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/rlim_invariant.c.p+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 08:36:16,682 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 08:36:16,684 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 08:36:16,697 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 08:36:16,697 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 08:36:16,698 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 08:36:16,699 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 08:36:16,701 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 08:36:16,703 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 08:36:16,704 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 08:36:16,705 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 08:36:16,706 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 08:36:16,706 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 08:36:16,707 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 08:36:16,708 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 08:36:16,709 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 08:36:16,710 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 08:36:16,711 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 08:36:16,713 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 08:36:16,714 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 08:36:16,716 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 08:36:16,717 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 08:36:16,718 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 08:36:16,719 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 08:36:16,721 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 08:36:16,721 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 08:36:16,722 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 08:36:16,722 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 08:36:16,723 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 08:36:16,724 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 08:36:16,724 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 08:36:16,725 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 08:36:16,725 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 08:36:16,726 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 08:36:16,727 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 08:36:16,728 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 08:36:16,728 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 08:36:16,728 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 08:36:16,729 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 08:36:16,729 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 08:36:16,730 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 08:36:16,731 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 08:36:16,746 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 08:36:16,746 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 08:36:16,747 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 08:36:16,747 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 08:36:16,748 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 08:36:16,748 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 08:36:16,748 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 08:36:16,748 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 08:36:16,748 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 08:36:16,749 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 08:36:16,749 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 08:36:16,749 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 08:36:16,749 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 08:36:16,749 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 08:36:16,750 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 08:36:16,750 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 08:36:16,750 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 08:36:16,750 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 08:36:16,750 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 08:36:16,751 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 08:36:16,751 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 08:36:16,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 08:36:16,751 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 08:36:16,751 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 08:36:16,752 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 08:36:16,752 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 08:36:16,752 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 08:36:16,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 08:36:16,752 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 08:36:16,799 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 08:36:16,811 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 08:36:16,815 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 08:36:16,816 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 08:36:16,816 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 08:36:16,818 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/rlim_invariant.c.p+cfa-reducer.c [2019-09-06 08:36:16,885 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4372ee5fb/f61f6d3112a547aea7daf6aa47f05c76/FLAGaee1bb128 [2019-09-06 08:36:17,403 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 08:36:17,404 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/rlim_invariant.c.p+cfa-reducer.c [2019-09-06 08:36:17,412 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4372ee5fb/f61f6d3112a547aea7daf6aa47f05c76/FLAGaee1bb128 [2019-09-06 08:36:17,756 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4372ee5fb/f61f6d3112a547aea7daf6aa47f05c76 [2019-09-06 08:36:17,768 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 08:36:17,769 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 08:36:17,771 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 08:36:17,771 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 08:36:17,774 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 08:36:17,775 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:36:17" (1/1) ... [2019-09-06 08:36:17,778 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23ef386 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:36:17, skipping insertion in model container [2019-09-06 08:36:17,779 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:36:17" (1/1) ... [2019-09-06 08:36:17,786 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 08:36:17,812 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 08:36:18,003 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:36:18,014 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 08:36:18,046 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:36:18,061 INFO L192 MainTranslator]: Completed translation [2019-09-06 08:36:18,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:36:18 WrapperNode [2019-09-06 08:36:18,062 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 08:36:18,063 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 08:36:18,063 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 08:36:18,063 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 08:36:18,174 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:36:18" (1/1) ... [2019-09-06 08:36:18,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:36:18" (1/1) ... [2019-09-06 08:36:18,180 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:36:18" (1/1) ... [2019-09-06 08:36:18,181 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:36:18" (1/1) ... [2019-09-06 08:36:18,187 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:36:18" (1/1) ... [2019-09-06 08:36:18,191 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:36:18" (1/1) ... [2019-09-06 08:36:18,192 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:36:18" (1/1) ... [2019-09-06 08:36:18,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 08:36:18,195 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 08:36:18,195 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 08:36:18,195 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 08:36:18,196 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:36:18" (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 08:36:18,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 08:36:18,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 08:36:18,253 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 08:36:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 08:36:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-09-06 08:36:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 08:36:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-06 08:36:18,254 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 08:36:18,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 08:36:18,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 08:36:18,499 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 08:36:18,500 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-06 08:36:18,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:36:18 BoogieIcfgContainer [2019-09-06 08:36:18,502 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 08:36:18,503 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 08:36:18,503 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 08:36:18,504 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 08:36:18,512 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:36:18" (1/1) ... [2019-09-06 08:36:18,513 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 08:36:18,560 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 08:36:18,560 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 08:36:18,568 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 08:36:18,579 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 08:36:18,580 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 08:36:18,653 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 5 for LOIs [2019-09-06 08:36:19,391 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 08:36:19,392 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 08:36:19,395 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 397#(and (<= 0 main_~main__i~0) (<= 1 main_~main____CPAchecker_TMP_0~0) (<= main_~__VERIFIER_assert__cond~0 0) (<= 0 ~__return_main~0) (<= main_~main____CPAchecker_TMP_1~0 1) (<= main_~main____CPAchecker_TMP_0~0 1) (<= ~__return_main~0 0) (<= 0 main_~main____CPAchecker_TMP_2~0) (<= 0 main_~__VERIFIER_assert__cond~0) (<= main_~main____CPAchecker_TMP_2~0 0) (<= 1 main_~main____CPAchecker_TMP_1~0) (<= main_~__tmp_1~0 0) (<= 0 main_~__tmp_1~0)) [2019-09-06 08:36:19,407 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 08:36:19,407 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 08:36:19,410 INFO L168 Benchmark]: Toolchain (without parser) took 1640.03 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 86.9 MB in the beginning and 106.2 MB in the end (delta: -19.4 MB). Peak memory consumption was 47.8 MB. Max. memory is 7.1 GB. [2019-09-06 08:36:19,411 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 132.6 MB. Free memory is still 105.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-06 08:36:19,412 INFO L168 Benchmark]: CACSL2BoogieTranslator took 291.53 ms. Allocated memory is still 132.6 MB. Free memory was 86.9 MB in the beginning and 76.7 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-09-06 08:36:19,413 INFO L168 Benchmark]: Boogie Preprocessor took 131.89 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 76.7 MB in the beginning and 175.8 MB in the end (delta: -99.1 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. [2019-09-06 08:36:19,414 INFO L168 Benchmark]: RCFGBuilder took 307.47 ms. Allocated memory is still 199.8 MB. Free memory was 175.8 MB in the beginning and 161.4 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. [2019-09-06 08:36:19,415 INFO L168 Benchmark]: Sifa took 904.57 ms. Allocated memory is still 199.8 MB. Free memory was 161.4 MB in the beginning and 106.2 MB in the end (delta: 55.1 MB). Peak memory consumption was 55.1 MB. Max. memory is 7.1 GB. [2019-09-06 08:36:19,418 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 132.6 MB. Free memory is still 105.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 291.53 ms. Allocated memory is still 132.6 MB. Free memory was 86.9 MB in the beginning and 76.7 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 131.89 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 76.7 MB in the beginning and 175.8 MB in the end (delta: -99.1 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 307.47 ms. Allocated memory is still 199.8 MB. Free memory was 175.8 MB in the beginning and 161.4 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. * Sifa took 904.57 ms. Allocated memory is still 199.8 MB. Free memory was 161.4 MB in the beginning and 106.2 MB in the end (delta: 55.1 MB). Peak memory consumption was 55.1 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]: 835, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 293, DAG_INTERPRETER_EARLY_EXITS: 8, TOOLS_POST_APPLICATIONS: 285, TOOLS_POST_TIME[ms]: 197, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 16, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 2, TOOLS_QUANTIFIERELIM_TIME[ms]: 158, FLUID_QUERY_TIME[ms]: 13, FLUID_QUERIES: 297, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 105, DOMAIN_JOIN_TIME[ms]: 154, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 4, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 11, DOMAIN_ISBOTTOM_APPLICATIONS: 87, DOMAIN_ISBOTTOM_TIME[ms]: 279, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 596, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 595, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 19, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 61, DAG_COMPRESSION_PROCESSED_NODES: 804, DAG_COMPRESSION_RETAINED_NODES: 324 - UnprovableResult [Line: 61]: 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 397#(and (<= 0 main_~main__i~0) (<= 1 main_~main____CPAchecker_TMP_0~0) (<= main_~__VERIFIER_assert__cond~0 0) (<= 0 ~__return_main~0) (<= main_~main____CPAchecker_TMP_1~0 1) (<= main_~main____CPAchecker_TMP_0~0 1) (<= ~__return_main~0 0) (<= 0 main_~main____CPAchecker_TMP_2~0) (<= 0 main_~__VERIFIER_assert__cond~0) (<= main_~main____CPAchecker_TMP_2~0 0) (<= 1 main_~main____CPAchecker_TMP_1~0) (<= main_~__tmp_1~0 0) (<= 0 main_~__tmp_1~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...