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 0.1.24-673a906-m [2019-10-04 09:27:21,144 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-04 09:27:21,146 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-04 09:27:21,158 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-04 09:27:21,158 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-04 09:27:21,159 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-04 09:27:21,160 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-04 09:27:21,162 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-04 09:27:21,164 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-04 09:27:21,165 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-04 09:27:21,166 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-04 09:27:21,167 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-04 09:27:21,167 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-04 09:27:21,168 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-04 09:27:21,169 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-04 09:27:21,170 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-04 09:27:21,171 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-04 09:27:21,172 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-04 09:27:21,174 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-04 09:27:21,176 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-04 09:27:21,177 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-04 09:27:21,178 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-04 09:27:21,179 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-04 09:27:21,180 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-04 09:27:21,182 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-04 09:27:21,183 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-04 09:27:21,183 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-04 09:27:21,184 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-04 09:27:21,184 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-04 09:27:21,185 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-04 09:27:21,185 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-04 09:27:21,186 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-04 09:27:21,187 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-04 09:27:21,188 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-04 09:27:21,189 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-04 09:27:21,189 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-04 09:27:21,189 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-04 09:27:21,190 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-04 09:27:21,190 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-04 09:27:21,191 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-04 09:27:21,191 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-04 09:27:21,192 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 [2019-10-04 09:27:21,207 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-04 09:27:21,207 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-04 09:27:21,208 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-04 09:27:21,209 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-04 09:27:21,209 INFO L138 SettingsManager]: * Use SBE=true [2019-10-04 09:27:21,209 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-04 09:27:21,209 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-04 09:27:21,209 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-04 09:27:21,210 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-04 09:27:21,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-04 09:27:21,210 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-04 09:27:21,210 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-04 09:27:21,210 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-04 09:27:21,211 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-04 09:27:21,211 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-04 09:27:21,211 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-04 09:27:21,211 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-04 09:27:21,212 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-04 09:27:21,212 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-04 09:27:21,212 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-04 09:27:21,212 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-04 09:27:21,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-04 09:27:21,213 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-04 09:27:21,213 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-04 09:27:21,213 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-04 09:27:21,213 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-04 09:27:21,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-04 09:27:21,214 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-04 09:27:21,214 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 [2019-10-04 09:27:21,245 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-04 09:27:21,258 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-04 09:27:21,262 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-04 09:27:21,263 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-04 09:27:21,264 INFO L275 PluginConnector]: CDTParser initialized [2019-10-04 09:27:21,264 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/id_build.i.v+lhb-reducer.c [2019-10-04 09:27:21,326 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98ecfb98e/09a4058148a24390b1aa1a1ef51f646c/FLAG6052b8ef5 [2019-10-04 09:27:21,797 INFO L306 CDTParser]: Found 1 translation units. [2019-10-04 09:27:21,798 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/id_build.i.v+lhb-reducer.c [2019-10-04 09:27:21,805 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98ecfb98e/09a4058148a24390b1aa1a1ef51f646c/FLAG6052b8ef5 [2019-10-04 09:27:22,170 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98ecfb98e/09a4058148a24390b1aa1a1ef51f646c [2019-10-04 09:27:22,179 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-04 09:27:22,181 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-04 09:27:22,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-04 09:27:22,182 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-04 09:27:22,184 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-04 09:27:22,185 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 09:27:22" (1/1) ... [2019-10-04 09:27:22,188 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ee255a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:22, skipping insertion in model container [2019-10-04 09:27:22,188 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 09:27:22" (1/1) ... [2019-10-04 09:27:22,195 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-04 09:27:22,219 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-04 09:27:22,440 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 09:27:22,452 INFO L188 MainTranslator]: Completed pre-run [2019-10-04 09:27:22,483 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 09:27:22,497 INFO L192 MainTranslator]: Completed translation [2019-10-04 09:27:22,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:22 WrapperNode [2019-10-04 09:27:22,498 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-04 09:27:22,498 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-04 09:27:22,498 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-04 09:27:22,499 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-04 09:27:22,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:22" (1/1) ... [2019-10-04 09:27:22,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:22" (1/1) ... [2019-10-04 09:27:22,605 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:22" (1/1) ... [2019-10-04 09:27:22,605 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:22" (1/1) ... [2019-10-04 09:27:22,609 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:22" (1/1) ... [2019-10-04 09:27:22,612 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:22" (1/1) ... [2019-10-04 09:27:22,613 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:22" (1/1) ... [2019-10-04 09:27:22,615 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-04 09:27:22,615 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-04 09:27:22,615 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-04 09:27:22,616 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-04 09:27:22,616 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:27:22" (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 [2019-10-04 09:27:22,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-04 09:27:22,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-04 09:27:22,671 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-04 09:27:22,671 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-04 09:27:22,672 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-04 09:27:22,672 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-04 09:27:22,672 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-04 09:27:22,672 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-04 09:27:22,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-04 09:27:22,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-04 09:27:22,908 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-04 09:27:22,908 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-04 09:27:22,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 09:27:22 BoogieIcfgContainer [2019-10-04 09:27:22,910 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-04 09:27:22,911 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-04 09:27:22,911 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-04 09:27:22,917 INFO L275 PluginConnector]: Sifa initialized [2019-10-04 09:27:22,919 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 09:27:22" (1/1) ... [2019-10-04 09:27:22,920 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 [2019-10-04 09:27:22,966 INFO L162 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-10-04 09:27:22,966 INFO L169 IcfgInterpreter]: Building call graph [2019-10-04 09:27:22,973 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-04 09:27:22,981 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-04 09:27:22,983 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-04 09:27:23,119 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 12 for LOIs [2019-10-04 09:27:24,190 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-04 09:27:24,190 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-04 09:27:24,194 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 171#(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)|)) [2019-10-04 09:27:24,195 INFO L193 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 165#false [2019-10-04 09:27:24,196 INFO L193 IcfgInterpreter]: Reachable states at location mainErr2ASSERT_VIOLATIONERROR_FUNCTION satisfy 153#(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)|)) [2019-10-04 09:27:24,221 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-04 09:27:24,222 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-04 09:27:24,226 INFO L168 Benchmark]: Toolchain (without parser) took 2042.79 ms. Allocated memory was 139.5 MB in the beginning and 222.8 MB in the end (delta: 83.4 MB). Free memory was 87.6 MB in the beginning and 169.0 MB in the end (delta: -81.4 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-10-04 09:27:24,229 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-04 09:27:24,230 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.63 ms. Allocated memory is still 139.5 MB. Free memory was 87.4 MB in the beginning and 77.2 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-10-04 09:27:24,232 INFO L168 Benchmark]: Boogie Preprocessor took 116.55 ms. Allocated memory was 139.5 MB in the beginning and 198.7 MB in the end (delta: 59.2 MB). Free memory was 77.2 MB in the beginning and 176.1 MB in the end (delta: -98.9 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-10-04 09:27:24,233 INFO L168 Benchmark]: RCFGBuilder took 294.92 ms. Allocated memory is still 198.7 MB. Free memory was 176.1 MB in the beginning and 162.5 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. [2019-10-04 09:27:24,241 INFO L168 Benchmark]: Sifa took 1311.28 ms. Allocated memory was 198.7 MB in the beginning and 222.8 MB in the end (delta: 24.1 MB). Free memory was 162.5 MB in the beginning and 169.0 MB in the end (delta: -6.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 7.1 GB. [2019-10-04 09:27:24,253 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 316.63 ms. Allocated memory is still 139.5 MB. Free memory was 87.4 MB in the beginning and 77.2 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.55 ms. Allocated memory was 139.5 MB in the beginning and 198.7 MB in the end (delta: 59.2 MB). Free memory was 77.2 MB in the beginning and 176.1 MB in the end (delta: -98.9 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 294.92 ms. Allocated memory is still 198.7 MB. Free memory was 176.1 MB in the beginning and 162.5 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. * Sifa took 1311.28 ms. Allocated memory was 198.7 MB in the beginning and 222.8 MB in the end (delta: 24.1 MB). Free memory was 162.5 MB in the beginning and 169.0 MB in the end (delta: -6.6 MB). Peak memory consumption was 17.6 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]: 1231, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 50, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 42, TOOLS_POST_TIME[ms]: 113, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 22, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 2, TOOLS_QUANTIFIERELIM_APPLICATIONS: 45, TOOLS_QUANTIFIERELIM_TIME[ms]: 99, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 14, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 61, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 15, DOMAIN_JOIN_TIME[ms]: 632, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 291, DOMAIN_ISSUBSETEQ_APPLICATIONS: 11, DOMAIN_ISSUBSETEQ_TIME[ms]: 62, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 6, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 971, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 970, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 11, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 70, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 70, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 22, 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 - PositiveResult [Line: 43]: 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 153#(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...