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 SingleStatement --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/reducercommutativity/avg05-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 19:24:51,641 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 19:24:51,643 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 19:24:51,660 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 19:24:51,660 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 19:24:51,661 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 19:24:51,663 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 19:24:51,664 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 19:24:51,666 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 19:24:51,667 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 19:24:51,668 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 19:24:51,669 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 19:24:51,669 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 19:24:51,670 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 19:24:51,671 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 19:24:51,672 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 19:24:51,673 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 19:24:51,674 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 19:24:51,676 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 19:24:51,678 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 19:24:51,680 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 19:24:51,681 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 19:24:51,684 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 19:24:51,685 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 19:24:51,689 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 19:24:51,694 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 19:24:51,694 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 19:24:51,695 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 19:24:51,696 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 19:24:51,697 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 19:24:51,697 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 19:24:51,698 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 19:24:51,698 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 19:24:51,698 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 19:24:51,699 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 19:24:51,701 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 19:24:51,702 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 19:24:51,724 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 19:24:51,724 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 19:24:51,726 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 19:24:51,726 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 19:24:51,726 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 19:24:51,727 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 19:24:51,727 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 19:24:51,727 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 19:24:51,727 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 19:24:51,728 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 19:24:51,728 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 19:24:51,728 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 19:24:51,729 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 19:24:51,729 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 19:24:51,729 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 19:24:51,730 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 19:24:51,730 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 19:24:51,730 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 19:24:51,730 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 19:24:51,730 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 19:24:51,731 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 19:24:51,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 19:24:51,731 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 19:24:51,732 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 19:24:51,732 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 19:24:51,732 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 19:24:51,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 19:24:51,732 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 19:24:51,733 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 -> SingleStatement 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 19:24:51,776 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 19:24:51,789 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 19:24:51,795 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 19:24:51,796 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 19:24:51,796 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 19:24:51,797 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/avg05-1.i [2019-09-20 19:24:51,866 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a06f242ad/92e378fef9da401fb5bf6745f6d755c5/FLAG9d55b8eec [2019-09-20 19:24:52,318 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 19:24:52,320 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/avg05-1.i [2019-09-20 19:24:52,327 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a06f242ad/92e378fef9da401fb5bf6745f6d755c5/FLAG9d55b8eec [2019-09-20 19:24:52,701 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a06f242ad/92e378fef9da401fb5bf6745f6d755c5 [2019-09-20 19:24:52,711 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 19:24:52,713 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 19:24:52,714 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 19:24:52,714 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 19:24:52,717 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 19:24:52,718 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:24:52" (1/1) ... [2019-09-20 19:24:52,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42080329 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:24:52, skipping insertion in model container [2019-09-20 19:24:52,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:24:52" (1/1) ... [2019-09-20 19:24:52,728 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 19:24:52,745 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 19:24:52,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:24:52,942 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 19:24:52,963 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:24:53,064 INFO L192 MainTranslator]: Completed translation [2019-09-20 19:24:53,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:24:53 WrapperNode [2019-09-20 19:24:53,064 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 19:24:53,065 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 19:24:53,065 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 19:24:53,065 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 19:24:53,075 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:24:53" (1/1) ... [2019-09-20 19:24:53,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:24:53" (1/1) ... [2019-09-20 19:24:53,081 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:24:53" (1/1) ... [2019-09-20 19:24:53,081 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:24:53" (1/1) ... [2019-09-20 19:24:53,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:24:53" (1/1) ... [2019-09-20 19:24:53,097 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:24:53" (1/1) ... [2019-09-20 19:24:53,100 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:24:53" (1/1) ... [2019-09-20 19:24:53,102 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 19:24:53,102 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 19:24:53,103 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 19:24:53,103 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 19:24:53,103 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:24:53" (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 19:24:53,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 19:24:53,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 19:24:53,158 INFO L138 BoogieDeclarations]: Found implementation of procedure avg [2019-09-20 19:24:53,158 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 19:24:53,159 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 19:24:53,159 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 19:24:53,159 INFO L130 BoogieDeclarations]: Found specification of procedure avg [2019-09-20 19:24:53,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 19:24:53,159 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 19:24:53,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 19:24:53,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 19:24:53,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 19:24:53,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 19:24:53,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 19:24:53,515 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 19:24:53,515 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-20 19:24:53,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:24:53 BoogieIcfgContainer [2019-09-20 19:24:53,516 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 19:24:53,517 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 19:24:53,517 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 19:24:53,517 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 19:24:53,518 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:24:53" (1/1) ... [2019-09-20 19:24:53,519 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 19:24:53,538 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 19:24:53,538 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 19:24:53,545 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 19:24:53,552 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 19:24:53,553 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 19:24:53,694 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 17 for LOIs [2019-09-20 19:24:54,387 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 93 [2019-09-20 19:24:54,642 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 115 [2019-09-20 19:24:55,082 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-09-20 19:24:56,269 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-09-20 19:24:56,494 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 19:24:56,494 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 19:24:56,496 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 242#(and (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (or (not (= main_~ret~1 main_~ret2~0)) (not (= main_~ret~1 main_~ret5~0)))) [2019-09-20 19:24:56,507 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 19:24:56,507 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 19:24:56,509 INFO L168 Benchmark]: Toolchain (without parser) took 3796.62 ms. Allocated memory was 134.7 MB in the beginning and 257.9 MB in the end (delta: 123.2 MB). Free memory was 89.2 MB in the beginning and 208.6 MB in the end (delta: -119.3 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-09-20 19:24:56,510 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 134.7 MB. Free memory was 107.8 MB in the beginning and 107.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 19:24:56,511 INFO L168 Benchmark]: CACSL2BoogieTranslator took 350.74 ms. Allocated memory was 134.7 MB in the beginning and 201.3 MB in the end (delta: 66.6 MB). Free memory was 89.0 MB in the beginning and 178.3 MB in the end (delta: -89.3 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2019-09-20 19:24:56,512 INFO L168 Benchmark]: Boogie Preprocessor took 37.26 ms. Allocated memory is still 201.3 MB. Free memory was 178.3 MB in the beginning and 176.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-09-20 19:24:56,512 INFO L168 Benchmark]: RCFGBuilder took 413.92 ms. Allocated memory is still 201.3 MB. Free memory was 176.2 MB in the beginning and 156.4 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. [2019-09-20 19:24:56,516 INFO L168 Benchmark]: Sifa took 2991.00 ms. Allocated memory was 201.3 MB in the beginning and 257.9 MB in the end (delta: 56.6 MB). Free memory was 156.4 MB in the beginning and 208.6 MB in the end (delta: -52.1 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-09-20 19:24:56,524 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 134.7 MB. Free memory was 107.8 MB in the beginning and 107.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 350.74 ms. Allocated memory was 134.7 MB in the beginning and 201.3 MB in the end (delta: 66.6 MB). Free memory was 89.0 MB in the beginning and 178.3 MB in the end (delta: -89.3 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 37.26 ms. Allocated memory is still 201.3 MB. Free memory was 178.3 MB in the beginning and 176.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 413.92 ms. Allocated memory is still 201.3 MB. Free memory was 176.2 MB in the beginning and 156.4 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. * Sifa took 2991.00 ms. Allocated memory was 201.3 MB in the beginning and 257.9 MB in the end (delta: 56.6 MB). Free memory was 156.4 MB in the beginning and 208.6 MB in the end (delta: -52.1 MB). Peak memory consumption was 4.5 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]: 2958, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 173, DAG_INTERPRETER_EARLY_EXITS: 3, TOOLS_POST_APPLICATIONS: 162, TOOLS_POST_TIME[ms]: 686, TOOLS_POST_CALL_APPLICATIONS: 7, TOOLS_POST_CALL_TIME[ms]: 706, TOOLS_POST_RETURN_APPLICATIONS: 6, TOOLS_POST_RETURN_TIME[ms]: 98, TOOLS_QUANTIFIERELIM_APPLICATIONS: 175, TOOLS_QUANTIFIERELIM_TIME[ms]: 1418, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 373, FLUID_QUERY_TIME[ms]: 8, FLUID_QUERIES: 184, FLUID_YES_ANSWERS: 5, DOMAIN_JOIN_APPLICATIONS: 19, DOMAIN_JOIN_TIME[ms]: 416, DOMAIN_ALPHA_APPLICATIONS: 5, DOMAIN_ALPHA_TIME[ms]: 5, DOMAIN_WIDEN_APPLICATIONS: 8, DOMAIN_WIDEN_TIME[ms]: 855, DOMAIN_ISSUBSETEQ_APPLICATIONS: 11, DOMAIN_ISSUBSETEQ_TIME[ms]: 42, DOMAIN_ISBOTTOM_APPLICATIONS: 10, DOMAIN_ISBOTTOM_TIME[ms]: 20, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1673, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1673, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 11, CALL_SUMMARIZER_APPLICATIONS: 6, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 364, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 363, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 60, DAG_COMPRESSION_PROCESSED_NODES: 523, DAG_COMPRESSION_RETAINED_NODES: 240 - UnprovableResult [Line: 39]: 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 242#(and (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (or (not (= main_~ret~1 main_~ret2~0)) (not (= main_~ret~1 main_~ret5~0)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...