java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/reducercommutativity/avg05-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 17:23:19,417 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 17:23:19,419 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 17:23:19,430 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 17:23:19,431 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 17:23:19,432 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 17:23:19,433 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 17:23:19,435 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 17:23:19,436 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 17:23:19,437 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 17:23:19,438 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 17:23:19,439 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 17:23:19,440 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 17:23:19,441 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 17:23:19,441 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 17:23:19,443 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 17:23:19,443 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 17:23:19,444 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 17:23:19,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 17:23:19,448 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 17:23:19,450 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 17:23:19,451 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 17:23:19,452 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 17:23:19,453 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 17:23:19,455 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 17:23:19,456 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 17:23:19,456 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 17:23:19,457 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 17:23:19,457 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 17:23:19,458 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 17:23:19,458 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 17:23:19,459 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 17:23:19,460 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 17:23:19,461 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 17:23:19,462 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 17:23:19,462 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 17:23:19,463 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 17:23:19,463 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 17:23:19,463 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 17:23:19,464 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 17:23:19,465 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 17:23:19,465 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 17:23:19,480 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 17:23:19,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 17:23:19,481 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 17:23:19,481 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 17:23:19,482 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 17:23:19,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 17:23:19,482 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 17:23:19,482 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 17:23:19,483 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 17:23:19,483 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 17:23:19,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 17:23:19,483 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 17:23:19,483 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 17:23:19,484 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 17:23:19,484 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 17:23:19,484 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 17:23:19,484 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 17:23:19,484 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 17:23:19,484 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 17:23:19,485 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 17:23:19,485 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 17:23:19,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 17:23:19,485 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 17:23:19,485 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 17:23:19,486 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 17:23:19,486 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 17:23:19,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 17:23:19,486 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 17:23:19,486 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 17:23:19,516 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 17:23:19,530 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 17:23:19,534 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 17:23:19,536 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 17:23:19,536 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 17:23:19,537 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/avg05-1.i [2019-09-20 17:23:19,592 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/932233ecd/024bd8b39fca4da582ce3956adb3ff7c/FLAGf8c786f61 [2019-09-20 17:23:19,975 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 17:23:19,976 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/avg05-1.i [2019-09-20 17:23:19,981 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/932233ecd/024bd8b39fca4da582ce3956adb3ff7c/FLAGf8c786f61 [2019-09-20 17:23:20,414 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/932233ecd/024bd8b39fca4da582ce3956adb3ff7c [2019-09-20 17:23:20,424 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 17:23:20,425 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 17:23:20,426 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 17:23:20,427 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 17:23:20,430 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 17:23:20,431 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:23:20" (1/1) ... [2019-09-20 17:23:20,434 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eaef6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:20, skipping insertion in model container [2019-09-20 17:23:20,434 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:23:20" (1/1) ... [2019-09-20 17:23:20,441 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 17:23:20,459 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 17:23:20,644 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:23:20,653 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 17:23:20,674 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:23:20,787 INFO L192 MainTranslator]: Completed translation [2019-09-20 17:23:20,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:20 WrapperNode [2019-09-20 17:23:20,788 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 17:23:20,789 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 17:23:20,789 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 17:23:20,789 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 17:23:20,801 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:20" (1/1) ... [2019-09-20 17:23:20,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:20" (1/1) ... [2019-09-20 17:23:20,809 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:20" (1/1) ... [2019-09-20 17:23:20,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:20" (1/1) ... [2019-09-20 17:23:20,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:20" (1/1) ... [2019-09-20 17:23:20,830 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:20" (1/1) ... [2019-09-20 17:23:20,835 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:20" (1/1) ... [2019-09-20 17:23:20,843 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 17:23:20,843 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 17:23:20,843 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 17:23:20,844 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 17:23:20,845 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 17:23:20,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 17:23:20,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 17:23:20,921 INFO L138 BoogieDeclarations]: Found implementation of procedure avg [2019-09-20 17:23:20,921 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 17:23:20,921 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 17:23:20,922 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 17:23:20,923 INFO L130 BoogieDeclarations]: Found specification of procedure avg [2019-09-20 17:23:20,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 17:23:20,924 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 17:23:20,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 17:23:20,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 17:23:20,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 17:23:20,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 17:23:20,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 17:23:21,404 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 17:23:21,404 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-20 17:23:21,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:23:21 BoogieIcfgContainer [2019-09-20 17:23:21,406 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 17:23:21,406 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 17:23:21,406 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 17:23:21,406 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 17:23:21,408 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:23:21" (1/1) ... [2019-09-20 17:23:21,409 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 17:23:21,439 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 17:23:21,439 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 17:23:21,448 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 17:23:21,459 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 17:23:21,460 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 17:23:21,762 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 19 for LOIs [2019-09-20 17:23:23,595 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 17:23:24,705 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 77 [2019-09-20 17:23:25,727 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 24 [2019-09-20 17:23:26,351 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 17:23:26,355 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 17:23:26,414 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 17:23:26,415 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 17:23:26,417 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 136#(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 17:23:26,429 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 17:23:26,429 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 17:23:26,431 INFO L168 Benchmark]: Toolchain (without parser) took 6005.29 ms. Allocated memory was 134.7 MB in the beginning and 253.8 MB in the end (delta: 119.0 MB). Free memory was 89.3 MB in the beginning and 192.8 MB in the end (delta: -103.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 7.1 GB. [2019-09-20 17:23:26,432 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 134.7 MB. Free memory was 107.7 MB in the beginning and 107.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 17:23:26,433 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.08 ms. Allocated memory was 134.7 MB in the beginning and 202.4 MB in the end (delta: 67.6 MB). Free memory was 89.1 MB in the beginning and 179.8 MB in the end (delta: -90.7 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2019-09-20 17:23:26,433 INFO L168 Benchmark]: Boogie Preprocessor took 53.92 ms. Allocated memory is still 202.4 MB. Free memory was 179.8 MB in the beginning and 177.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-09-20 17:23:26,434 INFO L168 Benchmark]: RCFGBuilder took 562.40 ms. Allocated memory is still 202.4 MB. Free memory was 177.6 MB in the beginning and 157.2 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2019-09-20 17:23:26,435 INFO L168 Benchmark]: Sifa took 5023.22 ms. Allocated memory was 202.4 MB in the beginning and 253.8 MB in the end (delta: 51.4 MB). Free memory was 157.2 MB in the beginning and 192.8 MB in the end (delta: -35.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. [2019-09-20 17:23:26,438 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 134.7 MB. Free memory was 107.7 MB in the beginning and 107.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 362.08 ms. Allocated memory was 134.7 MB in the beginning and 202.4 MB in the end (delta: 67.6 MB). Free memory was 89.1 MB in the beginning and 179.8 MB in the end (delta: -90.7 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 53.92 ms. Allocated memory is still 202.4 MB. Free memory was 179.8 MB in the beginning and 177.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 562.40 ms. Allocated memory is still 202.4 MB. Free memory was 177.6 MB in the beginning and 157.2 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * Sifa took 5023.22 ms. Allocated memory was 202.4 MB in the beginning and 253.8 MB in the end (delta: 51.4 MB). Free memory was 157.2 MB in the beginning and 192.8 MB in the end (delta: -35.7 MB). Peak memory consumption was 15.7 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]: 4978, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 30, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 22, TOOLS_POST_TIME[ms]: 1178, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 39, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 104, TOOLS_QUANTIFIERELIM_APPLICATIONS: 31, TOOLS_QUANTIFIERELIM_TIME[ms]: 1289, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 528, FLUID_QUERY_TIME[ms]: 8, FLUID_QUERIES: 41, FLUID_YES_ANSWERS: 2, DOMAIN_JOIN_APPLICATIONS: 14, DOMAIN_JOIN_TIME[ms]: 1040, DOMAIN_ALPHA_APPLICATIONS: 2, DOMAIN_ALPHA_TIME[ms]: 8, DOMAIN_WIDEN_APPLICATIONS: 8, DOMAIN_WIDEN_TIME[ms]: 2474, DOMAIN_ISSUBSETEQ_APPLICATIONS: 11, DOMAIN_ISSUBSETEQ_TIME[ms]: 20, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 3862, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3861, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 11, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 715, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 714, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 23, DAG_COMPRESSION_PROCESSED_NODES: 72, DAG_COMPRESSION_RETAINED_NODES: 35 - 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 136#(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...