/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/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/array-examples/standard_two_index_08.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 07:15:40,196 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 07:15:40,198 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 07:15:40,210 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 07:15:40,210 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 07:15:40,211 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 07:15:40,213 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 07:15:40,217 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 07:15:40,220 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 07:15:40,221 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 07:15:40,221 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 07:15:40,224 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 07:15:40,224 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 07:15:40,227 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 07:15:40,228 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 07:15:40,229 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 07:15:40,232 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 07:15:40,233 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 07:15:40,234 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 07:15:40,238 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 07:15:40,240 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 07:15:40,241 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 07:15:40,244 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 07:15:40,247 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 07:15:40,249 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-07 07:15:40,255 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 07:15:40,256 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 07:15:40,257 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 07:15:40,257 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 07:15:40,260 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 07:15:40,261 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 07:15:40,261 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 07:15:40,262 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 07:15:40,262 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 07:15:40,263 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 07:15:40,263 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 07:15:40,264 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 [2019-11-07 07:15:40,278 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 07:15:40,278 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 07:15:40,279 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 07:15:40,279 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 07:15:40,280 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 07:15:40,280 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 07:15:40,280 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 07:15:40,280 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 07:15:40,280 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 07:15:40,281 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 07:15:40,281 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 07:15:40,281 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 07:15:40,281 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 07:15:40,281 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 07:15:40,282 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 07:15:40,282 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 07:15:40,282 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 07:15:40,282 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 07:15:40,282 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 07:15:40,283 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 07:15:40,283 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 07:15:40,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 07:15:40,283 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 07:15:40,283 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 07:15:40,284 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 07:15:40,284 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 07:15:40,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 07:15:40,284 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 07:15:40,284 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 07:15:40,553 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 07:15:40,574 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 07:15:40,578 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 07:15:40,579 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 07:15:40,580 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 07:15:40,581 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/standard_two_index_08.i [2019-11-07 07:15:40,660 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbb43aec4/8c36d9bd73e846b0bc3d4bb12b3b65aa/FLAG16dd3506f [2019-11-07 07:15:41,164 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 07:15:41,167 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/standard_two_index_08.i [2019-11-07 07:15:41,174 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbb43aec4/8c36d9bd73e846b0bc3d4bb12b3b65aa/FLAG16dd3506f [2019-11-07 07:15:41,528 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbb43aec4/8c36d9bd73e846b0bc3d4bb12b3b65aa [2019-11-07 07:15:41,537 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 07:15:41,538 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 07:15:41,539 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 07:15:41,540 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 07:15:41,543 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 07:15:41,544 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:15:41" (1/1) ... [2019-11-07 07:15:41,547 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43f4232d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:15:41, skipping insertion in model container [2019-11-07 07:15:41,547 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:15:41" (1/1) ... [2019-11-07 07:15:41,555 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 07:15:41,575 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 07:15:41,846 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:15:41,853 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 07:15:41,883 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:15:41,909 INFO L192 MainTranslator]: Completed translation [2019-11-07 07:15:41,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:15:41 WrapperNode [2019-11-07 07:15:41,910 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 07:15:41,911 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 07:15:41,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 07:15:41,911 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 07:15:42,026 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:15:41" (1/1) ... [2019-11-07 07:15:42,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:15:41" (1/1) ... [2019-11-07 07:15:42,035 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:15:41" (1/1) ... [2019-11-07 07:15:42,037 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:15:41" (1/1) ... [2019-11-07 07:15:42,050 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:15:41" (1/1) ... [2019-11-07 07:15:42,055 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:15:41" (1/1) ... [2019-11-07 07:15:42,057 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:15:41" (1/1) ... [2019-11-07 07:15:42,059 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 07:15:42,059 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 07:15:42,059 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 07:15:42,059 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 07:15:42,060 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:15:41" (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 [2019-11-07 07:15:42,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 07:15:42,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 07:15:42,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-11-07 07:15:42,123 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 07:15:42,123 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 07:15:42,123 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-07 07:15:42,124 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 07:15:42,124 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 07:15:42,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 07:15:42,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 07:15:42,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 07:15:42,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 07:15:42,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 07:15:42,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 07:15:42,418 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 07:15:42,418 INFO L284 CfgBuilder]: Removed 3 assume(true) statements. [2019-11-07 07:15:42,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:15:42 BoogieIcfgContainer [2019-11-07 07:15:42,420 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 07:15:42,426 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 07:15:42,426 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 07:15:42,426 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 07:15:42,428 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:15:42" (1/1) ... [2019-11-07 07:15:42,428 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 [2019-11-07 07:15:42,455 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 07:15:42,455 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 07:15:42,462 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 07:15:42,469 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 07:15:42,471 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 07:15:42,619 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 17 for LOIs [2019-11-07 07:15:43,125 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-11-07 07:15:43,335 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-11-07 07:15:43,336 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 07:15:43,349 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 07:15:43,349 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 07:15:43,351 INFO L168 Benchmark]: Toolchain (without parser) took 1812.39 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 102.8 MB in the beginning and 109.7 MB in the end (delta: -6.8 MB). Peak memory consumption was 50.9 MB. Max. memory is 7.1 GB. [2019-11-07 07:15:43,353 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-11-07 07:15:43,355 INFO L168 Benchmark]: CACSL2BoogieTranslator took 371.23 ms. Allocated memory is still 144.7 MB. Free memory was 102.6 MB in the beginning and 92.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-11-07 07:15:43,360 INFO L168 Benchmark]: Boogie Preprocessor took 147.78 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 92.6 MB in the beginning and 179.9 MB in the end (delta: -87.3 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-11-07 07:15:43,360 INFO L168 Benchmark]: RCFGBuilder took 360.76 ms. Allocated memory is still 202.4 MB. Free memory was 179.9 MB in the beginning and 162.5 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. [2019-11-07 07:15:43,361 INFO L168 Benchmark]: Sifa took 923.08 ms. Allocated memory is still 202.4 MB. Free memory was 162.5 MB in the beginning and 109.7 MB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. [2019-11-07 07:15:43,365 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 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 371.23 ms. Allocated memory is still 144.7 MB. Free memory was 102.6 MB in the beginning and 92.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 147.78 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 92.6 MB in the beginning and 179.9 MB in the end (delta: -87.3 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 360.76 ms. Allocated memory is still 202.4 MB. Free memory was 179.9 MB in the beginning and 162.5 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. * Sifa took 923.08 ms. Allocated memory is still 202.4 MB. Free memory was 162.5 MB in the beginning and 109.7 MB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 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]: 881, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 1, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 25, TOOLS_POST_TIME[ms]: 507, TOOLS_POST_CALL_APPLICATIONS: 6, TOOLS_POST_CALL_TIME[ms]: 51, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 7, TOOLS_QUANTIFIERELIM_APPLICATIONS: 35, TOOLS_QUANTIFIERELIM_TIME[ms]: 535, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 217, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 55, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 1, DOMAIN_JOIN_TIME[ms]: 7, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 185, DOMAIN_ISSUBSETEQ_APPLICATIONS: 9, DOMAIN_ISSUBSETEQ_TIME[ms]: 46, DOMAIN_ISBOTTOM_APPLICATIONS: 1, DOMAIN_ISBOTTOM_TIME[ms]: 4, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 698, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 697, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 9, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 111, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 110, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 16, DAG_COMPRESSION_PROCESSED_NODES: 70, DAG_COMPRESSION_RETAINED_NODES: 40 - UnprovableResult [Line: 2]: 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 82#(and (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0)) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...