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 --sifa.simplification.technique SIMPLIFY_DDA -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/mutex_lock_int.c_1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a2187f8 [2019-09-02 15:15:18,564 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-02 15:15:18,566 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-02 15:15:18,578 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-02 15:15:18,578 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-02 15:15:18,579 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-02 15:15:18,580 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-02 15:15:18,582 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-02 15:15:18,584 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-02 15:15:18,585 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-02 15:15:18,586 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-02 15:15:18,587 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-02 15:15:18,587 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-02 15:15:18,588 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-02 15:15:18,589 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-02 15:15:18,590 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-02 15:15:18,592 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-02 15:15:18,593 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-02 15:15:18,595 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-02 15:15:18,599 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-02 15:15:18,602 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-02 15:15:18,603 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-02 15:15:18,605 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-02 15:15:18,605 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-02 15:15:18,609 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-02 15:15:18,615 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-02 15:15:18,617 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-02 15:15:18,617 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-02 15:15:18,618 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-02 15:15:18,622 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-02 15:15:18,622 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-02 15:15:18,623 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-02 15:15:18,623 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-02 15:15:18,623 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-02 15:15:18,624 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-02 15:15:18,625 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-02 15:15:18,627 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 [2019-09-02 15:15:18,652 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-02 15:15:18,652 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-02 15:15:18,654 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-02 15:15:18,654 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-02 15:15:18,655 INFO L138 SettingsManager]: * Use SBE=true [2019-09-02 15:15:18,655 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-02 15:15:18,655 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-02 15:15:18,655 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-02 15:15:18,656 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-02 15:15:18,656 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-02 15:15:18,657 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-02 15:15:18,657 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-02 15:15:18,657 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-02 15:15:18,658 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-02 15:15:18,658 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-02 15:15:18,658 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-02 15:15:18,658 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-02 15:15:18,659 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-02 15:15:18,659 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-02 15:15:18,659 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-02 15:15:18,659 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-02 15:15:18,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-02 15:15:18,660 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-02 15:15:18,660 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-02 15:15:18,660 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-02 15:15:18,660 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-02 15:15:18,661 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-02 15:15:18,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-02 15:15:18,661 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: Simplification Technique -> SIMPLIFY_DDA [2019-09-02 15:15:18,715 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-02 15:15:18,733 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-02 15:15:18,737 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-02 15:15:18,739 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-02 15:15:18,740 INFO L275 PluginConnector]: CDTParser initialized [2019-09-02 15:15:18,741 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/mutex_lock_int.c_1.i [2019-09-02 15:15:18,825 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df4ce5bc2/6e74226478df4b85817e6cb9a310dd6e/FLAGb5ea1dc6f [2019-09-02 15:15:19,230 INFO L306 CDTParser]: Found 1 translation units. [2019-09-02 15:15:19,231 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/mutex_lock_int.c_1.i [2019-09-02 15:15:19,238 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df4ce5bc2/6e74226478df4b85817e6cb9a310dd6e/FLAGb5ea1dc6f [2019-09-02 15:15:19,659 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df4ce5bc2/6e74226478df4b85817e6cb9a310dd6e [2019-09-02 15:15:19,670 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-02 15:15:19,672 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-02 15:15:19,673 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-02 15:15:19,673 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-02 15:15:19,676 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-02 15:15:19,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.09 03:15:19" (1/1) ... [2019-09-02 15:15:19,680 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b0b1624 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 03:15:19, skipping insertion in model container [2019-09-02 15:15:19,680 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.09 03:15:19" (1/1) ... [2019-09-02 15:15:19,687 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-02 15:15:19,705 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-02 15:15:19,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-02 15:15:19,913 INFO L188 MainTranslator]: Completed pre-run [2019-09-02 15:15:19,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-02 15:15:19,940 INFO L192 MainTranslator]: Completed translation [2019-09-02 15:15:19,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 03:15:19 WrapperNode [2019-09-02 15:15:19,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-02 15:15:19,942 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-02 15:15:19,942 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-02 15:15:19,942 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-02 15:15:20,035 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 03:15:19" (1/1) ... [2019-09-02 15:15:20,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 03:15:19" (1/1) ... [2019-09-02 15:15:20,042 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 03:15:19" (1/1) ... [2019-09-02 15:15:20,042 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 03:15:19" (1/1) ... [2019-09-02 15:15:20,047 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 03:15:19" (1/1) ... [2019-09-02 15:15:20,049 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 03:15:19" (1/1) ... [2019-09-02 15:15:20,050 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 03:15:19" (1/1) ... [2019-09-02 15:15:20,052 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-02 15:15:20,053 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-02 15:15:20,053 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-02 15:15:20,053 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-02 15:15:20,054 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 03:15:19" (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 [2019-09-02 15:15:20,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-02 15:15:20,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-02 15:15:20,106 INFO L138 BoogieDeclarations]: Found implementation of procedure err [2019-09-02 15:15:20,106 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-09-02 15:15:20,106 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-02 15:15:20,106 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-02 15:15:20,107 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-02 15:15:20,107 INFO L130 BoogieDeclarations]: Found specification of procedure err [2019-09-02 15:15:20,107 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-09-02 15:15:20,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-02 15:15:20,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-02 15:15:20,107 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-02 15:15:20,108 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-02 15:15:20,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-02 15:15:20,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-02 15:15:20,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-02 15:15:20,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-02 15:15:20,348 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-02 15:15:20,349 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-02 15:15:20,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.09 03:15:20 BoogieIcfgContainer [2019-09-02 15:15:20,351 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-02 15:15:20,351 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-02 15:15:20,352 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-02 15:15:20,352 INFO L275 PluginConnector]: Sifa initialized [2019-09-02 15:15:20,353 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.09 03:15:20" (1/1) ... [2019-09-02 15:15:20,354 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ 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=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-02 15:15:20,392 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-02 15:15:20,392 INFO L169 IcfgInterpreter]: Building call graph [2019-09-02 15:15:20,399 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-02 15:15:20,409 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-02 15:15:20,411 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-02 15:15:20,629 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 19 for LOIs [2019-09-02 15:15:21,275 INFO L199 IcfgInterpreter]: Interpreting procedure mutex_lock with input of size 31 for LOIs [2019-09-02 15:15:21,281 INFO L199 IcfgInterpreter]: Interpreting procedure mutex_unlock with input of size 31 for LOIs [2019-09-02 15:15:21,306 INFO L199 IcfgInterpreter]: Interpreting procedure err with input of size 1 for LOIs [2019-09-02 15:15:21,310 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-02 15:15:21,310 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-02 15:15:21,312 INFO L193 IcfgInterpreter]: Reachable states at location errErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 52#false [2019-09-02 15:15:21,323 INFO L100 SifaObserver]: ✔ All error locations are guaranteed to be unreachable. [2019-09-02 15:15:21,324 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-02 15:15:21,326 INFO L168 Benchmark]: Toolchain (without parser) took 1653.77 ms. Allocated memory was 139.5 MB in the beginning and 198.7 MB in the end (delta: 59.2 MB). Free memory was 87.4 MB in the beginning and 80.9 MB in the end (delta: 6.5 MB). Peak memory consumption was 65.7 MB. Max. memory is 7.1 GB. [2019-09-02 15:15:21,333 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-02 15:15:21,335 INFO L168 Benchmark]: CACSL2BoogieTranslator took 269.00 ms. Allocated memory is still 139.5 MB. Free memory was 87.1 MB in the beginning and 77.7 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-09-02 15:15:21,336 INFO L168 Benchmark]: Boogie Preprocessor took 110.46 ms. Allocated memory was 139.5 MB in the beginning and 198.7 MB in the end (delta: 59.2 MB). Free memory was 77.7 MB in the beginning and 176.6 MB in the end (delta: -98.9 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-09-02 15:15:21,337 INFO L168 Benchmark]: RCFGBuilder took 298.31 ms. Allocated memory is still 198.7 MB. Free memory was 176.6 MB in the beginning and 162.5 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2019-09-02 15:15:21,338 INFO L168 Benchmark]: Sifa took 972.46 ms. Allocated memory is still 198.7 MB. Free memory was 162.5 MB in the beginning and 80.9 MB in the end (delta: 81.6 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB. [2019-09-02 15:15:21,343 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 269.00 ms. Allocated memory is still 139.5 MB. Free memory was 87.1 MB in the beginning and 77.7 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.46 ms. Allocated memory was 139.5 MB in the beginning and 198.7 MB in the end (delta: 59.2 MB). Free memory was 77.7 MB in the beginning and 176.6 MB in the end (delta: -98.9 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 298.31 ms. Allocated memory is still 198.7 MB. Free memory was 176.6 MB in the beginning and 162.5 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. * Sifa took 972.46 ms. Allocated memory is still 198.7 MB. Free memory was 162.5 MB in the beginning and 80.9 MB in the end (delta: 81.6 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 0.9s OVERALL_TIME, 5 ICFG_INTERPRETER_ENTERED_PROCEDURES, 25 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 0 DAG_INTERPRETER_EARLY_EXITS, 15 TOOLS_POST_APPLICATIONS, 0.0s TOOLS_POST_TIME, 8 TOOLS_POST_CALL_APPLICATIONS, 0.2s TOOLS_POST_CALL_TIME, 3 TOOLS_POST_RETURN_APPLICATIONS, 0.0s TOOLS_POST_RETURN_TIME, 0.2s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 25 FLUID_QUERIES, 0 FLUID_YES_ANSWERS, 6 DOMAIN_JOIN_APPLICATIONS, 0.6s DOMAIN_JOIN_TIME, 0 DOMAIN_ALPHA_APPLICATIONS, 0.0s DOMAIN_ALPHA_TIME, 0 DOMAIN_WIDEN_APPLICATIONS, 0.0s DOMAIN_WIDEN_TIME, 0 DOMAIN_ISSUBSETEQ_APPLICATIONS, 0.0s DOMAIN_ISSUBSETEQ_TIME, 2 DOMAIN_ISBOTTOM_APPLICATIONS, 0.0s DOMAIN_ISBOTTOM_TIME, 0 LOOP_SUMMARIZER_APPLICATIONS, 0 LOOP_SUMMARIZER_CACHE_MISSES, 0.0s LOOP_SUMMARIZER_OVERALL_TIME, 0.0s LOOP_SUMMARIZER_NEW_COMPUTATION_TIME, 0 LOOP_SUMMARIZER_FIXPOINT_ITERATIONS, 3 CALL_SUMMARIZER_APPLICATIONS, 0 CALL_SUMMARIZER_CACHE_MISSES, 0.6s CALL_SUMMARIZER_OVERALL_TIME, 0.0s CALL_SUMMARIZER_NEW_COMPUTATION_TIME, 0.0s PROCEDURE_GRAPH_BUILDER_TIME, 0.0s PATH_EXPR_TIME, 0.0s REGEX_TO_DAG_TIME, 0.0s DAG_COMPRESSION_TIME, 68 DAG_COMPRESSION_PROCESSED_NODES, 48 DAG_COMPRESSION_RETAINED_NODES - PositiveResult [Line: 14]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold RESULT: Ultimate proved your program to be correct! Received shutdown request...