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-efa34d5 [2019-09-19 17:00:51,440 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 17:00:51,442 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 17:00:51,454 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 17:00:51,455 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 17:00:51,456 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 17:00:51,457 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 17:00:51,459 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 17:00:51,461 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 17:00:51,462 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 17:00:51,465 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 17:00:51,467 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 17:00:51,467 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 17:00:51,472 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 17:00:51,473 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 17:00:51,475 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 17:00:51,478 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 17:00:51,479 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 17:00:51,481 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 17:00:51,489 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 17:00:51,495 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 17:00:51,498 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 17:00:51,499 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 17:00:51,500 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 17:00:51,502 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-19 17:00:51,510 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 17:00:51,512 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 17:00:51,513 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 17:00:51,514 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 17:00:51,515 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 17:00:51,515 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 17:00:51,516 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 17:00:51,516 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 17:00:51,516 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 17:00:51,517 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 17:00:51,518 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 17:00:51,519 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 [2019-09-19 17:00:51,533 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 17:00:51,533 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 17:00:51,535 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 17:00:51,535 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 17:00:51,535 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 17:00:51,535 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 17:00:51,536 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 17:00:51,536 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 17:00:51,536 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 17:00:51,536 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 17:00:51,536 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 17:00:51,537 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 17:00:51,537 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 17:00:51,537 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 17:00:51,537 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 17:00:51,537 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 17:00:51,538 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 17:00:51,538 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 17:00:51,538 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 17:00:51,538 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 17:00:51,538 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 17:00:51,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 17:00:51,539 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 17:00:51,539 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 17:00:51,539 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 17:00:51,539 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 17:00:51,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 17:00:51,540 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 17:00:51,540 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 [2019-09-19 17:00:51,584 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 17:00:51,597 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 17:00:51,600 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 17:00:51,602 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 17:00:51,602 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 17:00:51,603 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c [2019-09-19 17:00:51,679 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92aaa4acc/7d12caea9fdb46f5a6c27e234321a9de/FLAG15b4d629b [2019-09-19 17:00:52,181 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 17:00:52,182 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c [2019-09-19 17:00:52,192 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92aaa4acc/7d12caea9fdb46f5a6c27e234321a9de/FLAG15b4d629b [2019-09-19 17:00:52,580 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92aaa4acc/7d12caea9fdb46f5a6c27e234321a9de [2019-09-19 17:00:52,593 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 17:00:52,595 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 17:00:52,596 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 17:00:52,596 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 17:00:52,600 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 17:00:52,601 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 05:00:52" (1/1) ... [2019-09-19 17:00:52,603 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fed0204 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:00:52, skipping insertion in model container [2019-09-19 17:00:52,603 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 05:00:52" (1/1) ... [2019-09-19 17:00:52,610 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 17:00:52,631 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 17:00:52,845 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 17:00:52,850 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 17:00:52,877 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 17:00:52,981 INFO L192 MainTranslator]: Completed translation [2019-09-19 17:00:52,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:00:52 WrapperNode [2019-09-19 17:00:52,982 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 17:00:52,983 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 17:00:52,983 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 17:00:52,983 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 17:00:52,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:00:52" (1/1) ... [2019-09-19 17:00:52,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:00:52" (1/1) ... [2019-09-19 17:00:52,998 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:00:52" (1/1) ... [2019-09-19 17:00:52,998 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:00:52" (1/1) ... [2019-09-19 17:00:53,004 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:00:52" (1/1) ... [2019-09-19 17:00:53,007 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:00:52" (1/1) ... [2019-09-19 17:00:53,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:00:52" (1/1) ... [2019-09-19 17:00:53,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 17:00:53,011 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 17:00:53,012 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 17:00:53,012 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 17:00:53,015 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:00:52" (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 [2019-09-19 17:00:53,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 17:00:53,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 17:00:53,072 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 17:00:53,072 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 17:00:53,072 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 17:00:53,072 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-19 17:00:53,072 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 17:00:53,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 17:00:53,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 17:00:53,356 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 17:00:53,357 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-19 17:00:53,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 05:00:53 BoogieIcfgContainer [2019-09-19 17:00:53,359 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 17:00:53,360 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 17:00:53,360 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 17:00:53,360 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 17:00:53,362 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 05:00:53" (1/1) ... [2019-09-19 17:00:53,363 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 [2019-09-19 17:00:53,411 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 17:00:53,411 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 17:00:53,419 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 17:00:53,434 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 17:00:53,438 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 17:00:53,602 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 22 for LOIs [2019-09-19 17:00:54,171 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 17:00:54,171 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 17:00:54,174 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 175#(= main_~__VERIFIER_assert__cond~0 0) [2019-09-19 17:00:54,188 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 17:00:54,189 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 17:00:54,193 INFO L168 Benchmark]: Toolchain (without parser) took 1596.40 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 89.7 MB in the beginning and 111.8 MB in the end (delta: -22.1 MB). Peak memory consumption was 44.0 MB. Max. memory is 7.1 GB. [2019-09-19 17:00:54,194 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 133.7 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-19 17:00:54,196 INFO L168 Benchmark]: CACSL2BoogieTranslator took 386.28 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 89.5 MB in the beginning and 177.2 MB in the end (delta: -87.7 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2019-09-19 17:00:54,198 INFO L168 Benchmark]: Boogie Preprocessor took 28.50 ms. Allocated memory is still 199.8 MB. Free memory was 177.2 MB in the beginning and 175.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-09-19 17:00:54,200 INFO L168 Benchmark]: RCFGBuilder took 347.66 ms. Allocated memory is still 199.8 MB. Free memory was 175.0 MB in the beginning and 158.4 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. [2019-09-19 17:00:54,201 INFO L168 Benchmark]: Sifa took 829.79 ms. Allocated memory is still 199.8 MB. Free memory was 158.4 MB in the beginning and 111.8 MB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 7.1 GB. [2019-09-19 17:00:54,219 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 133.7 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 386.28 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 89.5 MB in the beginning and 177.2 MB in the end (delta: -87.7 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 28.50 ms. Allocated memory is still 199.8 MB. Free memory was 177.2 MB in the beginning and 175.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 347.66 ms. Allocated memory is still 199.8 MB. Free memory was 175.0 MB in the beginning and 158.4 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. * Sifa took 829.79 ms. Allocated memory is still 199.8 MB. Free memory was 158.4 MB in the beginning and 111.8 MB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 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]: 763, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 53, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 46, TOOLS_POST_TIME[ms]: 62, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 24, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 3, TOOLS_QUANTIFIERELIM_APPLICATIONS: 49, TOOLS_QUANTIFIERELIM_TIME[ms]: 58, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 14, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 56, FLUID_YES_ANSWERS: 56, DOMAIN_JOIN_APPLICATIONS: 14, DOMAIN_JOIN_TIME[ms]: 410, DOMAIN_ALPHA_APPLICATIONS: 56, DOMAIN_ALPHA_TIME[ms]: 139, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 4, DOMAIN_ISBOTTOM_APPLICATIONS: 7, DOMAIN_ISBOTTOM_TIME[ms]: 16, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 491, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 490, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 76, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 76, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 13, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 24, 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...