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 --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/loop-acceleration/simple_4-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 16:26:17,137 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 16:26:17,139 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 16:26:17,151 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 16:26:17,151 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 16:26:17,152 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 16:26:17,154 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 16:26:17,155 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 16:26:17,157 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 16:26:17,158 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 16:26:17,159 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 16:26:17,160 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 16:26:17,160 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 16:26:17,161 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 16:26:17,162 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 16:26:17,163 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 16:26:17,164 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 16:26:17,165 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 16:26:17,167 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 16:26:17,169 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 16:26:17,171 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 16:26:17,172 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 16:26:17,173 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 16:26:17,174 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 16:26:17,176 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 16:26:17,187 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 16:26:17,188 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 16:26:17,189 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 16:26:17,190 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 16:26:17,204 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 16:26:17,205 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 16:26:17,206 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 16:26:17,206 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 16:26:17,206 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 16:26:17,206 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 16:26:17,207 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 16:26:17,207 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 16:26:17,207 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 16:26:17,207 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 16:26:17,207 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 16:26:17,208 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 16:26:17,208 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 16:26:17,208 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 16:26:17,208 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 16:26:17,208 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 16:26:17,209 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 16:26:17,209 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 16:26:17,209 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 16:26:17,209 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 16:26:17,209 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 16:26:17,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 16:26:17,210 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 16:26:17,210 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 16:26:17,210 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 16:26:17,211 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 16:26:17,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 16:26:17,211 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 16:26:17,211 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain 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 16:26:17,243 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 16:26:17,256 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 16:26:17,259 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 16:26:17,261 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 16:26:17,261 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 16:26:17,262 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/simple_4-2.c [2019-09-20 16:26:17,316 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43b22bea7/3169dd35944e444e8e31cf1d970bebfa/FLAG905d79c8d [2019-09-20 16:26:17,701 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 16:26:17,702 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/simple_4-2.c [2019-09-20 16:26:17,710 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43b22bea7/3169dd35944e444e8e31cf1d970bebfa/FLAG905d79c8d [2019-09-20 16:26:18,086 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43b22bea7/3169dd35944e444e8e31cf1d970bebfa [2019-09-20 16:26:18,095 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 16:26:18,096 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 16:26:18,098 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 16:26:18,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 16:26:18,102 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 16:26:18,102 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:26:18" (1/1) ... [2019-09-20 16:26:18,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@265b1bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:26:18, skipping insertion in model container [2019-09-20 16:26:18,106 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:26:18" (1/1) ... [2019-09-20 16:26:18,113 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 16:26:18,128 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 16:26:18,303 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:26:18,308 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 16:26:18,320 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:26:18,332 INFO L192 MainTranslator]: Completed translation [2019-09-20 16:26:18,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:26:18 WrapperNode [2019-09-20 16:26:18,333 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 16:26:18,334 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 16:26:18,334 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 16:26:18,334 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 16:26:18,442 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:26:18" (1/1) ... [2019-09-20 16:26:18,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:26:18" (1/1) ... [2019-09-20 16:26:18,448 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:26:18" (1/1) ... [2019-09-20 16:26:18,448 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:26:18" (1/1) ... [2019-09-20 16:26:18,452 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:26:18" (1/1) ... [2019-09-20 16:26:18,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:26:18" (1/1) ... [2019-09-20 16:26:18,458 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:26:18" (1/1) ... [2019-09-20 16:26:18,460 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 16:26:18,460 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 16:26:18,461 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 16:26:18,461 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 16:26:18,462 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:26:18" (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 16:26:18,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 16:26:18,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 16:26:18,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 16:26:18,534 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 16:26:18,534 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 16:26:18,534 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 16:26:18,534 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 16:26:18,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 16:26:18,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 16:26:18,732 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 16:26:18,733 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 16:26:18,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:26:18 BoogieIcfgContainer [2019-09-20 16:26:18,735 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 16:26:18,735 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 16:26:18,736 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 16:26:18,736 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 16:26:18,738 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:26:18" (1/1) ... [2019-09-20 16:26:18,739 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 16:26:18,772 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 16:26:18,773 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 16:26:18,783 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 16:26:18,794 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 16:26:18,795 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 16:26:18,881 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-20 16:26:19,101 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 3 for LOIs [2019-09-20 16:26:19,107 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 16:26:19,107 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 16:26:19,109 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 19#false [2019-09-20 16:26:19,123 INFO L100 SifaObserver]: ✔ All error locations are guaranteed to be unreachable. [2019-09-20 16:26:19,126 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 16:26:19,132 INFO L168 Benchmark]: Toolchain (without parser) took 1032.02 ms. Allocated memory was 138.4 MB in the beginning and 200.3 MB in the end (delta: 61.9 MB). Free memory was 88.0 MB in the beginning and 157.8 MB in the end (delta: -69.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 16:26:19,134 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 16:26:19,135 INFO L168 Benchmark]: CACSL2BoogieTranslator took 235.73 ms. Allocated memory is still 138.4 MB. Free memory was 87.5 MB in the beginning and 78.6 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-09-20 16:26:19,141 INFO L168 Benchmark]: Boogie Preprocessor took 126.34 ms. Allocated memory was 138.4 MB in the beginning and 200.3 MB in the end (delta: 61.9 MB). Free memory was 78.6 MB in the beginning and 178.3 MB in the end (delta: -99.7 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-09-20 16:26:19,144 INFO L168 Benchmark]: RCFGBuilder took 274.64 ms. Allocated memory is still 200.3 MB. Free memory was 178.3 MB in the beginning and 166.8 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-09-20 16:26:19,146 INFO L168 Benchmark]: Sifa took 391.21 ms. Allocated memory is still 200.3 MB. Free memory was 166.8 MB in the beginning and 157.8 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-09-20 16:26:19,156 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 138.4 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 235.73 ms. Allocated memory is still 138.4 MB. Free memory was 87.5 MB in the beginning and 78.6 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 126.34 ms. Allocated memory was 138.4 MB in the beginning and 200.3 MB in the end (delta: 61.9 MB). Free memory was 78.6 MB in the beginning and 178.3 MB in the end (delta: -99.7 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 274.64 ms. Allocated memory is still 200.3 MB. Free memory was 178.3 MB in the beginning and 166.8 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * Sifa took 391.21 ms. Allocated memory is still 200.3 MB. Free memory was 166.8 MB in the beginning and 157.8 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 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]: 337, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 12, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 8, TOOLS_POST_TIME[ms]: 22, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 92, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 12, TOOLS_QUANTIFIERELIM_TIME[ms]: 101, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 81, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 14, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 4, DOMAIN_JOIN_TIME[ms]: 104, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 2, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 24, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 127, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 126, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 39, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 36, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 22, DAG_COMPRESSION_PROCESSED_NODES: 44, DAG_COMPRESSION_RETAINED_NODES: 28 - PositiveResult [Line: 5]: 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...