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 AlwaysFluid --sifa.intern.fluid AlwaysFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/loop-invgen/nested6.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 22:24:57,471 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 22:24:57,473 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 22:24:57,485 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 22:24:57,486 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 22:24:57,487 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 22:24:57,488 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 22:24:57,490 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 22:24:57,492 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 22:24:57,493 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 22:24:57,494 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 22:24:57,495 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 22:24:57,496 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 22:24:57,497 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 22:24:57,498 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 22:24:57,499 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 22:24:57,500 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 22:24:57,501 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 22:24:57,503 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 22:24:57,505 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 22:24:57,507 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 22:24:57,508 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 22:24:57,509 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 22:24:57,510 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 22:24:57,513 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 22:24:57,513 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 22:24:57,514 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 22:24:57,515 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 22:24:57,515 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 22:24:57,516 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 22:24:57,517 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 22:24:57,517 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 22:24:57,518 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 22:24:57,519 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 22:24:57,520 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 22:24:57,520 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 22:24:57,521 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 22:24:57,521 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 22:24:57,522 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 22:24:57,523 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 22:24:57,523 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 22:24:57,524 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 22:24:57,540 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 22:24:57,540 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 22:24:57,541 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 22:24:57,542 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 22:24:57,542 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 22:24:57,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 22:24:57,542 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 22:24:57,543 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 22:24:57,543 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 22:24:57,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 22:24:57,543 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 22:24:57,543 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 22:24:57,544 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 22:24:57,544 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 22:24:57,544 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 22:24:57,544 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 22:24:57,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 22:24:57,545 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 22:24:57,545 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 22:24:57,545 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 22:24:57,545 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 22:24:57,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 22:24:57,546 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 22:24:57,546 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 22:24:57,546 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 22:24:57,546 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 22:24:57,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 22:24:57,547 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 22:24:57,547 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 -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 22:24:57,587 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 22:24:57,604 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 22:24:57,607 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 22:24:57,609 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 22:24:57,610 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 22:24:57,610 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/nested6.i [2019-09-20 22:24:57,675 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e5dfe7f7/6a3ac59248b741c8a8ebf4a0eb7a62ed/FLAGa33373289 [2019-09-20 22:24:58,104 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 22:24:58,106 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/nested6.i [2019-09-20 22:24:58,112 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e5dfe7f7/6a3ac59248b741c8a8ebf4a0eb7a62ed/FLAGa33373289 [2019-09-20 22:24:58,442 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e5dfe7f7/6a3ac59248b741c8a8ebf4a0eb7a62ed [2019-09-20 22:24:58,456 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 22:24:58,457 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 22:24:58,461 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 22:24:58,461 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 22:24:58,465 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 22:24:58,466 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:24:58" (1/1) ... [2019-09-20 22:24:58,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d4abb28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:58, skipping insertion in model container [2019-09-20 22:24:58,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:24:58" (1/1) ... [2019-09-20 22:24:58,477 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 22:24:58,495 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 22:24:58,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:24:58,701 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 22:24:58,719 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:24:58,731 INFO L192 MainTranslator]: Completed translation [2019-09-20 22:24:58,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:58 WrapperNode [2019-09-20 22:24:58,731 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 22:24:58,732 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 22:24:58,732 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 22:24:58,732 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 22:24:58,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:58" (1/1) ... [2019-09-20 22:24:58,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:58" (1/1) ... [2019-09-20 22:24:58,831 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:58" (1/1) ... [2019-09-20 22:24:58,832 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:58" (1/1) ... [2019-09-20 22:24:58,836 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:58" (1/1) ... [2019-09-20 22:24:58,841 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:58" (1/1) ... [2019-09-20 22:24:58,843 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:58" (1/1) ... [2019-09-20 22:24:58,850 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 22:24:58,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 22:24:58,851 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 22:24:58,852 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 22:24:58,854 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:58" (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 22:24:58,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 22:24:58,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 22:24:58,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 22:24:58,908 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 22:24:58,908 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 22:24:58,908 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 22:24:58,909 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 22:24:58,909 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 22:24:58,909 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 22:24:58,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 22:24:58,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 22:24:59,191 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 22:24:59,191 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-20 22:24:59,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:24:59 BoogieIcfgContainer [2019-09-20 22:24:59,199 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 22:24:59,200 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 22:24:59,200 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 22:24:59,201 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 22:24:59,202 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:24:59" (1/1) ... [2019-09-20 22:24:59,202 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=AlwaysFluid ♦ 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=AlwaysFluid [2019-09-20 22:24:59,246 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 22:24:59,247 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 22:24:59,256 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 22:24:59,265 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 22:24:59,266 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 22:24:59,325 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-20 22:24:59,603 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-20 22:24:59,621 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 22:24:59,621 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 22:24:59,624 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 123#(= 0 __VERIFIER_assert_~cond) [2019-09-20 22:24:59,636 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 22:24:59,637 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 22:24:59,639 INFO L168 Benchmark]: Toolchain (without parser) took 1181.39 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 89.2 MB in the beginning and 137.4 MB in the end (delta: -48.1 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. [2019-09-20 22:24:59,640 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 133.2 MB. Free memory was 107.6 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 22:24:59,641 INFO L168 Benchmark]: CACSL2BoogieTranslator took 271.14 ms. Allocated memory is still 133.2 MB. Free memory was 89.0 MB in the beginning and 79.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-09-20 22:24:59,642 INFO L168 Benchmark]: Boogie Preprocessor took 117.85 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 79.5 MB in the beginning and 176.8 MB in the end (delta: -97.3 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. [2019-09-20 22:24:59,643 INFO L168 Benchmark]: RCFGBuilder took 348.22 ms. Allocated memory is still 200.3 MB. Free memory was 176.8 MB in the beginning and 161.6 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. [2019-09-20 22:24:59,644 INFO L168 Benchmark]: Sifa took 436.80 ms. Allocated memory is still 200.3 MB. Free memory was 161.6 MB in the beginning and 137.4 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. [2019-09-20 22:24:59,648 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 133.2 MB. Free memory was 107.6 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 271.14 ms. Allocated memory is still 133.2 MB. Free memory was 89.0 MB in the beginning and 79.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.85 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 79.5 MB in the beginning and 176.8 MB in the end (delta: -97.3 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 348.22 ms. Allocated memory is still 200.3 MB. Free memory was 176.8 MB in the beginning and 161.6 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. * Sifa took 436.80 ms. Allocated memory is still 200.3 MB. Free memory was 161.6 MB in the beginning and 137.4 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 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]: 377, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 46, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 30, TOOLS_POST_TIME[ms]: 23, TOOLS_POST_CALL_APPLICATIONS: 10, TOOLS_POST_CALL_TIME[ms]: 20, TOOLS_POST_RETURN_APPLICATIONS: 6, TOOLS_POST_RETURN_TIME[ms]: 7, TOOLS_QUANTIFIERELIM_APPLICATIONS: 46, TOOLS_QUANTIFIERELIM_TIME[ms]: 30, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 9, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 51, FLUID_YES_ANSWERS: 51, DOMAIN_JOIN_APPLICATIONS: 12, DOMAIN_JOIN_TIME[ms]: 116, DOMAIN_ALPHA_APPLICATIONS: 51, DOMAIN_ALPHA_TIME[ms]: 115, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 3, DOMAIN_ISBOTTOM_APPLICATIONS: 4, DOMAIN_ISBOTTOM_TIME[ms]: 5, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 174, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 173, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 6, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 34, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 33, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 26, DAG_COMPRESSION_PROCESSED_NODES: 124, DAG_COMPRESSION_RETAINED_NODES: 61 - 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 123#(= 0 __VERIFIER_assert_~cond). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...