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 ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid AlwaysFluid --sifa.intern.fluid AlwaysFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ldv-regression/alias_of_return.c_1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 17:02:40,048 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 17:02:40,051 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 17:02:40,068 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 17:02:40,068 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 17:02:40,070 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 17:02:40,072 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 17:02:40,079 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 17:02:40,083 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 17:02:40,086 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 17:02:40,087 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 17:02:40,090 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 17:02:40,090 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 17:02:40,091 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 17:02:40,093 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 17:02:40,094 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 17:02:40,095 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 17:02:40,096 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 17:02:40,100 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 17:02:40,102 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 17:02:40,103 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 17:02:40,107 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 17:02:40,110 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 17:02:40,111 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 17:02:40,113 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 17:02:40,113 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 17:02:40,113 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 17:02:40,114 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 17:02:40,114 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 17:02:40,115 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 17:02:40,116 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 17:02:40,116 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 17:02:40,117 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 17:02:40,118 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 17:02:40,119 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 17:02:40,119 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 17:02:40,119 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 17:02:40,120 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 17:02:40,120 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 17:02:40,121 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 17:02:40,121 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 17:02:40,122 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 [2019-09-19 17:02:40,145 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 17:02:40,145 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 17:02:40,147 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 17:02:40,147 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 17:02:40,147 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 17:02:40,147 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 17:02:40,147 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 17:02:40,148 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 17:02:40,148 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 17:02:40,148 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 17:02:40,148 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 17:02:40,148 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 17:02:40,148 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 17:02:40,149 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 17:02:40,149 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 17:02:40,149 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 17:02:40,149 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 17:02:40,149 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 17:02:40,150 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 17:02:40,150 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 17:02:40,150 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 17:02:40,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 17:02:40,150 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 17:02:40,151 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 17:02:40,151 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 17:02:40,151 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 17:02:40,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 17:02:40,151 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 17:02:40,151 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain 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 -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-19 17:02:40,182 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 17:02:40,195 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 17:02:40,198 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 17:02:40,199 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 17:02:40,200 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 17:02:40,201 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/alias_of_return.c_1.i [2019-09-19 17:02:40,276 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6fff218e/f5a3982e6f034f3695a11d301772eec7/FLAGadce1ef88 [2019-09-19 17:02:40,723 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 17:02:40,723 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/alias_of_return.c_1.i [2019-09-19 17:02:40,731 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6fff218e/f5a3982e6f034f3695a11d301772eec7/FLAGadce1ef88 [2019-09-19 17:02:41,129 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6fff218e/f5a3982e6f034f3695a11d301772eec7 [2019-09-19 17:02:41,140 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 17:02:41,142 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 17:02:41,143 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 17:02:41,143 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 17:02:41,146 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 17:02:41,147 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 05:02:41" (1/1) ... [2019-09-19 17:02:41,149 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7528f062 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:02:41, skipping insertion in model container [2019-09-19 17:02:41,150 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 05:02:41" (1/1) ... [2019-09-19 17:02:41,156 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 17:02:41,169 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 17:02:41,327 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 17:02:41,339 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 17:02:41,351 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 17:02:41,364 INFO L192 MainTranslator]: Completed translation [2019-09-19 17:02:41,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:02:41 WrapperNode [2019-09-19 17:02:41,365 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 17:02:41,365 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 17:02:41,366 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 17:02:41,366 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 17:02:41,462 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:02:41" (1/1) ... [2019-09-19 17:02:41,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:02:41" (1/1) ... [2019-09-19 17:02:41,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:02:41" (1/1) ... [2019-09-19 17:02:41,472 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:02:41" (1/1) ... [2019-09-19 17:02:41,478 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:02:41" (1/1) ... [2019-09-19 17:02:41,480 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:02:41" (1/1) ... [2019-09-19 17:02:41,481 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:02:41" (1/1) ... [2019-09-19 17:02:41,483 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 17:02:41,484 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 17:02:41,484 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 17:02:41,484 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 17:02:41,485 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:02:41" (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 [2019-09-19 17:02:41,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 17:02:41,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 17:02:41,532 INFO L138 BoogieDeclarations]: Found implementation of procedure err [2019-09-19 17:02:41,532 INFO L138 BoogieDeclarations]: Found implementation of procedure return_self [2019-09-19 17:02:41,532 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 17:02:41,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 17:02:41,533 INFO L130 BoogieDeclarations]: Found specification of procedure err [2019-09-19 17:02:41,533 INFO L130 BoogieDeclarations]: Found specification of procedure return_self [2019-09-19 17:02:41,533 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 17:02:41,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 17:02:41,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 17:02:41,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 17:02:41,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 17:02:41,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 17:02:41,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 17:02:41,769 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 17:02:41,769 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-19 17:02:41,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 05:02:41 BoogieIcfgContainer [2019-09-19 17:02:41,771 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 17:02:41,771 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 17:02:41,771 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 17:02:41,772 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 17:02:41,773 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 05:02:41" (1/1) ... [2019-09-19 17:02:41,773 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=AlwaysFluid ♦ 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=AlwaysFluid [2019-09-19 17:02:41,823 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 17:02:41,824 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 17:02:41,832 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 17:02:41,845 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 17:02:41,847 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 17:02:42,023 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 10 for LOIs [2019-09-19 17:02:42,196 INFO L199 IcfgInterpreter]: Interpreting procedure err with input of size 1 for LOIs [2019-09-19 17:02:42,205 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 17:02:42,206 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 17:02:42,210 INFO L193 IcfgInterpreter]: Reachable states at location errErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 22#true [2019-09-19 17:02:42,227 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 17:02:42,227 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 17:02:42,231 INFO L168 Benchmark]: Toolchain (without parser) took 1086.96 ms. Allocated memory was 133.7 MB in the beginning and 199.2 MB in the end (delta: 65.5 MB). Free memory was 89.7 MB in the beginning and 137.2 MB in the end (delta: -47.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 7.1 GB. [2019-09-19 17:02:42,232 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 133.7 MB. Free memory is still 107.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-19 17:02:42,234 INFO L168 Benchmark]: CACSL2BoogieTranslator took 222.09 ms. Allocated memory is still 133.7 MB. Free memory was 89.3 MB in the beginning and 79.8 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-09-19 17:02:42,235 INFO L168 Benchmark]: Boogie Preprocessor took 118.21 ms. Allocated memory was 133.7 MB in the beginning and 199.2 MB in the end (delta: 65.5 MB). Free memory was 79.8 MB in the beginning and 175.6 MB in the end (delta: -95.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-09-19 17:02:42,241 INFO L168 Benchmark]: RCFGBuilder took 286.84 ms. Allocated memory is still 199.2 MB. Free memory was 175.6 MB in the beginning and 161.8 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. [2019-09-19 17:02:42,243 INFO L168 Benchmark]: Sifa took 456.06 ms. Allocated memory is still 199.2 MB. Free memory was 161.8 MB in the beginning and 137.2 MB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2019-09-19 17:02:42,251 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 133.7 MB. Free memory is still 107.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 222.09 ms. Allocated memory is still 133.7 MB. Free memory was 89.3 MB in the beginning and 79.8 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.21 ms. Allocated memory was 133.7 MB in the beginning and 199.2 MB in the end (delta: 65.5 MB). Free memory was 79.8 MB in the beginning and 175.6 MB in the end (delta: -95.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 286.84 ms. Allocated memory is still 199.2 MB. Free memory was 175.6 MB in the beginning and 161.8 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. * Sifa took 456.06 ms. Allocated memory is still 199.2 MB. Free memory was 161.8 MB in the beginning and 137.2 MB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 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]: 387, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 8, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 4, TOOLS_POST_TIME[ms]: 233, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 20, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 2, TOOLS_QUANTIFIERELIM_APPLICATIONS: 8, TOOLS_QUANTIFIERELIM_TIME[ms]: 242, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 164, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 8, FLUID_YES_ANSWERS: 8, DOMAIN_JOIN_APPLICATIONS: 2, DOMAIN_JOIN_TIME[ms]: 32, DOMAIN_ALPHA_APPLICATIONS: 8, DOMAIN_ALPHA_TIME[ms]: 32, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME[ms]: 0, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 0, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 115, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 115, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 12, DAG_COMPRESSION_PROCESSED_NODES: 33, DAG_COMPRESSION_RETAINED_NODES: 24 - UnprovableResult [Line: 16]: 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 22#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...