/usr/bin/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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/loop-acceleration/array_2-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 10:08:41,860 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 10:08:41,863 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 10:08:41,874 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 10:08:41,875 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 10:08:41,876 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 10:08:41,877 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 10:08:41,879 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 10:08:41,881 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 10:08:41,882 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 10:08:41,883 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 10:08:41,884 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 10:08:41,884 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 10:08:41,885 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 10:08:41,888 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 10:08:41,889 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 10:08:41,890 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 10:08:41,892 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 10:08:41,894 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 10:08:41,898 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 10:08:41,903 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 10:08:41,906 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 10:08:41,908 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 10:08:41,909 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 10:08:41,911 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-07 10:08:41,921 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 10:08:41,925 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 10:08:41,926 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 10:08:41,928 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 [2019-11-07 10:08:41,948 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 10:08:41,948 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 10:08:41,949 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 10:08:41,949 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 10:08:41,950 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 10:08:41,950 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 10:08:41,950 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 10:08:41,950 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 10:08:41,950 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 10:08:41,951 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 10:08:41,951 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 10:08:41,951 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 10:08:41,951 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 10:08:41,951 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 10:08:41,952 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 10:08:41,952 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 10:08:41,952 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 10:08:41,952 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 10:08:41,953 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 10:08:41,953 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 10:08:41,953 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 10:08:41,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 10:08:41,953 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 10:08:41,954 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 10:08:41,954 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 10:08:41,954 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 10:08:41,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 10:08:41,954 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 10:08:41,955 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 10:08:42,230 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 10:08:42,241 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 10:08:42,244 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 10:08:42,246 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 10:08:42,246 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 10:08:42,247 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/array_2-2.i [2019-11-07 10:08:42,306 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb5231c8a/375ad888e624480f8d03df9bbab5288b/FLAG51f50fd06 [2019-11-07 10:08:42,712 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 10:08:42,713 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/array_2-2.i [2019-11-07 10:08:42,718 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb5231c8a/375ad888e624480f8d03df9bbab5288b/FLAG51f50fd06 [2019-11-07 10:08:43,138 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb5231c8a/375ad888e624480f8d03df9bbab5288b [2019-11-07 10:08:43,148 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 10:08:43,149 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 10:08:43,150 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 10:08:43,151 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 10:08:43,154 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 10:08:43,155 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:08:43" (1/1) ... [2019-11-07 10:08:43,158 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cab38a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:08:43, skipping insertion in model container [2019-11-07 10:08:43,158 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:08:43" (1/1) ... [2019-11-07 10:08:43,165 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 10:08:43,181 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 10:08:43,342 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:08:43,347 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 10:08:43,364 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:08:43,381 INFO L192 MainTranslator]: Completed translation [2019-11-07 10:08:43,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:08:43 WrapperNode [2019-11-07 10:08:43,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 10:08:43,383 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 10:08:43,383 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 10:08:43,383 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 10:08:43,488 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:08:43" (1/1) ... [2019-11-07 10:08:43,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:08:43" (1/1) ... [2019-11-07 10:08:43,497 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:08:43" (1/1) ... [2019-11-07 10:08:43,499 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:08:43" (1/1) ... [2019-11-07 10:08:43,506 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:08:43" (1/1) ... [2019-11-07 10:08:43,511 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:08:43" (1/1) ... [2019-11-07 10:08:43,512 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:08:43" (1/1) ... [2019-11-07 10:08:43,514 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 10:08:43,514 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 10:08:43,515 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 10:08:43,515 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 10:08:43,516 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:08:43" (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 [2019-11-07 10:08:43,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 10:08:43,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 10:08:43,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-11-07 10:08:43,574 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 10:08:43,574 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 10:08:43,574 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-07 10:08:43,575 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 10:08:43,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 10:08:43,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 10:08:43,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 10:08:43,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 10:08:43,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 10:08:43,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 10:08:43,882 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 10:08:43,883 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 10:08:43,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:08:43 BoogieIcfgContainer [2019-11-07 10:08:43,884 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 10:08:43,885 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 10:08:43,885 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 10:08:43,885 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 10:08:43,886 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:08:43" (1/1) ... [2019-11-07 10:08:43,887 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-11-07 10:08:43,910 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 10:08:43,911 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 10:08:43,923 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 10:08:43,932 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 10:08:43,933 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 10:08:44,074 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 17 for LOIs [2019-11-07 10:08:44,462 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 34 for LOIs [2019-11-07 10:08:44,467 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 10:08:44,483 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 10:08:44,483 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 10:08:44,485 INFO L168 Benchmark]: Toolchain (without parser) took 1335.65 ms. Allocated memory was 145.2 MB in the beginning and 203.4 MB in the end (delta: 58.2 MB). Free memory was 102.8 MB in the beginning and 137.7 MB in the end (delta: -34.9 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. [2019-11-07 10:08:44,486 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 145.2 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-11-07 10:08:44,487 INFO L168 Benchmark]: CACSL2BoogieTranslator took 231.98 ms. Allocated memory is still 145.2 MB. Free memory was 102.6 MB in the beginning and 92.9 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-11-07 10:08:44,488 INFO L168 Benchmark]: Boogie Preprocessor took 131.39 ms. Allocated memory was 145.2 MB in the beginning and 203.4 MB in the end (delta: 58.2 MB). Free memory was 92.9 MB in the beginning and 181.6 MB in the end (delta: -88.6 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-11-07 10:08:44,489 INFO L168 Benchmark]: RCFGBuilder took 369.88 ms. Allocated memory is still 203.4 MB. Free memory was 181.6 MB in the beginning and 165.6 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-11-07 10:08:44,490 INFO L168 Benchmark]: Sifa took 598.57 ms. Allocated memory is still 203.4 MB. Free memory was 165.6 MB in the beginning and 137.7 MB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. [2019-11-07 10:08:44,494 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 145.2 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 231.98 ms. Allocated memory is still 145.2 MB. Free memory was 102.6 MB in the beginning and 92.9 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 131.39 ms. Allocated memory was 145.2 MB in the beginning and 203.4 MB in the end (delta: 58.2 MB). Free memory was 92.9 MB in the beginning and 181.6 MB in the end (delta: -88.6 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 369.88 ms. Allocated memory is still 203.4 MB. Free memory was 181.6 MB in the beginning and 165.6 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * Sifa took 598.57 ms. Allocated memory is still 203.4 MB. Free memory was 165.6 MB in the beginning and 137.7 MB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 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]: 557, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 0, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 9, TOOLS_POST_TIME[ms]: 189, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 25, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 1, TOOLS_QUANTIFIERELIM_APPLICATIONS: 13, TOOLS_QUANTIFIERELIM_TIME[ms]: 201, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 89, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 21, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 0, DOMAIN_JOIN_TIME[ms]: 0, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 252, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 19, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 371, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 370, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 93, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 92, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 10, DAG_COMPRESSION_PROCESSED_NODES: 45, DAG_COMPRESSION_RETAINED_NODES: 29 - UnprovableResult [Line: 4]: 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 27#(and (exists ((v_prenex_2 Int) (|v_main_~#A~0.base_BEFORE_CALL_1| Int) (v_prenex_1 Int) (|v_main_~#B~0.base_BEFORE_CALL_1| Int)) (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (= (select (select |#memory_int| v_prenex_1) 4096) (select (select |#memory_int| v_prenex_2) 4096)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (not (= (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_1|) 4096) (select (select |#memory_int| |v_main_~#B~0.base_BEFORE_CALL_1|) 4096))) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...