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 IntervalDomain -i ../../../trunk/examples/svcomp/ldv-regression/test13.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 08:58:15,267 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 08:58:15,269 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 08:58:15,281 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 08:58:15,282 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 08:58:15,283 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 08:58:15,284 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 08:58:15,286 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 08:58:15,288 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 08:58:15,289 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 08:58:15,290 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 08:58:15,291 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 08:58:15,291 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 08:58:15,293 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 08:58:15,294 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 08:58:15,295 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 08:58:15,296 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 08:58:15,297 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 08:58:15,298 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 08:58:15,300 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 08:58:15,302 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 08:58:15,303 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 08:58:15,304 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 08:58:15,305 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 08:58:15,307 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-06 08:58:15,315 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 08:58:15,316 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 08:58:15,316 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 08:58:15,317 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 [2019-09-06 08:58:15,332 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 08:58:15,332 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 08:58:15,336 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 08:58:15,336 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 08:58:15,336 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 08:58:15,336 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 08:58:15,337 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 08:58:15,337 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 08:58:15,337 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 08:58:15,338 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 08:58:15,338 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 08:58:15,338 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 08:58:15,339 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 08:58:15,339 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 08:58:15,339 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 08:58:15,339 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 08:58:15,339 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 08:58:15,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 08:58:15,340 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 08:58:15,340 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 08:58:15,341 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 08:58:15,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 08:58:15,342 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 08:58:15,342 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 08:58:15,342 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 08:58:15,343 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 08:58:15,343 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 08:58:15,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 08:58:15,343 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: Abstract Domain -> IntervalDomain [2019-09-06 08:58:15,392 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 08:58:15,406 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 08:58:15,409 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 08:58:15,411 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 08:58:15,412 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 08:58:15,413 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test13.c [2019-09-06 08:58:15,490 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f59a5378/0dcf4790e8364d4692fd92b03330233d/FLAG7d5048994 [2019-09-06 08:58:15,971 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 08:58:15,972 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test13.c [2019-09-06 08:58:15,979 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f59a5378/0dcf4790e8364d4692fd92b03330233d/FLAG7d5048994 [2019-09-06 08:58:16,348 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f59a5378/0dcf4790e8364d4692fd92b03330233d [2019-09-06 08:58:16,359 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 08:58:16,360 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 08:58:16,362 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 08:58:16,362 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 08:58:16,365 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 08:58:16,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:58:16" (1/1) ... [2019-09-06 08:58:16,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@688de287 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:58:16, skipping insertion in model container [2019-09-06 08:58:16,369 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:58:16" (1/1) ... [2019-09-06 08:58:16,376 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 08:58:16,392 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 08:58:16,597 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:58:16,605 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 08:58:16,626 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:58:16,661 INFO L192 MainTranslator]: Completed translation [2019-09-06 08:58:16,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:58:16 WrapperNode [2019-09-06 08:58:16,661 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 08:58:16,662 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 08:58:16,662 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 08:58:16,662 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 08:58:16,761 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:58:16" (1/1) ... [2019-09-06 08:58:16,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:58:16" (1/1) ... [2019-09-06 08:58:16,768 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:58:16" (1/1) ... [2019-09-06 08:58:16,769 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:58:16" (1/1) ... [2019-09-06 08:58:16,774 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:58:16" (1/1) ... [2019-09-06 08:58:16,776 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:58:16" (1/1) ... [2019-09-06 08:58:16,778 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:58:16" (1/1) ... [2019-09-06 08:58:16,779 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 08:58:16,780 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 08:58:16,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 08:58:16,780 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 08:58:16,781 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:58:16" (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 [2019-09-06 08:58:16,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 08:58:16,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 08:58:16,840 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-06 08:58:16,840 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 08:58:16,840 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 08:58:16,840 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-06 08:58:16,840 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 08:58:16,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 08:58:16,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-06 08:58:16,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-06 08:58:16,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 08:58:16,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-06 08:58:16,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-06 08:58:16,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-06 08:58:17,022 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 08:58:17,023 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-06 08:58:17,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:58:17 BoogieIcfgContainer [2019-09-06 08:58:17,025 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 08:58:17,028 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 08:58:17,029 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 08:58:17,029 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 08:58:17,030 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:58:17" (1/1) ... [2019-09-06 08:58:17,031 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ 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=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-06 08:58:17,101 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 08:58:17,101 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 08:58:17,117 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 08:58:17,128 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 08:58:17,129 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 08:58:17,244 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 20 for LOIs [2019-09-06 08:58:17,248 INFO L199 IcfgInterpreter]: Interpreting procedure check with input of size 30 for LOIs [2019-09-06 08:58:17,266 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 08:58:17,267 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 08:58:17,269 INFO L193 IcfgInterpreter]: Reachable states at location checkErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 13#(and (<= |#NULL.base| 0) (<= 0 check_~a.offset) (<= 0 check_~b.offset) (<= 0 |#NULL.base|) (<= |check_#in~b.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= check_~a.offset 0) (<= 0 |~#a~0.offset|) (<= 0 ~pa~0.offset) (<= ~pa~0.offset 0) (<= ~pb~0.offset 0) (<= |check_#in~a.offset| 0) (<= 0 |~#b~0.offset|) (<= 0 ~pb~0.offset) (<= 0 |check_#in~b.offset|) (<= check_~b.offset 0) (<= 0 |check_#in~a.offset|) (<= |~#a~0.offset| 0) (<= |~#b~0.offset| 0)) [2019-09-06 08:58:17,285 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 08:58:17,285 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 08:58:17,289 INFO L168 Benchmark]: Toolchain (without parser) took 927.20 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 87.8 MB in the beginning and 154.8 MB in the end (delta: -67.0 MB). Peak memory consumption was 597.5 kB. Max. memory is 7.1 GB. [2019-09-06 08:58:17,290 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 131.6 MB. Free memory was 106.0 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 08:58:17,291 INFO L168 Benchmark]: CACSL2BoogieTranslator took 300.26 ms. Allocated memory is still 131.6 MB. Free memory was 87.6 MB in the beginning and 78.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-09-06 08:58:17,293 INFO L168 Benchmark]: Boogie Preprocessor took 117.50 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 78.2 MB in the beginning and 175.6 MB in the end (delta: -97.5 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-09-06 08:58:17,294 INFO L168 Benchmark]: RCFGBuilder took 245.01 ms. Allocated memory is still 199.2 MB. Free memory was 175.6 MB in the beginning and 162.3 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. [2019-09-06 08:58:17,295 INFO L168 Benchmark]: Sifa took 257.30 ms. Allocated memory is still 199.2 MB. Free memory was 162.3 MB in the beginning and 154.8 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 7.1 GB. [2019-09-06 08:58:17,299 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 131.6 MB. Free memory was 106.0 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 300.26 ms. Allocated memory is still 131.6 MB. Free memory was 87.6 MB in the beginning and 78.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.50 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 78.2 MB in the beginning and 175.6 MB in the end (delta: -97.5 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 245.01 ms. Allocated memory is still 199.2 MB. Free memory was 175.6 MB in the beginning and 162.3 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. * Sifa took 257.30 ms. Allocated memory is still 199.2 MB. Free memory was 162.3 MB in the beginning and 154.8 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 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]: 169, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 9, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 5, TOOLS_POST_TIME[ms]: 22, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 24, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 5, TOOLS_QUANTIFIERELIM_TIME[ms]: 26, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 9, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 2, DOMAIN_JOIN_TIME[ms]: 28, 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: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 51, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 14, DAG_COMPRESSION_PROCESSED_NODES: 37, DAG_COMPRESSION_RETAINED_NODES: 27 - UnprovableResult [Line: 10]: 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 13#(and (<= |#NULL.base| 0) (<= 0 check_~a.offset) (<= 0 check_~b.offset) (<= 0 |#NULL.base|) (<= |check_#in~b.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= check_~a.offset 0) (<= 0 |~#a~0.offset|) (<= 0 ~pa~0.offset) (<= ~pa~0.offset 0) (<= ~pb~0.offset 0) (<= |check_#in~a.offset| 0) (<= 0 |~#b~0.offset|) (<= 0 ~pb~0.offset) (<= 0 |check_#in~b.offset|) (<= check_~b.offset 0) (<= 0 |check_#in~a.offset|) (<= |~#a~0.offset| 0) (<= |~#b~0.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...