/usr/bin/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/loops/terminator_02-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 10:11:13,361 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 10:11:13,363 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 10:11:13,375 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 10:11:13,376 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 10:11:13,377 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 10:11:13,378 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 10:11:13,380 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 10:11:13,382 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 10:11:13,383 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 10:11:13,384 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 10:11:13,386 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 10:11:13,386 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 10:11:13,387 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 10:11:13,388 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 10:11:13,389 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 10:11:13,390 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 10:11:13,391 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 10:11:13,393 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 10:11:13,395 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 10:11:13,397 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 10:11:13,400 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 10:11:13,401 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 10:11:13,402 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 10:11:13,406 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-07 10:11:13,412 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 10:11:13,416 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 10:11:13,418 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 10:11:13,419 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 10:11:13,420 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 10:11:13,420 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 10:11:13,421 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 10:11:13,421 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 10:11:13,421 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 10:11:13,424 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 10:11:13,427 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 10:11:13,428 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 [2019-11-07 10:11:13,451 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 10:11:13,451 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 10:11:13,453 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 10:11:13,453 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 10:11:13,454 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 10:11:13,454 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 10:11:13,454 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 10:11:13,454 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 10:11:13,455 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 10:11:13,455 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 10:11:13,456 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 10:11:13,456 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 10:11:13,456 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 10:11:13,457 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 10:11:13,457 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 10:11:13,457 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 10:11:13,457 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 10:11:13,457 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 10:11:13,458 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 10:11:13,458 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 10:11:13,458 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 10:11:13,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 10:11:13,459 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 10:11:13,459 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 10:11:13,459 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 10:11:13,459 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 10:11:13,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 10:11:13,460 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 10:11:13,460 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 [2019-11-07 10:11:13,768 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 10:11:13,787 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 10:11:13,790 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 10:11:13,792 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 10:11:13,792 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 10:11:13,793 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/terminator_02-1.c [2019-11-07 10:11:13,863 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef7613007/036024dac3a64ff8804034b186fa6888/FLAGbe62b98ba [2019-11-07 10:11:14,297 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 10:11:14,298 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/terminator_02-1.c [2019-11-07 10:11:14,305 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef7613007/036024dac3a64ff8804034b186fa6888/FLAGbe62b98ba [2019-11-07 10:11:14,655 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef7613007/036024dac3a64ff8804034b186fa6888 [2019-11-07 10:11:14,666 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 10:11:14,667 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 10:11:14,669 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 10:11:14,669 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 10:11:14,672 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 10:11:14,673 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:11:14" (1/1) ... [2019-11-07 10:11:14,676 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4091dfc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:14, skipping insertion in model container [2019-11-07 10:11:14,677 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:11:14" (1/1) ... [2019-11-07 10:11:14,685 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 10:11:14,703 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 10:11:14,929 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:11:14,934 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 10:11:14,954 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:11:14,972 INFO L192 MainTranslator]: Completed translation [2019-11-07 10:11:14,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:14 WrapperNode [2019-11-07 10:11:14,973 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 10:11:14,974 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 10:11:14,974 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 10:11:14,974 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 10:11:14,988 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:14" (1/1) ... [2019-11-07 10:11:14,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:14" (1/1) ... [2019-11-07 10:11:15,068 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:14" (1/1) ... [2019-11-07 10:11:15,068 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:14" (1/1) ... [2019-11-07 10:11:15,072 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:14" (1/1) ... [2019-11-07 10:11:15,076 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:14" (1/1) ... [2019-11-07 10:11:15,077 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:14" (1/1) ... [2019-11-07 10:11:15,078 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 10:11:15,079 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 10:11:15,079 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 10:11:15,079 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 10:11:15,080 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:14" (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 [2019-11-07 10:11:15,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 10:11:15,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 10:11:15,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-11-07 10:11:15,138 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 10:11:15,138 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 10:11:15,138 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-07 10:11:15,138 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 10:11:15,138 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-11-07 10:11:15,139 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 10:11:15,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 10:11:15,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 10:11:15,367 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 10:11:15,367 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 10:11:15,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:11:15 BoogieIcfgContainer [2019-11-07 10:11:15,369 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 10:11:15,369 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 10:11:15,369 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 10:11:15,369 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 10:11:15,371 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:11:15" (1/1) ... [2019-11-07 10:11:15,371 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 [2019-11-07 10:11:15,397 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 10:11:15,398 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 10:11:15,408 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 10:11:15,416 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 10:11:15,418 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 10:11:15,476 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-11-07 10:11:15,675 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 3 for LOIs [2019-11-07 10:11:15,679 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 10:11:15,702 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 10:11:15,702 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 10:11:15,707 INFO L168 Benchmark]: Toolchain (without parser) took 1036.65 ms. Allocated memory was 137.4 MB in the beginning and 200.8 MB in the end (delta: 63.4 MB). Free memory was 102.6 MB in the beginning and 153.6 MB in the end (delta: -51.0 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. [2019-11-07 10:11:15,708 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-07 10:11:15,711 INFO L168 Benchmark]: CACSL2BoogieTranslator took 305.24 ms. Allocated memory is still 137.4 MB. Free memory was 102.4 MB in the beginning and 93.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-11-07 10:11:15,712 INFO L168 Benchmark]: Boogie Preprocessor took 104.52 ms. Allocated memory was 137.4 MB in the beginning and 200.8 MB in the end (delta: 63.4 MB). Free memory was 93.0 MB in the beginning and 180.2 MB in the end (delta: -87.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. [2019-11-07 10:11:15,713 INFO L168 Benchmark]: RCFGBuilder took 289.82 ms. Allocated memory is still 200.8 MB. Free memory was 179.8 MB in the beginning and 165.4 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. [2019-11-07 10:11:15,715 INFO L168 Benchmark]: Sifa took 333.10 ms. Allocated memory is still 200.8 MB. Free memory was 165.4 MB in the beginning and 153.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. [2019-11-07 10:11:15,725 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 305.24 ms. Allocated memory is still 137.4 MB. Free memory was 102.4 MB in the beginning and 93.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.52 ms. Allocated memory was 137.4 MB in the beginning and 200.8 MB in the end (delta: 63.4 MB). Free memory was 93.0 MB in the beginning and 180.2 MB in the end (delta: -87.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 289.82 ms. Allocated memory is still 200.8 MB. Free memory was 179.8 MB in the beginning and 165.4 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. * Sifa took 333.10 ms. Allocated memory is still 200.8 MB. Free memory was 165.4 MB in the beginning and 153.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 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]: 283, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 0, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 8, TOOLS_POST_TIME[ms]: 53, 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: 12, TOOLS_QUANTIFIERELIM_TIME[ms]: 57, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 22, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 18, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 0, DOMAIN_JOIN_TIME[ms]: 0, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 118, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 13, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 171, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 170, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 3, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 21, DAG_COMPRESSION_PROCESSED_NODES: 45, DAG_COMPRESSION_RETAINED_NODES: 29 - 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 21#(and (= |__VERIFIER_assert_#in~cond| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...