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/lcm1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 09:09:12,697 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 09:09:12,699 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 09:09:12,710 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 09:09:12,711 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 09:09:12,712 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 09:09:12,713 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 09:09:12,715 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 09:09:12,717 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 09:09:12,718 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 09:09:12,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 09:09:12,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 09:09:12,720 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 09:09:12,721 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 09:09:12,722 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 09:09:12,723 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 09:09:12,724 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 09:09:12,725 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 09:09:12,726 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 09:09:12,728 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 09:09:12,730 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 09:09:12,731 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 09:09:12,732 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 09:09:12,733 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 09:09:12,735 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 09:09:12,735 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 09:09:12,735 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 09:09:12,736 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 09:09:12,737 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 09:09:12,738 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 09:09:12,738 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 09:09:12,738 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 09:09:12,739 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 09:09:12,740 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 09:09:12,741 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 09:09:12,741 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 09:09:12,742 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 09:09:12,742 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 09:09:12,742 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 09:09:12,743 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 09:09:12,744 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 09:09:12,744 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 09:09:12,761 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 09:09:12,762 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 09:09:12,764 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 09:09:12,764 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 09:09:12,764 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 09:09:12,764 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 09:09:12,765 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 09:09:12,765 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 09:09:12,765 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 09:09:12,765 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 09:09:12,765 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 09:09:12,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 09:09:12,766 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 09:09:12,766 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 09:09:12,767 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 09:09:12,767 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 09:09:12,767 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 09:09:12,767 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 09:09:12,768 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 09:09:12,768 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 09:09:12,768 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 09:09:12,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 09:09:12,768 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 09:09:12,769 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 09:09:12,769 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 09:09:12,769 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 09:09:12,770 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 09:09:12,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 09:09:12,770 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 09:09:12,816 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 09:09:12,829 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 09:09:12,833 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 09:09:12,835 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 09:09:12,835 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 09:09:12,836 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/lcm1.c [2019-09-06 09:09:12,906 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b43c96bb6/fa6f3744fee14da3890d8991f3a729af/FLAG5ae907055 [2019-09-06 09:09:13,362 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 09:09:13,364 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/lcm1.c [2019-09-06 09:09:13,372 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b43c96bb6/fa6f3744fee14da3890d8991f3a729af/FLAG5ae907055 [2019-09-06 09:09:13,721 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b43c96bb6/fa6f3744fee14da3890d8991f3a729af [2019-09-06 09:09:13,731 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 09:09:13,733 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 09:09:13,734 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 09:09:13,734 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 09:09:13,737 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 09:09:13,738 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 09:09:13" (1/1) ... [2019-09-06 09:09:13,741 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@195ab653 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:09:13, skipping insertion in model container [2019-09-06 09:09:13,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 09:09:13" (1/1) ... [2019-09-06 09:09:13,748 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 09:09:13,768 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 09:09:13,936 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 09:09:13,941 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 09:09:13,962 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 09:09:13,977 INFO L192 MainTranslator]: Completed translation [2019-09-06 09:09:13,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:09:13 WrapperNode [2019-09-06 09:09:13,977 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 09:09:13,978 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 09:09:13,978 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 09:09:13,978 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 09:09:14,088 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:09:13" (1/1) ... [2019-09-06 09:09:14,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:09:13" (1/1) ... [2019-09-06 09:09:14,097 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:09:13" (1/1) ... [2019-09-06 09:09:14,099 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:09:13" (1/1) ... [2019-09-06 09:09:14,102 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:09:13" (1/1) ... [2019-09-06 09:09:14,107 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:09:13" (1/1) ... [2019-09-06 09:09:14,108 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:09:13" (1/1) ... [2019-09-06 09:09:14,109 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 09:09:14,110 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 09:09:14,110 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 09:09:14,110 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 09:09:14,111 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:09:13" (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 09:09:14,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 09:09:14,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 09:09:14,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-06 09:09:14,166 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 09:09:14,166 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 09:09:14,166 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 09:09:14,166 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 09:09:14,166 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-06 09:09:14,166 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 09:09:14,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 09:09:14,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 09:09:14,369 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 09:09:14,370 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-06 09:09:14,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 09:09:14 BoogieIcfgContainer [2019-09-06 09:09:14,372 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 09:09:14,372 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 09:09:14,372 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 09:09:14,373 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 09:09:14,374 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 09:09:14" (1/1) ... [2019-09-06 09:09:14,374 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 09:09:14,425 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 09:09:14,425 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 09:09:14,436 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 09:09:14,446 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 09:09:14,447 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 09:09:14,502 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-06 09:09:15,229 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-06 09:09:15,230 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 09:09:15,230 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 09:09:15,233 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 243#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) [2019-09-06 09:09:15,245 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 09:09:15,245 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 09:09:15,248 INFO L168 Benchmark]: Toolchain (without parser) took 1513.98 ms. Allocated memory was 132.6 MB in the beginning and 200.8 MB in the end (delta: 68.2 MB). Free memory was 87.9 MB in the beginning and 101.4 MB in the end (delta: -13.5 MB). Peak memory consumption was 54.7 MB. Max. memory is 7.1 GB. [2019-09-06 09:09:15,249 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 132.6 MB. Free memory was 106.3 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 09:09:15,250 INFO L168 Benchmark]: CACSL2BoogieTranslator took 243.76 ms. Allocated memory is still 132.6 MB. Free memory was 87.7 MB in the beginning and 78.2 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-09-06 09:09:15,251 INFO L168 Benchmark]: Boogie Preprocessor took 131.55 ms. Allocated memory was 132.6 MB in the beginning and 200.8 MB in the end (delta: 68.2 MB). Free memory was 78.2 MB in the beginning and 177.7 MB in the end (delta: -99.5 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-09-06 09:09:15,252 INFO L168 Benchmark]: RCFGBuilder took 261.95 ms. Allocated memory is still 200.8 MB. Free memory was 177.7 MB in the beginning and 164.8 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. [2019-09-06 09:09:15,253 INFO L168 Benchmark]: Sifa took 872.99 ms. Allocated memory is still 200.8 MB. Free memory was 164.8 MB in the beginning and 101.4 MB in the end (delta: 63.5 MB). Peak memory consumption was 63.5 MB. Max. memory is 7.1 GB. [2019-09-06 09:09:15,256 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 132.6 MB. Free memory was 106.3 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 243.76 ms. Allocated memory is still 132.6 MB. Free memory was 87.7 MB in the beginning and 78.2 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 131.55 ms. Allocated memory was 132.6 MB in the beginning and 200.8 MB in the end (delta: 68.2 MB). Free memory was 78.2 MB in the beginning and 177.7 MB in the end (delta: -99.5 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 261.95 ms. Allocated memory is still 200.8 MB. Free memory was 177.7 MB in the beginning and 164.8 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. * Sifa took 872.99 ms. Allocated memory is still 200.8 MB. Free memory was 164.8 MB in the beginning and 101.4 MB in the end (delta: 63.5 MB). Peak memory consumption was 63.5 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]: 808, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 145, DAG_INTERPRETER_EARLY_EXITS: 4, TOOLS_POST_APPLICATIONS: 98, TOOLS_POST_TIME[ms]: 51, TOOLS_POST_CALL_APPLICATIONS: 31, TOOLS_POST_CALL_TIME[ms]: 345, TOOLS_POST_RETURN_APPLICATIONS: 25, TOOLS_POST_RETURN_TIME[ms]: 58, TOOLS_QUANTIFIERELIM_TIME[ms]: 402, FLUID_QUERY_TIME[ms]: 8, FLUID_QUERIES: 155, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 60, DOMAIN_JOIN_TIME[ms]: 67, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 15, DOMAIN_ISSUBSETEQ_APPLICATIONS: 54, DOMAIN_ISSUBSETEQ_TIME[ms]: 76, DOMAIN_ISBOTTOM_APPLICATIONS: 30, DOMAIN_ISBOTTOM_TIME[ms]: 67, LOOP_SUMMARIZER_APPLICATIONS: 10, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 405, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 404, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 10, CALL_SUMMARIZER_APPLICATIONS: 25, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 83, 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]: 40, DAG_COMPRESSION_PROCESSED_NODES: 322, DAG_COMPRESSION_RETAINED_NODES: 127 - UnprovableResult [Line: 12]: 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 243#(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...