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/reducercommutativity/sep.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 02:44:53,444 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 02:44:53,446 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 02:44:53,457 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 02:44:53,457 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 02:44:53,458 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 02:44:53,460 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 02:44:53,461 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 02:44:53,463 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 02:44:53,464 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 02:44:53,465 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 02:44:53,466 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 02:44:53,466 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 02:44:53,467 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 02:44:53,468 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 02:44:53,469 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 02:44:53,470 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 02:44:53,471 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 02:44:53,472 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 02:44:53,474 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 02:44:53,475 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 02:44:53,476 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 02:44:53,477 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 02:44:53,478 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 02:44:53,480 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 02:44:53,480 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 02:44:53,480 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 02:44:53,481 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 02:44:53,481 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 02:44:53,482 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 02:44:53,482 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 02:44:53,483 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 02:44:53,484 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 02:44:53,484 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 02:44:53,485 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 02:44:53,486 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 02:44:53,486 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 02:44:53,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 02:44:53,487 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 02:44:53,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 02:44:53,488 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 02:44:53,489 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-18 02:44:53,502 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 02:44:53,502 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 02:44:53,503 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 02:44:53,504 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 02:44:53,504 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 02:44:53,504 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 02:44:53,504 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 02:44:53,504 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 02:44:53,505 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 02:44:53,505 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 02:44:53,505 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 02:44:53,505 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 02:44:53,505 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 02:44:53,505 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 02:44:53,506 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 02:44:53,506 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 02:44:53,506 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 02:44:53,506 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 02:44:53,506 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 02:44:53,507 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 02:44:53,507 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 02:44:53,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 02:44:53,507 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 02:44:53,507 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 02:44:53,508 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 02:44:53,508 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 02:44:53,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 02:44:53,508 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 02:44:53,508 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-18 02:44:53,541 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 02:44:53,556 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 02:44:53,562 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 02:44:53,568 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 02:44:53,569 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 02:44:53,569 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/sep.i [2019-09-18 02:44:53,627 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c64b570f/ec411f269ece4af88d32406ad30b2bbd/FLAGb1483bc2d [2019-09-18 02:44:53,993 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 02:44:53,994 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/sep.i [2019-09-18 02:44:54,001 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c64b570f/ec411f269ece4af88d32406ad30b2bbd/FLAGb1483bc2d [2019-09-18 02:44:54,371 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c64b570f/ec411f269ece4af88d32406ad30b2bbd [2019-09-18 02:44:54,382 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 02:44:54,383 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 02:44:54,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 02:44:54,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 02:44:54,389 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 02:44:54,390 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 02:44:54" (1/1) ... [2019-09-18 02:44:54,393 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76510f98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:44:54, skipping insertion in model container [2019-09-18 02:44:54,394 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 02:44:54" (1/1) ... [2019-09-18 02:44:54,401 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 02:44:54,427 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 02:44:54,662 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 02:44:54,672 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 02:44:54,707 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 02:44:54,720 INFO L192 MainTranslator]: Completed translation [2019-09-18 02:44:54,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:44:54 WrapperNode [2019-09-18 02:44:54,721 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 02:44:54,721 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 02:44:54,721 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 02:44:54,722 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 02:44:54,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:44:54" (1/1) ... [2019-09-18 02:44:54,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:44:54" (1/1) ... [2019-09-18 02:44:54,835 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:44:54" (1/1) ... [2019-09-18 02:44:54,837 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:44:54" (1/1) ... [2019-09-18 02:44:54,852 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:44:54" (1/1) ... [2019-09-18 02:44:54,857 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:44:54" (1/1) ... [2019-09-18 02:44:54,858 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:44:54" (1/1) ... [2019-09-18 02:44:54,860 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 02:44:54,861 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 02:44:54,861 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 02:44:54,861 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 02:44:54,862 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 02:44:54" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 02:44:54,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 02:44:54,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 02:44:54,919 INFO L138 BoogieDeclarations]: Found implementation of procedure sep [2019-09-18 02:44:54,919 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 02:44:54,919 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 02:44:54,919 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 02:44:54,919 INFO L130 BoogieDeclarations]: Found specification of procedure sep [2019-09-18 02:44:54,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 02:44:54,920 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 02:44:54,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 02:44:54,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 02:44:54,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 02:44:54,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 02:44:54,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 02:44:55,161 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 02:44:55,161 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-18 02:44:55,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 02:44:55 BoogieIcfgContainer [2019-09-18 02:44:55,163 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 02:44:55,163 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 02:44:55,163 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 02:44:55,163 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 02:44:55,164 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 02:44:55" (1/1) ... [2019-09-18 02:44:55,165 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 02:44:55,191 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 02:44:55,192 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 02:44:55,200 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 02:44:55,210 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 02:44:55,211 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 02:44:55,390 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 21 for LOIs [2019-09-18 02:44:55,709 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 29 [2019-09-18 02:45:00,717 WARN L191 SmtUtils]: Spent 4.21 s on a formula simplification that was a NOOP. DAG size: 190 [2019-09-18 02:45:00,824 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 02:45:00,825 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 02:45:00,827 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 78#(and (or (not (= main_~ret~1 main_~ret2~0)) (not (= main_~ret~1 main_~ret5~0))) (exists ((v_prenex_15 Int) (v_sep_~ret~0_BEFORE_RETURN_3 Int)) (or (and (not (<= (mod v_sep_~ret~0_BEFORE_RETURN_3 4294967296) 2147483647)) (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ (* 4 ~N~0) |main_~#x~0.offset| (- 4)))) (<= main_~ret5~0 2147483647) (= main_~ret5~0 (+ (mod v_sep_~ret~0_BEFORE_RETURN_3 4294967296) (- 4294967296))) (<= 0 (+ main_~ret5~0 2147483648)) (not (< (+ main_~i~1 1) ~N~0))) (and (= (mod v_prenex_15 4294967296) main_~ret5~0) (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ (* 4 ~N~0) |main_~#x~0.offset| (- 4)))) (<= (mod v_prenex_15 4294967296) 2147483647) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (not (< (+ main_~i~1 1) ~N~0)))))) [2019-09-18 02:45:00,839 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 02:45:00,839 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 02:45:00,841 INFO L168 Benchmark]: Toolchain (without parser) took 6457.57 ms. Allocated memory was 138.4 MB in the beginning and 220.7 MB in the end (delta: 82.3 MB). Free memory was 86.1 MB in the beginning and 144.3 MB in the end (delta: -58.3 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. [2019-09-18 02:45:00,842 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 138.4 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-18 02:45:00,843 INFO L168 Benchmark]: CACSL2BoogieTranslator took 335.23 ms. Allocated memory is still 138.4 MB. Free memory was 85.9 MB in the beginning and 75.5 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2019-09-18 02:45:00,844 INFO L168 Benchmark]: Boogie Preprocessor took 139.16 ms. Allocated memory was 138.4 MB in the beginning and 198.7 MB in the end (delta: 60.3 MB). Free memory was 75.5 MB in the beginning and 175.5 MB in the end (delta: -100.1 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2019-09-18 02:45:00,844 INFO L168 Benchmark]: RCFGBuilder took 301.90 ms. Allocated memory is still 198.7 MB. Free memory was 175.5 MB in the beginning and 159.1 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. [2019-09-18 02:45:00,845 INFO L168 Benchmark]: Sifa took 5676.31 ms. Allocated memory was 198.7 MB in the beginning and 220.7 MB in the end (delta: 22.0 MB). Free memory was 159.1 MB in the beginning and 144.3 MB in the end (delta: 14.7 MB). Peak memory consumption was 36.7 MB. Max. memory is 7.1 GB. [2019-09-18 02:45:00,849 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 138.4 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 335.23 ms. Allocated memory is still 138.4 MB. Free memory was 85.9 MB in the beginning and 75.5 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 139.16 ms. Allocated memory was 138.4 MB in the beginning and 198.7 MB in the end (delta: 60.3 MB). Free memory was 75.5 MB in the beginning and 175.5 MB in the end (delta: -100.1 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 301.90 ms. Allocated memory is still 198.7 MB. Free memory was 175.5 MB in the beginning and 159.1 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. * Sifa took 5676.31 ms. Allocated memory was 198.7 MB in the beginning and 220.7 MB in the end (delta: 22.0 MB). Free memory was 159.1 MB in the beginning and 144.3 MB in the end (delta: 14.7 MB). Peak memory consumption was 36.7 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]: 5636, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 38, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 31, TOOLS_POST_TIME[ms]: 252, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 427, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 33, TOOLS_QUANTIFIERELIM_APPLICATIONS: 40, TOOLS_QUANTIFIERELIM_TIME[ms]: 670, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 228, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 43, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 12, DOMAIN_JOIN_TIME[ms]: 425, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 4372, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 35, DOMAIN_ISBOTTOM_APPLICATIONS: 4, DOMAIN_ISBOTTOM_TIME[ms]: 6, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 4889, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4888, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 513, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 512, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 19, DAG_COMPRESSION_PROCESSED_NODES: 84, DAG_COMPRESSION_RETAINED_NODES: 53 - UnprovableResult [Line: 42]: 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 78#(and (or (not (= main_~ret~1 main_~ret2~0)) (not (= main_~ret~1 main_~ret5~0))) (exists ((v_prenex_15 Int) (v_sep_~ret~0_BEFORE_RETURN_3 Int)) (or (and (not (<= (mod v_sep_~ret~0_BEFORE_RETURN_3 4294967296) 2147483647)) (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ (* 4 ~N~0) |main_~#x~0.offset| (- 4)))) (<= main_~ret5~0 2147483647) (= main_~ret5~0 (+ (mod v_sep_~ret~0_BEFORE_RETURN_3 4294967296) (- 4294967296))) (<= 0 (+ main_~ret5~0 2147483648)) (not (< (+ main_~i~1 1) ~N~0))) (and (= (mod v_prenex_15 4294967296) main_~ret5~0) (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ (* 4 ~N~0) |main_~#x~0.offset| (- 4)))) (<= (mod v_prenex_15 4294967296) 2147483647) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (not (< (+ main_~i~1 1) ~N~0)))))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...