/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/loop-industry-pattern/mod3.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 10:09:20,043 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 10:09:20,048 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 10:09:20,061 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 10:09:20,061 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 10:09:20,063 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 10:09:20,064 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 10:09:20,066 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 10:09:20,067 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 10:09:20,068 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 10:09:20,069 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 10:09:20,070 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 10:09:20,071 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 10:09:20,072 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 10:09:20,073 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 10:09:20,074 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 10:09:20,075 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 10:09:20,075 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 10:09:20,077 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 10:09:20,079 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 10:09:20,081 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 10:09:20,082 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 10:09:20,083 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 10:09:20,084 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 10:09:20,087 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-07 10:09:20,095 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 10:09:20,096 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 10:09:20,097 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 10:09:20,097 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 10:09:20,101 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 10:09:20,101 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 10:09:20,102 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 10:09:20,102 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 10:09:20,102 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 10:09:20,104 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 10:09:20,108 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 10:09:20,109 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 10:09:20,131 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 10:09:20,131 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 10:09:20,134 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 10:09:20,134 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 10:09:20,134 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 10:09:20,134 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 10:09:20,135 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 10:09:20,135 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 10:09:20,135 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 10:09:20,135 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 10:09:20,136 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 10:09:20,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 10:09:20,136 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 10:09:20,137 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 10:09:20,137 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 10:09:20,137 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 10:09:20,137 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 10:09:20,138 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 10:09:20,138 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 10:09:20,138 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 10:09:20,139 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 10:09:20,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 10:09:20,139 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 10:09:20,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 10:09:20,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 10:09:20,139 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 10:09:20,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 10:09:20,140 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 10:09:20,140 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 10:09:20,425 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 10:09:20,439 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 10:09:20,442 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 10:09:20,443 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 10:09:20,444 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 10:09:20,445 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+cfa-reducer.c [2019-11-07 10:09:20,525 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1642518d9/169642c68a5448b9bab4882c734ec6b3/FLAG5dee4081a [2019-11-07 10:09:21,021 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 10:09:21,022 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+cfa-reducer.c [2019-11-07 10:09:21,029 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1642518d9/169642c68a5448b9bab4882c734ec6b3/FLAG5dee4081a [2019-11-07 10:09:21,389 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1642518d9/169642c68a5448b9bab4882c734ec6b3 [2019-11-07 10:09:21,398 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 10:09:21,400 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 10:09:21,401 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 10:09:21,401 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 10:09:21,404 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 10:09:21,405 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:09:21" (1/1) ... [2019-11-07 10:09:21,408 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@180c2d46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:09:21, skipping insertion in model container [2019-11-07 10:09:21,409 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:09:21" (1/1) ... [2019-11-07 10:09:21,416 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 10:09:21,436 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 10:09:21,608 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:09:21,613 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 10:09:21,634 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:09:21,649 INFO L192 MainTranslator]: Completed translation [2019-11-07 10:09:21,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:09:21 WrapperNode [2019-11-07 10:09:21,650 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 10:09:21,650 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 10:09:21,651 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 10:09:21,651 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 10:09:21,744 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:09:21" (1/1) ... [2019-11-07 10:09:21,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:09:21" (1/1) ... [2019-11-07 10:09:21,749 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:09:21" (1/1) ... [2019-11-07 10:09:21,750 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:09:21" (1/1) ... [2019-11-07 10:09:21,754 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:09:21" (1/1) ... [2019-11-07 10:09:21,756 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:09:21" (1/1) ... [2019-11-07 10:09:21,758 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:09:21" (1/1) ... [2019-11-07 10:09:21,759 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 10:09:21,763 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 10:09:21,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 10:09:21,763 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 10:09:21,764 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:09:21" (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 10:09:21,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 10:09:21,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 10:09:21,821 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 10:09:21,821 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 10:09:21,821 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 10:09:21,822 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-07 10:09:21,822 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 10:09:21,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 10:09:21,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 10:09:22,165 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 10:09:22,165 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-07 10:09:22,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:09:22 BoogieIcfgContainer [2019-11-07 10:09:22,167 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 10:09:22,168 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 10:09:22,168 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 10:09:22,168 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 10:09:22,169 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:09:22" (1/1) ... [2019-11-07 10:09:22,170 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 10:09:22,210 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 10:09:22,210 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 10:09:22,217 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 10:09:22,225 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 10:09:22,227 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 10:09:22,280 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 8 for LOIs [2019-11-07 10:09:22,715 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 10:09:22,732 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 10:09:22,732 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 10:09:22,735 INFO L168 Benchmark]: Toolchain (without parser) took 1334.62 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 102.5 MB in the beginning and 132.0 MB in the end (delta: -29.4 MB). Peak memory consumption was 34.0 MB. Max. memory is 7.1 GB. [2019-11-07 10:09:22,737 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-11-07 10:09:22,738 INFO L168 Benchmark]: CACSL2BoogieTranslator took 249.39 ms. Allocated memory is still 138.4 MB. Free memory was 102.3 MB in the beginning and 92.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-11-07 10:09:22,739 INFO L168 Benchmark]: Boogie Preprocessor took 109.21 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 92.6 MB in the beginning and 180.2 MB in the end (delta: -87.6 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. [2019-11-07 10:09:22,740 INFO L168 Benchmark]: RCFGBuilder took 404.29 ms. Allocated memory is still 201.9 MB. Free memory was 180.2 MB in the beginning and 163.0 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 7.1 GB. [2019-11-07 10:09:22,741 INFO L168 Benchmark]: Sifa took 564.74 ms. Allocated memory is still 201.9 MB. Free memory was 163.0 MB in the beginning and 132.0 MB in the end (delta: 31.1 MB). Peak memory consumption was 31.1 MB. Max. memory is 7.1 GB. [2019-11-07 10:09:22,746 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 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 249.39 ms. Allocated memory is still 138.4 MB. Free memory was 102.3 MB in the beginning and 92.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.21 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 92.6 MB in the beginning and 180.2 MB in the end (delta: -87.6 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 404.29 ms. Allocated memory is still 201.9 MB. Free memory was 180.2 MB in the beginning and 163.0 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 7.1 GB. * Sifa took 564.74 ms. Allocated memory is still 201.9 MB. Free memory was 163.0 MB in the beginning and 132.0 MB in the end (delta: 31.1 MB). Peak memory consumption was 31.1 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]: 507, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 0, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 11, TOOLS_POST_TIME[ms]: 181, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 16, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 1, TOOLS_QUANTIFIERELIM_APPLICATIONS: 14, TOOLS_QUANTIFIERELIM_TIME[ms]: 186, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 132, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 20, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 0, DOMAIN_JOIN_TIME[ms]: 0, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 192, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 43, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 10, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 425, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 424, 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]: 4, DAG_COMPRESSION_TIME[ms]: 10, DAG_COMPRESSION_PROCESSED_NODES: 42, DAG_COMPRESSION_RETAINED_NODES: 26 - UnprovableResult [Line: 61]: 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 61#(and (<= 0 (+ main_~main____CPAchecker_TMP_0~0 2147483648)) (<= 0 ~__return_107~0) (= (ite (= (mod (ite (and (not (= 0 (mod (mod main_~main__x~0 4294967296) 3))) (< (mod main_~main__x~0 4294967296) 0)) (+ (mod (mod main_~main__x~0 4294967296) 3) (- 3)) (mod (mod main_~main__x~0 4294967296) 3)) 4294967296) 0) 1 0) main_~__tmp_1~0) (<= 0 ~__return_main~0) (= main_~__VERIFIER_assert__cond~0 0) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (<= ~__return_main~0 0) (= 0 main_~main____CPAchecker_TMP_0~0) (<= ~__return_107~0 0) (<= main_~main__y~0 1) (<= |old(~__return_107~0)| 0) (<= 0 |old(~__return_107~0)|) (= 0 (mod main_~main__y~0 4294967296)) (<= main_~main____CPAchecker_TMP_0~0 2147483647)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...