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 SizeLimitFluid --sifa.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-regression/test_while_int.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 15:39:58,324 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 15:39:58,327 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 15:39:58,338 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 15:39:58,338 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 15:39:58,339 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 15:39:58,341 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 15:39:58,342 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 15:39:58,344 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 15:39:58,345 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 15:39:58,346 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 15:39:58,347 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 15:39:58,347 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 15:39:58,348 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 15:39:58,349 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 15:39:58,350 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 15:39:58,351 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 15:39:58,352 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 15:39:58,353 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 15:39:58,355 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 15:39:58,357 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 15:39:58,358 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 15:39:58,359 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 15:39:58,359 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 15:39:58,361 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-25 15:39:58,364 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 15:39:58,365 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 15:39:58,366 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 15:39:58,367 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 15:39:58,368 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 15:39:58,368 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 15:39:58,368 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 15:39:58,369 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 15:39:58,369 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 15:39:58,370 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 15:39:58,370 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 15:39:58,371 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 [2019-09-25 15:39:58,385 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 15:39:58,386 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 15:39:58,387 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 15:39:58,387 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 15:39:58,387 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 15:39:58,387 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 15:39:58,388 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 15:39:58,388 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 15:39:58,388 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 15:39:58,388 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 15:39:58,388 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 15:39:58,389 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 15:39:58,389 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 15:39:58,389 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 15:39:58,389 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 15:39:58,389 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 15:39:58,389 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 15:39:58,390 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 15:39:58,390 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 15:39:58,390 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 15:39:58,390 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 15:39:58,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 15:39:58,391 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 15:39:58,391 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 15:39:58,391 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 15:39:58,391 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 15:39:58,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 15:39:58,392 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 15:39:58,392 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 -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-25 15:39:58,450 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 15:39:58,466 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 15:39:58,471 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 15:39:58,473 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 15:39:58,473 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 15:39:58,474 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_while_int.i [2019-09-25 15:39:58,567 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f5e0d4ae/f601db03d8d64d738135d28af4d4ca03/FLAG4c5ff0c02 [2019-09-25 15:39:59,014 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 15:39:59,015 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_while_int.i [2019-09-25 15:39:59,022 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f5e0d4ae/f601db03d8d64d738135d28af4d4ca03/FLAG4c5ff0c02 [2019-09-25 15:39:59,399 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f5e0d4ae/f601db03d8d64d738135d28af4d4ca03 [2019-09-25 15:39:59,410 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 15:39:59,411 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 15:39:59,413 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 15:39:59,413 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 15:39:59,416 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 15:39:59,416 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:39:59" (1/1) ... [2019-09-25 15:39:59,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54f3530e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:39:59, skipping insertion in model container [2019-09-25 15:39:59,419 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:39:59" (1/1) ... [2019-09-25 15:39:59,425 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 15:39:59,439 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 15:39:59,648 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 15:39:59,652 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 15:39:59,664 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 15:39:59,679 INFO L192 MainTranslator]: Completed translation [2019-09-25 15:39:59,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:39:59 WrapperNode [2019-09-25 15:39:59,679 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 15:39:59,680 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 15:39:59,680 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 15:39:59,680 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 15:39:59,791 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:39:59" (1/1) ... [2019-09-25 15:39:59,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:39:59" (1/1) ... [2019-09-25 15:39:59,796 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:39:59" (1/1) ... [2019-09-25 15:39:59,797 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:39:59" (1/1) ... [2019-09-25 15:39:59,800 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:39:59" (1/1) ... [2019-09-25 15:39:59,805 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:39:59" (1/1) ... [2019-09-25 15:39:59,806 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:39:59" (1/1) ... [2019-09-25 15:39:59,808 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 15:39:59,808 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 15:39:59,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 15:39:59,809 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 15:39:59,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:39:59" (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 [2019-09-25 15:39:59,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 15:39:59,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 15:39:59,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2019-09-25 15:39:59,874 INFO L138 BoogieDeclarations]: Found implementation of procedure check_error [2019-09-25 15:39:59,874 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 15:39:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 15:39:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2019-09-25 15:39:59,875 INFO L130 BoogieDeclarations]: Found specification of procedure check_error [2019-09-25 15:39:59,875 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 15:39:59,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 15:39:59,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 15:40:00,064 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 15:40:00,065 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-25 15:40:00,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:40:00 BoogieIcfgContainer [2019-09-25 15:40:00,066 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 15:40:00,067 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 15:40:00,067 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 15:40:00,067 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 15:40:00,069 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:40:00" (1/1) ... [2019-09-25 15:40:00,070 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ 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 [2019-09-25 15:40:00,099 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 15:40:00,099 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 15:40:00,106 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 15:40:00,115 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 15:40:00,116 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 15:40:00,198 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-25 15:40:00,350 INFO L199 IcfgInterpreter]: Interpreting procedure check_error with input of size 6 for LOIs [2019-09-25 15:40:00,352 INFO L199 IcfgInterpreter]: Interpreting procedure __blast_assert with input of size 1 for LOIs [2019-09-25 15:40:00,354 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 15:40:00,354 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 15:40:00,359 INFO L193 IcfgInterpreter]: Reachable states at location __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 53#true [2019-09-25 15:40:00,374 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 15:40:00,374 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 15:40:00,377 INFO L168 Benchmark]: Toolchain (without parser) took 964.33 ms. Allocated memory was 136.8 MB in the beginning and 197.7 MB in the end (delta: 60.8 MB). Free memory was 84.7 MB in the beginning and 149.9 MB in the end (delta: -65.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-25 15:40:00,379 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 136.8 MB. Free memory was 102.9 MB in the beginning and 102.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 15:40:00,380 INFO L168 Benchmark]: CACSL2BoogieTranslator took 267.10 ms. Allocated memory is still 136.8 MB. Free memory was 84.5 MB in the beginning and 74.9 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-09-25 15:40:00,381 INFO L168 Benchmark]: Boogie Preprocessor took 127.82 ms. Allocated memory was 136.8 MB in the beginning and 197.7 MB in the end (delta: 60.8 MB). Free memory was 74.9 MB in the beginning and 175.4 MB in the end (delta: -100.4 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-09-25 15:40:00,383 INFO L168 Benchmark]: RCFGBuilder took 258.32 ms. Allocated memory is still 197.7 MB. Free memory was 175.4 MB in the beginning and 162.6 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. [2019-09-25 15:40:00,384 INFO L168 Benchmark]: Sifa took 307.23 ms. Allocated memory is still 197.7 MB. Free memory was 162.6 MB in the beginning and 149.9 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. [2019-09-25 15:40:00,390 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 136.8 MB. Free memory was 102.9 MB in the beginning and 102.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 267.10 ms. Allocated memory is still 136.8 MB. Free memory was 84.5 MB in the beginning and 74.9 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 127.82 ms. Allocated memory was 136.8 MB in the beginning and 197.7 MB in the end (delta: 60.8 MB). Free memory was 74.9 MB in the beginning and 175.4 MB in the end (delta: -100.4 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 258.32 ms. Allocated memory is still 197.7 MB. Free memory was 175.4 MB in the beginning and 162.6 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. * Sifa took 307.23 ms. Allocated memory is still 197.7 MB. Free memory was 162.6 MB in the beginning and 149.9 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 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]: 261, ICFG_INTERPRETER_ENTERED_PROCEDURES: 4, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 25, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 14, TOOLS_POST_TIME[ms]: 23, TOOLS_POST_CALL_APPLICATIONS: 8, TOOLS_POST_CALL_TIME[ms]: 17, TOOLS_POST_RETURN_APPLICATIONS: 5, TOOLS_POST_RETURN_TIME[ms]: 14, TOOLS_QUANTIFIERELIM_APPLICATIONS: 27, TOOLS_QUANTIFIERELIM_TIME[ms]: 40, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 14, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 28, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 8, DOMAIN_JOIN_TIME[ms]: 86, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 36, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 7, DOMAIN_ISBOTTOM_APPLICATIONS: 1, DOMAIN_ISBOTTOM_TIME[ms]: 4, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 130, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 129, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 5, CALL_SUMMARIZER_CACHE_MISSES: 3, CALL_SUMMARIZER_OVERALL_TIME[ms]: 69, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 69, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 14, DAG_COMPRESSION_PROCESSED_NODES: 53, DAG_COMPRESSION_RETAINED_NODES: 35 - UnprovableResult [Line: 6]: 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 53#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...