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/float-benchs/Muller_Kahan.c.p+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 08:35:08,511 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 08:35:08,513 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 08:35:08,524 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 08:35:08,525 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 08:35:08,526 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 08:35:08,527 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 08:35:08,529 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 08:35:08,531 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 08:35:08,531 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 08:35:08,532 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 08:35:08,534 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 08:35:08,534 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 08:35:08,535 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 08:35:08,536 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 08:35:08,537 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 08:35:08,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 08:35:08,538 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 08:35:08,540 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 08:35:08,542 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 08:35:08,544 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 08:35:08,545 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 08:35:08,546 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 08:35:08,547 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 08:35:08,550 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 08:35:08,550 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 08:35:08,550 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 08:35:08,551 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 08:35:08,552 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 08:35:08,552 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 08:35:08,553 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 08:35:08,554 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 08:35:08,554 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 08:35:08,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 08:35:08,556 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 08:35:08,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 08:35:08,557 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 08:35:08,557 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 08:35:08,557 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 08:35:08,558 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 08:35:08,559 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 08:35:08,560 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 [2019-09-06 08:35:08,575 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 08:35:08,575 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 08:35:08,577 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 08:35:08,577 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 08:35:08,577 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 08:35:08,577 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 08:35:08,577 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 08:35:08,578 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 08:35:08,578 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 08:35:08,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 08:35:08,578 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 08:35:08,578 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 08:35:08,579 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 08:35:08,579 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 08:35:08,579 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 08:35:08,579 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 08:35:08,579 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 08:35:08,580 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 08:35:08,580 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 08:35:08,580 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 08:35:08,580 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 08:35:08,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 08:35:08,581 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 08:35:08,581 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 08:35:08,581 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 08:35:08,581 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 08:35:08,581 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 08:35:08,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 08:35:08,582 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 [2019-09-06 08:35:08,611 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 08:35:08,623 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 08:35:08,629 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 08:35:08,630 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 08:35:08,631 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 08:35:08,631 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/Muller_Kahan.c.p+cfa-reducer.c [2019-09-06 08:35:08,711 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e47610781/199993b7897541fa93c76d91487c7fe1/FLAGee4923a1d [2019-09-06 08:35:09,186 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 08:35:09,188 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/Muller_Kahan.c.p+cfa-reducer.c [2019-09-06 08:35:09,194 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e47610781/199993b7897541fa93c76d91487c7fe1/FLAGee4923a1d [2019-09-06 08:35:09,563 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e47610781/199993b7897541fa93c76d91487c7fe1 [2019-09-06 08:35:09,575 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 08:35:09,577 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 08:35:09,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 08:35:09,582 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 08:35:09,585 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 08:35:09,586 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:35:09" (1/1) ... [2019-09-06 08:35:09,590 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fd2cec3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:35:09, skipping insertion in model container [2019-09-06 08:35:09,590 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:35:09" (1/1) ... [2019-09-06 08:35:09,598 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 08:35:09,629 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 08:35:09,877 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:35:09,888 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 08:35:09,907 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:35:09,921 INFO L192 MainTranslator]: Completed translation [2019-09-06 08:35:09,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:35:09 WrapperNode [2019-09-06 08:35:09,922 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 08:35:09,922 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 08:35:09,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 08:35:09,923 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 08:35:10,028 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:35:09" (1/1) ... [2019-09-06 08:35:10,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:35:09" (1/1) ... [2019-09-06 08:35:10,034 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:35:09" (1/1) ... [2019-09-06 08:35:10,034 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:35:09" (1/1) ... [2019-09-06 08:35:10,041 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:35:09" (1/1) ... [2019-09-06 08:35:10,045 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:35:09" (1/1) ... [2019-09-06 08:35:10,046 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:35:09" (1/1) ... [2019-09-06 08:35:10,047 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 08:35:10,047 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 08:35:10,048 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 08:35:10,048 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 08:35:10,049 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:35:09" (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 [2019-09-06 08:35:10,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 08:35:10,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 08:35:10,097 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 08:35:10,097 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 08:35:10,097 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-06 08:35:10,098 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 08:35:10,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 08:35:10,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 08:35:10,269 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 08:35:10,269 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-06 08:35:10,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:35:10 BoogieIcfgContainer [2019-09-06 08:35:10,271 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 08:35:10,271 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 08:35:10,271 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 08:35:10,272 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 08:35:10,273 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:35:10" (1/1) ... [2019-09-06 08:35:10,274 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 [2019-09-06 08:35:10,341 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 08:35:10,344 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 08:35:10,361 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 08:35:10,385 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 08:35:10,389 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 08:35:10,464 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 5 for LOIs [2019-09-06 08:35:10,533 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 08:35:10,533 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 08:35:10,536 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 29#(and (<= main_~main____CPAchecker_TMP_0~0 0) (<= 100 main_~main__i~0) (<= 0 main_~main____CPAchecker_TMP_0~0) (<= 0 main_~__VERIFIER_assert__cond~0) (<= main_~__VERIFIER_assert__cond~0 0) (<= 0 ~__return_main~0) (<= main_~__tmp_1~0 0) (<= 0 main_~__tmp_1~0) (<= ~__return_main~0 0)) [2019-09-06 08:35:10,549 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 08:35:10,549 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 08:35:10,551 INFO L168 Benchmark]: Toolchain (without parser) took 973.96 ms. Allocated memory was 139.5 MB in the beginning and 198.7 MB in the end (delta: 59.2 MB). Free memory was 85.7 MB in the beginning and 156.8 MB in the end (delta: -71.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-06 08:35:10,552 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory was 104.2 MB in the beginning and 104.0 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-09-06 08:35:10,553 INFO L168 Benchmark]: CACSL2BoogieTranslator took 340.68 ms. Allocated memory is still 139.5 MB. Free memory was 85.5 MB in the beginning and 76.0 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-09-06 08:35:10,555 INFO L168 Benchmark]: Boogie Preprocessor took 124.67 ms. Allocated memory was 139.5 MB in the beginning and 198.7 MB in the end (delta: 59.2 MB). Free memory was 76.0 MB in the beginning and 176.3 MB in the end (delta: -100.3 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2019-09-06 08:35:10,555 INFO L168 Benchmark]: RCFGBuilder took 223.23 ms. Allocated memory is still 198.7 MB. Free memory was 176.3 MB in the beginning and 165.1 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-09-06 08:35:10,556 INFO L168 Benchmark]: Sifa took 277.99 ms. Allocated memory is still 198.7 MB. Free memory was 165.1 MB in the beginning and 156.8 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 7.1 GB. [2019-09-06 08:35:10,560 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory was 104.2 MB in the beginning and 104.0 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 340.68 ms. Allocated memory is still 139.5 MB. Free memory was 85.5 MB in the beginning and 76.0 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.67 ms. Allocated memory was 139.5 MB in the beginning and 198.7 MB in the end (delta: 59.2 MB). Free memory was 76.0 MB in the beginning and 176.3 MB in the end (delta: -100.3 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 223.23 ms. Allocated memory is still 198.7 MB. Free memory was 176.3 MB in the beginning and 165.1 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * Sifa took 277.99 ms. Allocated memory is still 198.7 MB. Free memory was 165.1 MB in the beginning and 156.8 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 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]: 195, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 18, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 15, TOOLS_POST_TIME[ms]: 17, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 12, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 1, TOOLS_QUANTIFIERELIM_TIME[ms]: 21, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 21, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 7, DOMAIN_JOIN_TIME[ms]: 25, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 5, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 8, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 12, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 35, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 34, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 18, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 10, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 12, DAG_COMPRESSION_PROCESSED_NODES: 52, DAG_COMPRESSION_RETAINED_NODES: 31 - 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 29#(and (<= main_~main____CPAchecker_TMP_0~0 0) (<= 100 main_~main__i~0) (<= 0 main_~main____CPAchecker_TMP_0~0) (<= 0 main_~__VERIFIER_assert__cond~0) (<= main_~__VERIFIER_assert__cond~0 0) (<= 0 ~__return_main~0) (<= main_~__tmp_1~0 0) (<= 0 main_~__tmp_1~0) (<= ~__return_main~0 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...