,325 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 08:36:42,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 08:36:42,325 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 08:36:42,325 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 08:36:42,325 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 08:36:42,326 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 08:36:42,326 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 08:36:42,326 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 08:36:42,326 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 08:36:42,326 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 08:36:42,327 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 08:36:42,327 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 08:36:42,327 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 08:36:42,327 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 08:36:42,328 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 08:36:42,328 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 08:36:42,328 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 08:36:42,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 08:36:42,329 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 08:36:42,329 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 08:36:42,329 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 08:36:42,329 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 08:36:42,329 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 08:36:42,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 08:36:42,330 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2019-09-06 08:36:42,361 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 08:36:42,375 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 08:36:42,379 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 08:36:42,380 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 08:36:42,381 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 08:36:42,382 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/zonotope_3.c.p+cfa-reducer.c [2019-09-06 08:36:42,450 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/912220c3b/951c31b825b644339414b5130e7647f7/FLAG7e58b1d3d [2019-09-06 08:36:42,905 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 08:36:42,906 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/zonotope_3.c.p+cfa-reducer.c [2019-09-06 08:36:42,915 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/912220c3b/951c31b825b644339414b5130e7647f7/FLAG7e58b1d3d [2019-09-06 08:36:43,323 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/912220c3b/951c31b825b644339414b5130e7647f7 [2019-09-06 08:36:43,339 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 08:36:43,340 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 08:36:43,342 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 08:36:43,342 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 08:36:43,349 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 08:36:43,350 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:36:43" (1/1) ... [2019-09-06 08:36:43,354 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2243a972 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:36:43, skipping insertion in model container [2019-09-06 08:36:43,355 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:36:43" (1/1) ... [2019-09-06 08:36:43,363 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 08:36:43,394 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 08:36:43,635 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:36:43,644 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 08:36:43,779 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:36:43,797 INFO L192 MainTranslator]: Completed translation [2019-09-06 08:36:43,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:36:43 WrapperNode [2019-09-06 08:36:43,798 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 08:36:43,798 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 08:36:43,799 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 08:36:43,799 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 08:36:43,816 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:36:43" (1/1) ... [2019-09-06 08:36:43,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:36:43" (1/1) ... [2019-09-06 08:36:43,825 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:36:43" (1/1) ... [2019-09-06 08:36:43,826 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:36:43" (1/1) ... [2019-09-06 08:36:43,835 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:36:43" (1/1) ... [2019-09-06 08:36:43,838 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:36:43" (1/1) ... [2019-09-06 08:36:43,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:36:43" (1/1) ... [2019-09-06 08:36:43,842 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 08:36:43,843 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 08:36:43,843 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 08:36:43,843 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 08:36:43,844 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:36:43" (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 [2019-09-06 08:36:43,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 08:36:43,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 08:36:43,895 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 08:36:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 08:36:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-09-06 08:36:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 08:36:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-06 08:36:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-09-06 08:36:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-09-06 08:36:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 08:36:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 08:36:43,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 08:36:44,160 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 08:36:44,161 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-06 08:36:44,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:36:44 BoogieIcfgContainer [2019-09-06 08:36:44,165 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 08:36:44,165 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 08:36:44,165 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 08:36:44,166 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 08:36:44,167 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:36:44" (1/1) ... [2019-09-06 08:36:44,177 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ 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=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-06 08:36:44,209 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 08:36:44,210 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 08:36:44,220 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 08:36:44,235 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 08:36:44,242 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 08:36:44,346 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 46 for LOIs [2019-09-06 08:36:44,679 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 08:36:44,680 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 08:36:44,682 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 86#(and (<= |old(~__return_103~0)| 0.0) (<= main_~f__x~0 0.0) (<= 1 main_~main____CPAchecker_TMP_0~0) (<= main_~__tmp_9~0 0) (<= main_~__tmp_3~0 (/ 3.0 4.0)) (<= 0 ~__return_main~0) (<= (/ 1.0 4.0) main_~g__x~1) (<= 0.0 |old(~__return_136~0)|) (<= 100000 main_~main__i~0) (<= 0.0 |old(~__return_146~0)|) (<= ~__return_main~0 0) (<= 0 main_~__tmp_9~0) (<= |old(~__return_111~0)| 0.0) (<= main_~g__x~1 (/ 1.0 4.0)) (<= |old(~__return_107~0)| 0.0) (<= 0 main_~main____CPAchecker_TMP_2~0) (<= main_~__tmp_2~0 0.0) (<= main_~g__x~0 0.0) (<= 0.0 |old(~__return_107~0)|) (<= |old(~__return_99~0)| 0.0) (<= 0 main_~__VERIFIER_assert__cond~0) (<= 0.0 main_~f__x~0) (<= main_~__tmp_4~0 (/ 1.0 4.0)) (<= main_~f__x~1 (/ 3.0 4.0)) (<= 0.0 main_~g__x~0) (<= 0.0 |old(~__return_111~0)|) (<= (/ 1.0 4.0) main_~__tmp_4~0) (<= |old(~__return_146~0)| 0.0) (<= |old(~__return_136~0)| 0.0) (<= 0.0 |old(~__return_99~0)|) (<= 0.0 |old(~__return_142~0)|) (<= main_~__VERIFIER_assert__cond~0 0) (<= main_~main____CPAchecker_TMP_0~0 1) (<= 0.0 main_~__tmp_1~0) (<= 0.0 main_~__tmp_2~0) (<= 0.0 |old(~__return_103~0)|) (<= main_~__tmp_1~0 0.0) (<= 0.0 |old(~__return_151~0)|) (<= main_~main____CPAchecker_TMP_2~0 0) (<= (/ 3.0 4.0) main_~f__x~1) (<= (/ 3.0 4.0) main_~__tmp_3~0) (<= |old(~__return_151~0)| 0.0) (<= |old(~__return_142~0)| 0.0)) [2019-09-06 08:36:44,711 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 08:36:44,711 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 08:36:44,714 INFO L168 Benchmark]: Toolchain (without parser) took 1372.55 ms. Allocated memory was 137.9 MB in the beginning and 197.7 MB in the end (delta: 59.8 MB). Free memory was 85.3 MB in the beginning and 121.2 MB in the end (delta: -36.0 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. [2019-09-06 08:36:44,715 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 137.9 MB. Free memory was 104.0 MB in the beginning and 103.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 08:36:44,716 INFO L168 Benchmark]: CACSL2BoogieTranslator took 456.21 ms. Allocated memory was 137.9 MB in the beginning and 197.7 MB in the end (delta: 59.8 MB). Free memory was 85.0 MB in the beginning and 174.2 MB in the end (delta: -89.1 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. [2019-09-06 08:36:44,717 INFO L168 Benchmark]: Boogie Preprocessor took 43.94 ms. Allocated memory is still 197.7 MB. Free memory was 174.2 MB in the beginning and 172.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-09-06 08:36:44,718 INFO L168 Benchmark]: RCFGBuilder took 322.05 ms. Allocated memory is still 197.7 MB. Free memory was 172.3 MB in the beginning and 157.6 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. [2019-09-06 08:36:44,719 INFO L168 Benchmark]: Sifa took 545.95 ms. Allocated memory is still 197.7 MB. Free memory was 157.6 MB in the beginning and 121.2 MB in the end (delta: 36.4 MB). Peak memory consumption was 36.4 MB. Max. memory is 7.1 GB. [2019-09-06 08:36:44,722 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 137.9 MB. Free memory was 104.0 MB in the beginning and 103.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 456.21 ms. Allocated memory was 137.9 MB in the beginning and 197.7 MB in the end (delta: 59.8 MB). Free memory was 85.0 MB in the beginning and 174.2 MB in the end (delta: -89.1 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.94 ms. Allocated memory is still 197.7 MB. Free memory was 174.2 MB in the beginning and 172.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 322.05 ms. Allocated memory is still 197.7 MB. Free memory was 172.3 MB in the beginning and 157.6 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. * Sifa took 545.95 ms. Allocated memory is still 197.7 MB. Free memory was 157.6 MB in the beginning and 121.2 MB in the end (delta: 36.4 MB). Peak memory consumption was 36.4 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]: 473, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 74, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 63, TOOLS_POST_TIME[ms]: 110, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 31, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 4, TOOLS_QUANTIFIERELIM_TIME[ms]: 103, FLUID_QUERY_TIME[ms]: 10, FLUID_QUERIES: 82, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 16, DOMAIN_JOIN_TIME[ms]: 91, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 20, DOMAIN_ISSUBSETEQ_APPLICATIONS: 8, DOMAIN_ISSUBSETEQ_TIME[ms]: 34, DOMAIN_ISBOTTOM_APPLICATIONS: 10, DOMAIN_ISBOTTOM_TIME[ms]: 58, LOOP_SUMMARIZER_APPLICATIONS: 7, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 208, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 207, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 8, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 26, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 9, DAG_COMPRESSION_TIME[ms]: 26, DAG_COMPRESSION_PROCESSED_NODES: 213, DAG_COMPRESSION_RETAINED_NODES: 88 - UnprovableResult [Line: 139]: 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 86#(and (<= |old(~__return_103~0)| 0.0) (<= main_~f__x~0 0.0) (<= 1 main_~main____CPAchecker_TMP_0~0) (<= main_~__tmp_9~0 0) (<= main_~__tmp_3~0 (/ 3.0 4.0)) (<= 0 ~__return_main~0) (<= (/ 1.0 4.0) main_~g__x~1) (<= 0.0 |old(~__return_136~0)|) (<= 100000 main_~main__i~0) (<= 0.0 |old(~__return_146~0)|) (<= ~__return_main~0 0) (<= 0 main_~__tmp_9~0) (<= |old(~__return_111~0)| 0.0) (<= main_~g__x~1 (/ 1.0 4.0)) (<= |old(~__return_107~0)| 0.0) (<= 0 main_~main____CPAchecker_TMP_2~0) (<= main_~__tmp_2~0 0.0) (<= main_~g__x~0 0.0) (<= 0.0 |old(~__return_107~0)|) (<= |old(~__return_99~0)| 0.0) (<= 0 main_~__VERIFIER_assert__cond~0) (<= 0.0 main_~f__x~0) (<= main_~__tmp_4~0 (/ 1.0 4.0)) (<= main_~f__x~1 (/ 3.0 4.0)) (<= 0.0 main_~g__x~0) (<= 0.0 |old(~__return_111~0)|) (<= (/ 1.0 4.0) main_~__tmp_4~0) (<= |old(~__return_146~0)| 0.0) (<= |old(~__return_136~0)| 0.0) (<= 0.0 |old(~__return_99~0)|) (<= 0.0 |old(~__return_142~0)|) (<= main_~__VERIFIER_assert__cond~0 0) (<= main_~main____CPAchecker_TMP_0~0 1) (<= 0.0 main_~__tmp_1~0) (<= 0.0 main_~__tmp_2~0) (<= 0.0 |old(~__return_103~0)|) (<= main_~__tmp_1~0 0.0) (<= 0.0 |old(~__return_151~0)|) (<= main_~main____CPAchecker_TMP_2~0 0) (<= (/ 3.0 4.0) main_~f__x~1) (<= (/ 3.0 4.0) main_~__tmp_3~0) (<= |old(~__return_151~0)| 0.0) (<= |old(~__return_142~0)| 0.0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...