java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/loop-invariants/eq2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 06:33:37,341 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 06:33:37,346 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 06:33:37,359 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 06:33:37,359 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 06:33:37,360 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 06:33:37,361 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 06:33:37,363 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 06:33:37,365 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 06:33:37,366 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 06:33:37,367 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 06:33:37,368 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 06:33:37,368 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 06:33:37,369 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 06:33:37,370 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 06:33:37,371 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 06:33:37,372 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 06:33:37,373 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 06:33:37,375 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 06:33:37,377 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 06:33:37,379 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 06:33:37,380 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 06:33:37,382 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 06:33:37,382 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 06:33:37,385 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 06:33:37,385 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 06:33:37,386 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 06:33:37,387 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 06:33:37,387 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 06:33:37,388 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 06:33:37,388 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 06:33:37,389 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 06:33:37,390 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 06:33:37,391 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 06:33:37,392 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 06:33:37,392 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 06:33:37,393 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 06:33:37,393 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 06:33:37,394 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 06:33:37,395 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 06:33:37,395 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 06:33:37,396 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 [2019-10-15 06:33:37,413 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 06:33:37,413 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 06:33:37,415 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 06:33:37,415 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 06:33:37,415 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 06:33:37,415 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 06:33:37,415 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 06:33:37,416 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 06:33:37,416 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 06:33:37,416 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 06:33:37,416 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 06:33:37,416 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 06:33:37,417 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 06:33:37,417 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 06:33:37,417 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 06:33:37,417 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 06:33:37,417 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 06:33:37,418 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 06:33:37,418 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 06:33:37,418 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 06:33:37,418 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 06:33:37,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 06:33:37,419 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 06:33:37,419 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 06:33:37,419 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 06:33:37,419 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 06:33:37,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 06:33:37,420 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 06:33:37,420 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 06:33:37,732 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 06:33:37,750 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 06:33:37,754 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 06:33:37,756 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 06:33:37,756 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 06:33:37,757 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invariants/eq2.c [2019-10-15 06:33:37,835 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ef0f2a1d/527935807e2046df9fdc200ed642354e/FLAGc34b2331c [2019-10-15 06:33:38,320 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 06:33:38,321 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invariants/eq2.c [2019-10-15 06:33:38,328 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ef0f2a1d/527935807e2046df9fdc200ed642354e/FLAGc34b2331c [2019-10-15 06:33:38,743 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ef0f2a1d/527935807e2046df9fdc200ed642354e [2019-10-15 06:33:38,754 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 06:33:38,755 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 06:33:38,756 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 06:33:38,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 06:33:38,760 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 06:33:38,761 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:33:38" (1/1) ... [2019-10-15 06:33:38,764 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47b8df61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:33:38, skipping insertion in model container [2019-10-15 06:33:38,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:33:38" (1/1) ... [2019-10-15 06:33:38,773 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 06:33:38,790 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 06:33:38,975 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 06:33:38,981 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 06:33:39,003 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 06:33:39,021 INFO L192 MainTranslator]: Completed translation [2019-10-15 06:33:39,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:33:39 WrapperNode [2019-10-15 06:33:39,022 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 06:33:39,023 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 06:33:39,023 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 06:33:39,023 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 06:33:39,133 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:33:39" (1/1) ... [2019-10-15 06:33:39,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:33:39" (1/1) ... [2019-10-15 06:33:39,138 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:33:39" (1/1) ... [2019-10-15 06:33:39,138 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:33:39" (1/1) ... [2019-10-15 06:33:39,142 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:33:39" (1/1) ... [2019-10-15 06:33:39,147 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:33:39" (1/1) ... [2019-10-15 06:33:39,148 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:33:39" (1/1) ... [2019-10-15 06:33:39,150 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 06:33:39,150 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 06:33:39,151 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 06:33:39,151 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 06:33:39,152 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:33:39" (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 [2019-10-15 06:33:39,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 06:33:39,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 06:33:39,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-15 06:33:39,211 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 06:33:39,212 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 06:33:39,212 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-15 06:33:39,212 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-15 06:33:39,212 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 06:33:39,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 06:33:39,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 06:33:39,415 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 06:33:39,416 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 06:33:39,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:33:39 BoogieIcfgContainer [2019-10-15 06:33:39,418 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 06:33:39,418 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-15 06:33:39,418 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-15 06:33:39,419 INFO L275 PluginConnector]: Sifa initialized [2019-10-15 06:33:39,420 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:33:39" (1/1) ... [2019-10-15 06:33:39,422 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ 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 [2019-10-15 06:33:39,460 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-15 06:33:39,460 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 06:33:39,473 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 06:33:39,512 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 06:33:39,515 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 06:33:39,658 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-10-15 06:33:39,799 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-10-15 06:33:39,828 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-15 06:33:39,845 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-15 06:33:39,846 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-15 06:33:39,849 INFO L168 Benchmark]: Toolchain (without parser) took 1092.60 ms. Allocated memory was 142.1 MB in the beginning and 199.2 MB in the end (delta: 57.1 MB). Free memory was 100.0 MB in the beginning and 152.3 MB in the end (delta: -52.3 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-10-15 06:33:39,850 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 142.1 MB. Free memory is still 118.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 06:33:39,852 INFO L168 Benchmark]: CACSL2BoogieTranslator took 265.76 ms. Allocated memory is still 142.1 MB. Free memory was 100.0 MB in the beginning and 90.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-10-15 06:33:39,853 INFO L168 Benchmark]: Boogie Preprocessor took 127.39 ms. Allocated memory was 142.1 MB in the beginning and 199.2 MB in the end (delta: 57.1 MB). Free memory was 90.7 MB in the beginning and 177.2 MB in the end (delta: -86.5 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-10-15 06:33:39,855 INFO L168 Benchmark]: RCFGBuilder took 267.35 ms. Allocated memory is still 199.2 MB. Free memory was 177.2 MB in the beginning and 165.6 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2019-10-15 06:33:39,856 INFO L168 Benchmark]: Sifa took 427.81 ms. Allocated memory is still 199.2 MB. Free memory was 165.6 MB in the beginning and 152.3 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. [2019-10-15 06:33:39,862 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 142.1 MB. Free memory is still 118.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 265.76 ms. Allocated memory is still 142.1 MB. Free memory was 100.0 MB in the beginning and 90.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 127.39 ms. Allocated memory was 142.1 MB in the beginning and 199.2 MB in the end (delta: 57.1 MB). Free memory was 90.7 MB in the beginning and 177.2 MB in the end (delta: -86.5 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 267.35 ms. Allocated memory is still 199.2 MB. Free memory was 177.2 MB in the beginning and 165.6 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. * Sifa took 427.81 ms. Allocated memory is still 199.2 MB. Free memory was 165.6 MB in the beginning and 152.3 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 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]: 369, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 13, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 9, TOOLS_POST_TIME[ms]: 32, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 17, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 13, TOOLS_QUANTIFIERELIM_TIME[ms]: 36, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11, FLUID_QUERY_TIME[ms]: 16, FLUID_QUERIES: 16, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 5, DOMAIN_JOIN_TIME[ms]: 130, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 46, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 8, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 119, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 119, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 77, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 76, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 16, DAG_COMPRESSION_PROCESSED_NODES: 44, DAG_COMPRESSION_RETAINED_NODES: 28 - 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 47#(and (or (and (= |__VERIFIER_assert_#in~cond| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...