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 NONE -i ../../../trunk/examples/svcomp/ldv-regression/test17.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:06:44,908 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2019-09-20 15:06:44,931 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:06:44,932 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:06:44,932 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:06:44,933 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:06:44,934 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:06:44,935 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:06:44,937 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:06:44,939 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:06:44,940 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:06:44,941 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:06:44,943 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:06:44,943 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:06:44,946 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 15:06:44,953 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:06:44,954 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:06:44,955 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:06:44,956 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 15:06:44,970 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:06:44,970 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:06:44,971 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:06:44,971 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:06:44,972 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:06:44,972 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:06:44,972 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:06:44,972 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:06:44,973 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:06:44,973 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:06:44,973 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:06:44,973 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:06:44,973 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:06:44,973 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:06:44,974 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:06:44,974 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:06:44,974 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:06:44,974 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:06:44,975 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:06:44,975 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:06:44,975 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:06:44,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:06:44,975 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:06:44,976 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:06:44,976 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:06:44,976 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:06:44,976 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:06:44,976 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:06:44,976 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 -> NONE [2019-09-20 15:06:45,025 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:06:45,040 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:06:45,045 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:06:45,046 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:06:45,047 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:06:45,047 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test17.c [2019-09-20 15:06:45,108 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd3e57aec/9f5f252cc5bb4dd2ab88061b074ffe73/FLAGf36279b25 [2019-09-20 15:06:45,531 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:06:45,534 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test17.c [2019-09-20 15:06:45,541 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd3e57aec/9f5f252cc5bb4dd2ab88061b074ffe73/FLAGf36279b25 [2019-09-20 15:06:45,925 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd3e57aec/9f5f252cc5bb4dd2ab88061b074ffe73 [2019-09-20 15:06:45,936 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:06:45,937 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:06:45,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:06:45,939 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:06:45,942 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:06:45,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:06:45" (1/1) ... [2019-09-20 15:06:45,946 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11837186 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:06:45, skipping insertion in model container [2019-09-20 15:06:45,947 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:06:45" (1/1) ... [2019-09-20 15:06:45,954 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:06:45,971 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:06:46,132 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:06:46,137 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:06:46,148 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:06:46,173 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:06:46,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:06:46 WrapperNode [2019-09-20 15:06:46,173 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:06:46,174 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:06:46,174 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:06:46,174 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:06:46,273 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:06:46" (1/1) ... [2019-09-20 15:06:46,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:06:46" (1/1) ... [2019-09-20 15:06:46,281 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:06:46" (1/1) ... [2019-09-20 15:06:46,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:06:46" (1/1) ... [2019-09-20 15:06:46,286 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:06:46" (1/1) ... [2019-09-20 15:06:46,288 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:06:46" (1/1) ... [2019-09-20 15:06:46,289 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:06:46" (1/1) ... [2019-09-20 15:06:46,291 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:06:46,292 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:06:46,292 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:06:46,292 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:06:46,293 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:06:46" (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 15:06:46,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:06:46,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:06:46,346 INFO L138 BoogieDeclarations]: Found implementation of procedure equal [2019-09-20 15:06:46,346 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:06:46,346 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:06:46,346 INFO L130 BoogieDeclarations]: Found specification of procedure equal [2019-09-20 15:06:46,346 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:06:46,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:06:46,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:06:46,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:06:46,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:06:46,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:06:46,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:06:46,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:06:46,543 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:06:46,544 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 15:06:46,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:06:46 BoogieIcfgContainer [2019-09-20 15:06:46,545 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:06:46,546 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:06:46,546 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:06:46,546 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:06:46,547 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:06:46" (1/1) ... [2019-09-20 15:06:46,548 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=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:06:46,579 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:06:46,592 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:06:46,615 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:06:46,625 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:06:46,627 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:06:46,809 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 29 for LOIs [2019-09-20 15:06:46,814 INFO L199 IcfgInterpreter]: Interpreting procedure equal with input of size 37 for LOIs [2019-09-20 15:06:46,824 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:06:46,824 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:06:46,828 INFO L193 IcfgInterpreter]: Reachable states at location equalErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 14#(and (= equal_~b.offset |equal_#in~b.offset|) (= |equal_#in~b.offset| |~#a~0.offset|) (= equal_~b.base |equal_#in~b.base|) (= |~#a~0.base| |equal_#in~a.base|) (= 0 |#NULL.base|) (or (not (= equal_~a.base equal_~b.base)) (not (= equal_~b.offset equal_~a.offset))) (= 1 (select |#valid| |~#a~0.base|)) (= 4 (select |#length| |~#a~0.base|)) (= |~#a~0.base| |equal_#in~b.base|) (= 0 ~b~0) (= |equal_#in~a.offset| |~#a~0.offset|) (= 0 |~#a~0.offset|) (not (= 0 |~#a~0.base|)) (= 0 (select |#valid| 0)) (= 0 (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|)) (= equal_~a.base |equal_#in~a.base|) (= |equal_#in~a.offset| equal_~a.offset) (= |#NULL.offset| 0) (< |~#a~0.base| |#StackHeapBarrier|)) [2019-09-20 15:06:46,841 INFO L100 SifaObserver]: ✔ All error locations are guaranteed to be unreachable. [2019-09-20 15:06:46,841 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:06:46,843 INFO L168 Benchmark]: Toolchain (without parser) took 905.34 ms. Allocated memory was 131.1 MB in the beginning and 199.2 MB in the end (delta: 68.2 MB). Free memory was 87.1 MB in the beginning and 151.6 MB in the end (delta: -64.5 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2019-09-20 15:06:46,844 INFO L168 Benchmark]: CDTParser took 1.14 ms. Allocated memory is still 131.1 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:06:46,845 INFO L168 Benchmark]: CACSL2BoogieTranslator took 235.06 ms. Allocated memory is still 131.1 MB. Free memory was 86.9 MB in the beginning and 77.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-09-20 15:06:46,846 INFO L168 Benchmark]: Boogie Preprocessor took 117.25 ms. Allocated memory was 131.1 MB in the beginning and 199.2 MB in the end (delta: 68.2 MB). Free memory was 77.5 MB in the beginning and 175.9 MB in the end (delta: -98.5 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-09-20 15:06:46,847 INFO L168 Benchmark]: RCFGBuilder took 253.83 ms. Allocated memory is still 199.2 MB. Free memory was 175.9 MB in the beginning and 162.2 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. [2019-09-20 15:06:46,848 INFO L168 Benchmark]: Sifa took 295.36 ms. Allocated memory is still 199.2 MB. Free memory was 162.2 MB in the beginning and 151.6 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2019-09-20 15:06:46,851 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.14 ms. Allocated memory is still 131.1 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 235.06 ms. Allocated memory is still 131.1 MB. Free memory was 86.9 MB in the beginning and 77.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.25 ms. Allocated memory was 131.1 MB in the beginning and 199.2 MB in the end (delta: 68.2 MB). Free memory was 77.5 MB in the beginning and 175.9 MB in the end (delta: -98.5 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 253.83 ms. Allocated memory is still 199.2 MB. Free memory was 175.9 MB in the beginning and 162.2 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. * Sifa took 295.36 ms. Allocated memory is still 199.2 MB. Free memory was 162.2 MB in the beginning and 151.6 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 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]: 250, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 8, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 4, TOOLS_POST_TIME[ms]: 124, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 22, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 5, TOOLS_QUANTIFIERELIM_APPLICATIONS: 8, TOOLS_QUANTIFIERELIM_TIME[ms]: 135, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 119, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 8, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 2, DOMAIN_JOIN_TIME[ms]: 3, 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]: 126, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 126, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 12, DAG_COMPRESSION_PROCESSED_NODES: 33, 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...