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 LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK --sifa.max.parallel.explicit.values 4 --sifa.sizelimitfluid.max.disjunctions 16 -i ../../../trunk/examples/svcomp/loop-invgen/id_build.i.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 17:41:52,403 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 17:41:52,406 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 17:41:52,425 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 17:41:52,425 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 17:41:52,426 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 17:41:52,429 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 17:41:52,437 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 17:41:52,442 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 17:41:52,445 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 17:41:52,446 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 17:41:52,449 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 17:41:52,449 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 17:41:52,450 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 17:41:52,453 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 17:41:52,454 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 17:41:52,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 17:41:52,458 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 17:41:52,460 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 17:41:52,464 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 17:41:52,468 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 17:41:52,468 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 17:41:52,470 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 17:41:52,471 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 17:41:52,473 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 17:41:52,473 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 17:41:52,473 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 17:41:52,475 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 17:41:52,475 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 17:41:52,476 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 17:41:52,477 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 17:41:52,479 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 17:41:52,479 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 17:41:52,480 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 17:41:52,482 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 17:41:52,482 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 17:41:52,483 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 17:41:52,483 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 17:41:52,483 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 17:41:52,485 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 17:41:52,488 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 17:41:52,489 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 [2019-09-25 17:41:52,502 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 17:41:52,502 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 17:41:52,504 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 17:41:52,504 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 17:41:52,504 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 17:41:52,504 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 17:41:52,505 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 17:41:52,505 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 17:41:52,505 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 17:41:52,505 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 17:41:52,505 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 17:41:52,506 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 17:41:52,506 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 17:41:52,506 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 17:41:52,506 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 17:41:52,506 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 17:41:52,507 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 17:41:52,507 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 17:41:52,507 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 17:41:52,507 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 17:41:52,507 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 17:41:52,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:41:52,508 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 17:41:52,508 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 17:41:52,508 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 17:41:52,509 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 17:41:52,509 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 17:41:52,509 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 17:41:52,509 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 -> 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: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Max. Parallel Explicit Values -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: SizeLimitFluid Max. Disjunctions -> 16 [2019-09-25 17:41:52,540 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 17:41:52,552 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 17:41:52,556 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 17:41:52,557 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 17:41:52,558 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 17:41:52,559 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/id_build.i.v+lhb-reducer.c [2019-09-25 17:41:52,616 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d507a879/ff18ad3d36624d5599f6b4bbb1f93252/FLAG991cbdc45 [2019-09-25 17:41:53,082 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 17:41:53,083 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/id_build.i.v+lhb-reducer.c [2019-09-25 17:41:53,092 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d507a879/ff18ad3d36624d5599f6b4bbb1f93252/FLAG991cbdc45 [2019-09-25 17:41:53,455 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d507a879/ff18ad3d36624d5599f6b4bbb1f93252 [2019-09-25 17:41:53,466 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 17:41:53,468 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 17:41:53,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 17:41:53,469 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 17:41:53,472 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 17:41:53,474 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:41:53" (1/1) ... [2019-09-25 17:41:53,477 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fa9aec1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:41:53, skipping insertion in model container [2019-09-25 17:41:53,477 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:41:53" (1/1) ... [2019-09-25 17:41:53,485 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 17:41:53,506 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 17:41:53,692 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:41:53,698 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 17:41:53,718 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:41:53,734 INFO L192 MainTranslator]: Completed translation [2019-09-25 17:41:53,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:41:53 WrapperNode [2019-09-25 17:41:53,734 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 17:41:53,735 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 17:41:53,735 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 17:41:53,735 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 17:41:53,840 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:41:53" (1/1) ... [2019-09-25 17:41:53,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:41:53" (1/1) ... [2019-09-25 17:41:53,845 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:41:53" (1/1) ... [2019-09-25 17:41:53,845 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:41:53" (1/1) ... [2019-09-25 17:41:53,849 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:41:53" (1/1) ... [2019-09-25 17:41:53,855 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:41:53" (1/1) ... [2019-09-25 17:41:53,861 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:41:53" (1/1) ... [2019-09-25 17:41:53,863 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 17:41:53,864 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 17:41:53,864 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 17:41:53,864 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 17:41:53,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:41:53" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:41:53,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 17:41:53,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 17:41:53,936 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 17:41:53,936 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 17:41:53,937 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-25 17:41:53,937 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-25 17:41:53,937 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 17:41:53,938 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 17:41:53,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 17:41:53,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 17:41:54,146 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 17:41:54,147 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-25 17:41:54,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:41:54 BoogieIcfgContainer [2019-09-25 17:41:54,148 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 17:41:54,148 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 17:41:54,148 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 17:41:54,149 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 17:41:54,150 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:41:54" (1/1) ... [2019-09-25 17:41:54,150 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=4 ♦ 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=16 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 17:41:54,171 INFO L162 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-09-25 17:41:54,171 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 17:41:54,177 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 17:41:54,186 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 17:41:54,187 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 17:41:54,287 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 8 for LOIs [2019-09-25 17:41:54,508 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2019-09-25 17:41:55,047 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 17:41:55,048 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 17:41:55,053 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 162#(and (= |old(~__return_100~0)| 0) (<= 0 (+ main_~main__nlen~0 2147483648)) (= 0 main_~main__j~0) (<= main_~main__nlen~0 2147483647) (< main_~main__i~0 main_~main__nlen~0) (= main_~__VERIFIER_assert__cond~0 0) (= |old(~__return_100~0)| ~__return_100~0) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (= 0 main_~main__i~0) (= ~__return_main~0 0) (< main_~main__j~0 8) (= (ite (<= (+ main_~main__i~0 1) main_~main__nlen~0) 1 0) main_~__tmp_1~0)) [2019-09-25 17:41:55,053 INFO L193 IcfgInterpreter]: Reachable states at location mainErr2ASSERT_VIOLATIONERROR_FUNCTION satisfy 158#(and (= |old(~__return_100~0)| 0) (= main_~__VERIFIER_assert__cond~2 0) (= (ite (<= (+ main_~main__i~0 1) main_~main__nlen~0) 1 0) main_~__tmp_3~0) (= ~__return_main~0 0) (< main_~main__j~0 8) (= main_~__tmp_3~0 main_~__VERIFIER_assert__cond~2)) [2019-09-25 17:41:55,054 INFO L193 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 129#(or (and (= |old(~__return_100~0)| 0) (= (ite (<= (+ main_~main__i~0 1) main_~main__nlen~0) 1 0) main_~__tmp_3~0) (= main_~__tmp_2~0 (ite (< 0 (+ main_~main__i~0 1)) 1 0)) (= main_~__VERIFIER_assert__cond~1 0) (not (= main_~__VERIFIER_assert__cond~2 0)) (= main_~__tmp_2~0 main_~__VERIFIER_assert__cond~1) (= ~__return_main~0 0) (< main_~main__j~0 8) (= main_~__tmp_3~0 main_~__VERIFIER_assert__cond~2)) (and (= |old(~__return_100~0)| 0) (= main_~__tmp_2~0 (ite (< 0 (+ main_~main__i~0 1)) 1 0)) (= main_~main__i~0 0) (= main_~__VERIFIER_assert__cond~1 0) (= ~__return_main~0 0) (= main_~__tmp_2~0 main_~__VERIFIER_assert__cond~1))) [2019-09-25 17:41:55,082 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 17:41:55,083 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 17:41:55,085 INFO L168 Benchmark]: Toolchain (without parser) took 1617.14 ms. Allocated memory was 137.9 MB in the beginning and 198.7 MB in the end (delta: 60.8 MB). Free memory was 84.0 MB in the beginning and 106.5 MB in the end (delta: -22.5 MB). Peak memory consumption was 38.3 MB. Max. memory is 7.1 GB. [2019-09-25 17:41:55,087 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 137.9 MB. Free memory was 102.7 MB in the beginning and 102.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 17:41:55,088 INFO L168 Benchmark]: CACSL2BoogieTranslator took 266.10 ms. Allocated memory is still 137.9 MB. Free memory was 83.8 MB in the beginning and 74.1 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-09-25 17:41:55,089 INFO L168 Benchmark]: Boogie Preprocessor took 128.76 ms. Allocated memory was 137.9 MB in the beginning and 198.7 MB in the end (delta: 60.8 MB). Free memory was 74.1 MB in the beginning and 175.5 MB in the end (delta: -101.4 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-09-25 17:41:55,091 INFO L168 Benchmark]: RCFGBuilder took 283.76 ms. Allocated memory is still 198.7 MB. Free memory was 175.5 MB in the beginning and 162.3 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. [2019-09-25 17:41:55,095 INFO L168 Benchmark]: Sifa took 934.56 ms. Allocated memory is still 198.7 MB. Free memory was 162.3 MB in the beginning and 106.5 MB in the end (delta: 55.8 MB). Peak memory consumption was 55.8 MB. Max. memory is 7.1 GB. [2019-09-25 17:41:55,101 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 137.9 MB. Free memory was 102.7 MB in the beginning and 102.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 266.10 ms. Allocated memory is still 137.9 MB. Free memory was 83.8 MB in the beginning and 74.1 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 128.76 ms. Allocated memory was 137.9 MB in the beginning and 198.7 MB in the end (delta: 60.8 MB). Free memory was 74.1 MB in the beginning and 175.5 MB in the end (delta: -101.4 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 283.76 ms. Allocated memory is still 198.7 MB. Free memory was 175.5 MB in the beginning and 162.3 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. * Sifa took 934.56 ms. Allocated memory is still 198.7 MB. Free memory was 162.3 MB in the beginning and 106.5 MB in the end (delta: 55.8 MB). Peak memory consumption was 55.8 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]: 884, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 66, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 56, TOOLS_POST_TIME[ms]: 108, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 21, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 1, TOOLS_QUANTIFIERELIM_APPLICATIONS: 59, TOOLS_QUANTIFIERELIM_TIME[ms]: 94, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 14, FLUID_QUERY_TIME[ms]: 8, FLUID_QUERIES: 82, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 20, DOMAIN_JOIN_TIME[ms]: 366, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 8, DOMAIN_WIDEN_TIME[ms]: 216, DOMAIN_ISSUBSETEQ_APPLICATIONS: 16, DOMAIN_ISSUBSETEQ_TIME[ms]: 66, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 17, LOOP_SUMMARIZER_APPLICATIONS: 8, LOOP_SUMMARIZER_CACHE_MISSES: 8, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 705, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 704, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 16, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 47, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 46, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 18, DAG_COMPRESSION_PROCESSED_NODES: 111, DAG_COMPRESSION_RETAINED_NODES: 47 - 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 158#(and (= |old(~__return_100~0)| 0) (= main_~__VERIFIER_assert__cond~2 0) (= (ite (<= (+ main_~main__i~0 1) main_~main__nlen~0) 1 0) main_~__tmp_3~0) (= ~__return_main~0 0) (< main_~main__j~0 8) (= main_~__tmp_3~0 main_~__VERIFIER_assert__cond~2)). Possible FailurePath: - UnprovableResult [Line: 43]: 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 129#(or (and (= |old(~__return_100~0)| 0) (= (ite (<= (+ main_~main__i~0 1) main_~main__nlen~0) 1 0) main_~__tmp_3~0) (= main_~__tmp_2~0 (ite (< 0 (+ main_~main__i~0 1)) 1 0)) (= main_~__VERIFIER_assert__cond~1 0) (not (= main_~__VERIFIER_assert__cond~2 0)) (= main_~__tmp_2~0 main_~__VERIFIER_assert__cond~1) (= ~__return_main~0 0) (< main_~main__j~0 8) (= main_~__tmp_3~0 main_~__VERIFIER_assert__cond~2)) (and (= |old(~__return_100~0)| 0) (= main_~__tmp_2~0 (ite (< 0 (+ main_~main__i~0 1)) 1 0)) (= main_~main__i~0 0) (= main_~__VERIFIER_assert__cond~1 0) (= ~__return_main~0 0) (= main_~__tmp_2~0 main_~__VERIFIER_assert__cond~1))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...