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 ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique NONE -i ../../../trunk/examples/svcomp/loops/trex02-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 02:05:27,050 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 02:05:27,053 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 02:05:27,070 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 02:05:27,071 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 02:05:27,072 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 02:05:27,075 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 02:05:27,086 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 02:05:27,088 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 02:05:27,089 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 02:05:27,090 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 02:05:27,091 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 02:05:27,092 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 02:05:27,093 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 02:05:27,093 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 02:05:27,094 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 02:05:27,095 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 02:05:27,096 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 02:05:27,097 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 02:05:27,099 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 02:05:27,101 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 02:05:27,102 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 02:05:27,103 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 02:05:27,103 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 02:05:27,105 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 02:05:27,106 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 02:05:27,106 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 02:05:27,107 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 02:05:27,107 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 02:05:27,108 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 02:05:27,108 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 02:05:27,109 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 02:05:27,109 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 02:05:27,110 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 02:05:27,111 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 02:05:27,111 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 02:05:27,112 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 02:05:27,112 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 02:05:27,112 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 02:05:27,113 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 02:05:27,114 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 02:05:27,115 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 [2019-09-17 02:05:27,129 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 02:05:27,129 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 02:05:27,130 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 02:05:27,130 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 02:05:27,131 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 02:05:27,131 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 02:05:27,131 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 02:05:27,131 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 02:05:27,131 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 02:05:27,132 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 02:05:27,132 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 02:05:27,132 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 02:05:27,132 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 02:05:27,132 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 02:05:27,133 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 02:05:27,133 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 02:05:27,133 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 02:05:27,133 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 02:05:27,133 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 02:05:27,134 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 02:05:27,134 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 02:05:27,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 02:05:27,134 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 02:05:27,134 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 02:05:27,135 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 02:05:27,135 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 02:05:27,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 02:05:27,135 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 02:05:27,135 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> NONE [2019-09-17 02:05:27,170 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 02:05:27,181 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 02:05:27,184 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 02:05:27,186 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 02:05:27,186 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 02:05:27,187 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/trex02-2.c [2019-09-17 02:05:27,250 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e60bebb12/811b6e91caf14856bbc71fcdbeb56b67/FLAGc84b9864d [2019-09-17 02:05:27,687 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 02:05:27,688 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/trex02-2.c [2019-09-17 02:05:27,697 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e60bebb12/811b6e91caf14856bbc71fcdbeb56b67/FLAGc84b9864d [2019-09-17 02:05:28,105 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e60bebb12/811b6e91caf14856bbc71fcdbeb56b67 [2019-09-17 02:05:28,114 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 02:05:28,115 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 02:05:28,116 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 02:05:28,117 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 02:05:28,120 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 02:05:28,121 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 02:05:28" (1/1) ... [2019-09-17 02:05:28,124 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8602cbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:05:28, skipping insertion in model container [2019-09-17 02:05:28,124 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 02:05:28" (1/1) ... [2019-09-17 02:05:28,131 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 02:05:28,146 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 02:05:28,317 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 02:05:28,321 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 02:05:28,333 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 02:05:28,345 INFO L192 MainTranslator]: Completed translation [2019-09-17 02:05:28,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:05:28 WrapperNode [2019-09-17 02:05:28,345 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 02:05:28,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 02:05:28,346 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 02:05:28,346 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 02:05:28,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:05:28" (1/1) ... [2019-09-17 02:05:28,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:05:28" (1/1) ... [2019-09-17 02:05:28,436 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:05:28" (1/1) ... [2019-09-17 02:05:28,437 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:05:28" (1/1) ... [2019-09-17 02:05:28,440 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:05:28" (1/1) ... [2019-09-17 02:05:28,445 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:05:28" (1/1) ... [2019-09-17 02:05:28,446 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:05:28" (1/1) ... [2019-09-17 02:05:28,447 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 02:05:28,448 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 02:05:28,448 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 02:05:28,448 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 02:05:28,449 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:05:28" (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 [2019-09-17 02:05:28,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 02:05:28,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 02:05:28,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-17 02:05:28,499 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-09-17 02:05:28,499 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 02:05:28,499 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 02:05:28,499 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-17 02:05:28,499 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-17 02:05:28,500 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 02:05:28,500 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-09-17 02:05:28,500 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 02:05:28,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 02:05:28,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 02:05:28,749 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 02:05:28,749 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-17 02:05:28,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 02:05:28 BoogieIcfgContainer [2019-09-17 02:05:28,751 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 02:05:28,752 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 02:05:28,752 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 02:05:28,752 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 02:05:28,754 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 02:05:28" (1/1) ... [2019-09-17 02:05:28,755 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-17 02:05:28,782 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 02:05:28,782 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 02:05:28,789 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 02:05:28,802 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 02:05:28,803 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 02:05:28,867 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 6 for LOIs [2019-09-17 02:05:29,005 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 11 for LOIs [2019-09-17 02:05:29,008 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 02:05:29,009 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 02:05:29,011 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 74#(and (or (and (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 ~x~0))) (and (= 0 ~x~0) (= |__VERIFIER_assert_#in~cond| 1))) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-17 02:05:29,025 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 02:05:29,026 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 02:05:29,028 INFO L168 Benchmark]: Toolchain (without parser) took 912.07 ms. Allocated memory was 131.6 MB in the beginning and 198.2 MB in the end (delta: 66.6 MB). Free memory was 87.3 MB in the beginning and 150.1 MB in the end (delta: -62.8 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2019-09-17 02:05:29,030 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-09-17 02:05:29,031 INFO L168 Benchmark]: CACSL2BoogieTranslator took 229.11 ms. Allocated memory is still 131.6 MB. Free memory was 86.8 MB in the beginning and 77.8 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-09-17 02:05:29,032 INFO L168 Benchmark]: Boogie Preprocessor took 101.46 ms. Allocated memory was 131.6 MB in the beginning and 198.2 MB in the end (delta: 66.6 MB). Free memory was 77.8 MB in the beginning and 175.0 MB in the end (delta: -97.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-09-17 02:05:29,033 INFO L168 Benchmark]: RCFGBuilder took 303.96 ms. Allocated memory is still 198.2 MB. Free memory was 175.0 MB in the beginning and 161.9 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. [2019-09-17 02:05:29,033 INFO L168 Benchmark]: Sifa took 273.87 ms. Allocated memory is still 198.2 MB. Free memory was 161.3 MB in the beginning and 150.1 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-09-17 02:05:29,037 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 131.6 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 229.11 ms. Allocated memory is still 131.6 MB. Free memory was 86.8 MB in the beginning and 77.8 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.46 ms. Allocated memory was 131.6 MB in the beginning and 198.2 MB in the end (delta: 66.6 MB). Free memory was 77.8 MB in the beginning and 175.0 MB in the end (delta: -97.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 303.96 ms. Allocated memory is still 198.2 MB. Free memory was 175.0 MB in the beginning and 161.9 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. * Sifa took 273.87 ms. Allocated memory is still 198.2 MB. Free memory was 161.3 MB in the beginning and 150.1 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 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]: 229, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 40, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 25, TOOLS_POST_TIME[ms]: 29, TOOLS_POST_CALL_APPLICATIONS: 11, TOOLS_POST_CALL_TIME[ms]: 62, TOOLS_POST_RETURN_APPLICATIONS: 9, TOOLS_POST_RETURN_TIME[ms]: 23, TOOLS_QUANTIFIERELIM_APPLICATIONS: 45, TOOLS_QUANTIFIERELIM_TIME[ms]: 86, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 10, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 45, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 11, DOMAIN_JOIN_TIME[ms]: 7, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 6, DOMAIN_ISBOTTOM_APPLICATIONS: 3, DOMAIN_ISBOTTOM_TIME[ms]: 6, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 84, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 83, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 9, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 10, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 21, DAG_COMPRESSION_PROCESSED_NODES: 98, DAG_COMPRESSION_RETAINED_NODES: 49 - UnprovableResult [Line: 5]: 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 74#(and (or (and (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 ~x~0))) (and (= 0 ~x~0) (= |__VERIFIER_assert_#in~cond| 1))) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...