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 SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ldv-regression/test13.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 14:08:39,579 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 14:08:39,581 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 14:08:39,594 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 14:08:39,594 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 14:08:39,595 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 14:08:39,596 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 14:08:39,598 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 14:08:39,600 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 14:08:39,601 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 14:08:39,602 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 14:08:39,603 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 14:08:39,603 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 14:08:39,604 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 14:08:39,605 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 14:08:39,606 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 14:08:39,607 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 14:08:39,608 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 14:08:39,610 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 14:08:39,612 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 14:08:39,614 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 14:08:39,615 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 14:08:39,616 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 14:08:39,617 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 14:08:39,620 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 14:08:39,628 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 14:08:39,629 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 14:08:39,630 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 14:08:39,631 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 [2019-09-20 14:08:39,646 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 14:08:39,646 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 14:08:39,648 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 14:08:39,648 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 14:08:39,648 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 14:08:39,648 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 14:08:39,649 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 14:08:39,649 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 14:08:39,649 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 14:08:39,651 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 14:08:39,651 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 14:08:39,652 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 14:08:39,652 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 14:08:39,652 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 14:08:39,652 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 14:08:39,652 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 14:08:39,653 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 14:08:39,653 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 14:08:39,653 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 14:08:39,653 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 14:08:39,653 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 14:08:39,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 14:08:39,654 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 14:08:39,656 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 14:08:39,656 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 14:08:39,656 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 14:08:39,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 14:08:39,657 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 14:08:39,657 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 -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 14:08:39,713 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 14:08:39,726 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 14:08:39,730 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 14:08:39,731 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 14:08:39,732 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 14:08:39,733 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test13.c [2019-09-20 14:08:39,805 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f29b705cc/11445e580d044032b223914be8c576dd/FLAG3f3f214a3 [2019-09-20 14:08:40,240 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 14:08:40,240 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test13.c [2019-09-20 14:08:40,246 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f29b705cc/11445e580d044032b223914be8c576dd/FLAG3f3f214a3 [2019-09-20 14:08:40,663 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f29b705cc/11445e580d044032b223914be8c576dd [2019-09-20 14:08:40,673 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 14:08:40,674 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 14:08:40,675 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 14:08:40,676 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 14:08:40,679 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 14:08:40,680 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:08:40" (1/1) ... [2019-09-20 14:08:40,683 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53f7f7ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:08:40, skipping insertion in model container [2019-09-20 14:08:40,684 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:08:40" (1/1) ... [2019-09-20 14:08:40,691 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 14:08:40,708 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 14:08:40,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 14:08:40,910 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 14:08:40,923 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 14:08:40,944 INFO L192 MainTranslator]: Completed translation [2019-09-20 14:08:40,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:08:40 WrapperNode [2019-09-20 14:08:40,944 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 14:08:40,945 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 14:08:40,945 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 14:08:40,945 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 14:08:41,046 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:08:40" (1/1) ... [2019-09-20 14:08:41,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:08:40" (1/1) ... [2019-09-20 14:08:41,053 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:08:40" (1/1) ... [2019-09-20 14:08:41,054 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:08:40" (1/1) ... [2019-09-20 14:08:41,059 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:08:40" (1/1) ... [2019-09-20 14:08:41,061 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:08:40" (1/1) ... [2019-09-20 14:08:41,062 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:08:40" (1/1) ... [2019-09-20 14:08:41,064 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 14:08:41,064 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 14:08:41,064 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 14:08:41,065 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 14:08:41,065 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:08:40" (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 [2019-09-20 14:08:41,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 14:08:41,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 14:08:41,121 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-20 14:08:41,121 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 14:08:41,121 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 14:08:41,121 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-20 14:08:41,121 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 14:08:41,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 14:08:41,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 14:08:41,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 14:08:41,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 14:08:41,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 14:08:41,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 14:08:41,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 14:08:41,345 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 14:08:41,345 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 14:08:41,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:08:41 BoogieIcfgContainer [2019-09-20 14:08:41,347 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 14:08:41,347 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 14:08:41,347 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 14:08:41,348 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 14:08:41,350 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:08:41" (1/1) ... [2019-09-20 14:08:41,351 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 14:08:41,378 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 14:08:41,378 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 14:08:41,388 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 14:08:41,398 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 14:08:41,400 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 14:08:41,677 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-09-20 14:08:41,870 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2019-09-20 14:08:41,989 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 46 for LOIs [2019-09-20 14:08:41,992 INFO L199 IcfgInterpreter]: Interpreting procedure check with input of size 54 for LOIs [2019-09-20 14:08:42,021 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 14:08:42,021 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 14:08:42,023 INFO L193 IcfgInterpreter]: Reachable states at location checkErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 14#false [2019-09-20 14:08:42,036 INFO L100 SifaObserver]: ✔ All error locations are guaranteed to be unreachable. [2019-09-20 14:08:42,036 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 14:08:42,040 INFO L168 Benchmark]: Toolchain (without parser) took 1363.59 ms. Allocated memory was 131.6 MB in the beginning and 199.8 MB in the end (delta: 68.2 MB). Free memory was 87.7 MB in the beginning and 106.7 MB in the end (delta: -19.1 MB). Peak memory consumption was 49.1 MB. Max. memory is 7.1 GB. [2019-09-20 14:08:42,042 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 14:08:42,043 INFO L168 Benchmark]: CACSL2BoogieTranslator took 269.26 ms. Allocated memory is still 131.6 MB. Free memory was 87.3 MB in the beginning and 77.5 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-09-20 14:08:42,045 INFO L168 Benchmark]: Boogie Preprocessor took 119.03 ms. Allocated memory was 131.6 MB in the beginning and 199.8 MB in the end (delta: 68.2 MB). Free memory was 77.5 MB in the beginning and 176.5 MB in the end (delta: -99.0 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2019-09-20 14:08:42,050 INFO L168 Benchmark]: RCFGBuilder took 282.52 ms. Allocated memory is still 199.8 MB. Free memory was 176.5 MB in the beginning and 161.3 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. [2019-09-20 14:08:42,053 INFO L168 Benchmark]: Sifa took 689.30 ms. Allocated memory is still 199.8 MB. Free memory was 161.3 MB in the beginning and 106.7 MB in the end (delta: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 7.1 GB. [2019-09-20 14:08:42,061 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 269.26 ms. Allocated memory is still 131.6 MB. Free memory was 87.3 MB in the beginning and 77.5 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.03 ms. Allocated memory was 131.6 MB in the beginning and 199.8 MB in the end (delta: 68.2 MB). Free memory was 77.5 MB in the beginning and 176.5 MB in the end (delta: -99.0 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 282.52 ms. Allocated memory is still 199.8 MB. Free memory was 176.5 MB in the beginning and 161.3 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. * Sifa took 689.30 ms. Allocated memory is still 199.8 MB. Free memory was 161.3 MB in the beginning and 106.7 MB in the end (delta: 54.6 MB). Peak memory consumption was 54.6 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]: 646, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 8, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 4, TOOLS_POST_TIME[ms]: 386, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 30, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 4, TOOLS_QUANTIFIERELIM_APPLICATIONS: 8, TOOLS_QUANTIFIERELIM_TIME[ms]: 398, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 382, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 8, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 2, DOMAIN_JOIN_TIME[ms]: 131, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, 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]: 498, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 498, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 27, DAG_COMPRESSION_PROCESSED_NODES: 35, DAG_COMPRESSION_RETAINED_NODES: 25 - PositiveResult [Line: 10]: 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...