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.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/loop-invgen/id_build.i.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 02:28:50,330 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 02:28:50,333 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 02:28:50,349 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 02:28:50,350 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 02:28:50,351 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 02:28:50,352 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 02:28:50,355 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 02:28:50,366 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 02:28:50,367 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 02:28:50,369 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 02:28:50,370 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 02:28:50,371 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 02:28:50,375 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 02:28:50,378 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 02:28:50,379 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 02:28:50,381 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 02:28:50,383 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 02:28:50,384 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 02:28:50,390 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 02:28:50,394 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 02:28:50,397 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 02:28:50,400 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 02:28:50,401 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 02:28:50,403 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 02:28:50,404 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 02:28:50,404 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 02:28:50,406 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 02:28:50,407 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 02:28:50,408 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 02:28:50,409 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 02:28:50,409 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 02:28:50,410 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 02:28:50,411 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 02:28:50,413 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 02:28:50,413 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 02:28:50,414 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 02:28:50,414 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 02:28:50,414 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 02:28:50,415 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 02:28:50,417 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 02:28:50,418 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 [2019-10-14 02:28:50,446 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 02:28:50,446 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 02:28:50,449 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 02:28:50,449 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 02:28:50,449 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 02:28:50,450 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 02:28:50,450 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 02:28:50,450 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 02:28:50,450 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 02:28:50,450 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 02:28:50,451 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 02:28:50,452 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 02:28:50,452 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 02:28:50,452 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 02:28:50,453 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 02:28:50,453 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 02:28:50,453 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 02:28:50,453 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 02:28:50,453 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 02:28:50,454 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 02:28:50,454 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 02:28:50,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 02:28:50,454 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 02:28:50,454 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 02:28:50,455 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 02:28:50,455 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 02:28:50,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 02:28:50,455 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 02:28:50,455 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: Simplification Technique -> SIMPLIFY_QUICK [2019-10-14 02:28:50,744 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 02:28:50,756 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 02:28:50,759 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 02:28:50,761 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 02:28:50,761 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 02:28:50,762 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/id_build.i.v+lhb-reducer.c [2019-10-14 02:28:50,843 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96c84996a/5ee74ef2bb1f471c88821a5b89d61e46/FLAGf66f93114 [2019-10-14 02:28:51,348 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 02:28:51,349 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/id_build.i.v+lhb-reducer.c [2019-10-14 02:28:51,359 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96c84996a/5ee74ef2bb1f471c88821a5b89d61e46/FLAGf66f93114 [2019-10-14 02:28:51,723 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96c84996a/5ee74ef2bb1f471c88821a5b89d61e46 [2019-10-14 02:28:51,734 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 02:28:51,736 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 02:28:51,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 02:28:51,737 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 02:28:51,741 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 02:28:51,742 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:28:51" (1/1) ... [2019-10-14 02:28:51,745 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d2be261 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:28:51, skipping insertion in model container [2019-10-14 02:28:51,745 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:28:51" (1/1) ... [2019-10-14 02:28:51,753 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 02:28:51,779 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 02:28:51,963 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 02:28:51,976 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 02:28:52,000 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 02:28:52,012 INFO L192 MainTranslator]: Completed translation [2019-10-14 02:28:52,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:28:52 WrapperNode [2019-10-14 02:28:52,013 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 02:28:52,013 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 02:28:52,014 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 02:28:52,014 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 02:28:52,108 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:28:52" (1/1) ... [2019-10-14 02:28:52,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:28:52" (1/1) ... [2019-10-14 02:28:52,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:28:52" (1/1) ... [2019-10-14 02:28:52,117 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:28:52" (1/1) ... [2019-10-14 02:28:52,126 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:28:52" (1/1) ... [2019-10-14 02:28:52,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:28:52" (1/1) ... [2019-10-14 02:28:52,131 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:28:52" (1/1) ... [2019-10-14 02:28:52,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 02:28:52,133 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 02:28:52,133 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 02:28:52,133 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 02:28:52,134 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:28:52" (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 [2019-10-14 02:28:52,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 02:28:52,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 02:28:52,194 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 02:28:52,195 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 02:28:52,195 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-14 02:28:52,195 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-14 02:28:52,195 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 02:28:52,195 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 02:28:52,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 02:28:52,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 02:28:52,419 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 02:28:52,419 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-14 02:28:52,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:28:52 BoogieIcfgContainer [2019-10-14 02:28:52,421 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 02:28:52,421 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-14 02:28:52,421 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-14 02:28:52,422 INFO L275 PluginConnector]: Sifa initialized [2019-10-14 02:28:52,423 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:28:52" (1/1) ... [2019-10-14 02:28:52,424 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-10-14 02:28:52,449 INFO L162 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-10-14 02:28:52,450 INFO L169 IcfgInterpreter]: Building call graph [2019-10-14 02:28:52,461 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-14 02:28:52,481 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-14 02:28:52,483 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-14 02:28:52,646 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 12 for LOIs [2019-10-14 02:28:53,671 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-14 02:28:53,671 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-14 02:28:53,677 INFO L193 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 199#false [2019-10-14 02:28:53,679 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 25#(and (<= 0 (+ main_~main__nlen~0 2147483648)) (<= 0 main_~main__i~0) (<= 0 ~__return_main~0) (<= 0 ~__return_100~0) (<= ~__return_main~0 0) (<= ~__return_100~0 0) (= (ite (<= (+ main_~main__i~0 1) main_~main__nlen~0) 1 0) main_~__tmp_1~0) (= |old(~__return_100~0)| 0) (= 0 main_~main__j~0) (<= 0 main_~main__nlen~0) (<= main_~main__i~0 0) (< main_~main__i~0 main_~main__nlen~0) (<= 0 main_~__VERIFIER_assert__cond~0) (= 0 main_~main__i~0) (<= main_~__tmp_1~0 0) (<= 0 main_~__tmp_1~0) (<= 0 main_~main__j~0) (<= main_~main__nlen~0 2147483647) (<= main_~__VERIFIER_assert__cond~0 0) (= main_~__VERIFIER_assert__cond~0 0) (= |old(~__return_100~0)| ~__return_100~0) (<= main_~main__j~0 0) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (< main_~main__j~0 8) (<= |old(~__return_100~0)| 0) (= ~__return_main~0 0) (<= 0 |old(~__return_100~0)|)) [2019-10-14 02:28:53,680 INFO L193 IcfgInterpreter]: Reachable states at location mainErr2ASSERT_VIOLATIONERROR_FUNCTION satisfy 187#(and (= (ite (<= (+ main_~main__i~0 1) main_~main__nlen~0) 1 0) main_~__tmp_3~0) (<= 0 main_~main__i~0) (<= main_~__VERIFIER_assert__cond~2 0) (<= 0 ~__return_100~0) (<= 0 ~__return_main~0) (<= main_~__VERIFIER_assert__cond~1 1) (<= ~__return_main~0 0) (<= ~__return_100~0 0) (= main_~__tmp_3~0 main_~__VERIFIER_assert__cond~2) (= |old(~__return_100~0)| 0) (= main_~__VERIFIER_assert__cond~2 0) (<= main_~__VERIFIER_assert__cond~0 1) (<= 0 main_~main__nlen~0) (<= 0 main_~__VERIFIER_assert__cond~0) (<= 0 main_~__VERIFIER_assert__cond~2) (<= 0 main_~__tmp_1~0) (<= main_~main__j~0 8) (<= 0 main_~__tmp_3~0) (<= 1 main_~__tmp_2~0) (<= main_~main__nlen~0 2147483647) (< main_~main__j~0 8) (<= 1 main_~__VERIFIER_assert__cond~1) (<= main_~__tmp_1~0 1) (<= main_~__tmp_2~0 1) (<= main_~__tmp_3~0 0) (<= |old(~__return_100~0)| 0) (= ~__return_main~0 0) (<= 0 |old(~__return_100~0)|)) [2019-10-14 02:28:53,702 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-14 02:28:53,702 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-14 02:28:53,707 INFO L168 Benchmark]: Toolchain (without parser) took 1968.38 ms. Allocated memory was 146.3 MB in the beginning and 234.4 MB in the end (delta: 88.1 MB). Free memory was 103.2 MB in the beginning and 150.5 MB in the end (delta: -47.3 MB). Peak memory consumption was 40.7 MB. Max. memory is 7.1 GB. [2019-10-14 02:28:53,709 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 146.3 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-14 02:28:53,711 INFO L168 Benchmark]: CACSL2BoogieTranslator took 276.35 ms. Allocated memory is still 146.3 MB. Free memory was 103.0 MB in the beginning and 93.2 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-10-14 02:28:53,713 INFO L168 Benchmark]: Boogie Preprocessor took 119.18 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 93.2 MB in the beginning and 182.3 MB in the end (delta: -89.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-10-14 02:28:53,714 INFO L168 Benchmark]: RCFGBuilder took 287.91 ms. Allocated memory is still 203.9 MB. Free memory was 182.3 MB in the beginning and 169.1 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. [2019-10-14 02:28:53,722 INFO L168 Benchmark]: Sifa took 1281.25 ms. Allocated memory was 203.9 MB in the beginning and 234.4 MB in the end (delta: 30.4 MB). Free memory was 169.1 MB in the beginning and 150.5 MB in the end (delta: 18.6 MB). Peak memory consumption was 49.0 MB. Max. memory is 7.1 GB. [2019-10-14 02:28:53,733 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 146.3 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 276.35 ms. Allocated memory is still 146.3 MB. Free memory was 103.0 MB in the beginning and 93.2 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.18 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 93.2 MB in the beginning and 182.3 MB in the end (delta: -89.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 287.91 ms. Allocated memory is still 203.9 MB. Free memory was 182.3 MB in the beginning and 169.1 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. * Sifa took 1281.25 ms. Allocated memory was 203.9 MB in the beginning and 234.4 MB in the end (delta: 30.4 MB). Free memory was 169.1 MB in the beginning and 150.5 MB in the end (delta: 18.6 MB). Peak memory consumption was 49.0 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]: 1231, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 57, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 48, TOOLS_POST_TIME[ms]: 114, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 21, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 2, TOOLS_QUANTIFIERELIM_APPLICATIONS: 51, TOOLS_QUANTIFIERELIM_TIME[ms]: 100, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 19, FLUID_QUERY_TIME[ms]: 7, FLUID_QUERIES: 70, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 17, DOMAIN_JOIN_TIME[ms]: 608, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 277, DOMAIN_ISSUBSETEQ_APPLICATIONS: 13, DOMAIN_ISSUBSETEQ_TIME[ms]: 52, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 13, LOOP_SUMMARIZER_APPLICATIONS: 7, LOOP_SUMMARIZER_CACHE_MISSES: 7, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 831, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 829, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 13, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 76, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 75, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 16, DAG_COMPRESSION_TIME[ms]: 29, DAG_COMPRESSION_PROCESSED_NODES: 111, DAG_COMPRESSION_RETAINED_NODES: 47 - PositiveResult [Line: 43]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 30]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - UnprovableResult [Line: 59]: 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 187#(and (= (ite (<= (+ main_~main__i~0 1) main_~main__nlen~0) 1 0) main_~__tmp_3~0) (<= 0 main_~main__i~0) (<= main_~__VERIFIER_assert__cond~2 0) (<= 0 ~__return_100~0) (<= 0 ~__return_main~0) (<= main_~__VERIFIER_assert__cond~1 1) (<= ~__return_main~0 0) (<= ~__return_100~0 0) (= main_~__tmp_3~0 main_~__VERIFIER_assert__cond~2) (= |old(~__return_100~0)| 0) (= main_~__VERIFIER_assert__cond~2 0) (<= main_~__VERIFIER_assert__cond~0 1) (<= 0 main_~main__nlen~0) (<= 0 main_~__VERIFIER_assert__cond~0) (<= 0 main_~__VERIFIER_assert__cond~2) (<= 0 main_~__tmp_1~0) (<= main_~main__j~0 8) (<= 0 main_~__tmp_3~0) (<= 1 main_~__tmp_2~0) (<= main_~main__nlen~0 2147483647) (< main_~main__j~0 8) (<= 1 main_~__VERIFIER_assert__cond~1) (<= main_~__tmp_1~0 1) (<= main_~__tmp_2~0 1) (<= main_~__tmp_3~0 0) (<= |old(~__return_100~0)| 0) (= ~__return_main~0 0) (<= 0 |old(~__return_100~0)|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...