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/gsv2008.c.i.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-04 09:27:51,037 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-04 09:27:51,039 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-04 09:27:51,053 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-04 09:27:51,054 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-04 09:27:51,055 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-04 09:27:51,056 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-04 09:27:51,058 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-04 09:27:51,059 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-04 09:27:51,060 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-04 09:27:51,061 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-04 09:27:51,062 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-04 09:27:51,063 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-04 09:27:51,064 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-04 09:27:51,065 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-04 09:27:51,066 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-04 09:27:51,067 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-04 09:27:51,067 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-04 09:27:51,070 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-04 09:27:51,075 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-04 09:27:51,076 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-04 09:27:51,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-04 09:27:51,081 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-04 09:27:51,081 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-04 09:27:51,086 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-04 09:27:51,086 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-04 09:27:51,087 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-04 09:27:51,088 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-04 09:27:51,089 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-04 09:27:51,090 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-04 09:27:51,090 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-04 09:27:51,092 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-04 09:27:51,092 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-04 09:27:51,093 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-04 09:27:51,096 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-04 09:27:51,097 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-04 09:27:51,097 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-04 09:27:51,097 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-04 09:27:51,097 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-04 09:27:51,098 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-04 09:27:51,101 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-04 09:27:51,103 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 09:27:51,125 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-04 09:27:51,125 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-04 09:27:51,127 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-04 09:27:51,127 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-04 09:27:51,127 INFO L138 SettingsManager]: * Use SBE=true [2019-10-04 09:27:51,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-04 09:27:51,128 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-04 09:27:51,129 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-04 09:27:51,129 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-04 09:27:51,129 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-04 09:27:51,129 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-04 09:27:51,129 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-04 09:27:51,130 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-04 09:27:51,130 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-04 09:27:51,130 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-04 09:27:51,131 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-04 09:27:51,131 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-04 09:27:51,131 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-04 09:27:51,131 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-04 09:27:51,132 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-04 09:27:51,132 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-04 09:27:51,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-04 09:27:51,132 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-04 09:27:51,133 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-04 09:27:51,133 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-04 09:27:51,133 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-04 09:27:51,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-04 09:27:51,134 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-04 09:27:51,135 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 09:27:51,198 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-04 09:27:51,216 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-04 09:27:51,219 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-04 09:27:51,221 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-04 09:27:51,221 INFO L275 PluginConnector]: CDTParser initialized [2019-10-04 09:27:51,222 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/gsv2008.c.i.v+lhb-reducer.c [2019-10-04 09:27:51,288 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d299eea7/0d49dc3a70e446f7bc0c69734e298c0c/FLAG5ff59c71b [2019-10-04 09:27:51,716 INFO L306 CDTParser]: Found 1 translation units. [2019-10-04 09:27:51,718 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/gsv2008.c.i.v+lhb-reducer.c [2019-10-04 09:27:51,725 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d299eea7/0d49dc3a70e446f7bc0c69734e298c0c/FLAG5ff59c71b [2019-10-04 09:27:52,080 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d299eea7/0d49dc3a70e446f7bc0c69734e298c0c [2019-10-04 09:27:52,091 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-04 09:27:52,092 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-04 09:27:52,093 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-04 09:27:52,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-04 09:27:52,095 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-04 09:27:52,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 09:27:52" (1/1) ... [2019-10-04 09:27:52,099 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e0e9bfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:52, skipping insertion in model container [2019-10-04 09:27:52,099 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 09:27:52" (1/1) ... [2019-10-04 09:27:52,106 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-04 09:27:52,123 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-04 09:27:52,282 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 09:27:52,287 INFO L188 MainTranslator]: Completed pre-run [2019-10-04 09:27:52,308 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 09:27:52,323 INFO L192 MainTranslator]: Completed translation [2019-10-04 09:27:52,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:52 WrapperNode [2019-10-04 09:27:52,323 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-04 09:27:52,324 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-04 09:27:52,324 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-04 09:27:52,325 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-04 09:27:52,424 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:52" (1/1) ... [2019-10-04 09:27:52,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:52" (1/1) ... [2019-10-04 09:27:52,434 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:52" (1/1) ... [2019-10-04 09:27:52,435 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:52" (1/1) ... [2019-10-04 09:27:52,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:52" (1/1) ... [2019-10-04 09:27:52,441 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:52" (1/1) ... [2019-10-04 09:27:52,442 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:52" (1/1) ... [2019-10-04 09:27:52,444 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-04 09:27:52,444 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-04 09:27:52,444 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-04 09:27:52,444 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-04 09:27:52,445 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:52" (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 09:27:52,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-04 09:27:52,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-04 09:27:52,500 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-04 09:27:52,500 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-04 09:27:52,501 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-04 09:27:52,501 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-04 09:27:52,501 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-04 09:27:52,501 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-04 09:27:52,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-04 09:27:52,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-04 09:27:52,717 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-04 09:27:52,717 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-04 09:27:52,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 09:27:52 BoogieIcfgContainer [2019-10-04 09:27:52,720 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-04 09:27:52,728 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-04 09:27:52,729 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-04 09:27:52,729 INFO L275 PluginConnector]: Sifa initialized [2019-10-04 09:27:52,731 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 09:27:52" (1/1) ... [2019-10-04 09:27:52,734 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 09:27:52,775 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-04 09:27:52,775 INFO L169 IcfgInterpreter]: Building call graph [2019-10-04 09:27:52,796 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-04 09:27:52,811 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-04 09:27:52,812 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-04 09:27:52,957 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 16 for LOIs [2019-10-04 09:27:53,616 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-04 09:27:53,617 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-04 09:27:53,619 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 64#(and (= |old(~__return_65~0)| 0) (= main_~__VERIFIER_assert__cond~0 0) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (= ~__tmp_55_0~0 main_~main____CPAchecker_TMP_0~0) (<= 0 (+ ~__tmp_55_0~0 1000)) (<= 0 (+ main_~main__y~0 999)) (= main_~__tmp_1~0 (ite (< 0 main_~main__y~0) 1 0)) (= ~__return_main~0 0) (or (and (<= 0 main_~main__x~0) (<= main_~__VERIFIER_assert__cond~0 0) (<= 0 ~__return_main~0) (<= ~__return_main~0 0) (<= 0 (+ main_~main____CPAchecker_TMP_0~0 1000)) (<= 0 |old(~__tmp_55_0~0)|) (<= 0 |old(~__return_65~0)|) (<= ~__return_65~0 0) (<= 0 main_~__VERIFIER_assert__cond~0) (<= |old(~__return_65~0)| 0) (<= |old(~__tmp_55_0~0)| 0) (<= main_~__tmp_1~0 0) (<= 0 main_~__tmp_1~0)) (and (<= 0 main_~main__x~0) (<= 0 ~__tmp_55_0~0) (<= main_~__VERIFIER_assert__cond~0 0) (<= 0 ~__return_main~0) (<= 0 main_~main____CPAchecker_TMP_0~1) (<= ~__return_main~0 0) (<= 0 |old(~__tmp_55_0~0)|) (<= 0 |old(~__return_65~0)|) (<= 0 main_~main____CPAchecker_TMP_0~0) (<= ~__return_65~0 0) (<= 0 main_~__VERIFIER_assert__cond~0) (<= |old(~__return_65~0)| 0) (<= |old(~__tmp_55_0~0)| 0) (<= main_~__tmp_1~0 0) (<= 1 main_~main__y~0) (<= 0 main_~__tmp_1~0))) (not (< main_~main__x~0 0)) (= |old(~__tmp_55_0~0)| 0) (<= 0 ~__return_65~0)) [2019-10-04 09:27:53,637 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-04 09:27:53,637 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-04 09:27:53,640 INFO L168 Benchmark]: Toolchain (without parser) took 1546.74 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 86.0 MB in the beginning and 94.7 MB in the end (delta: -8.7 MB). Peak memory consumption was 51.6 MB. Max. memory is 7.1 GB. [2019-10-04 09:27:53,641 INFO L168 Benchmark]: CDTParser took 0.21 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. [2019-10-04 09:27:53,642 INFO L168 Benchmark]: CACSL2BoogieTranslator took 231.27 ms. Allocated memory is still 137.9 MB. Free memory was 85.6 MB in the beginning and 76.1 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-10-04 09:27:53,643 INFO L168 Benchmark]: Boogie Preprocessor took 119.51 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 76.1 MB in the beginning and 175.6 MB in the end (delta: -99.5 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2019-10-04 09:27:53,644 INFO L168 Benchmark]: RCFGBuilder took 275.68 ms. Allocated memory is still 198.2 MB. Free memory was 175.6 MB in the beginning and 163.2 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. [2019-10-04 09:27:53,645 INFO L168 Benchmark]: Sifa took 908.85 ms. Allocated memory is still 198.2 MB. Free memory was 163.2 MB in the beginning and 94.7 MB in the end (delta: 68.5 MB). Peak memory consumption was 68.5 MB. Max. memory is 7.1 GB. [2019-10-04 09:27:53,649 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 231.27 ms. Allocated memory is still 137.9 MB. Free memory was 85.6 MB in the beginning and 76.1 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.51 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 76.1 MB in the beginning and 175.6 MB in the end (delta: -99.5 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 275.68 ms. Allocated memory is still 198.2 MB. Free memory was 175.6 MB in the beginning and 163.2 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. * Sifa took 908.85 ms. Allocated memory is still 198.2 MB. Free memory was 163.2 MB in the beginning and 94.7 MB in the end (delta: 68.5 MB). Peak memory consumption was 68.5 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]: 845, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 20, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 17, TOOLS_POST_TIME[ms]: 81, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 19, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 2, TOOLS_QUANTIFIERELIM_APPLICATIONS: 20, TOOLS_QUANTIFIERELIM_TIME[ms]: 84, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 23, FLUID_QUERY_TIME[ms]: 10, FLUID_QUERIES: 24, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 6, DOMAIN_JOIN_TIME[ms]: 369, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 235, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 30, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 605, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 605, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 82, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 82, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 18, DAG_COMPRESSION_PROCESSED_NODES: 59, DAG_COMPRESSION_RETAINED_NODES: 29 - UnprovableResult [Line: 52]: 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 64#(and (= |old(~__return_65~0)| 0) (= main_~__VERIFIER_assert__cond~0 0) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (= ~__tmp_55_0~0 main_~main____CPAchecker_TMP_0~0) (<= 0 (+ ~__tmp_55_0~0 1000)) (<= 0 (+ main_~main__y~0 999)) (= main_~__tmp_1~0 (ite (< 0 main_~main__y~0) 1 0)) (= ~__return_main~0 0) (or (and (<= 0 main_~main__x~0) (<= main_~__VERIFIER_assert__cond~0 0) (<= 0 ~__return_main~0) (<= ~__return_main~0 0) (<= 0 (+ main_~main____CPAchecker_TMP_0~0 1000)) (<= 0 |old(~__tmp_55_0~0)|) (<= 0 |old(~__return_65~0)|) (<= ~__return_65~0 0) (<= 0 main_~__VERIFIER_assert__cond~0) (<= |old(~__return_65~0)| 0) (<= |old(~__tmp_55_0~0)| 0) (<= main_~__tmp_1~0 0) (<= 0 main_~__tmp_1~0)) (and (<= 0 main_~main__x~0) (<= 0 ~__tmp_55_0~0) (<= main_~__VERIFIER_assert__cond~0 0) (<= 0 ~__return_main~0) (<= 0 main_~main____CPAchecker_TMP_0~1) (<= ~__return_main~0 0) (<= 0 |old(~__tmp_55_0~0)|) (<= 0 |old(~__return_65~0)|) (<= 0 main_~main____CPAchecker_TMP_0~0) (<= ~__return_65~0 0) (<= 0 main_~__VERIFIER_assert__cond~0) (<= |old(~__return_65~0)| 0) (<= |old(~__tmp_55_0~0)| 0) (<= main_~__tmp_1~0 0) (<= 1 main_~main__y~0) (<= 0 main_~__tmp_1~0))) (not (< main_~main__x~0 0)) (= |old(~__tmp_55_0~0)| 0) (<= 0 ~__return_65~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...