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/nla-digbench/egcd3.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 09:08:57,688 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 09:08:57,691 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 09:08:57,708 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 09:08:57,709 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 09:08:57,711 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 09:08:57,713 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 09:08:57,722 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 09:08:57,726 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 09:08:57,729 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 09:08:57,731 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 09:08:57,734 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 09:08:57,734 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 09:08:57,736 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 09:08:57,738 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 09:08:57,739 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 09:08:57,741 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 09:08:57,742 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 09:08:57,744 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 09:08:57,749 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 09:08:57,753 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 09:08:57,756 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 09:08:57,759 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 09:08:57,760 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 09:08:57,763 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 09:08:57,763 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 09:08:57,764 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 09:08:57,766 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 09:08:57,767 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 09:08:57,768 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 09:08:57,768 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 09:08:57,770 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 09:08:57,771 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 09:08:57,771 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 09:08:57,773 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 09:08:57,773 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 09:08:57,774 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 09:08:57,774 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 09:08:57,774 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 09:08:57,775 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 09:08:57,776 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 09:08:57,777 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 09:08:57,810 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 09:08:57,811 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 09:08:57,812 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 09:08:57,813 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 09:08:57,813 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 09:08:57,814 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 09:08:57,814 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 09:08:57,814 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 09:08:57,814 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 09:08:57,814 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 09:08:57,814 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 09:08:57,815 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 09:08:57,815 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 09:08:57,815 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 09:08:57,816 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 09:08:57,817 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 09:08:57,817 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 09:08:57,817 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 09:08:57,817 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 09:08:57,817 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 09:08:57,817 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 09:08:57,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 09:08:57,818 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 09:08:57,818 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 09:08:57,818 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 09:08:57,819 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 09:08:57,819 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 09:08:57,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 09:08:57,819 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 09:08:57,872 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 09:08:57,890 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 09:08:57,894 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 09:08:57,895 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 09:08:57,896 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 09:08:57,897 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/egcd3.c [2019-09-06 09:08:57,966 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3ac2591b/fb4945bd47254e9594b6df991c980055/FLAGb7aaf4217 [2019-09-06 09:08:58,461 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 09:08:58,462 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/egcd3.c [2019-09-06 09:08:58,469 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3ac2591b/fb4945bd47254e9594b6df991c980055/FLAGb7aaf4217 [2019-09-06 09:08:58,801 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3ac2591b/fb4945bd47254e9594b6df991c980055 [2019-09-06 09:08:58,811 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 09:08:58,812 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 09:08:58,813 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 09:08:58,813 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 09:08:58,816 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 09:08:58,817 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 09:08:58" (1/1) ... [2019-09-06 09:08:58,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@680a0b48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:08:58, skipping insertion in model container [2019-09-06 09:08:58,820 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 09:08:58" (1/1) ... [2019-09-06 09:08:58,827 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 09:08:58,847 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 09:08:59,011 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 09:08:59,015 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 09:08:59,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 09:08:59,047 INFO L192 MainTranslator]: Completed translation [2019-09-06 09:08:59,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:08:59 WrapperNode [2019-09-06 09:08:59,048 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 09:08:59,048 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 09:08:59,048 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 09:08:59,048 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 09:08:59,141 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:08:59" (1/1) ... [2019-09-06 09:08:59,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:08:59" (1/1) ... [2019-09-06 09:08:59,152 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:08:59" (1/1) ... [2019-09-06 09:08:59,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:08:59" (1/1) ... [2019-09-06 09:08:59,165 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:08:59" (1/1) ... [2019-09-06 09:08:59,171 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:08:59" (1/1) ... [2019-09-06 09:08:59,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:08:59" (1/1) ... [2019-09-06 09:08:59,173 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 09:08:59,174 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 09:08:59,174 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 09:08:59,174 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 09:08:59,175 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:08:59" (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 09:08:59,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 09:08:59,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 09:08:59,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-06 09:08:59,224 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 09:08:59,225 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 09:08:59,225 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 09:08:59,225 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 09:08:59,225 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-06 09:08:59,225 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 09:08:59,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 09:08:59,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 09:08:59,446 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 09:08:59,447 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-06 09:08:59,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 09:08:59 BoogieIcfgContainer [2019-09-06 09:08:59,448 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 09:08:59,449 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 09:08:59,449 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 09:08:59,449 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 09:08:59,450 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 09:08:59" (1/1) ... [2019-09-06 09:08:59,451 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 09:08:59,488 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 09:08:59,489 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 09:08:59,498 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 09:08:59,516 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 09:08:59,518 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 09:08:59,575 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-06 09:09:00,762 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-06 09:09:00,763 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 09:09:00,763 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 09:09:00,766 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 511#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) [2019-09-06 09:09:00,780 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 09:09:00,780 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 09:09:00,784 INFO L168 Benchmark]: Toolchain (without parser) took 1970.37 ms. Allocated memory was 133.7 MB in the beginning and 226.0 MB in the end (delta: 92.3 MB). Free memory was 89.0 MB in the beginning and 172.9 MB in the end (delta: -83.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB. [2019-09-06 09:09:00,785 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 133.7 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 09:09:00,786 INFO L168 Benchmark]: CACSL2BoogieTranslator took 235.17 ms. Allocated memory is still 133.7 MB. Free memory was 88.8 MB in the beginning and 78.8 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-09-06 09:09:00,787 INFO L168 Benchmark]: Boogie Preprocessor took 125.39 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 78.8 MB in the beginning and 175.8 MB in the end (delta: -97.0 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-09-06 09:09:00,788 INFO L168 Benchmark]: RCFGBuilder took 274.25 ms. Allocated memory is still 199.8 MB. Free memory was 175.8 MB in the beginning and 162.4 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. [2019-09-06 09:09:00,789 INFO L168 Benchmark]: Sifa took 1332.12 ms. Allocated memory was 199.8 MB in the beginning and 226.0 MB in the end (delta: 26.2 MB). Free memory was 162.4 MB in the beginning and 172.9 MB in the end (delta: -10.5 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. [2019-09-06 09:09:00,792 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 133.7 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 235.17 ms. Allocated memory is still 133.7 MB. Free memory was 88.8 MB in the beginning and 78.8 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.39 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 78.8 MB in the beginning and 175.8 MB in the end (delta: -97.0 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 274.25 ms. Allocated memory is still 199.8 MB. Free memory was 175.8 MB in the beginning and 162.4 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. * Sifa took 1332.12 ms. Allocated memory was 199.8 MB in the beginning and 226.0 MB in the end (delta: 26.2 MB). Free memory was 162.4 MB in the beginning and 172.9 MB in the end (delta: -10.5 MB). Peak memory consumption was 15.7 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]: 1277, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 345, DAG_INTERPRETER_EARLY_EXITS: 12, TOOLS_POST_APPLICATIONS: 241, TOOLS_POST_TIME[ms]: 143, TOOLS_POST_CALL_APPLICATIONS: 59, TOOLS_POST_CALL_TIME[ms]: 479, TOOLS_POST_RETURN_APPLICATIONS: 53, TOOLS_POST_RETURN_TIME[ms]: 128, TOOLS_QUANTIFIERELIM_TIME[ms]: 659, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 374, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 101, DOMAIN_JOIN_TIME[ms]: 68, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 10, DOMAIN_ISSUBSETEQ_APPLICATIONS: 127, DOMAIN_ISSUBSETEQ_TIME[ms]: 144, DOMAIN_ISBOTTOM_APPLICATIONS: 77, DOMAIN_ISBOTTOM_TIME[ms]: 124, LOOP_SUMMARIZER_APPLICATIONS: 24, LOOP_SUMMARIZER_CACHE_MISSES: 24, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 938, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 937, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 29, CALL_SUMMARIZER_APPLICATIONS: 53, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 171, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 47, DAG_COMPRESSION_PROCESSED_NODES: 535, DAG_COMPRESSION_RETAINED_NODES: 173 - UnprovableResult [Line: 8]: 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 511#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...