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/trex02-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 18:23:37,485 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 18:23:37,487 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 18:23:37,498 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 18:23:37,499 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 18:23:37,500 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 18:23:37,502 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 18:23:37,514 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 18:23:37,516 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 18:23:37,516 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 18:23:37,518 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 18:23:37,520 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 18:23:37,520 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 18:23:37,523 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 18:23:37,524 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 18:23:37,525 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 18:23:37,525 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 18:23:37,530 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 18:23:37,533 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 18:23:37,536 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 18:23:37,540 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 18:23:37,541 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 18:23:37,542 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 18:23:37,543 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 18:23:37,547 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 18:23:37,547 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 18:23:37,547 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 18:23:37,549 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 18:23:37,550 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 18:23:37,553 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 18:23:37,553 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 18:23:37,555 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 18:23:37,555 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 18:23:37,556 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 18:23:37,560 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 18:23:37,560 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 18:23:37,561 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 18:23:37,561 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 18:23:37,561 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 18:23:37,563 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 18:23:37,566 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 18:23:37,567 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 18:23:37,588 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 18:23:37,588 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 18:23:37,591 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 18:23:37,591 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 18:23:37,591 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 18:23:37,591 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 18:23:37,591 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 18:23:37,592 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 18:23:37,592 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 18:23:37,592 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 18:23:37,593 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 18:23:37,593 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 18:23:37,593 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 18:23:37,594 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 18:23:37,594 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 18:23:37,594 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 18:23:37,594 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 18:23:37,595 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 18:23:37,595 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 18:23:37,595 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 18:23:37,595 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 18:23:37,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 18:23:37,596 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 18:23:37,596 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 18:23:37,596 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 18:23:37,596 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 18:23:37,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 18:23:37,597 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 18:23:37,597 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 [2019-09-20 18:23:37,646 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 18:23:37,659 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 18:23:37,665 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 18:23:37,666 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 18:23:37,667 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 18:23:37,668 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/trex02-2.c [2019-09-20 18:23:37,739 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49f6eedfa/524cbebe583d4ffb96a665261e817115/FLAG6d1c891e0 [2019-09-20 18:23:38,207 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 18:23:38,207 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/trex02-2.c [2019-09-20 18:23:38,215 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49f6eedfa/524cbebe583d4ffb96a665261e817115/FLAG6d1c891e0 [2019-09-20 18:23:38,649 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49f6eedfa/524cbebe583d4ffb96a665261e817115 [2019-09-20 18:23:38,657 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 18:23:38,658 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 18:23:38,659 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 18:23:38,659 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 18:23:38,662 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 18:23:38,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:23:38" (1/1) ... [2019-09-20 18:23:38,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a4692d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:23:38, skipping insertion in model container [2019-09-20 18:23:38,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:23:38" (1/1) ... [2019-09-20 18:23:38,676 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 18:23:38,690 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 18:23:38,876 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:23:38,880 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 18:23:38,892 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:23:38,906 INFO L192 MainTranslator]: Completed translation [2019-09-20 18:23:38,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:23:38 WrapperNode [2019-09-20 18:23:38,906 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 18:23:38,907 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 18:23:38,907 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 18:23:38,908 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 18:23:39,009 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:23:38" (1/1) ... [2019-09-20 18:23:39,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:23:38" (1/1) ... [2019-09-20 18:23:39,014 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:23:38" (1/1) ... [2019-09-20 18:23:39,014 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:23:38" (1/1) ... [2019-09-20 18:23:39,018 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:23:38" (1/1) ... [2019-09-20 18:23:39,022 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:23:38" (1/1) ... [2019-09-20 18:23:39,023 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:23:38" (1/1) ... [2019-09-20 18:23:39,025 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 18:23:39,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 18:23:39,025 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 18:23:39,025 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 18:23:39,026 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:23:38" (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 18:23:39,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 18:23:39,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 18:23:39,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 18:23:39,075 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-09-20 18:23:39,075 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 18:23:39,075 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 18:23:39,076 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 18:23:39,076 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-20 18:23:39,076 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 18:23:39,076 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-09-20 18:23:39,076 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 18:23:39,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 18:23:39,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 18:23:39,252 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 18:23:39,252 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 18:23:39,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:23:39 BoogieIcfgContainer [2019-09-20 18:23:39,254 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 18:23:39,254 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 18:23:39,255 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 18:23:39,255 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 18:23:39,256 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:23:39" (1/1) ... [2019-09-20 18:23:39,257 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 [2019-09-20 18:23:39,282 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 18:23:39,282 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 18:23:39,292 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 18:23:39,301 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 18:23:39,304 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 18:23:39,403 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 6 for LOIs [2019-09-20 18:23:39,810 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 14 for LOIs [2019-09-20 18:23:39,859 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 18:23:39,859 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 18:23:39,862 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 85#(and (not (= 0 ~x~0)) (not (< 0 ~x~0)) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-20 18:23:39,881 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 18:23:39,881 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 18:23:39,886 INFO L168 Benchmark]: Toolchain (without parser) took 1224.94 ms. Allocated memory was 132.1 MB in the beginning and 199.8 MB in the end (delta: 67.6 MB). Free memory was 87.8 MB in the beginning and 124.9 MB in the end (delta: -37.0 MB). Peak memory consumption was 30.6 MB. Max. memory is 7.1 GB. [2019-09-20 18:23:39,888 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 132.1 MB. Free memory was 106.5 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 18:23:39,889 INFO L168 Benchmark]: CACSL2BoogieTranslator took 248.03 ms. Allocated memory is still 132.1 MB. Free memory was 87.6 MB in the beginning and 78.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-09-20 18:23:39,890 INFO L168 Benchmark]: Boogie Preprocessor took 117.53 ms. Allocated memory was 132.1 MB in the beginning and 199.8 MB in the end (delta: 67.6 MB). Free memory was 78.4 MB in the beginning and 176.6 MB in the end (delta: -98.3 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-09-20 18:23:39,891 INFO L168 Benchmark]: RCFGBuilder took 229.01 ms. Allocated memory is still 199.8 MB. Free memory was 176.6 MB in the beginning and 163.4 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. [2019-09-20 18:23:39,892 INFO L168 Benchmark]: Sifa took 627.04 ms. Allocated memory is still 199.8 MB. Free memory was 163.4 MB in the beginning and 124.9 MB in the end (delta: 38.6 MB). Peak memory consumption was 38.6 MB. Max. memory is 7.1 GB. [2019-09-20 18:23:39,896 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 132.1 MB. Free memory was 106.5 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 248.03 ms. Allocated memory is still 132.1 MB. Free memory was 87.6 MB in the beginning and 78.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.53 ms. Allocated memory was 132.1 MB in the beginning and 199.8 MB in the end (delta: 67.6 MB). Free memory was 78.4 MB in the beginning and 176.6 MB in the end (delta: -98.3 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 229.01 ms. Allocated memory is still 199.8 MB. Free memory was 176.6 MB in the beginning and 163.4 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. * Sifa took 627.04 ms. Allocated memory is still 199.8 MB. Free memory was 163.4 MB in the beginning and 124.9 MB in the end (delta: 38.6 MB). Peak memory consumption was 38.6 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]: 580, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 46, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 31, TOOLS_POST_TIME[ms]: 32, TOOLS_POST_CALL_APPLICATIONS: 11, TOOLS_POST_CALL_TIME[ms]: 63, TOOLS_POST_RETURN_APPLICATIONS: 9, TOOLS_POST_RETURN_TIME[ms]: 18, TOOLS_QUANTIFIERELIM_APPLICATIONS: 51, TOOLS_QUANTIFIERELIM_TIME[ms]: 77, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11, FLUID_QUERY_TIME[ms]: 15, FLUID_QUERIES: 51, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 15, DOMAIN_JOIN_TIME[ms]: 284, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 51, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 5, DOMAIN_ISBOTTOM_APPLICATIONS: 5, DOMAIN_ISBOTTOM_TIME[ms]: 13, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 195, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 194, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 9, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 23, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 22, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 29, DAG_COMPRESSION_PROCESSED_NODES: 116, DAG_COMPRESSION_RETAINED_NODES: 55 - 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 85#(and (not (= 0 ~x~0)) (not (< 0 ~x~0)) (= 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...