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 NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/loop-invgen/SpamAssassin-loop.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 23:15:26,310 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 23:15:26,312 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 23:15:26,325 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 23:15:26,325 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 23:15:26,326 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 23:15:26,328 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 23:15:26,329 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 23:15:26,331 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 23:15:26,332 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 23:15:26,333 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 23:15:26,334 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 23:15:26,335 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 23:15:26,336 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 23:15:26,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 23:15:26,338 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 23:15:26,339 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 23:15:26,340 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 23:15:26,342 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 23:15:26,344 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 23:15:26,346 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 23:15:26,347 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 23:15:26,348 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 23:15:26,349 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 23:15:26,355 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 23:15:26,355 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 23:15:26,355 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 23:15:26,358 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 23:15:26,358 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 23:15:26,362 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 23:15:26,362 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 23:15:26,363 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 23:15:26,364 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 23:15:26,365 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 23:15:26,366 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 23:15:26,366 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 23:15:26,367 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 23:15:26,367 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 23:15:26,367 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 23:15:26,371 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 23:15:26,373 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 23:15:26,374 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 [2019-09-20 23:15:26,402 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 23:15:26,402 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 23:15:26,405 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 23:15:26,405 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 23:15:26,405 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 23:15:26,405 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 23:15:26,406 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 23:15:26,406 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 23:15:26,406 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 23:15:26,406 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 23:15:26,407 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 23:15:26,408 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 23:15:26,408 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 23:15:26,408 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 23:15:26,408 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 23:15:26,409 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 23:15:26,409 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 23:15:26,409 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 23:15:26,409 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 23:15:26,409 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 23:15:26,410 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 23:15:26,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 23:15:26,410 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 23:15:26,411 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 23:15:26,411 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 23:15:26,411 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 23:15:26,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 23:15:26,412 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 23:15:26,412 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 -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 23:15:26,469 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 23:15:26,487 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 23:15:26,492 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 23:15:26,494 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 23:15:26,494 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 23:15:26,495 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/SpamAssassin-loop.i [2019-09-20 23:15:26,563 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f0cdcb28/a655669024b54460a3fb06a9f6614dfa/FLAG3d719d5ac [2019-09-20 23:15:27,000 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 23:15:27,004 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/SpamAssassin-loop.i [2019-09-20 23:15:27,014 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f0cdcb28/a655669024b54460a3fb06a9f6614dfa/FLAG3d719d5ac [2019-09-20 23:15:27,401 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f0cdcb28/a655669024b54460a3fb06a9f6614dfa [2019-09-20 23:15:27,412 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 23:15:27,413 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 23:15:27,414 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 23:15:27,414 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 23:15:27,418 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 23:15:27,419 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:15:27" (1/1) ... [2019-09-20 23:15:27,422 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15f458dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:15:27, skipping insertion in model container [2019-09-20 23:15:27,422 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:15:27" (1/1) ... [2019-09-20 23:15:27,430 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 23:15:27,449 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 23:15:27,684 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:15:27,687 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 23:15:27,707 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:15:27,720 INFO L192 MainTranslator]: Completed translation [2019-09-20 23:15:27,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:15:27 WrapperNode [2019-09-20 23:15:27,720 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 23:15:27,721 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 23:15:27,721 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 23:15:27,721 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 23:15:27,825 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:15:27" (1/1) ... [2019-09-20 23:15:27,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:15:27" (1/1) ... [2019-09-20 23:15:27,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:15:27" (1/1) ... [2019-09-20 23:15:27,840 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:15:27" (1/1) ... [2019-09-20 23:15:27,848 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:15:27" (1/1) ... [2019-09-20 23:15:27,859 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:15:27" (1/1) ... [2019-09-20 23:15:27,861 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:15:27" (1/1) ... [2019-09-20 23:15:27,863 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 23:15:27,863 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 23:15:27,863 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 23:15:27,864 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 23:15:27,864 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:15:27" (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 [2019-09-20 23:15:27,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 23:15:27,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 23:15:27,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 23:15:27,921 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 23:15:27,921 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 23:15:27,921 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 23:15:27,921 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 23:15:27,922 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 23:15:27,922 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 23:15:27,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 23:15:27,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 23:15:28,215 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 23:15:28,216 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-20 23:15:28,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:15:28 BoogieIcfgContainer [2019-09-20 23:15:28,218 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 23:15:28,218 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 23:15:28,218 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 23:15:28,219 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 23:15:28,220 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:15:28" (1/1) ... [2019-09-20 23:15:28,220 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ 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=NeverFluid [2019-09-20 23:15:28,244 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 23:15:28,244 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 23:15:28,253 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 23:15:28,264 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 23:15:28,265 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 23:15:28,338 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-20 23:15:28,663 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 17 [2019-09-20 23:15:29,031 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 28 [2019-09-20 23:15:29,194 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 26 [2019-09-20 23:15:29,395 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 23 [2019-09-20 23:15:29,714 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2019-09-20 23:15:29,922 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 42 [2019-09-20 23:15:30,151 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2019-09-20 23:15:31,404 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 35 [2019-09-20 23:15:31,558 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 35 [2019-09-20 23:15:32,338 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 23 [2019-09-20 23:15:32,583 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 35 [2019-09-20 23:15:32,748 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 35 [2019-09-20 23:15:32,924 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 35 [2019-09-20 23:15:33,604 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-20 23:15:33,621 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 23:15:33,621 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 23:15:33,624 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 444#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-20 23:15:33,657 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 23:15:33,657 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 23:15:33,661 INFO L168 Benchmark]: Toolchain (without parser) took 6246.59 ms. Allocated memory was 140.0 MB in the beginning and 315.6 MB in the end (delta: 175.6 MB). Free memory was 87.3 MB in the beginning and 143.5 MB in the end (delta: -56.2 MB). Peak memory consumption was 119.5 MB. Max. memory is 7.1 GB. [2019-09-20 23:15:33,664 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 140.0 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 23:15:33,666 INFO L168 Benchmark]: CACSL2BoogieTranslator took 306.56 ms. Allocated memory is still 140.0 MB. Free memory was 87.1 MB in the beginning and 77.2 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-09-20 23:15:33,667 INFO L168 Benchmark]: Boogie Preprocessor took 141.82 ms. Allocated memory was 140.0 MB in the beginning and 196.1 MB in the end (delta: 56.1 MB). Free memory was 77.2 MB in the beginning and 173.1 MB in the end (delta: -95.8 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2019-09-20 23:15:33,671 INFO L168 Benchmark]: RCFGBuilder took 354.49 ms. Allocated memory is still 196.1 MB. Free memory was 173.1 MB in the beginning and 156.7 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. [2019-09-20 23:15:33,672 INFO L168 Benchmark]: Sifa took 5440.08 ms. Allocated memory was 196.1 MB in the beginning and 315.6 MB in the end (delta: 119.5 MB). Free memory was 156.7 MB in the beginning and 143.5 MB in the end (delta: 13.2 MB). Peak memory consumption was 132.7 MB. Max. memory is 7.1 GB. [2019-09-20 23:15:33,682 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 140.0 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 306.56 ms. Allocated memory is still 140.0 MB. Free memory was 87.1 MB in the beginning and 77.2 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 141.82 ms. Allocated memory was 140.0 MB in the beginning and 196.1 MB in the end (delta: 56.1 MB). Free memory was 77.2 MB in the beginning and 173.1 MB in the end (delta: -95.8 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 354.49 ms. Allocated memory is still 196.1 MB. Free memory was 173.1 MB in the beginning and 156.7 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. * Sifa took 5440.08 ms. Allocated memory was 196.1 MB in the beginning and 315.6 MB in the end (delta: 119.5 MB). Free memory was 156.7 MB in the beginning and 143.5 MB in the end (delta: 13.2 MB). Peak memory consumption was 132.7 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]: 5381, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 232, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 104, TOOLS_POST_TIME[ms]: 147, TOOLS_POST_CALL_APPLICATIONS: 106, TOOLS_POST_CALL_TIME[ms]: 334, TOOLS_POST_RETURN_APPLICATIONS: 89, TOOLS_POST_RETURN_TIME[ms]: 133, TOOLS_QUANTIFIERELIM_APPLICATIONS: 299, TOOLS_QUANTIFIERELIM_TIME[ms]: 502, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 41, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 242, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 61, DOMAIN_JOIN_TIME[ms]: 3781, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 764, DOMAIN_ISSUBSETEQ_APPLICATIONS: 10, DOMAIN_ISSUBSETEQ_TIME[ms]: 13, DOMAIN_ISBOTTOM_APPLICATIONS: 39, DOMAIN_ISBOTTOM_TIME[ms]: 59, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 4721, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4720, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 10, CALL_SUMMARIZER_APPLICATIONS: 89, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 59, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 55, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 52, DAG_COMPRESSION_PROCESSED_NODES: 264, DAG_COMPRESSION_RETAINED_NODES: 118 - 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 444#(and (= 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...