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 SequenceOfStatements --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/loops/string-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 02:39:53,841 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 02:39:53,844 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 02:39:53,859 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 02:39:53,860 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 02:39:53,861 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 02:39:53,862 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 02:39:53,864 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 02:39:53,866 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 02:39:53,867 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 02:39:53,868 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 02:39:53,869 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 02:39:53,869 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 02:39:53,872 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 02:39:53,873 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 02:39:53,876 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 02:39:53,876 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 02:39:53,877 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 02:39:53,882 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 02:39:53,886 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 02:39:53,891 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 02:39:53,893 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 02:39:53,896 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 02:39:53,897 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 02:39:53,901 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-18 02:39:53,907 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 02:39:53,909 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 02:39:53,910 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 02:39:53,911 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 02:39:53,913 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 02:39:53,913 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 02:39:53,914 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 02:39:53,914 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 02:39:53,915 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 02:39:53,915 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 02:39:53,916 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 02:39:53,918 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 [2019-09-18 02:39:53,940 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 02:39:53,941 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 02:39:53,943 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 02:39:53,943 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 02:39:53,943 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 02:39:53,944 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 02:39:53,944 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 02:39:53,944 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 02:39:53,944 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 02:39:53,944 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 02:39:53,945 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 02:39:53,946 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 02:39:53,946 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 02:39:53,946 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 02:39:53,946 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 02:39:53,947 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 02:39:53,947 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 02:39:53,947 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 02:39:53,947 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 02:39:53,947 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 02:39:53,948 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 02:39:53,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 02:39:53,948 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 02:39:53,948 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 02:39:53,948 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 02:39:53,949 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 02:39:53,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 02:39:53,949 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 02:39:53,949 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 -> SequenceOfStatements 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 [2019-09-18 02:39:54,013 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 02:39:54,025 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 02:39:54,028 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 02:39:54,029 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 02:39:54,030 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 02:39:54,031 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/string-2.i [2019-09-18 02:39:54,091 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0809ef0c8/3152be000c174a0fb59ee631039e5b7d/FLAG0a1b1f46f [2019-09-18 02:39:54,510 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 02:39:54,510 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/string-2.i [2019-09-18 02:39:54,517 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0809ef0c8/3152be000c174a0fb59ee631039e5b7d/FLAG0a1b1f46f [2019-09-18 02:39:54,935 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0809ef0c8/3152be000c174a0fb59ee631039e5b7d [2019-09-18 02:39:54,944 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 02:39:54,945 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 02:39:54,946 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 02:39:54,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 02:39:54,950 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 02:39:54,951 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 02:39:54" (1/1) ... [2019-09-18 02:39:54,954 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@521750fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:39:54, skipping insertion in model container [2019-09-18 02:39:54,954 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 02:39:54" (1/1) ... [2019-09-18 02:39:54,962 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 02:39:54,981 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 02:39:55,179 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 02:39:55,184 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 02:39:55,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 02:39:55,316 INFO L192 MainTranslator]: Completed translation [2019-09-18 02:39:55,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:39:55 WrapperNode [2019-09-18 02:39:55,317 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 02:39:55,318 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 02:39:55,318 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 02:39:55,318 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 02:39:55,328 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:39:55" (1/1) ... [2019-09-18 02:39:55,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:39:55" (1/1) ... [2019-09-18 02:39:55,338 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:39:55" (1/1) ... [2019-09-18 02:39:55,338 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:39:55" (1/1) ... [2019-09-18 02:39:55,349 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:39:55" (1/1) ... [2019-09-18 02:39:55,356 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:39:55" (1/1) ... [2019-09-18 02:39:55,358 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:39:55" (1/1) ... [2019-09-18 02:39:55,361 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 02:39:55,362 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 02:39:55,362 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 02:39:55,362 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 02:39:55,363 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:39:55" (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 [2019-09-18 02:39:55,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 02:39:55,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 02:39:55,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-18 02:39:55,426 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 02:39:55,426 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 02:39:55,426 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-18 02:39:55,426 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-18 02:39:55,426 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-18 02:39:55,426 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 02:39:55,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 02:39:55,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 02:39:55,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 02:39:55,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 02:39:55,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 02:39:55,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 02:39:55,770 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 02:39:55,770 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-18 02:39:55,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 02:39:55 BoogieIcfgContainer [2019-09-18 02:39:55,772 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 02:39:55,772 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 02:39:55,772 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 02:39:55,773 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 02:39:55,774 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 02:39:55" (1/1) ... [2019-09-18 02:39:55,775 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=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 02:39:55,797 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 02:39:55,797 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 02:39:55,806 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 02:39:55,822 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 02:39:55,823 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 02:39:55,981 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 17 for LOIs [2019-09-18 02:39:58,231 WARN L191 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 99 [2019-09-18 02:39:58,700 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2019-09-18 02:39:59,624 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2019-09-18 02:40:00,070 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-09-18 02:40:00,503 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-18 02:40:00,524 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 02:40:00,524 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 02:40:00,526 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 173#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-18 02:40:00,542 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 02:40:00,542 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 02:40:00,544 INFO L168 Benchmark]: Toolchain (without parser) took 5598.96 ms. Allocated memory was 141.0 MB in the beginning and 256.9 MB in the end (delta: 115.9 MB). Free memory was 88.3 MB in the beginning and 166.7 MB in the end (delta: -78.4 MB). Peak memory consumption was 37.4 MB. Max. memory is 7.1 GB. [2019-09-18 02:40:00,546 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 141.0 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-18 02:40:00,547 INFO L168 Benchmark]: CACSL2BoogieTranslator took 370.95 ms. Allocated memory was 141.0 MB in the beginning and 199.2 MB in the end (delta: 58.2 MB). Free memory was 88.1 MB in the beginning and 176.7 MB in the end (delta: -88.6 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. [2019-09-18 02:40:00,547 INFO L168 Benchmark]: Boogie Preprocessor took 43.67 ms. Allocated memory is still 199.2 MB. Free memory was 176.7 MB in the beginning and 174.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-09-18 02:40:00,548 INFO L168 Benchmark]: RCFGBuilder took 410.36 ms. Allocated memory is still 199.2 MB. Free memory was 174.0 MB in the beginning and 156.4 MB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 7.1 GB. [2019-09-18 02:40:00,549 INFO L168 Benchmark]: Sifa took 4770.25 ms. Allocated memory was 199.2 MB in the beginning and 256.9 MB in the end (delta: 57.7 MB). Free memory was 155.8 MB in the beginning and 166.7 MB in the end (delta: -10.9 MB). Peak memory consumption was 46.7 MB. Max. memory is 7.1 GB. [2019-09-18 02:40:00,553 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 141.0 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 370.95 ms. Allocated memory was 141.0 MB in the beginning and 199.2 MB in the end (delta: 58.2 MB). Free memory was 88.1 MB in the beginning and 176.7 MB in the end (delta: -88.6 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.67 ms. Allocated memory is still 199.2 MB. Free memory was 176.7 MB in the beginning and 174.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 410.36 ms. Allocated memory is still 199.2 MB. Free memory was 174.0 MB in the beginning and 156.4 MB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 7.1 GB. * Sifa took 4770.25 ms. Allocated memory was 199.2 MB in the beginning and 256.9 MB in the end (delta: 57.7 MB). Free memory was 155.8 MB in the beginning and 166.7 MB in the end (delta: -10.9 MB). Peak memory consumption was 46.7 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]: 4729, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 78, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 68, TOOLS_POST_TIME[ms]: 616, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 19, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 2, TOOLS_QUANTIFIERELIM_APPLICATIONS: 70, TOOLS_QUANTIFIERELIM_TIME[ms]: 599, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 270, FLUID_QUERY_TIME[ms]: 7, FLUID_QUERIES: 94, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 31, DOMAIN_JOIN_TIME[ms]: 1048, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 11, DOMAIN_WIDEN_TIME[ms]: 2869, DOMAIN_ISSUBSETEQ_APPLICATIONS: 16, DOMAIN_ISSUBSETEQ_TIME[ms]: 29, DOMAIN_ISBOTTOM_APPLICATIONS: 11, DOMAIN_ISBOTTOM_TIME[ms]: 15, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 4263, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4262, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 16, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 103, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 103, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 44, DAG_COMPRESSION_PROCESSED_NODES: 306, DAG_COMPRESSION_RETAINED_NODES: 148 - UnprovableResult [Line: 6]: 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 173#(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...