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.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/loops/lu.cmp.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 17:19:25,800 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 17:19:25,802 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 17:19:25,815 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 17:19:25,816 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 17:19:25,817 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 17:19:25,819 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 17:19:25,821 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 17:19:25,823 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 17:19:25,824 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 17:19:25,825 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 17:19:25,826 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 17:19:25,827 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 17:19:25,828 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 17:19:25,829 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 17:19:25,830 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 17:19:25,831 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 17:19:25,832 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 17:19:25,834 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 17:19:25,836 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 17:19:25,839 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 17:19:25,840 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 17:19:25,841 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 17:19:25,842 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 17:19:25,845 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 17:19:25,846 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 17:19:25,846 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 17:19:25,847 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 17:19:25,848 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 17:19:25,853 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 17:19:25,853 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 17:19:25,854 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 17:19:25,856 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 17:19:25,857 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 17:19:25,860 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 17:19:25,860 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 17:19:25,862 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 17:19:25,862 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 17:19:25,862 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 17:19:25,863 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 17:19:25,864 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 17:19:25,867 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 [2019-09-20 17:19:25,896 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 17:19:25,896 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 17:19:25,898 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 17:19:25,898 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 17:19:25,899 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 17:19:25,899 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 17:19:25,899 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 17:19:25,899 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 17:19:25,900 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 17:19:25,900 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 17:19:25,901 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 17:19:25,901 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 17:19:25,901 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 17:19:25,902 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 17:19:25,902 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 17:19:25,902 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 17:19:25,902 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 17:19:25,903 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 17:19:25,903 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 17:19:25,903 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 17:19:25,904 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 17:19:25,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 17:19:25,904 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 17:19:25,904 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 17:19:25,905 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 17:19:25,905 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 17:19:25,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 17:19:25,905 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 17:19:25,905 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 17:19:25,952 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 17:19:25,964 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 17:19:25,967 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 17:19:25,969 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 17:19:25,969 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 17:19:25,970 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/lu.cmp.c [2019-09-20 17:19:26,032 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0949410be/720a8e9f413049a49d12321b58596ad8/FLAGe309fe264 [2019-09-20 17:19:26,489 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 17:19:26,494 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/lu.cmp.c [2019-09-20 17:19:26,503 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0949410be/720a8e9f413049a49d12321b58596ad8/FLAGe309fe264 [2019-09-20 17:19:26,874 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0949410be/720a8e9f413049a49d12321b58596ad8 [2019-09-20 17:19:26,883 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 17:19:26,885 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 17:19:26,886 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 17:19:26,886 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 17:19:26,889 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 17:19:26,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:19:26" (1/1) ... [2019-09-20 17:19:26,893 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5878aaf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:19:26, skipping insertion in model container [2019-09-20 17:19:26,893 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:19:26" (1/1) ... [2019-09-20 17:19:26,901 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 17:19:26,935 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 17:19:27,174 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:19:27,183 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 17:19:27,328 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:19:27,350 INFO L192 MainTranslator]: Completed translation [2019-09-20 17:19:27,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:19:27 WrapperNode [2019-09-20 17:19:27,351 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 17:19:27,352 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 17:19:27,352 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 17:19:27,352 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 17:19:27,363 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:19:27" (1/1) ... [2019-09-20 17:19:27,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:19:27" (1/1) ... [2019-09-20 17:19:27,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:19:27" (1/1) ... [2019-09-20 17:19:27,375 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:19:27" (1/1) ... [2019-09-20 17:19:27,391 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:19:27" (1/1) ... [2019-09-20 17:19:27,399 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:19:27" (1/1) ... [2019-09-20 17:19:27,402 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:19:27" (1/1) ... [2019-09-20 17:19:27,406 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 17:19:27,407 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 17:19:27,407 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 17:19:27,407 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 17:19:27,408 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:19:27" (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 [2019-09-20 17:19:27,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 17:19:27,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 17:19:27,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 17:19:27,470 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs [2019-09-20 17:19:27,470 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 17:19:27,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ludcmp [2019-09-20 17:19:27,471 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 17:19:27,471 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 17:19:27,471 INFO L130 BoogieDeclarations]: Found specification of procedure ludcmp [2019-09-20 17:19:27,471 INFO L130 BoogieDeclarations]: Found specification of procedure fabs [2019-09-20 17:19:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 17:19:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-09-20 17:19:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-09-20 17:19:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 17:19:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 17:19:27,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 17:19:27,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 17:19:28,142 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 17:19:28,143 INFO L283 CfgBuilder]: Removed 11 assume(true) statements. [2019-09-20 17:19:28,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:19:28 BoogieIcfgContainer [2019-09-20 17:19:28,146 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 17:19:28,147 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 17:19:28,147 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 17:19:28,147 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 17:19:28,149 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:19:28" (1/1) ... [2019-09-20 17:19:28,150 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ 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=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 17:19:28,184 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 17:19:28,184 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 17:19:28,195 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 17:19:28,209 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 17:19:28,210 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 17:19:28,465 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-20 17:19:28,697 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 48 [2019-09-20 17:19:29,101 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 50 [2019-09-20 17:19:29,115 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 56 for LOIs [2019-09-20 17:19:29,447 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2019-09-20 17:19:29,583 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-20 17:19:29,714 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-20 17:19:30,168 WARN L191 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 114 [2019-09-20 17:19:30,333 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-20 17:19:30,468 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-20 17:19:31,159 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2019-09-20 17:19:31,705 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2019-09-20 17:19:32,288 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2019-09-20 17:19:32,801 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-20 17:19:32,838 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 17:19:32,839 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 17:19:32,841 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 122#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-20 17:19:32,857 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 17:19:32,857 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 17:19:32,859 INFO L168 Benchmark]: Toolchain (without parser) took 5974.48 ms. Allocated memory was 129.0 MB in the beginning and 346.6 MB in the end (delta: 217.6 MB). Free memory was 84.9 MB in the beginning and 309.3 MB in the end (delta: -224.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 17:19:32,860 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 129.0 MB. Free memory was 103.3 MB in the beginning and 103.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 17:19:32,861 INFO L168 Benchmark]: CACSL2BoogieTranslator took 465.99 ms. Allocated memory was 129.0 MB in the beginning and 198.2 MB in the end (delta: 69.2 MB). Free memory was 84.7 MB in the beginning and 172.4 MB in the end (delta: -87.7 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2019-09-20 17:19:32,861 INFO L168 Benchmark]: Boogie Preprocessor took 54.37 ms. Allocated memory is still 198.2 MB. Free memory was 172.4 MB in the beginning and 170.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-09-20 17:19:32,862 INFO L168 Benchmark]: RCFGBuilder took 739.40 ms. Allocated memory is still 198.2 MB. Free memory was 170.4 MB in the beginning and 125.7 MB in the end (delta: 44.7 MB). Peak memory consumption was 44.7 MB. Max. memory is 7.1 GB. [2019-09-20 17:19:32,863 INFO L168 Benchmark]: Sifa took 4710.65 ms. Allocated memory was 198.2 MB in the beginning and 346.6 MB in the end (delta: 148.4 MB). Free memory was 125.7 MB in the beginning and 309.3 MB in the end (delta: -183.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 17:19:32,866 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 129.0 MB. Free memory was 103.3 MB in the beginning and 103.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 465.99 ms. Allocated memory was 129.0 MB in the beginning and 198.2 MB in the end (delta: 69.2 MB). Free memory was 84.7 MB in the beginning and 172.4 MB in the end (delta: -87.7 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 54.37 ms. Allocated memory is still 198.2 MB. Free memory was 172.4 MB in the beginning and 170.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 739.40 ms. Allocated memory is still 198.2 MB. Free memory was 170.4 MB in the beginning and 125.7 MB in the end (delta: 44.7 MB). Peak memory consumption was 44.7 MB. Max. memory is 7.1 GB. * Sifa took 4710.65 ms. Allocated memory was 198.2 MB in the beginning and 346.6 MB in the end (delta: 148.4 MB). Free memory was 125.7 MB in the beginning and 309.3 MB in the end (delta: -183.6 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 4657, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 31, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 24, TOOLS_POST_TIME[ms]: 1621, TOOLS_POST_CALL_APPLICATIONS: 4, TOOLS_POST_CALL_TIME[ms]: 32, TOOLS_POST_RETURN_APPLICATIONS: 2, TOOLS_POST_RETURN_TIME[ms]: 6, TOOLS_QUANTIFIERELIM_APPLICATIONS: 30, TOOLS_QUANTIFIERELIM_TIME[ms]: 1630, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 493, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 41, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 14, DOMAIN_JOIN_TIME[ms]: 1220, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 6, DOMAIN_WIDEN_APPLICATIONS: 7, DOMAIN_WIDEN_TIME[ms]: 1643, DOMAIN_ISSUBSETEQ_APPLICATIONS: 10, DOMAIN_ISSUBSETEQ_TIME[ms]: 25, DOMAIN_ISBOTTOM_APPLICATIONS: 1, DOMAIN_ISBOTTOM_TIME[ms]: 1, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 3673, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3673, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 10, CALL_SUMMARIZER_APPLICATIONS: 2, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 849, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 848, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 23, DAG_COMPRESSION_PROCESSED_NODES: 60, DAG_COMPRESSION_RETAINED_NODES: 38 - 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 122#(and (= 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...