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/sum60-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-05 15:27:28,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-05 15:27:28,264 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-05 15:27:28,276 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-05 15:27:28,277 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-05 15:27:28,278 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-05 15:27:28,279 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-05 15:27:28,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-05 15:27:28,283 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-05 15:27:28,284 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-05 15:27:28,285 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-05 15:27:28,286 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-05 15:27:28,286 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-05 15:27:28,287 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-05 15:27:28,288 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-05 15:27:28,289 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-05 15:27:28,290 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-05 15:27:28,291 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-05 15:27:28,293 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-05 15:27:28,294 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-05 15:27:28,296 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-05 15:27:28,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-05 15:27:28,298 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-05 15:27:28,299 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-05 15:27:28,301 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-05 15:27:28,301 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-05 15:27:28,301 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-05 15:27:28,302 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-05 15:27:28,303 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-05 15:27:28,304 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-05 15:27:28,304 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-05 15:27:28,305 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-05 15:27:28,305 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-05 15:27:28,306 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-05 15:27:28,307 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-05 15:27:28,307 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-05 15:27:28,308 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-05 15:27:28,308 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-05 15:27:28,308 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-05 15:27:28,309 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-05 15:27:28,310 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-05 15:27:28,311 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 15:27:28,325 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-05 15:27:28,325 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-05 15:27:28,326 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-05 15:27:28,326 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-05 15:27:28,327 INFO L138 SettingsManager]: * Use SBE=true [2019-09-05 15:27:28,327 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-05 15:27:28,327 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-05 15:27:28,327 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-05 15:27:28,327 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-05 15:27:28,328 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-05 15:27:28,328 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-05 15:27:28,328 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-05 15:27:28,328 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-05 15:27:28,328 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-05 15:27:28,329 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-05 15:27:28,329 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-05 15:27:28,329 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-05 15:27:28,329 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-05 15:27:28,329 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-05 15:27:28,330 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-05 15:27:28,330 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-05 15:27:28,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-05 15:27:28,330 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-05 15:27:28,330 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-05 15:27:28,331 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-05 15:27:28,331 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-05 15:27:28,331 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-05 15:27:28,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-05 15:27:28,331 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 15:27:28,362 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-05 15:27:28,375 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-05 15:27:28,379 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-05 15:27:28,380 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-05 15:27:28,381 INFO L275 PluginConnector]: CDTParser initialized [2019-09-05 15:27:28,382 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/sum60-2.i [2019-09-05 15:27:28,452 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/528d85e6c/f1bb5ec2ec6c4f9ca2d7c6d07c99c4a9/FLAG2c85c61bb [2019-09-05 15:27:28,897 INFO L306 CDTParser]: Found 1 translation units. [2019-09-05 15:27:28,898 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/sum60-2.i [2019-09-05 15:27:28,906 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/528d85e6c/f1bb5ec2ec6c4f9ca2d7c6d07c99c4a9/FLAG2c85c61bb [2019-09-05 15:27:29,288 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/528d85e6c/f1bb5ec2ec6c4f9ca2d7c6d07c99c4a9 [2019-09-05 15:27:29,301 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-05 15:27:29,302 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-05 15:27:29,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-05 15:27:29,303 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-05 15:27:29,307 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-05 15:27:29,308 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 03:27:29" (1/1) ... [2019-09-05 15:27:29,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@247e6756 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:27:29, skipping insertion in model container [2019-09-05 15:27:29,312 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 03:27:29" (1/1) ... [2019-09-05 15:27:29,320 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-05 15:27:29,342 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-05 15:27:29,557 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 15:27:29,569 INFO L188 MainTranslator]: Completed pre-run [2019-09-05 15:27:29,609 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 15:27:29,715 INFO L192 MainTranslator]: Completed translation [2019-09-05 15:27:29,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:27:29 WrapperNode [2019-09-05 15:27:29,716 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-05 15:27:29,717 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-05 15:27:29,717 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-05 15:27:29,717 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-05 15:27:29,732 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:27:29" (1/1) ... [2019-09-05 15:27:29,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:27:29" (1/1) ... [2019-09-05 15:27:29,742 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:27:29" (1/1) ... [2019-09-05 15:27:29,742 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:27:29" (1/1) ... [2019-09-05 15:27:29,750 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:27:29" (1/1) ... [2019-09-05 15:27:29,756 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:27:29" (1/1) ... [2019-09-05 15:27:29,757 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:27:29" (1/1) ... [2019-09-05 15:27:29,761 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-05 15:27:29,761 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-05 15:27:29,761 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-05 15:27:29,762 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-05 15:27:29,762 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:27:29" (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 15:27:29,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-05 15:27:29,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-05 15:27:29,810 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2019-09-05 15:27:29,810 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-05 15:27:29,810 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-05 15:27:29,810 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-05 15:27:29,811 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2019-09-05 15:27:29,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-05 15:27:29,811 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-05 15:27:29,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-05 15:27:29,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-05 15:27:29,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-05 15:27:29,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-05 15:27:29,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-05 15:27:30,106 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-05 15:27:30,106 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-05 15:27:30,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 03:27:30 BoogieIcfgContainer [2019-09-05 15:27:30,108 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-05 15:27:30,109 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-05 15:27:30,109 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-05 15:27:30,109 INFO L275 PluginConnector]: Sifa initialized [2019-09-05 15:27:30,110 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 03:27:30" (1/1) ... [2019-09-05 15:27:30,111 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 15:27:30,134 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-05 15:27:30,134 INFO L169 IcfgInterpreter]: Building call graph [2019-09-05 15:27:30,142 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-05 15:27:30,151 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-05 15:27:30,152 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-05 15:27:30,223 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 17 for LOIs [2019-09-05 15:27:30,708 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-05 15:27:30,772 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-05 15:27:30,773 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-05 15:27:30,775 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 80#(and (<= 0 (+ main_~ret2~0 2147483648)) (<= 60 main_~i~1) (<= main_~ret~1 2147483647) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (<= 59 main_~i~2) (<= main_~ret2~0 2147483647) (<= 0 (+ main_~ret~1 2147483648))) [2019-09-05 15:27:30,788 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-05 15:27:30,788 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-05 15:27:30,790 INFO L168 Benchmark]: Toolchain (without parser) took 1487.76 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 86.9 MB in the beginning and 120.1 MB in the end (delta: -33.3 MB). Peak memory consumption was 34.4 MB. Max. memory is 7.1 GB. [2019-09-05 15:27:30,791 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 132.6 MB. Free memory is still 105.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-05 15:27:30,792 INFO L168 Benchmark]: CACSL2BoogieTranslator took 412.90 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 86.4 MB in the beginning and 177.3 MB in the end (delta: -90.9 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2019-09-05 15:27:30,793 INFO L168 Benchmark]: Boogie Preprocessor took 44.32 ms. Allocated memory is still 200.3 MB. Free memory was 177.3 MB in the beginning and 175.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-09-05 15:27:30,794 INFO L168 Benchmark]: RCFGBuilder took 346.87 ms. Allocated memory is still 200.3 MB. Free memory was 175.1 MB in the beginning and 158.9 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-09-05 15:27:30,795 INFO L168 Benchmark]: Sifa took 679.66 ms. Allocated memory is still 200.3 MB. Free memory was 158.9 MB in the beginning and 120.1 MB in the end (delta: 38.8 MB). Peak memory consumption was 38.8 MB. Max. memory is 7.1 GB. [2019-09-05 15:27:30,798 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 132.6 MB. Free memory is still 105.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 412.90 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 86.4 MB in the beginning and 177.3 MB in the end (delta: -90.9 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.32 ms. Allocated memory is still 200.3 MB. Free memory was 177.3 MB in the beginning and 175.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 346.87 ms. Allocated memory is still 200.3 MB. Free memory was 175.1 MB in the beginning and 158.9 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * Sifa took 679.66 ms. Allocated memory is still 200.3 MB. Free memory was 158.9 MB in the beginning and 120.1 MB in the end (delta: 38.8 MB). Peak memory consumption was 38.8 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]: 641, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 53, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 40, TOOLS_POST_TIME[ms]: 415, TOOLS_POST_CALL_APPLICATIONS: 7, TOOLS_POST_CALL_TIME[ms]: 28, TOOLS_POST_RETURN_APPLICATIONS: 6, TOOLS_POST_RETURN_TIME[ms]: 7, TOOLS_QUANTIFIERELIM_TIME[ms]: 422, FLUID_QUERY_TIME[ms]: 7, FLUID_QUERIES: 59, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 18, DOMAIN_JOIN_TIME[ms]: 34, 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]: 19, DOMAIN_ISBOTTOM_APPLICATIONS: 7, DOMAIN_ISBOTTOM_TIME[ms]: 38, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 228, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 227, 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]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 25, 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)) (<= 60 main_~i~1) (<= main_~ret~1 2147483647) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (<= 59 main_~i~2) (<= 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...