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/filter1.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 08:35:30,849 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 08:35:30,851 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 08:35:30,862 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 08:35:30,863 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 08:35:30,864 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 08:35:30,865 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 08:35:30,867 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 08:35:30,868 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 08:35:30,869 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 08:35:30,870 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 08:35:30,871 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 08:35:30,871 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 08:35:30,872 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 08:35:30,873 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 08:35:30,874 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 08:35:30,875 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 08:35:30,876 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 08:35:30,878 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 08:35:30,880 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 08:35:30,881 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 08:35:30,882 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 08:35:30,883 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 08:35:30,884 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 08:35:30,886 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 08:35:30,886 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 08:35:30,886 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 08:35:30,887 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 08:35:30,888 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 08:35:30,889 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 08:35:30,889 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 08:35:30,890 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 08:35:30,890 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 08:35:30,891 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 08:35:30,892 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 08:35:30,892 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 08:35:30,893 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 08:35:30,893 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 08:35:30,893 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 08:35:30,895 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 08:35:30,896 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 08:35:30,899 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 08:35:30,926 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 08:35:30,927 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 08:35:30,928 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 08:35:30,928 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 08:35:30,928 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 08:35:30,928 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 08:35:30,929 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 08:35:30,929 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 08:35:30,929 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 08:35:30,930 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 08:35:30,930 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 08:35:30,930 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 08:35:30,930 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 08:35:30,930 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 08:35:30,931 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 08:35:30,931 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 08:35:30,931 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 08:35:30,931 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 08:35:30,931 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 08:35:30,932 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 08:35:30,932 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 08:35:30,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 08:35:30,934 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 08:35:30,934 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 08:35:30,934 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 08:35:30,934 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 08:35:30,934 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 08:35:30,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 08:35:30,935 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 08:35:30,982 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 08:35:30,993 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 08:35:30,997 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 08:35:30,998 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 08:35:30,999 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 08:35:30,999 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/filter1.c.v+lhb-reducer.c [2019-09-06 08:35:31,060 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f519a4072/aee6219991b94c10b94fee1910427154/FLAG97f203dab [2019-09-06 08:35:31,517 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 08:35:31,517 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/filter1.c.v+lhb-reducer.c [2019-09-06 08:35:31,524 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f519a4072/aee6219991b94c10b94fee1910427154/FLAG97f203dab [2019-09-06 08:35:31,897 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f519a4072/aee6219991b94c10b94fee1910427154 [2019-09-06 08:35:31,909 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 08:35:31,910 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 08:35:31,911 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 08:35:31,911 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 08:35:31,914 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 08:35:31,915 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:35:31" (1/1) ... [2019-09-06 08:35:31,918 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50c831cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:35:31, skipping insertion in model container [2019-09-06 08:35:31,918 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:35:31" (1/1) ... [2019-09-06 08:35:31,925 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 08:35:31,948 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 08:35:32,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:35:32,138 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 08:35:32,259 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:35:32,280 INFO L192 MainTranslator]: Completed translation [2019-09-06 08:35:32,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:35:32 WrapperNode [2019-09-06 08:35:32,281 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 08:35:32,282 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 08:35:32,283 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 08:35:32,283 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 08:35:32,296 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:35:32" (1/1) ... [2019-09-06 08:35:32,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:35:32" (1/1) ... [2019-09-06 08:35:32,304 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:35:32" (1/1) ... [2019-09-06 08:35:32,306 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:35:32" (1/1) ... [2019-09-06 08:35:32,330 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:35:32" (1/1) ... [2019-09-06 08:35:32,335 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:35:32" (1/1) ... [2019-09-06 08:35:32,337 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:35:32" (1/1) ... [2019-09-06 08:35:32,340 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 08:35:32,341 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 08:35:32,341 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 08:35:32,341 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 08:35:32,342 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:35:32" (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 08:35:32,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 08:35:32,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 08:35:32,397 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 08:35:32,397 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 08:35:32,397 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 08:35:32,398 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2019-09-06 08:35:32,398 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 08:35:32,398 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-06 08:35:32,398 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 08:35:32,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 08:35:32,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 08:35:32,709 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 08:35:32,710 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-06 08:35:32,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:35:32 BoogieIcfgContainer [2019-09-06 08:35:32,711 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 08:35:32,711 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 08:35:32,712 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 08:35:32,712 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 08:35:32,713 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:35:32" (1/1) ... [2019-09-06 08:35:32,713 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 08:35:32,736 INFO L162 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-09-06 08:35:32,737 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 08:35:32,745 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 08:35:32,755 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 08:35:32,757 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 08:35:32,840 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 25 for LOIs [2019-09-06 08:35:33,395 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 08:35:33,396 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 08:35:33,401 INFO L193 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 182#(and (<= main_~main____CPAchecker_TMP_2~1 0) (<= 0 ~__return_134~0) (<= main_~main____CPAchecker_TMP_2~0 1) (<= 1 main_~main__i~0) (<= 0 |old(~__return_134~0)|) (<= 0 ~__return_main~0) (<= ~__return_main~0 0) (<= 0 main_~main____CPAchecker_TMP_0~1) (<= ~__return_134~0 0) (<= 0 ~__tmp_129_0~0) (<= 0 |old(~__tmp_129_2~0)|) (<= main_~__VERIFIER_assert__cond~0 1) (<= 0 main_~__VERIFIER_assert__cond~1) (<= 0 main_~main____CPAchecker_TMP_2~0) (<= 0 (+ main_~main____CPAchecker_TMP_1~0 2147483648)) (<= 0 main_~__VERIFIER_assert__cond~0) (<= 0 main_~main____CPAchecker_TMP_2~1) (<= main_~__tmp_2~0 0) (<= 0 main_~__tmp_1~0) (<= 0 (+ ~__tmp_129_1~0 2147483648)) (<= 0 |old(~__tmp_129_0~0)|) (<= 0 main_~__tmp_2~0) (<= |old(~__tmp_129_0~0)| 0) (<= |old(~__return_134~0)| 0) (<= |old(~__tmp_129_2~0)| 0) (<= main_~__VERIFIER_assert__cond~1 0) (<= 0 |old(~__tmp_129_1~0)|) (<= main_~main____CPAchecker_TMP_0~0 1) (<= ~__tmp_129_2~0 1) (<= main_~__tmp_1~0 1) (<= main_~main____CPAchecker_TMP_0~1 1) (<= 0 (+ main_~main____CPAchecker_TMP_1~1 2147483648)) (<= |old(~__tmp_129_1~0)| 0) (<= ~__tmp_129_0~0 1) (<= ~__tmp_129_1~0 2147483647) (<= main_~main____CPAchecker_TMP_1~0 2147483647) (<= main_~main____CPAchecker_TMP_1~1 2147483647)) [2019-09-06 08:35:33,401 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 194#(and (<= 0 main_~main__i~0) (<= 0 ~__return_134~0) (<= 1 main_~main____CPAchecker_TMP_0~0) (<= 0 |old(~__return_134~0)|) (<= 0 ~__return_main~0) (<= ~__tmp_129_2~0 0) (<= ~__return_main~0 0) (<= ~__return_134~0 0) (<= 0 ~__tmp_129_0~0) (<= 0 ~__tmp_129_2~0) (<= 0 |old(~__tmp_129_2~0)|) (<= 0 main_~main____CPAchecker_TMP_2~0) (<= 0 (+ main_~main____CPAchecker_TMP_1~0 2147483648)) (<= main_~main__i~0 0) (<= 0 main_~__VERIFIER_assert__cond~0) (<= main_~__tmp_1~0 0) (<= 0 main_~__tmp_1~0) (<= 0 |old(~__tmp_129_0~0)|) (<= |old(~__tmp_129_0~0)| 0) (<= |old(~__return_134~0)| 0) (<= ~__tmp_129_0~0 0) (<= |old(~__tmp_129_2~0)| 0) (<= main_~__VERIFIER_assert__cond~0 0) (<= 0 |old(~__tmp_129_1~0)|) (<= main_~main____CPAchecker_TMP_0~0 1) (<= 0 ~__tmp_129_1~0) (<= ~__tmp_129_1~0 0) (<= |old(~__tmp_129_1~0)| 0) (<= main_~main____CPAchecker_TMP_2~0 0) (<= main_~main____CPAchecker_TMP_1~0 2147483647)) [2019-09-06 08:35:33,422 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 08:35:33,422 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 08:35:33,425 INFO L168 Benchmark]: Toolchain (without parser) took 1513.72 ms. Allocated memory was 132.6 MB in the beginning and 198.2 MB in the end (delta: 65.5 MB). Free memory was 88.3 MB in the beginning and 92.5 MB in the end (delta: -4.3 MB). Peak memory consumption was 61.3 MB. Max. memory is 7.1 GB. [2019-09-06 08:35:33,426 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 132.6 MB. Free memory is still 106.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-06 08:35:33,428 INFO L168 Benchmark]: CACSL2BoogieTranslator took 370.82 ms. Allocated memory was 132.6 MB in the beginning and 198.2 MB in the end (delta: 65.5 MB). Free memory was 87.9 MB in the beginning and 174.3 MB in the end (delta: -86.4 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. [2019-09-06 08:35:33,429 INFO L168 Benchmark]: Boogie Preprocessor took 58.01 ms. Allocated memory is still 198.2 MB. Free memory was 174.3 MB in the beginning and 172.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-09-06 08:35:33,430 INFO L168 Benchmark]: RCFGBuilder took 370.38 ms. Allocated memory is still 198.2 MB. Free memory was 172.5 MB in the beginning and 155.3 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 7.1 GB. [2019-09-06 08:35:33,432 INFO L168 Benchmark]: Sifa took 710.60 ms. Allocated memory is still 198.2 MB. Free memory was 155.3 MB in the beginning and 92.5 MB in the end (delta: 62.8 MB). Peak memory consumption was 62.8 MB. Max. memory is 7.1 GB. [2019-09-06 08:35:33,441 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 132.6 MB. Free memory is still 106.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 370.82 ms. Allocated memory was 132.6 MB in the beginning and 198.2 MB in the end (delta: 65.5 MB). Free memory was 87.9 MB in the beginning and 174.3 MB in the end (delta: -86.4 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 58.01 ms. Allocated memory is still 198.2 MB. Free memory was 174.3 MB in the beginning and 172.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 370.38 ms. Allocated memory is still 198.2 MB. Free memory was 172.5 MB in the beginning and 155.3 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 7.1 GB. * Sifa took 710.60 ms. Allocated memory is still 198.2 MB. Free memory was 155.3 MB in the beginning and 92.5 MB in the end (delta: 62.8 MB). Peak memory consumption was 62.8 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]: 665, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 142, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 136, TOOLS_POST_TIME[ms]: 161, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 23, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 2, TOOLS_QUANTIFIERELIM_TIME[ms]: 133, FLUID_QUERY_TIME[ms]: 10, FLUID_QUERIES: 145, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 51, DOMAIN_JOIN_TIME[ms]: 217, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 8, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 15, DOMAIN_ISBOTTOM_APPLICATIONS: 31, DOMAIN_ISBOTTOM_TIME[ms]: 109, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 328, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 327, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 24, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 40, DAG_COMPRESSION_PROCESSED_NODES: 295, DAG_COMPRESSION_RETAINED_NODES: 146 - UnprovableResult [Line: 99]: 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 182#(and (<= main_~main____CPAchecker_TMP_2~1 0) (<= 0 ~__return_134~0) (<= main_~main____CPAchecker_TMP_2~0 1) (<= 1 main_~main__i~0) (<= 0 |old(~__return_134~0)|) (<= 0 ~__return_main~0) (<= ~__return_main~0 0) (<= 0 main_~main____CPAchecker_TMP_0~1) (<= ~__return_134~0 0) (<= 0 ~__tmp_129_0~0) (<= 0 |old(~__tmp_129_2~0)|) (<= main_~__VERIFIER_assert__cond~0 1) (<= 0 main_~__VERIFIER_assert__cond~1) (<= 0 main_~main____CPAchecker_TMP_2~0) (<= 0 (+ main_~main____CPAchecker_TMP_1~0 2147483648)) (<= 0 main_~__VERIFIER_assert__cond~0) (<= 0 main_~main____CPAchecker_TMP_2~1) (<= main_~__tmp_2~0 0) (<= 0 main_~__tmp_1~0) (<= 0 (+ ~__tmp_129_1~0 2147483648)) (<= 0 |old(~__tmp_129_0~0)|) (<= 0 main_~__tmp_2~0) (<= |old(~__tmp_129_0~0)| 0) (<= |old(~__return_134~0)| 0) (<= |old(~__tmp_129_2~0)| 0) (<= main_~__VERIFIER_assert__cond~1 0) (<= 0 |old(~__tmp_129_1~0)|) (<= main_~main____CPAchecker_TMP_0~0 1) (<= ~__tmp_129_2~0 1) (<= main_~__tmp_1~0 1) (<= main_~main____CPAchecker_TMP_0~1 1) (<= 0 (+ main_~main____CPAchecker_TMP_1~1 2147483648)) (<= |old(~__tmp_129_1~0)| 0) (<= ~__tmp_129_0~0 1) (<= ~__tmp_129_1~0 2147483647) (<= main_~main____CPAchecker_TMP_1~0 2147483647) (<= main_~main____CPAchecker_TMP_1~1 2147483647)). Possible FailurePath: - UnprovableResult [Line: 53]: 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 194#(and (<= 0 main_~main__i~0) (<= 0 ~__return_134~0) (<= 1 main_~main____CPAchecker_TMP_0~0) (<= 0 |old(~__return_134~0)|) (<= 0 ~__return_main~0) (<= ~__tmp_129_2~0 0) (<= ~__return_main~0 0) (<= ~__return_134~0 0) (<= 0 ~__tmp_129_0~0) (<= 0 ~__tmp_129_2~0) (<= 0 |old(~__tmp_129_2~0)|) (<= 0 main_~main____CPAchecker_TMP_2~0) (<= 0 (+ main_~main____CPAchecker_TMP_1~0 2147483648)) (<= main_~main__i~0 0) (<= 0 main_~__VERIFIER_assert__cond~0) (<= main_~__tmp_1~0 0) (<= 0 main_~__tmp_1~0) (<= 0 |old(~__tmp_129_0~0)|) (<= |old(~__tmp_129_0~0)| 0) (<= |old(~__return_134~0)| 0) (<= ~__tmp_129_0~0 0) (<= |old(~__tmp_129_2~0)| 0) (<= main_~__VERIFIER_assert__cond~0 0) (<= 0 |old(~__tmp_129_1~0)|) (<= main_~main____CPAchecker_TMP_0~0 1) (<= 0 ~__tmp_129_1~0) (<= ~__tmp_129_1~0 0) (<= |old(~__tmp_129_1~0)| 0) (<= main_~main____CPAchecker_TMP_2~0 0) (<= main_~main____CPAchecker_TMP_1~0 2147483647)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...