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-lit/bhmr2007.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 22:24:58,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 22:24:58,335 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 22:24:58,347 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 22:24:58,347 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 22:24:58,348 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 22:24:58,349 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 22:24:58,351 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 22:24:58,353 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 22:24:58,354 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 22:24:58,354 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 22:24:58,356 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 22:24:58,356 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 22:24:58,357 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 22:24:58,358 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 22:24:58,359 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 22:24:58,360 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 22:24:58,361 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 22:24:58,363 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 22:24:58,365 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 22:24:58,366 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 22:24:58,368 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 22:24:58,369 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 22:24:58,370 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 22:24:58,372 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 22:24:58,375 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 22:24:58,376 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 22:24:58,377 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 22:24:58,377 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 22:24:58,378 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 22:24:58,379 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 22:24:58,379 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 22:24:58,380 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 22:24:58,380 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 22:24:58,381 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 22:24:58,381 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 22:24:58,382 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 22:24:58,398 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 22:24:58,398 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 22:24:58,401 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 22:24:58,401 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 22:24:58,402 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 22:24:58,402 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 22:24:58,402 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 22:24:58,403 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 22:24:58,403 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 22:24:58,403 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 22:24:58,403 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 22:24:58,403 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 22:24:58,404 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 22:24:58,404 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 22:24:58,404 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 22:24:58,405 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 22:24:58,405 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 22:24:58,405 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 22:24:58,406 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 22:24:58,406 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 22:24:58,406 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 22:24:58,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 22:24:58,406 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 22:24:58,407 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 22:24:58,407 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 22:24:58,407 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 22:24:58,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 22:24:58,408 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 22:24:58,408 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 22:24:58,453 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 22:24:58,465 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 22:24:58,468 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 22:24:58,470 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 22:24:58,470 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 22:24:58,471 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/bhmr2007.i [2019-09-20 22:24:58,528 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/790de06fc/67fdd58eb829425ca4b2d5fe98461969/FLAG6c500daba [2019-09-20 22:24:58,941 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 22:24:58,944 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/bhmr2007.i [2019-09-20 22:24:58,950 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/790de06fc/67fdd58eb829425ca4b2d5fe98461969/FLAG6c500daba [2019-09-20 22:24:59,338 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/790de06fc/67fdd58eb829425ca4b2d5fe98461969 [2019-09-20 22:24:59,350 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 22:24:59,351 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 22:24:59,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 22:24:59,352 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 22:24:59,355 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 22:24:59,356 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:24:59" (1/1) ... [2019-09-20 22:24:59,359 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f808fcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:59, skipping insertion in model container [2019-09-20 22:24:59,359 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:24:59" (1/1) ... [2019-09-20 22:24:59,365 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 22:24:59,378 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 22:24:59,560 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:24:59,564 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 22:24:59,579 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:24:59,591 INFO L192 MainTranslator]: Completed translation [2019-09-20 22:24:59,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:59 WrapperNode [2019-09-20 22:24:59,592 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 22:24:59,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 22:24:59,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 22:24:59,593 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 22:24:59,696 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:59" (1/1) ... [2019-09-20 22:24:59,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:59" (1/1) ... [2019-09-20 22:24:59,701 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:59" (1/1) ... [2019-09-20 22:24:59,701 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:59" (1/1) ... [2019-09-20 22:24:59,705 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:59" (1/1) ... [2019-09-20 22:24:59,710 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:59" (1/1) ... [2019-09-20 22:24:59,711 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:59" (1/1) ... [2019-09-20 22:24:59,712 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 22:24:59,713 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 22:24:59,713 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 22:24:59,713 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 22:24:59,714 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:59" (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 [2019-09-20 22:24:59,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 22:24:59,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 22:24:59,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 22:24:59,766 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 22:24:59,766 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 22:24:59,766 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 22:24:59,767 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 22:24:59,767 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 22:24:59,767 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 22:24:59,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 22:24:59,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 22:25:00,034 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 22:25:00,034 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 22:25:00,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:25:00 BoogieIcfgContainer [2019-09-20 22:25:00,036 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 22:25:00,036 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 22:25:00,037 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 22:25:00,037 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 22:25:00,038 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:25:00" (1/1) ... [2019-09-20 22:25:00,038 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 22:25:00,079 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 22:25:00,079 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 22:25:00,088 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 22:25:00,096 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 22:25:00,098 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 22:25:00,164 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-20 22:25:00,230 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-20 22:25:00,262 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 22:25:00,262 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 22:25:00,265 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 33#(= 0 __VERIFIER_assert_~cond) [2019-09-20 22:25:00,277 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 22:25:00,277 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 22:25:00,280 INFO L168 Benchmark]: Toolchain (without parser) took 927.82 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 88.0 MB in the beginning and 150.6 MB in the end (delta: -62.6 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-09-20 22:25:00,281 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 131.6 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 22:25:00,282 INFO L168 Benchmark]: CACSL2BoogieTranslator took 240.45 ms. Allocated memory is still 131.6 MB. Free memory was 87.8 MB in the beginning and 78.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-09-20 22:25:00,283 INFO L168 Benchmark]: Boogie Preprocessor took 119.83 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 78.4 MB in the beginning and 175.6 MB in the end (delta: -97.2 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-09-20 22:25:00,284 INFO L168 Benchmark]: RCFGBuilder took 323.24 ms. Allocated memory is still 199.2 MB. Free memory was 175.6 MB in the beginning and 161.4 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. [2019-09-20 22:25:00,285 INFO L168 Benchmark]: Sifa took 241.16 ms. Allocated memory is still 199.2 MB. Free memory was 160.7 MB in the beginning and 150.6 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-09-20 22:25:00,289 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 131.6 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 240.45 ms. Allocated memory is still 131.6 MB. Free memory was 87.8 MB in the beginning and 78.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.83 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 78.4 MB in the beginning and 175.6 MB in the end (delta: -97.2 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 323.24 ms. Allocated memory is still 199.2 MB. Free memory was 175.6 MB in the beginning and 161.4 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. * Sifa took 241.16 ms. Allocated memory is still 199.2 MB. Free memory was 160.7 MB in the beginning and 150.6 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 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]: 186, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 12, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 8, TOOLS_POST_TIME[ms]: 28, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 11, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 12, TOOLS_QUANTIFIERELIM_TIME[ms]: 29, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 13, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 13, FLUID_YES_ANSWERS: 13, DOMAIN_JOIN_APPLICATIONS: 3, DOMAIN_JOIN_TIME[ms]: 26, DOMAIN_ALPHA_APPLICATIONS: 13, DOMAIN_ALPHA_TIME[ms]: 51, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 1, DOMAIN_ISSUBSETEQ_TIME[ms]: 2, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 33, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 33, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 1, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 19, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 19, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 14, DAG_COMPRESSION_PROCESSED_NODES: 50, DAG_COMPRESSION_RETAINED_NODES: 31 - 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 33#(= 0 __VERIFIER_assert_~cond). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...