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 IntervalDomain --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/loop-invgen/id_build.i.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 09:34:19,475 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 09:34:19,477 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 09:34:19,488 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 09:34:19,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 09:34:19,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 09:34:19,491 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 09:34:19,493 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 09:34:19,495 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 09:34:19,496 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 09:34:19,497 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 09:34:19,498 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 09:34:19,498 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 09:34:19,499 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 09:34:19,500 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 09:34:19,501 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 09:34:19,502 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 09:34:19,503 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 09:34:19,505 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 09:34:19,507 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 09:34:19,508 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 09:34:19,510 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 09:34:19,511 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 09:34:19,511 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 09:34:19,514 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 09:34:19,514 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 09:34:19,514 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 09:34:19,515 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 09:34:19,515 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 09:34:19,516 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 09:34:19,517 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 09:34:19,517 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 09:34:19,518 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 09:34:19,519 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 09:34:19,520 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 09:34:19,520 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 09:34:19,521 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 09:34:19,521 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 09:34:19,521 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 09:34:19,522 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 09:34:19,523 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 09:34:19,523 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 09:34:19,540 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 09:34:19,540 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 09:34:19,541 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 09:34:19,542 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 09:34:19,542 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 09:34:19,543 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 09:34:19,543 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 09:34:19,543 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 09:34:19,543 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 09:34:19,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 09:34:19,544 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 09:34:19,544 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 09:34:19,544 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 09:34:19,545 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 09:34:19,545 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 09:34:19,545 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 09:34:19,546 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 09:34:19,546 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 09:34:19,546 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 09:34:19,546 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 09:34:19,547 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 09:34:19,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 09:34:19,547 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 09:34:19,548 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 09:34:19,548 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 09:34:19,548 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 09:34:19,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 09:34:19,549 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 09:34:19,549 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain 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 09:34:19,585 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 09:34:19,598 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 09:34:19,601 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 09:34:19,603 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 09:34:19,603 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 09:34:19,604 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/id_build.i.v+lhb-reducer.c [2019-09-17 09:34:19,665 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c5a401a6/42e9114a1965413986e00e6bda08ffbb/FLAGfd029baa4 [2019-09-17 09:34:20,127 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 09:34:20,130 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/id_build.i.v+lhb-reducer.c [2019-09-17 09:34:20,142 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c5a401a6/42e9114a1965413986e00e6bda08ffbb/FLAGfd029baa4 [2019-09-17 09:34:20,502 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c5a401a6/42e9114a1965413986e00e6bda08ffbb [2019-09-17 09:34:20,511 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 09:34:20,512 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 09:34:20,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 09:34:20,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 09:34:20,516 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 09:34:20,517 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 09:34:20" (1/1) ... [2019-09-17 09:34:20,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ac59b75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:34:20, skipping insertion in model container [2019-09-17 09:34:20,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 09:34:20" (1/1) ... [2019-09-17 09:34:20,527 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 09:34:20,546 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 09:34:20,735 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 09:34:20,740 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 09:34:20,758 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 09:34:20,773 INFO L192 MainTranslator]: Completed translation [2019-09-17 09:34:20,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:34:20 WrapperNode [2019-09-17 09:34:20,774 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 09:34:20,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 09:34:20,775 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 09:34:20,775 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 09:34:20,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:34:20" (1/1) ... [2019-09-17 09:34:20,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:34:20" (1/1) ... [2019-09-17 09:34:20,878 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:34:20" (1/1) ... [2019-09-17 09:34:20,879 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:34:20" (1/1) ... [2019-09-17 09:34:20,883 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:34:20" (1/1) ... [2019-09-17 09:34:20,885 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:34:20" (1/1) ... [2019-09-17 09:34:20,886 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:34:20" (1/1) ... [2019-09-17 09:34:20,888 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 09:34:20,889 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 09:34:20,889 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 09:34:20,889 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 09:34:20,890 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:34:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 09:34:20,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 09:34:20,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 09:34:20,937 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 09:34:20,938 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 09:34:20,938 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-17 09:34:20,938 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-17 09:34:20,938 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 09:34:20,938 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 09:34:20,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 09:34:20,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 09:34:21,161 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 09:34:21,162 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-17 09:34:21,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 09:34:21 BoogieIcfgContainer [2019-09-17 09:34:21,164 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 09:34:21,165 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 09:34:21,173 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 09:34:21,174 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 09:34:21,175 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 09:34:21" (1/1) ... [2019-09-17 09:34:21,176 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ 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 09:34:21,223 INFO L162 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-09-17 09:34:21,224 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 09:34:21,250 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 09:34:21,263 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 09:34:21,266 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 09:34:21,359 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 10 for LOIs [2019-09-17 09:34:21,552 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2019-09-17 09:34:22,179 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 09:34:22,180 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 09:34:22,183 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 59#(and (<= 0 main_~main__i~0) (<= main_~main__nlen~0 2147483647) (<= main_~__VERIFIER_assert__cond~0 0) (<= 0 ~__return_100~0) (<= 0 ~__return_main~0) (<= main_~main__j~0 0) (<= ~__return_main~0 0) (<= ~__return_100~0 0) (<= 0 main_~main__nlen~0) (<= main_~main__i~0 0) (<= 0 main_~__VERIFIER_assert__cond~0) (<= |old(~__return_100~0)| 0) (<= main_~__tmp_1~0 0) (<= 0 main_~__tmp_1~0) (<= 0 main_~main__j~0) (<= 0 |old(~__return_100~0)|)) [2019-09-17 09:34:22,183 INFO L193 IcfgInterpreter]: Reachable states at location mainErr2ASSERT_VIOLATIONERROR_FUNCTION satisfy 56#(and (<= 1 main_~__tmp_2~0) (<= 0 main_~main__i~0) (<= main_~main__nlen~0 2147483647) (<= 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_~__VERIFIER_assert__cond~0 1) (<= 0 main_~main__nlen~0) (<= 1 main_~__VERIFIER_assert__cond~1) (<= main_~__tmp_1~0 1) (<= main_~__tmp_2~0 1) (<= main_~__tmp_3~0 0) (<= 0 main_~__VERIFIER_assert__cond~0) (<= |old(~__return_100~0)| 0) (<= 0 main_~__VERIFIER_assert__cond~2) (<= 0 main_~__tmp_1~0) (<= main_~main__j~0 8) (<= 0 main_~__tmp_3~0) (<= 0 |old(~__return_100~0)|)) [2019-09-17 09:34:22,184 INFO L193 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 48#(and (<= 0 main_~__tmp_2~0) (<= 0 main_~main__i~0) (<= main_~main__nlen~0 2147483647) (<= 0 ~__return_100~0) (<= 0 ~__return_main~0) (<= main_~__VERIFIER_assert__cond~1 0) (<= ~__return_main~0 0) (<= ~__return_100~0 0) (<= main_~__VERIFIER_assert__cond~0 1) (<= 0 main_~main__nlen~0) (<= 0 main_~__VERIFIER_assert__cond~1) (<= main_~__tmp_1~0 1) (<= 0 main_~__VERIFIER_assert__cond~0) (<= |old(~__return_100~0)| 0) (<= main_~__tmp_2~0 0) (<= 0 main_~__tmp_1~0) (<= 0 |old(~__return_100~0)|)) [2019-09-17 09:34:22,199 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 09:34:22,199 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 09:34:22,201 INFO L168 Benchmark]: Toolchain (without parser) took 1688.79 ms. Allocated memory was 139.5 MB in the beginning and 223.3 MB in the end (delta: 83.9 MB). Free memory was 86.1 MB in the beginning and 183.9 MB in the end (delta: -97.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-17 09:34:22,203 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 09:34:22,204 INFO L168 Benchmark]: CACSL2BoogieTranslator took 261.46 ms. Allocated memory is still 139.5 MB. Free memory was 85.9 MB in the beginning and 76.1 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-09-17 09:34:22,205 INFO L168 Benchmark]: Boogie Preprocessor took 113.46 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 76.1 MB in the beginning and 176.1 MB in the end (delta: -100.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-09-17 09:34:22,206 INFO L168 Benchmark]: RCFGBuilder took 275.97 ms. Allocated memory is still 199.2 MB. Free memory was 176.1 MB in the beginning and 163.3 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. [2019-09-17 09:34:22,207 INFO L168 Benchmark]: Sifa took 1034.40 ms. Allocated memory was 199.2 MB in the beginning and 223.3 MB in the end (delta: 24.1 MB). Free memory was 163.3 MB in the beginning and 183.9 MB in the end (delta: -20.5 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. [2019-09-17 09:34:22,211 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 261.46 ms. Allocated memory is still 139.5 MB. Free memory was 85.9 MB in the beginning and 76.1 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.46 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 76.1 MB in the beginning and 176.1 MB in the end (delta: -100.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 275.97 ms. Allocated memory is still 199.2 MB. Free memory was 176.1 MB in the beginning and 163.3 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. * Sifa took 1034.40 ms. Allocated memory was 199.2 MB in the beginning and 223.3 MB in the end (delta: 24.1 MB). Free memory was 163.3 MB in the beginning and 183.9 MB in the end (delta: -20.5 MB). Peak memory consumption was 3.6 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]: 960, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 46, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 38, TOOLS_POST_TIME[ms]: 58, 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: 41, TOOLS_QUANTIFIERELIM_TIME[ms]: 50, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 14, FLUID_QUERY_TIME[ms]: 8, FLUID_QUERIES: 55, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 13, DOMAIN_JOIN_TIME[ms]: 724, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 24, DOMAIN_ISSUBSETEQ_APPLICATIONS: 9, DOMAIN_ISSUBSETEQ_TIME[ms]: 18, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 3, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 644, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 644, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 9, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 39, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 39, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 20, DAG_COMPRESSION_PROCESSED_NODES: 111, DAG_COMPRESSION_RETAINED_NODES: 47 - UnprovableResult [Line: 30]: 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 59#(and (<= 0 main_~main__i~0) (<= main_~main__nlen~0 2147483647) (<= main_~__VERIFIER_assert__cond~0 0) (<= 0 ~__return_100~0) (<= 0 ~__return_main~0) (<= main_~main__j~0 0) (<= ~__return_main~0 0) (<= ~__return_100~0 0) (<= 0 main_~main__nlen~0) (<= main_~main__i~0 0) (<= 0 main_~__VERIFIER_assert__cond~0) (<= |old(~__return_100~0)| 0) (<= main_~__tmp_1~0 0) (<= 0 main_~__tmp_1~0) (<= 0 main_~main__j~0) (<= 0 |old(~__return_100~0)|)). Possible FailurePath: - 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 56#(and (<= 1 main_~__tmp_2~0) (<= 0 main_~main__i~0) (<= main_~main__nlen~0 2147483647) (<= 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_~__VERIFIER_assert__cond~0 1) (<= 0 main_~main__nlen~0) (<= 1 main_~__VERIFIER_assert__cond~1) (<= main_~__tmp_1~0 1) (<= main_~__tmp_2~0 1) (<= main_~__tmp_3~0 0) (<= 0 main_~__VERIFIER_assert__cond~0) (<= |old(~__return_100~0)| 0) (<= 0 main_~__VERIFIER_assert__cond~2) (<= 0 main_~__tmp_1~0) (<= main_~main__j~0 8) (<= 0 main_~__tmp_3~0) (<= 0 |old(~__return_100~0)|)). 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 48#(and (<= 0 main_~__tmp_2~0) (<= 0 main_~main__i~0) (<= main_~main__nlen~0 2147483647) (<= 0 ~__return_100~0) (<= 0 ~__return_main~0) (<= main_~__VERIFIER_assert__cond~1 0) (<= ~__return_main~0 0) (<= ~__return_100~0 0) (<= main_~__VERIFIER_assert__cond~0 1) (<= 0 main_~main__nlen~0) (<= 0 main_~__VERIFIER_assert__cond~1) (<= main_~__tmp_1~0 1) (<= 0 main_~__VERIFIER_assert__cond~0) (<= |old(~__return_100~0)| 0) (<= main_~__tmp_2~0 0) (<= 0 main_~__tmp_1~0) (<= 0 |old(~__return_100~0)|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...