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-industry-pattern/mod3.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 22:25:07,178 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 22:25:07,180 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 22:25:07,192 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 22:25:07,193 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 22:25:07,194 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 22:25:07,195 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 22:25:07,197 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 22:25:07,199 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 22:25:07,200 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 22:25:07,201 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 22:25:07,202 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 22:25:07,202 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 22:25:07,203 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 22:25:07,204 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 22:25:07,205 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 22:25:07,206 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 22:25:07,207 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 22:25:07,209 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 22:25:07,211 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 22:25:07,214 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 22:25:07,215 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 22:25:07,218 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 22:25:07,219 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 22:25:07,222 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 22:25:07,230 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 22:25:07,230 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 22:25:07,231 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 22:25:07,232 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 22:25:07,233 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 22:25:07,233 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 22:25:07,234 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 22:25:07,236 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 22:25:07,236 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 22:25:07,237 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 22:25:07,238 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 22:25:07,239 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 22:25:07,266 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 22:25:07,266 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 22:25:07,269 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 22:25:07,269 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 22:25:07,269 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 22:25:07,269 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 22:25:07,270 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 22:25:07,270 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 22:25:07,270 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 22:25:07,270 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 22:25:07,271 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 22:25:07,271 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 22:25:07,272 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 22:25:07,272 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 22:25:07,272 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 22:25:07,273 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 22:25:07,273 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 22:25:07,273 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 22:25:07,273 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 22:25:07,273 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 22:25:07,274 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 22:25:07,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 22:25:07,274 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 22:25:07,274 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 22:25:07,275 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 22:25:07,275 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 22:25:07,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 22:25:07,275 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 22:25:07,275 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 22:25:07,325 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 22:25:07,342 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 22:25:07,345 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 22:25:07,347 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 22:25:07,348 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 22:25:07,348 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c [2019-09-20 22:25:07,417 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e1881c84/e01397b9b0264c6282736d146e26132c/FLAGd538219e0 [2019-09-20 22:25:07,862 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 22:25:07,863 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c [2019-09-20 22:25:07,870 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e1881c84/e01397b9b0264c6282736d146e26132c/FLAGd538219e0 [2019-09-20 22:25:08,296 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e1881c84/e01397b9b0264c6282736d146e26132c [2019-09-20 22:25:08,306 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 22:25:08,307 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 22:25:08,308 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 22:25:08,308 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 22:25:08,312 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 22:25:08,312 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:25:08" (1/1) ... [2019-09-20 22:25:08,314 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64a2e2ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:25:08, skipping insertion in model container [2019-09-20 22:25:08,315 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:25:08" (1/1) ... [2019-09-20 22:25:08,321 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 22:25:08,343 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 22:25:08,534 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:25:08,539 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 22:25:08,563 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:25:08,660 INFO L192 MainTranslator]: Completed translation [2019-09-20 22:25:08,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:25:08 WrapperNode [2019-09-20 22:25:08,660 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 22:25:08,661 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 22:25:08,661 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 22:25:08,661 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 22:25:08,671 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:25:08" (1/1) ... [2019-09-20 22:25:08,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:25:08" (1/1) ... [2019-09-20 22:25:08,680 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:25:08" (1/1) ... [2019-09-20 22:25:08,680 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:25:08" (1/1) ... [2019-09-20 22:25:08,692 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:25:08" (1/1) ... [2019-09-20 22:25:08,695 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:25:08" (1/1) ... [2019-09-20 22:25:08,696 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:25:08" (1/1) ... [2019-09-20 22:25:08,698 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 22:25:08,699 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 22:25:08,699 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 22:25:08,699 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 22:25:08,700 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:25:08" (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 22:25:08,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 22:25:08,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 22:25:08,748 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 22:25:08,748 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 22:25:08,749 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 22:25:08,749 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 22:25:08,749 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 22:25:08,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 22:25:08,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 22:25:09,021 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 22:25:09,021 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 22:25:09,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:25:09 BoogieIcfgContainer [2019-09-20 22:25:09,023 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 22:25:09,023 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 22:25:09,023 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 22:25:09,024 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 22:25:09,025 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:25:09" (1/1) ... [2019-09-20 22:25:09,025 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 22:25:09,050 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 22:25:09,050 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 22:25:09,060 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 22:25:09,068 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 22:25:09,070 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 22:25:09,258 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 22 for LOIs [2019-09-20 22:25:09,667 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 22:25:09,667 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 22:25:09,669 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 175#(= main_~__VERIFIER_assert__cond~0 0) [2019-09-20 22:25:09,681 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 22:25:09,682 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 22:25:09,686 INFO L168 Benchmark]: Toolchain (without parser) took 1375.77 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 87.7 MB in the beginning and 110.0 MB in the end (delta: -22.4 MB). Peak memory consumption was 44.7 MB. Max. memory is 7.1 GB. [2019-09-20 22:25:09,687 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 132.1 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 22:25:09,689 INFO L168 Benchmark]: CACSL2BoogieTranslator took 352.41 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 87.5 MB in the beginning and 176.1 MB in the end (delta: -88.7 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2019-09-20 22:25:09,691 INFO L168 Benchmark]: Boogie Preprocessor took 37.50 ms. Allocated memory is still 199.2 MB. Free memory was 176.1 MB in the beginning and 174.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-09-20 22:25:09,691 INFO L168 Benchmark]: RCFGBuilder took 324.08 ms. Allocated memory is still 199.2 MB. Free memory was 174.2 MB in the beginning and 157.5 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. [2019-09-20 22:25:09,693 INFO L168 Benchmark]: Sifa took 658.55 ms. Allocated memory is still 199.2 MB. Free memory was 157.5 MB in the beginning and 110.0 MB in the end (delta: 47.5 MB). Peak memory consumption was 47.5 MB. Max. memory is 7.1 GB. [2019-09-20 22:25:09,708 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 132.1 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 352.41 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 87.5 MB in the beginning and 176.1 MB in the end (delta: -88.7 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 37.50 ms. Allocated memory is still 199.2 MB. Free memory was 176.1 MB in the beginning and 174.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 324.08 ms. Allocated memory is still 199.2 MB. Free memory was 174.2 MB in the beginning and 157.5 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. * Sifa took 658.55 ms. Allocated memory is still 199.2 MB. Free memory was 157.5 MB in the beginning and 110.0 MB in the end (delta: 47.5 MB). Peak memory consumption was 47.5 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]: 619, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 53, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 46, TOOLS_POST_TIME[ms]: 47, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 35, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 3, TOOLS_QUANTIFIERELIM_APPLICATIONS: 49, TOOLS_QUANTIFIERELIM_TIME[ms]: 55, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 21, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 56, FLUID_YES_ANSWERS: 56, DOMAIN_JOIN_APPLICATIONS: 14, DOMAIN_JOIN_TIME[ms]: 279, DOMAIN_ALPHA_APPLICATIONS: 56, DOMAIN_ALPHA_TIME[ms]: 138, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 2, DOMAIN_ISBOTTOM_APPLICATIONS: 7, DOMAIN_ISBOTTOM_TIME[ms]: 9, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 335, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 334, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 62, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 61, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 34, DAG_COMPRESSION_PROCESSED_NODES: 137, DAG_COMPRESSION_RETAINED_NODES: 71 - UnprovableResult [Line: 95]: 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 175#(= main_~__VERIFIER_assert__cond~0 0). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...