/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/nla-digbench/lcm2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 16:44:57,093 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 16:44:57,096 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 16:44:57,118 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 16:44:57,118 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 16:44:57,120 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 16:44:57,123 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 16:44:57,130 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 16:44:57,132 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 16:44:57,135 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 16:44:57,136 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 16:44:57,139 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 16:44:57,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 16:44:57,142 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 16:44:57,146 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 16:44:57,149 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 16:44:57,151 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 16:44:57,154 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 16:44:57,156 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 16:44:57,163 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 16:44:57,168 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 16:44:57,170 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 16:44:57,174 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 16:44:57,176 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 16:44:57,179 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 16:44:57,180 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 16:44:57,180 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 16:44:57,182 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 16:44:57,184 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 16:44:57,185 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 16:44:57,186 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 16:44:57,187 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 16:44:57,188 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 16:44:57,189 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 16:44:57,191 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 16:44:57,192 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 16:44:57,193 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 16:44:57,193 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 16:44:57,193 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 16:44:57,196 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 16:44:57,198 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 16:44:57,199 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 16:44:57,227 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 16:44:57,227 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 16:44:57,228 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 16:44:57,228 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 16:44:57,228 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 16:44:57,229 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 16:44:57,229 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 16:44:57,229 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 16:44:57,229 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 16:44:57,229 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 16:44:57,230 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 16:44:57,230 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 16:44:57,230 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 16:44:57,230 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 16:44:57,231 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 16:44:57,231 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 16:44:57,232 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 16:44:57,232 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 16:44:57,232 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 16:44:57,232 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 16:44:57,233 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 16:44:57,233 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 16:44:57,233 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 16:44:57,233 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 16:44:57,233 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 16:44:57,233 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 16:44:57,234 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 16:44:57,234 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 16:44:57,234 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 16:44:57,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 16:44:57,235 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 16:44:57,235 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 16:44:57,235 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 16:44:57,235 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 16:44:57,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 16:44:57,236 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 16:44:57,236 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 16:44:57,236 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 16:44:57,564 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 16:44:57,598 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 16:44:57,603 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 16:44:57,606 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 16:44:57,606 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 16:44:57,607 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/lcm2.c [2019-11-24 16:44:57,698 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/283e5a38d/de9740b5c7524c7282d301377cdf5824/FLAG5859cb694 [2019-11-24 16:44:58,379 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 16:44:58,381 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/lcm2.c [2019-11-24 16:44:58,391 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/283e5a38d/de9740b5c7524c7282d301377cdf5824/FLAG5859cb694 [2019-11-24 16:44:58,699 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/283e5a38d/de9740b5c7524c7282d301377cdf5824 [2019-11-24 16:44:58,715 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 16:44:58,717 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 16:44:58,719 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 16:44:58,720 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 16:44:58,725 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 16:44:58,726 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:44:58" (1/1) ... [2019-11-24 16:44:58,731 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ff93dca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:44:58, skipping insertion in model container [2019-11-24 16:44:58,732 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:44:58" (1/1) ... [2019-11-24 16:44:58,743 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 16:44:58,770 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 16:44:59,010 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:44:59,018 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 16:44:59,043 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:44:59,065 INFO L208 MainTranslator]: Completed translation [2019-11-24 16:44:59,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:44:59 WrapperNode [2019-11-24 16:44:59,067 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 16:44:59,068 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 16:44:59,068 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 16:44:59,069 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 16:44:59,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:44:59" (1/1) ... [2019-11-24 16:44:59,093 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:44:59" (1/1) ... [2019-11-24 16:44:59,125 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 16:44:59,126 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 16:44:59,126 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 16:44:59,126 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 16:44:59,257 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:44:59" (1/1) ... [2019-11-24 16:44:59,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:44:59" (1/1) ... [2019-11-24 16:44:59,259 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:44:59" (1/1) ... [2019-11-24 16:44:59,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:44:59" (1/1) ... [2019-11-24 16:44:59,268 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:44:59" (1/1) ... [2019-11-24 16:44:59,274 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:44:59" (1/1) ... [2019-11-24 16:44:59,276 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:44:59" (1/1) ... [2019-11-24 16:44:59,278 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 16:44:59,279 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 16:44:59,279 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 16:44:59,279 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 16:44:59,281 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:44:59" (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 [2019-11-24 16:44:59,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 16:44:59,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 16:44:59,374 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_unsigned_int [2019-11-24 16:44:59,804 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 16:44:59,804 INFO L284 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-24 16:44:59,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:44:59 BoogieIcfgContainer [2019-11-24 16:44:59,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 16:44:59,809 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 16:44:59,809 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 16:44:59,810 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 16:44:59,812 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:44:59" (1/1) ... [2019-11-24 16:44:59,813 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-11-24 16:44:59,864 INFO L159 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-11-24 16:44:59,864 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 16:44:59,875 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 16:44:59,887 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 16:44:59,889 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 16:45:00,273 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 16:45:00,299 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-24 16:45:00,299 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 16:45:00,304 INFO L168 Benchmark]: Toolchain (without parser) took 1585.39 ms. Allocated memory was 146.8 MB in the beginning and 205.5 MB in the end (delta: 58.7 MB). Free memory was 104.6 MB in the beginning and 152.8 MB in the end (delta: -48.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2019-11-24 16:45:00,305 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 146.8 MB. Free memory was 123.1 MB in the beginning and 122.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-11-24 16:45:00,306 INFO L168 Benchmark]: CACSL2BoogieTranslator took 348.16 ms. Allocated memory is still 146.8 MB. Free memory was 104.4 MB in the beginning and 94.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-11-24 16:45:00,307 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.31 ms. Allocated memory is still 146.8 MB. Free memory was 94.7 MB in the beginning and 92.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-11-24 16:45:00,309 INFO L168 Benchmark]: Boogie Preprocessor took 152.58 ms. Allocated memory was 146.8 MB in the beginning and 205.5 MB in the end (delta: 58.7 MB). Free memory was 92.9 MB in the beginning and 183.3 MB in the end (delta: -90.4 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-11-24 16:45:00,310 INFO L168 Benchmark]: RCFGBuilder took 529.25 ms. Allocated memory is still 205.5 MB. Free memory was 183.3 MB in the beginning and 169.2 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. [2019-11-24 16:45:00,311 INFO L168 Benchmark]: Sifa took 490.85 ms. Allocated memory is still 205.5 MB. Free memory was 169.2 MB in the beginning and 152.8 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. [2019-11-24 16:45:00,316 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 146.8 MB. Free memory was 123.1 MB in the beginning and 122.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 348.16 ms. Allocated memory is still 146.8 MB. Free memory was 104.4 MB in the beginning and 94.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 57.31 ms. Allocated memory is still 146.8 MB. Free memory was 94.7 MB in the beginning and 92.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 152.58 ms. Allocated memory was 146.8 MB in the beginning and 205.5 MB in the end (delta: 58.7 MB). Free memory was 92.9 MB in the beginning and 183.3 MB in the end (delta: -90.4 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 529.25 ms. Allocated memory is still 205.5 MB. Free memory was 183.3 MB in the beginning and 169.2 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. * Sifa took 490.85 ms. Allocated memory is still 205.5 MB. Free memory was 169.2 MB in the beginning and 152.8 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 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]: 411, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 4, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 24, TOOLS_POST_TIME[ms]: 205, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME[ms]: 0, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 18, TOOLS_QUANTIFIERELIM_TIME[ms]: 189, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 98, FLUID_QUERY_TIME[ms]: 8, FLUID_QUERIES: 37, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 1, DOMAIN_JOIN_TIME[ms]: 23, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 68, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 7, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 16, DOMAIN_ISBOTTOM_APPLICATIONS: 4, DOMAIN_ISBOTTOM_TIME[ms]: 7, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 243, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 242, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 16, DAG_COMPRESSION_PROCESSED_NODES: 90, DAG_COMPRESSION_RETAINED_NODES: 33 - PositiveResult [Line: 9]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - UnprovableResult [Line: 9]: 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 35#(and (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= (ite (= (+ (* ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~u~0) (* ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~v~0)) (* (* ULTIMATE.start_main_~a~0 2) ULTIMATE.start_main_~b~0)) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...