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.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/loop-lit/hhk2008.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:50:04,138 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:50:04,140 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:50:04,161 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:50:04,161 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:50:04,163 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:50:04,165 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:50:04,174 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:50:04,180 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:50:04,184 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:50:04,186 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:50:04,188 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:50:04,188 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:50:04,190 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:50:04,192 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:50:04,194 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:50:04,195 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:50:04,197 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:50:04,199 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:50:04,204 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:50:04,208 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:50:04,211 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:50:04,214 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:50:04,215 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:50:04,218 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:50:04,218 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:50:04,218 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:50:04,220 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:50:04,221 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:50:04,223 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:50:04,224 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:50:04,225 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:50:04,225 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:50:04,226 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:50:04,228 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:50:04,228 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:50:04,229 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:50:04,229 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:50:04,229 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:50:04,230 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:50:04,230 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:50:04,232 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 [2019-09-21 09:50:04,269 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:50:04,270 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:50:04,271 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:50:04,271 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:50:04,271 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:50:04,272 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:50:04,272 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:50:04,272 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:50:04,272 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:50:04,272 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:50:04,273 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:50:04,273 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:50:04,273 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:50:04,273 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:50:04,273 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:50:04,274 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:50:04,274 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:50:04,274 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:50:04,277 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:50:04,277 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:50:04,278 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:50:04,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:50:04,278 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:50:04,278 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:50:04,278 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:50:04,279 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:50:04,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:50:04,279 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:50:04,279 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-21 09:50:04,334 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:50:04,345 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:50:04,349 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:50:04,350 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:50:04,351 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:50:04,351 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/hhk2008.i [2019-09-21 09:50:04,412 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf6db2bbb/5887f20ce1f94f09943267a5d801466c/FLAG6c319a49f [2019-09-21 09:50:04,857 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:50:04,862 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/hhk2008.i [2019-09-21 09:50:04,869 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf6db2bbb/5887f20ce1f94f09943267a5d801466c/FLAG6c319a49f [2019-09-21 09:50:05,253 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf6db2bbb/5887f20ce1f94f09943267a5d801466c [2019-09-21 09:50:05,261 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:50:05,262 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:50:05,263 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:50:05,263 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:50:05,266 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:50:05,266 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:50:05" (1/1) ... [2019-09-21 09:50:05,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@242ad12b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:50:05, skipping insertion in model container [2019-09-21 09:50:05,270 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:50:05" (1/1) ... [2019-09-21 09:50:05,276 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:50:05,292 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:50:05,467 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:50:05,471 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:50:05,484 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:50:05,499 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:50:05,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:50:05 WrapperNode [2019-09-21 09:50:05,499 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:50:05,500 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:50:05,500 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:50:05,501 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:50:05,601 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:50:05" (1/1) ... [2019-09-21 09:50:05,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:50:05" (1/1) ... [2019-09-21 09:50:05,606 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:50:05" (1/1) ... [2019-09-21 09:50:05,606 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:50:05" (1/1) ... [2019-09-21 09:50:05,609 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:50:05" (1/1) ... [2019-09-21 09:50:05,614 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:50:05" (1/1) ... [2019-09-21 09:50:05,615 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:50:05" (1/1) ... [2019-09-21 09:50:05,616 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:50:05,617 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:50:05,617 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:50:05,617 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:50:05,618 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:50:05" (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 [2019-09-21 09:50:05,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:50:05,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:50:05,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-21 09:50:05,677 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:50:05,677 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:50:05,677 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-21 09:50:05,677 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-21 09:50:05,678 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 09:50:05,678 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:50:05,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:50:05,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:50:05,866 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:50:05,866 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-21 09:50:05,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:50:05 BoogieIcfgContainer [2019-09-21 09:50:05,868 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:50:05,868 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:50:05,868 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:50:05,868 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:50:05,870 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:50:05" (1/1) ... [2019-09-21 09:50:05,870 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ 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_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 09:50:05,894 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:50:05,894 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:50:05,901 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:50:05,909 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:50:05,911 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:50:06,006 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-21 09:50:08,867 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 292 [2019-09-21 09:50:08,989 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 292 [2019-09-21 09:50:09,140 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 277 [2019-09-21 09:50:09,636 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 348 [2019-09-21 09:50:09,750 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 348 [2019-09-21 09:50:09,958 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 326 [2019-09-21 09:50:10,285 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 256 [2019-09-21 09:50:10,599 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2019-09-21 09:50:10,844 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2019-09-21 09:50:11,127 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 372 [2019-09-21 09:50:11,291 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 341 [2019-09-21 09:50:11,425 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 341 [2019-09-21 09:50:11,565 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 286 [2019-09-21 09:50:11,823 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 405 [2019-09-21 09:50:11,881 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-21 09:50:11,887 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 09:50:11,888 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 09:50:11,890 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 191#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0)) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-21 09:50:11,915 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 09:50:11,915 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 09:50:11,918 INFO L168 Benchmark]: Toolchain (without parser) took 6654.58 ms. Allocated memory was 138.4 MB in the beginning and 467.1 MB in the end (delta: 328.7 MB). Free memory was 85.1 MB in the beginning and 357.8 MB in the end (delta: -272.6 MB). Peak memory consumption was 56.1 MB. Max. memory is 7.1 GB. [2019-09-21 09:50:11,920 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 138.4 MB. Free memory was 103.2 MB in the beginning and 103.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 09:50:11,921 INFO L168 Benchmark]: CACSL2BoogieTranslator took 236.84 ms. Allocated memory is still 138.4 MB. Free memory was 84.9 MB in the beginning and 75.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-09-21 09:50:11,923 INFO L168 Benchmark]: Boogie Preprocessor took 116.27 ms. Allocated memory was 138.4 MB in the beginning and 198.2 MB in the end (delta: 59.8 MB). Free memory was 75.5 MB in the beginning and 176.1 MB in the end (delta: -100.6 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-09-21 09:50:11,928 INFO L168 Benchmark]: RCFGBuilder took 250.87 ms. Allocated memory is still 198.2 MB. Free memory was 176.1 MB in the beginning and 163.6 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. [2019-09-21 09:50:11,929 INFO L168 Benchmark]: Sifa took 6047.32 ms. Allocated memory was 198.2 MB in the beginning and 467.1 MB in the end (delta: 269.0 MB). Free memory was 163.6 MB in the beginning and 357.8 MB in the end (delta: -194.1 MB). Peak memory consumption was 74.8 MB. Max. memory is 7.1 GB. [2019-09-21 09:50:11,940 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 138.4 MB. Free memory was 103.2 MB in the beginning and 103.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 236.84 ms. Allocated memory is still 138.4 MB. Free memory was 84.9 MB in the beginning and 75.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.27 ms. Allocated memory was 138.4 MB in the beginning and 198.2 MB in the end (delta: 59.8 MB). Free memory was 75.5 MB in the beginning and 176.1 MB in the end (delta: -100.6 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 250.87 ms. Allocated memory is still 198.2 MB. Free memory was 176.1 MB in the beginning and 163.6 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. * Sifa took 6047.32 ms. Allocated memory was 198.2 MB in the beginning and 467.1 MB in the end (delta: 269.0 MB). Free memory was 163.6 MB in the beginning and 357.8 MB in the end (delta: -194.1 MB). Peak memory consumption was 74.8 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]: 5996, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 24, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 20, TOOLS_POST_TIME[ms]: 155, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 19, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 24, TOOLS_QUANTIFIERELIM_TIME[ms]: 138, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 16, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 36, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 14, DOMAIN_JOIN_TIME[ms]: 2195, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 52, DOMAIN_WIDEN_APPLICATIONS: 11, DOMAIN_WIDEN_TIME[ms]: 3380, DOMAIN_ISSUBSETEQ_APPLICATIONS: 12, DOMAIN_ISSUBSETEQ_TIME[ms]: 117, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 5841, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5840, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 12, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 55, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 55, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 16, DAG_COMPRESSION_PROCESSED_NODES: 56, DAG_COMPRESSION_RETAINED_NODES: 33 - UnprovableResult [Line: 5]: 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 191#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0)) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...