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 IntervalDomain -i ../../../trunk/examples/svcomp/reducercommutativity/sum05-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-05 15:27:26,637 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-05 15:27:26,639 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-05 15:27:26,651 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-05 15:27:26,651 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-05 15:27:26,653 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-05 15:27:26,654 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-05 15:27:26,657 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-05 15:27:26,659 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-05 15:27:26,660 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-05 15:27:26,663 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-05 15:27:26,667 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-05 15:27:26,667 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-05 15:27:26,668 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-05 15:27:26,669 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-05 15:27:26,671 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-05 15:27:26,672 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-05 15:27:26,673 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-05 15:27:26,677 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-05 15:27:26,681 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-05 15:27:26,683 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-05 15:27:26,684 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-05 15:27:26,686 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-05 15:27:26,687 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-05 15:27:26,689 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-05 15:27:26,695 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-05 15:27:26,696 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-05 15:27:26,696 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-05 15:27:26,697 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-05 15:27:26,702 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-05 15:27:26,702 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-05 15:27:26,703 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-05 15:27:26,703 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-05 15:27:26,704 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-05 15:27:26,706 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-05 15:27:26,707 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-05 15:27:26,708 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 [2019-09-05 15:27:26,724 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-05 15:27:26,724 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-05 15:27:26,725 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-05 15:27:26,725 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-05 15:27:26,726 INFO L138 SettingsManager]: * Use SBE=true [2019-09-05 15:27:26,726 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-05 15:27:26,726 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-05 15:27:26,726 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-05 15:27:26,727 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-05 15:27:26,727 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-05 15:27:26,727 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-05 15:27:26,727 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-05 15:27:26,727 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-05 15:27:26,728 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-05 15:27:26,728 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-05 15:27:26,728 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-05 15:27:26,728 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-05 15:27:26,728 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-05 15:27:26,729 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-05 15:27:26,729 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-05 15:27:26,729 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-05 15:27:26,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-05 15:27:26,730 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-05 15:27:26,730 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-05 15:27:26,730 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-05 15:27:26,730 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-05 15:27:26,730 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-05 15:27:26,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-05 15:27:26,731 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2019-09-05 15:27:26,762 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-05 15:27:26,779 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-05 15:27:26,785 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-05 15:27:26,787 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-05 15:27:26,787 INFO L275 PluginConnector]: CDTParser initialized [2019-09-05 15:27:26,788 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/sum05-2.i [2019-09-05 15:27:26,861 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b11963738/2acde76d317a4cb4aebebedbd30d7249/FLAG1fe84f3b7 [2019-09-05 15:27:27,360 INFO L306 CDTParser]: Found 1 translation units. [2019-09-05 15:27:27,363 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/sum05-2.i [2019-09-05 15:27:27,370 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b11963738/2acde76d317a4cb4aebebedbd30d7249/FLAG1fe84f3b7 [2019-09-05 15:27:27,719 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b11963738/2acde76d317a4cb4aebebedbd30d7249 [2019-09-05 15:27:27,730 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-05 15:27:27,731 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-05 15:27:27,732 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-05 15:27:27,732 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-05 15:27:27,735 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-05 15:27:27,736 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 03:27:27" (1/1) ... [2019-09-05 15:27:27,739 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dbe552c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:27:27, skipping insertion in model container [2019-09-05 15:27:27,739 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 03:27:27" (1/1) ... [2019-09-05 15:27:27,747 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-05 15:27:27,762 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-05 15:27:27,951 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 15:27:27,966 INFO L188 MainTranslator]: Completed pre-run [2019-09-05 15:27:27,990 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 15:27:28,010 INFO L192 MainTranslator]: Completed translation [2019-09-05 15:27:28,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:27:28 WrapperNode [2019-09-05 15:27:28,011 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-05 15:27:28,011 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-05 15:27:28,011 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-05 15:27:28,012 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-05 15:27:28,104 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:27:28" (1/1) ... [2019-09-05 15:27:28,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:27:28" (1/1) ... [2019-09-05 15:27:28,112 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:27:28" (1/1) ... [2019-09-05 15:27:28,113 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:27:28" (1/1) ... [2019-09-05 15:27:28,128 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:27:28" (1/1) ... [2019-09-05 15:27:28,136 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:27:28" (1/1) ... [2019-09-05 15:27:28,138 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:27:28" (1/1) ... [2019-09-05 15:27:28,140 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-05 15:27:28,141 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-05 15:27:28,141 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-05 15:27:28,141 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-05 15:27:28,142 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:27:28" (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 [2019-09-05 15:27:28,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-05 15:27:28,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-05 15:27:28,197 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2019-09-05 15:27:28,198 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-05 15:27:28,198 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-05 15:27:28,198 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-05 15:27:28,198 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2019-09-05 15:27:28,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-05 15:27:28,198 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-05 15:27:28,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-05 15:27:28,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-05 15:27:28,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-05 15:27:28,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-05 15:27:28,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-05 15:27:28,485 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-05 15:27:28,485 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-05 15:27:28,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 03:27:28 BoogieIcfgContainer [2019-09-05 15:27:28,487 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-05 15:27:28,487 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-05 15:27:28,487 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-05 15:27:28,487 INFO L275 PluginConnector]: Sifa initialized [2019-09-05 15:27:28,488 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 03:27:28" (1/1) ... [2019-09-05 15:27:28,489 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ 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=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-05 15:27:28,511 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-05 15:27:28,511 INFO L169 IcfgInterpreter]: Building call graph [2019-09-05 15:27:28,519 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-05 15:27:28,537 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-05 15:27:28,539 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-05 15:27:28,617 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 17 for LOIs [2019-09-05 15:27:29,023 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-05 15:27:29,144 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-05 15:27:29,144 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-05 15:27:29,147 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 80#(and (<= 0 (+ main_~ret2~0 2147483648)) (<= main_~ret~1 2147483647) (<= 4 main_~i~2) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (<= 5 main_~i~1) (<= main_~ret2~0 2147483647) (<= 0 (+ main_~ret~1 2147483648))) [2019-09-05 15:27:29,164 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-05 15:27:29,164 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-05 15:27:29,167 INFO L168 Benchmark]: Toolchain (without parser) took 1435.15 ms. Allocated memory was 132.6 MB in the beginning and 198.2 MB in the end (delta: 65.5 MB). Free memory was 88.8 MB in the beginning and 120.0 MB in the end (delta: -31.3 MB). Peak memory consumption was 34.3 MB. Max. memory is 7.1 GB. [2019-09-05 15:27:29,168 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 132.6 MB. Free memory was 107.0 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-05 15:27:29,173 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.34 ms. Allocated memory is still 132.6 MB. Free memory was 88.5 MB in the beginning and 78.3 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-09-05 15:27:29,174 INFO L168 Benchmark]: Boogie Preprocessor took 129.06 ms. Allocated memory was 132.6 MB in the beginning and 198.2 MB in the end (delta: 65.5 MB). Free memory was 78.3 MB in the beginning and 174.0 MB in the end (delta: -95.7 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2019-09-05 15:27:29,174 INFO L168 Benchmark]: RCFGBuilder took 346.00 ms. Allocated memory is still 198.2 MB. Free memory was 174.0 MB in the beginning and 157.8 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-09-05 15:27:29,175 INFO L168 Benchmark]: Sifa took 677.54 ms. Allocated memory is still 198.2 MB. Free memory was 157.8 MB in the beginning and 120.0 MB in the end (delta: 37.8 MB). Peak memory consumption was 37.8 MB. Max. memory is 7.1 GB. [2019-09-05 15:27:29,179 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 132.6 MB. Free memory was 107.0 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 279.34 ms. Allocated memory is still 132.6 MB. Free memory was 88.5 MB in the beginning and 78.3 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 129.06 ms. Allocated memory was 132.6 MB in the beginning and 198.2 MB in the end (delta: 65.5 MB). Free memory was 78.3 MB in the beginning and 174.0 MB in the end (delta: -95.7 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 346.00 ms. Allocated memory is still 198.2 MB. Free memory was 174.0 MB in the beginning and 157.8 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * Sifa took 677.54 ms. Allocated memory is still 198.2 MB. Free memory was 157.8 MB in the beginning and 120.0 MB in the end (delta: 37.8 MB). Peak memory consumption was 37.8 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]: 633, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 53, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 40, TOOLS_POST_TIME[ms]: 395, TOOLS_POST_CALL_APPLICATIONS: 7, TOOLS_POST_CALL_TIME[ms]: 27, TOOLS_POST_RETURN_APPLICATIONS: 6, TOOLS_POST_RETURN_TIME[ms]: 8, TOOLS_QUANTIFIERELIM_TIME[ms]: 399, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 59, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 18, DOMAIN_JOIN_TIME[ms]: 32, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 6, DOMAIN_ISSUBSETEQ_APPLICATIONS: 10, DOMAIN_ISSUBSETEQ_TIME[ms]: 43, DOMAIN_ISBOTTOM_APPLICATIONS: 7, DOMAIN_ISBOTTOM_TIME[ms]: 12, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 237, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 236, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 6, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 70, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 23, DAG_COMPRESSION_PROCESSED_NODES: 165, DAG_COMPRESSION_RETAINED_NODES: 108 - UnprovableResult [Line: 39]: 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 80#(and (<= 0 (+ main_~ret2~0 2147483648)) (<= main_~ret~1 2147483647) (<= 4 main_~i~2) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (<= 5 main_~i~1) (<= main_~ret2~0 2147483647) (<= 0 (+ main_~ret~1 2147483648))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...