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-efa34d5 [2019-09-17 15:55:07,580 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 15:55:07,582 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 15:55:07,594 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 15:55:07,595 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 15:55:07,596 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 15:55:07,597 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 15:55:07,599 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 15:55:07,601 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 15:55:07,601 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 15:55:07,602 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 15:55:07,603 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 15:55:07,604 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 15:55:07,605 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 15:55:07,605 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 15:55:07,606 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 15:55:07,607 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 15:55:07,608 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 15:55:07,610 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 15:55:07,611 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 15:55:07,613 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 15:55:07,614 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 15:55:07,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 15:55:07,616 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 15:55:07,618 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 15:55:07,618 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 15:55:07,618 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 15:55:07,619 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 15:55:07,619 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 15:55:07,620 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 15:55:07,620 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 15:55:07,621 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 15:55:07,622 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 15:55:07,623 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 15:55:07,624 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 15:55:07,624 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 15:55:07,624 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 15:55:07,625 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 15:55:07,625 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 15:55:07,626 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 15:55:07,626 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 15:55:07,627 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 [2019-09-17 15:55:07,641 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 15:55:07,641 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 15:55:07,644 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 15:55:07,645 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 15:55:07,645 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 15:55:07,645 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 15:55:07,645 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 15:55:07,646 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 15:55:07,646 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 15:55:07,646 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 15:55:07,646 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 15:55:07,646 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 15:55:07,646 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 15:55:07,647 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 15:55:07,647 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 15:55:07,648 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 15:55:07,648 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 15:55:07,648 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 15:55:07,649 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 15:55:07,649 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 15:55:07,649 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 15:55:07,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 15:55:07,650 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 15:55:07,650 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 15:55:07,650 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 15:55:07,650 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 15:55:07,650 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 15:55:07,650 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 15:55:07,651 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 [2019-09-17 15:55:07,701 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 15:55:07,713 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 15:55:07,716 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 15:55:07,718 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 15:55:07,718 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 15:55:07,719 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/avg05-1.i [2019-09-17 15:55:07,779 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2285ad313/c0aa57645e7742778760ae15419ed965/FLAGb43283156 [2019-09-17 15:55:08,212 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 15:55:08,213 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/avg05-1.i [2019-09-17 15:55:08,219 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2285ad313/c0aa57645e7742778760ae15419ed965/FLAGb43283156 [2019-09-17 15:55:08,613 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2285ad313/c0aa57645e7742778760ae15419ed965 [2019-09-17 15:55:08,623 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 15:55:08,624 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 15:55:08,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 15:55:08,625 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 15:55:08,629 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 15:55:08,630 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 03:55:08" (1/1) ... [2019-09-17 15:55:08,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b090c3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:55:08, skipping insertion in model container [2019-09-17 15:55:08,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 03:55:08" (1/1) ... [2019-09-17 15:55:08,641 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 15:55:08,660 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 15:55:08,840 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 15:55:08,850 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 15:55:08,874 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 15:55:08,985 INFO L192 MainTranslator]: Completed translation [2019-09-17 15:55:08,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:55:08 WrapperNode [2019-09-17 15:55:08,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 15:55:08,986 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 15:55:08,986 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 15:55:08,986 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 15:55:08,996 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:55:08" (1/1) ... [2019-09-17 15:55:08,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:55:08" (1/1) ... [2019-09-17 15:55:09,005 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:55:08" (1/1) ... [2019-09-17 15:55:09,006 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:55:08" (1/1) ... [2019-09-17 15:55:09,019 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:55:08" (1/1) ... [2019-09-17 15:55:09,024 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:55:08" (1/1) ... [2019-09-17 15:55:09,026 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:55:08" (1/1) ... [2019-09-17 15:55:09,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 15:55:09,033 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 15:55:09,033 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 15:55:09,033 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 15:55:09,034 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:55:08" (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 [2019-09-17 15:55:09,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 15:55:09,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 15:55:09,094 INFO L138 BoogieDeclarations]: Found implementation of procedure avg [2019-09-17 15:55:09,094 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 15:55:09,094 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 15:55:09,094 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 15:55:09,094 INFO L130 BoogieDeclarations]: Found specification of procedure avg [2019-09-17 15:55:09,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 15:55:09,094 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 15:55:09,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 15:55:09,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 15:55:09,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 15:55:09,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 15:55:09,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 15:55:09,460 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 15:55:09,461 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-17 15:55:09,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 03:55:09 BoogieIcfgContainer [2019-09-17 15:55:09,462 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 15:55:09,462 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 15:55:09,462 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 15:55:09,463 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 15:55:09,464 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 03:55:09" (1/1) ... [2019-09-17 15:55:09,465 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 [2019-09-17 15:55:09,490 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 15:55:09,490 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 15:55:09,498 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 15:55:09,506 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 15:55:09,508 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 15:55:09,736 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 19 for LOIs [2019-09-17 15:55:11,575 WARN L191 SmtUtils]: Spent 1.55 s on a formula simplification that was a NOOP. DAG size: 77 [2019-09-17 15:55:12,721 WARN L191 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 77 [2019-09-17 15:55:14,179 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-17 15:55:14,194 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-17 15:55:14,253 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 15:55:14,253 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 15:55:14,255 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)))) [2019-09-17 15:55:14,268 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 15:55:14,268 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 15:55:14,270 INFO L168 Benchmark]: Toolchain (without parser) took 5645.36 ms. Allocated memory was 135.3 MB in the beginning and 261.1 MB in the end (delta: 125.8 MB). Free memory was 87.5 MB in the beginning and 226.6 MB in the end (delta: -139.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-17 15:55:14,270 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 135.3 MB. Free memory is still 105.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-17 15:55:14,272 INFO L168 Benchmark]: CACSL2BoogieTranslator took 360.43 ms. Allocated memory was 135.3 MB in the beginning and 200.8 MB in the end (delta: 65.5 MB). Free memory was 87.5 MB in the beginning and 179.0 MB in the end (delta: -91.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. [2019-09-17 15:55:14,272 INFO L168 Benchmark]: Boogie Preprocessor took 42.76 ms. Allocated memory is still 200.8 MB. Free memory was 179.0 MB in the beginning and 176.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-09-17 15:55:14,278 INFO L168 Benchmark]: RCFGBuilder took 429.52 ms. Allocated memory is still 200.8 MB. Free memory was 176.7 MB in the beginning and 156.3 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2019-09-17 15:55:14,283 INFO L168 Benchmark]: Sifa took 4805.66 ms. Allocated memory was 200.8 MB in the beginning and 261.1 MB in the end (delta: 60.3 MB). Free memory was 155.4 MB in the beginning and 226.6 MB in the end (delta: -71.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-17 15:55:14,291 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 135.3 MB. Free memory is still 105.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 360.43 ms. Allocated memory was 135.3 MB in the beginning and 200.8 MB in the end (delta: 65.5 MB). Free memory was 87.5 MB in the beginning and 179.0 MB in the end (delta: -91.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.76 ms. Allocated memory is still 200.8 MB. Free memory was 179.0 MB in the beginning and 176.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 429.52 ms. Allocated memory is still 200.8 MB. Free memory was 176.7 MB in the beginning and 156.3 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * Sifa took 4805.66 ms. Allocated memory was 200.8 MB in the beginning and 261.1 MB in the end (delta: 60.3 MB). Free memory was 155.4 MB in the beginning and 226.6 MB in the end (delta: -71.2 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 4766, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 30, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 22, TOOLS_POST_TIME[ms]: 1182, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 42, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 105, TOOLS_QUANTIFIERELIM_APPLICATIONS: 31, TOOLS_QUANTIFIERELIM_TIME[ms]: 1297, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 581, FLUID_QUERY_TIME[ms]: 8, FLUID_QUERIES: 41, FLUID_YES_ANSWERS: 2, DOMAIN_JOIN_APPLICATIONS: 14, DOMAIN_JOIN_TIME[ms]: 946, DOMAIN_ALPHA_APPLICATIONS: 2, DOMAIN_ALPHA_TIME[ms]: 5, DOMAIN_WIDEN_APPLICATIONS: 8, DOMAIN_WIDEN_TIME[ms]: 2389, DOMAIN_ISSUBSETEQ_APPLICATIONS: 11, DOMAIN_ISSUBSETEQ_TIME[ms]: 19, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 3655, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3654, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 11, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 653, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 652, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 13, 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...