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 --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/loop-lit/css2003.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:09:42,845 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:09:42,847 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:09:42,859 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:09:42,859 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:09:42,860 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:09:42,862 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:09:42,866 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:09:42,867 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:09:42,868 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:09:42,871 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:09:42,874 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:09:42,874 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:09:42,875 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:09:42,881 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:09:42,883 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:09:42,887 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:09:42,889 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:09:42,891 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:09:42,894 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:09:42,898 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:09:42,899 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:09:42,900 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:09:42,903 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:09:42,906 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:09:42,906 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:09:42,907 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:09:42,909 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:09:42,910 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:09:42,913 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:09:42,913 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:09:42,914 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:09:42,915 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:09:42,916 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:09:42,921 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:09:42,921 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:09:42,922 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:09:42,922 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:09:42,922 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:09:42,924 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:09:42,927 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:09:42,929 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 [2019-09-21 09:09:42,951 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:09:42,952 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:09:42,953 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:09:42,954 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:09:42,954 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:09:42,954 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:09:42,954 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:09:42,954 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:09:42,955 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:09:42,955 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:09:42,955 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:09:42,955 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:09:42,955 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:09:42,956 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:09:42,956 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:09:42,956 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:09:42,956 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:09:42,957 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:09:42,957 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:09:42,957 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:09:42,957 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:09:42,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:09:42,958 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:09:42,958 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:09:42,958 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:09:42,958 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:09:42,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:09:42,959 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:09:42,959 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain 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_QUICK [2019-09-21 09:09:42,991 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:09:43,008 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:09:43,011 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:09:43,013 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:09:43,013 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:09:43,014 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/css2003.i [2019-09-21 09:09:43,089 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dac0d114/6716aedef4b448c8a4486169b57f18ba/FLAGa24a28291 [2019-09-21 09:09:43,556 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:09:43,558 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/css2003.i [2019-09-21 09:09:43,565 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dac0d114/6716aedef4b448c8a4486169b57f18ba/FLAGa24a28291 [2019-09-21 09:09:43,986 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dac0d114/6716aedef4b448c8a4486169b57f18ba [2019-09-21 09:09:43,998 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:09:44,000 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:09:44,001 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:09:44,001 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:09:44,005 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:09:44,005 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:09:43" (1/1) ... [2019-09-21 09:09:44,008 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67868f6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:44, skipping insertion in model container [2019-09-21 09:09:44,008 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:09:43" (1/1) ... [2019-09-21 09:09:44,015 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:09:44,030 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:09:44,206 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:09:44,211 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:09:44,226 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:09:44,239 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:09:44,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:44 WrapperNode [2019-09-21 09:09:44,239 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:09:44,240 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:09:44,240 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:09:44,240 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:09:44,344 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:44" (1/1) ... [2019-09-21 09:09:44,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:44" (1/1) ... [2019-09-21 09:09:44,353 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:44" (1/1) ... [2019-09-21 09:09:44,353 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:44" (1/1) ... [2019-09-21 09:09:44,356 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:44" (1/1) ... [2019-09-21 09:09:44,361 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:44" (1/1) ... [2019-09-21 09:09:44,362 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:44" (1/1) ... [2019-09-21 09:09:44,363 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:09:44,364 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:09:44,364 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:09:44,364 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:09:44,365 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:44" (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 [2019-09-21 09:09:44,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:09:44,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:09:44,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-21 09:09:44,424 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:09:44,424 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:09:44,424 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-21 09:09:44,424 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-21 09:09:44,424 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 09:09:44,424 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:09:44,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:09:44,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:09:44,619 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:09:44,619 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-21 09:09:44,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:09:44 BoogieIcfgContainer [2019-09-21 09:09:44,621 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:09:44,622 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:09:44,622 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:09:44,631 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:09:44,633 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:09:44" (1/1) ... [2019-09-21 09:09:44,633 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 09:09:44,652 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:09:44,652 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:09:44,659 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:09:44,668 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:09:44,670 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:09:44,760 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-21 09:09:44,911 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-21 09:09:44,917 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 09:09:44,917 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 09:09:44,919 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 31#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) [2019-09-21 09:09:44,938 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 09:09:44,938 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 09:09:44,940 INFO L168 Benchmark]: Toolchain (without parser) took 939.84 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 87.5 MB in the beginning and 151.5 MB in the end (delta: -64.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-21 09:09:44,941 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 09:09:44,942 INFO L168 Benchmark]: CACSL2BoogieTranslator took 238.55 ms. Allocated memory is still 139.5 MB. Free memory was 87.3 MB in the beginning and 78.0 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-09-21 09:09:44,943 INFO L168 Benchmark]: Boogie Preprocessor took 123.22 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 78.0 MB in the beginning and 177.2 MB in the end (delta: -99.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-09-21 09:09:44,944 INFO L168 Benchmark]: RCFGBuilder took 257.52 ms. Allocated memory is still 199.2 MB. Free memory was 177.2 MB in the beginning and 164.2 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. [2019-09-21 09:09:44,945 INFO L168 Benchmark]: Sifa took 316.76 ms. Allocated memory is still 199.2 MB. Free memory was 164.2 MB in the beginning and 151.5 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. [2019-09-21 09:09:44,949 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 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 238.55 ms. Allocated memory is still 139.5 MB. Free memory was 87.3 MB in the beginning and 78.0 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.22 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 78.0 MB in the beginning and 177.2 MB in the end (delta: -99.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 257.52 ms. Allocated memory is still 199.2 MB. Free memory was 177.2 MB in the beginning and 164.2 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. * Sifa took 316.76 ms. Allocated memory is still 199.2 MB. Free memory was 164.2 MB in the beginning and 151.5 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 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]: 268, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 20, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 14, TOOLS_POST_TIME[ms]: 40, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 46, TOOLS_POST_RETURN_APPLICATIONS: 3, TOOLS_POST_RETURN_TIME[ms]: 5, TOOLS_QUANTIFIERELIM_APPLICATIONS: 22, TOOLS_QUANTIFIERELIM_TIME[ms]: 74, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 16, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 22, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 6, DOMAIN_JOIN_TIME[ms]: 86, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 3, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 5, DOMAIN_ISBOTTOM_APPLICATIONS: 1, DOMAIN_ISBOTTOM_TIME[ms]: 2, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 116, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 115, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 3, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 63, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 62, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 21, DAG_COMPRESSION_PROCESSED_NODES: 54, DAG_COMPRESSION_RETAINED_NODES: 32 - 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 31#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...