/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/loops-crafted-1/sumt2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-24 02:38:23,182 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 02:38:23,186 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 02:38:23,250 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-10-24 02:38:23,262 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 02:38:23,263 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 02:38:23,264 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 02:38:23,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 02:38:23,267 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 02:38:23,268 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 02:38:23,270 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 02:38:23,273 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 02:38:23,274 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 02:38:23,276 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 02:38:23,278 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 02:38:23,279 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 02:38:23,282 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-24 02:38:23,294 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 02:38:23,295 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 02:38:23,296 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 02:38:23,298 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-24 02:38:23,311 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 02:38:23,311 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 02:38:23,313 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 02:38:23,313 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 02:38:23,313 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 02:38:23,314 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 02:38:23,314 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 02:38:23,314 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 02:38:23,314 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 02:38:23,314 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 02:38:23,314 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 02:38:23,315 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 02:38:23,315 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 02:38:23,315 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 02:38:23,315 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 02:38:23,315 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-24 02:38:23,316 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 02:38:23,316 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 02:38:23,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 02:38:23,316 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 02:38:23,317 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-24 02:38:23,317 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 02:38:23,317 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-10-24 02:38:23,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 02:38:23,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 02:38:23,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 02:38:23,790 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 02:38:23,791 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 02:38:23,792 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/sumt2.c [2020-10-24 02:38:23,892 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d770ce8a/e09128fcd5d74e0490f387386dc6f110/FLAG9eafa87c4 [2020-10-24 02:38:24,510 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 02:38:24,511 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/sumt2.c [2020-10-24 02:38:24,519 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d770ce8a/e09128fcd5d74e0490f387386dc6f110/FLAG9eafa87c4 [2020-10-24 02:38:24,882 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d770ce8a/e09128fcd5d74e0490f387386dc6f110 [2020-10-24 02:38:24,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 02:38:24,893 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-24 02:38:24,895 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 02:38:24,895 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 02:38:24,899 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 02:38:24,900 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:38:24" (1/1) ... [2020-10-24 02:38:24,904 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b8f7d44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:38:24, skipping insertion in model container [2020-10-24 02:38:24,904 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:38:24" (1/1) ... [2020-10-24 02:38:24,913 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 02:38:24,930 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 02:38:25,115 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 02:38:25,126 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 02:38:25,147 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 02:38:25,165 INFO L208 MainTranslator]: Completed translation [2020-10-24 02:38:25,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:38:25 WrapperNode [2020-10-24 02:38:25,166 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 02:38:25,167 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 02:38:25,167 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 02:38:25,168 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 02:38:25,182 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:38:25" (1/1) ... [2020-10-24 02:38:25,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:38:25" (1/1) ... [2020-10-24 02:38:25,191 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:38:25" (1/1) ... [2020-10-24 02:38:25,192 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:38:25" (1/1) ... [2020-10-24 02:38:25,198 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:38:25" (1/1) ... [2020-10-24 02:38:25,204 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:38:25" (1/1) ... [2020-10-24 02:38:25,206 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:38:25" (1/1) ... [2020-10-24 02:38:25,208 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 02:38:25,209 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 02:38:25,209 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 02:38:25,210 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 02:38:25,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:38:25" (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 [2020-10-24 02:38:25,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-24 02:38:25,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 02:38:25,311 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-24 02:38:25,311 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-24 02:38:25,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-24 02:38:25,312 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-24 02:38:25,312 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-24 02:38:25,312 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-24 02:38:25,313 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-24 02:38:25,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 02:38:25,313 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-24 02:38:25,314 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-24 02:38:25,314 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-24 02:38:25,314 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-24 02:38:25,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-24 02:38:25,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 02:38:25,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 02:38:25,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 02:38:25,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 02:38:25,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 02:38:25,866 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 02:38:25,867 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-24 02:38:25,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:38:25 BoogieIcfgContainer [2020-10-24 02:38:25,873 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 02:38:25,878 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 02:38:25,878 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 02:38:25,883 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 02:38:25,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 02:38:24" (1/3) ... [2020-10-24 02:38:25,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a8cf2b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:38:25, skipping insertion in model container [2020-10-24 02:38:25,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:38:25" (2/3) ... [2020-10-24 02:38:25,887 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a8cf2b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:38:25, skipping insertion in model container [2020-10-24 02:38:25,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:38:25" (3/3) ... [2020-10-24 02:38:25,889 INFO L111 eAbstractionObserver]: Analyzing ICFG sumt2.c [2020-10-24 02:38:25,906 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-24 02:38:25,912 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 02:38:25,936 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 02:38:25,976 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 02:38:25,976 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 02:38:25,977 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-24 02:38:25,977 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 02:38:25,977 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 02:38:25,977 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 02:38:25,977 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 02:38:25,977 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 02:38:26,002 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2020-10-24 02:38:26,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-24 02:38:26,017 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 02:38:26,018 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 02:38:26,019 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 02:38:26,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 02:38:26,027 INFO L82 PathProgramCache]: Analyzing trace with hash -1488124333, now seen corresponding path program 1 times [2020-10-24 02:38:26,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 02:38:26,042 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [246054306] [2020-10-24 02:38:26,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 02:38:26,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:38:26,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 02:38:26,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:38:26,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 02:38:26,676 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [246054306] [2020-10-24 02:38:26,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 02:38:26,679 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-24 02:38:26,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807831936] [2020-10-24 02:38:26,685 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 02:38:26,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 02:38:26,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 02:38:26,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-24 02:38:26,704 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 8 states. [2020-10-24 02:38:27,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 02:38:27,213 INFO L93 Difference]: Finished difference Result 74 states and 88 transitions. [2020-10-24 02:38:27,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-24 02:38:27,215 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2020-10-24 02:38:27,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 02:38:27,225 INFO L225 Difference]: With dead ends: 74 [2020-10-24 02:38:27,225 INFO L226 Difference]: Without dead ends: 37 [2020-10-24 02:38:27,229 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2020-10-24 02:38:27,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-10-24 02:38:27,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 36. [2020-10-24 02:38:27,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-10-24 02:38:27,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 37 transitions. [2020-10-24 02:38:27,280 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 37 transitions. Word has length 29 [2020-10-24 02:38:27,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 02:38:27,281 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 37 transitions. [2020-10-24 02:38:27,281 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 02:38:27,281 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2020-10-24 02:38:27,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-24 02:38:27,283 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 02:38:27,283 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 02:38:27,283 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 02:38:27,284 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 02:38:27,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 02:38:27,285 INFO L82 PathProgramCache]: Analyzing trace with hash -650798693, now seen corresponding path program 1 times [2020-10-24 02:38:27,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 02:38:27,285 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1835371159] [2020-10-24 02:38:27,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 02:38:27,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:38:27,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 02:38:27,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:38:27,699 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 02:38:27,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1835371159] [2020-10-24 02:38:27,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 02:38:27,700 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-24 02:38:27,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062745987] [2020-10-24 02:38:27,703 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-24 02:38:27,703 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 02:38:27,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-24 02:38:27,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-10-24 02:38:27,705 INFO L87 Difference]: Start difference. First operand 36 states and 37 transitions. Second operand 12 states. [2020-10-24 02:38:30,523 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-10-24 02:38:30,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 02:38:30,575 INFO L93 Difference]: Finished difference Result 47 states and 49 transitions. [2020-10-24 02:38:30,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-24 02:38:30,576 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 33 [2020-10-24 02:38:30,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 02:38:30,578 INFO L225 Difference]: With dead ends: 47 [2020-10-24 02:38:30,578 INFO L226 Difference]: Without dead ends: 41 [2020-10-24 02:38:30,579 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=85, Invalid=295, Unknown=0, NotChecked=0, Total=380 [2020-10-24 02:38:30,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-10-24 02:38:30,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2020-10-24 02:38:30,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-24 02:38:30,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 40 transitions. [2020-10-24 02:38:30,593 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 40 transitions. Word has length 33 [2020-10-24 02:38:30,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 02:38:30,594 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 40 transitions. [2020-10-24 02:38:30,594 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-24 02:38:30,594 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2020-10-24 02:38:30,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-24 02:38:30,595 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 02:38:30,595 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 02:38:30,596 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 02:38:30,596 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 02:38:30,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 02:38:30,597 INFO L82 PathProgramCache]: Analyzing trace with hash -225228573, now seen corresponding path program 2 times [2020-10-24 02:38:30,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 02:38:30,597 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1500162930] [2020-10-24 02:38:30,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 02:38:30,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:38:30,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 02:38:30,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:38:30,722 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 02:38:30,723 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1500162930] [2020-10-24 02:38:30,723 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 02:38:30,723 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-24 02:38:30,723 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439301762] [2020-10-24 02:38:30,724 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-24 02:38:30,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 02:38:30,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-24 02:38:30,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-24 02:38:30,726 INFO L87 Difference]: Start difference. First operand 39 states and 40 transitions. Second operand 5 states. [2020-10-24 02:38:30,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 02:38:30,966 INFO L93 Difference]: Finished difference Result 53 states and 56 transitions. [2020-10-24 02:38:30,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-24 02:38:30,969 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2020-10-24 02:38:30,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 02:38:30,970 INFO L225 Difference]: With dead ends: 53 [2020-10-24 02:38:30,970 INFO L226 Difference]: Without dead ends: 42 [2020-10-24 02:38:30,974 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-24 02:38:30,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-10-24 02:38:30,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 40. [2020-10-24 02:38:31,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-10-24 02:38:31,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 41 transitions. [2020-10-24 02:38:31,003 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 41 transitions. Word has length 37 [2020-10-24 02:38:31,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 02:38:31,003 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 41 transitions. [2020-10-24 02:38:31,003 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-24 02:38:31,004 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 41 transitions. [2020-10-24 02:38:31,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-24 02:38:31,005 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 02:38:31,005 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 02:38:31,005 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-24 02:38:31,005 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 02:38:31,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 02:38:31,009 INFO L82 PathProgramCache]: Analyzing trace with hash -419160957, now seen corresponding path program 1 times [2020-10-24 02:38:31,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 02:38:31,010 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [789133984] [2020-10-24 02:38:31,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 02:38:31,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:38:31,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 02:38:31,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:38:31,637 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 02:38:31,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [789133984] [2020-10-24 02:38:31,638 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 02:38:31,638 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-24 02:38:31,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144129334] [2020-10-24 02:38:31,639 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-24 02:38:31,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 02:38:31,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-24 02:38:31,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-10-24 02:38:31,641 INFO L87 Difference]: Start difference. First operand 40 states and 41 transitions. Second operand 14 states. [2020-10-24 02:38:32,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 02:38:32,445 INFO L93 Difference]: Finished difference Result 52 states and 54 transitions. [2020-10-24 02:38:32,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-24 02:38:32,445 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 37 [2020-10-24 02:38:32,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 02:38:32,448 INFO L225 Difference]: With dead ends: 52 [2020-10-24 02:38:32,449 INFO L226 Difference]: Without dead ends: 46 [2020-10-24 02:38:32,450 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=95, Invalid=457, Unknown=0, NotChecked=0, Total=552 [2020-10-24 02:38:32,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-10-24 02:38:32,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 43. [2020-10-24 02:38:32,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-24 02:38:32,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 44 transitions. [2020-10-24 02:38:32,463 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 44 transitions. Word has length 37 [2020-10-24 02:38:32,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 02:38:32,463 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 44 transitions. [2020-10-24 02:38:32,464 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-24 02:38:32,464 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2020-10-24 02:38:32,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-24 02:38:32,465 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 02:38:32,465 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 02:38:32,466 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-24 02:38:32,466 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 02:38:32,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 02:38:32,466 INFO L82 PathProgramCache]: Analyzing trace with hash -1642719285, now seen corresponding path program 2 times [2020-10-24 02:38:32,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 02:38:32,467 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [525097733] [2020-10-24 02:38:32,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 02:38:32,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:38:33,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 02:38:33,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:38:33,402 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 02:38:33,403 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [525097733] [2020-10-24 02:38:33,403 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 02:38:33,403 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-24 02:38:33,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082852267] [2020-10-24 02:38:33,404 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-24 02:38:33,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 02:38:33,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-24 02:38:33,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=324, Unknown=0, NotChecked=0, Total=380 [2020-10-24 02:38:33,407 INFO L87 Difference]: Start difference. First operand 43 states and 44 transitions. Second operand 20 states. [2020-10-24 02:38:36,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 02:38:36,990 INFO L93 Difference]: Finished difference Result 46 states and 48 transitions. [2020-10-24 02:38:36,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-24 02:38:36,991 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 41 [2020-10-24 02:38:36,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 02:38:36,992 INFO L225 Difference]: With dead ends: 46 [2020-10-24 02:38:36,992 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 02:38:36,993 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=194, Invalid=928, Unknown=0, NotChecked=0, Total=1122 [2020-10-24 02:38:36,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 02:38:36,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 02:38:36,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 02:38:36,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 02:38:36,994 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2020-10-24 02:38:36,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 02:38:36,995 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 02:38:36,995 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-24 02:38:36,995 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 02:38:36,995 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 02:38:36,995 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-24 02:38:36,997 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 02:38:37,503 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 50 [2020-10-24 02:38:37,841 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 45 [2020-10-24 02:38:38,396 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 32 [2020-10-24 02:38:38,582 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 39 [2020-10-24 02:38:38,772 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 25 [2020-10-24 02:38:39,140 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 50 [2020-10-24 02:38:39,208 INFO L277 CegarLoopResult]: At program point reach_errorEXIT(line 3) the Hoare annotation is: true [2020-10-24 02:38:39,208 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-24 02:38:39,208 INFO L277 CegarLoopResult]: At program point reach_errorFINAL(line 3) the Hoare annotation is: true [2020-10-24 02:38:39,208 INFO L277 CegarLoopResult]: At program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) the Hoare annotation is: true [2020-10-24 02:38:39,208 INFO L277 CegarLoopResult]: At program point L3-2(line 3) the Hoare annotation is: true [2020-10-24 02:38:39,209 INFO L277 CegarLoopResult]: At program point L3-3(line 3) the Hoare annotation is: true [2020-10-24 02:38:39,209 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-24 02:38:39,209 INFO L277 CegarLoopResult]: At program point L3-4(line 3) the Hoare annotation is: true [2020-10-24 02:38:39,209 INFO L277 CegarLoopResult]: At program point L-1-1(line -1) the Hoare annotation is: true [2020-10-24 02:38:39,209 INFO L277 CegarLoopResult]: At program point L3-5(line 3) the Hoare annotation is: true [2020-10-24 02:38:39,210 INFO L270 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: (and (<= 20000001 ~SIZE~0) (<= ~SIZE~0 20000001)) [2020-10-24 02:38:39,210 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~SIZE~0 |old(~SIZE~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-10-24 02:38:39,210 INFO L277 CegarLoopResult]: At program point L3(line 3) the Hoare annotation is: true [2020-10-24 02:38:39,211 INFO L277 CegarLoopResult]: At program point L3-1(line 3) the Hoare annotation is: true [2020-10-24 02:38:39,211 INFO L270 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: (and (<= 20000001 ~SIZE~0) (<= ~SIZE~0 20000001)) [2020-10-24 02:38:39,211 INFO L277 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-10-24 02:38:39,211 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 20000001 ~SIZE~0) (<= ~SIZE~0 20000001)) [2020-10-24 02:38:39,211 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-24 02:38:39,211 INFO L277 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-10-24 02:38:39,212 INFO L274 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 5 7) no Hoare annotation was computed. [2020-10-24 02:38:39,212 INFO L274 CegarLoopResult]: For program point L6(line 6) no Hoare annotation was computed. [2020-10-24 02:38:39,212 INFO L274 CegarLoopResult]: For program point L6-1(line 6) no Hoare annotation was computed. [2020-10-24 02:38:39,212 INFO L274 CegarLoopResult]: For program point L6-3(lines 5 7) no Hoare annotation was computed. [2020-10-24 02:38:39,212 INFO L274 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 5 7) no Hoare annotation was computed. [2020-10-24 02:38:39,212 INFO L277 CegarLoopResult]: At program point L31(line 31) the Hoare annotation is: true [2020-10-24 02:38:39,213 INFO L270 CegarLoopResult]: At program point L25(lines 25 28) the Hoare annotation is: (let ((.cse0 (* 4294967296 (div main_~n~0 4294967296)))) (let ((.cse3 (= main_~j~0 0)) (.cse2 (<= main_~n~0 (+ .cse0 20000001)))) (or (let ((.cse1 (+ main_~i~0 main_~j~0))) (and (<= (+ .cse0 main_~l~0 3) (+ main_~i~0 main_~j~0 main_~n~0)) (<= .cse1 main_~l~0) (<= main_~l~0 .cse1) .cse2)) (not (<= ~SIZE~0 20000001)) (and (<= main_~i~0 main_~l~0) (<= 1 main_~l~0) .cse3 (<= (+ (* 4294967296 (div main_~l~0 4294967296)) 1) main_~i~0) (<= (+ .cse0 main_~l~0 2) (+ main_~i~0 main_~n~0)) (<= (div main_~l~0 2) 0) .cse2) (and (= main_~i~0 0) .cse3 (= main_~l~0 0) .cse2 (<= (+ .cse0 1) main_~n~0)) (not (<= 20000001 ~SIZE~0))))) [2020-10-24 02:38:39,213 INFO L277 CegarLoopResult]: At program point mainEXIT(lines 16 33) the Hoare annotation is: true [2020-10-24 02:38:39,213 INFO L270 CegarLoopResult]: At program point L25-2(lines 25 28) the Hoare annotation is: (let ((.cse0 (* 4294967296 (div main_~n~0 4294967296))) (.cse6 (+ main_~i~0 main_~j~0)) (.cse5 (+ main_~l~0 1))) (let ((.cse2 (+ main_~i~0 main_~j~0 main_~n~0)) (.cse3 (<= .cse6 .cse5)) (.cse4 (<= .cse5 .cse6)) (.cse1 (<= main_~n~0 (+ .cse0 20000001)))) (or (and (<= (+ .cse0 2) (+ main_~i~0 main_~n~0)) (= main_~j~0 0) (<= (+ (* 4294967296 (div main_~l~0 4294967296)) 1) (+ main_~i~0 main_~l~0)) (= main_~l~0 0) .cse1 (<= main_~i~0 1)) (and (<= (+ .cse0 main_~l~0 4) .cse2) .cse3 .cse4 .cse1) (not (<= ~SIZE~0 20000001)) (not (<= 20000001 ~SIZE~0)) (and (<= main_~l~0 (+ (* 4294967296 (div (+ main_~i~0 main_~j~0 (- 2)) 4294967296)) 20000001)) (<= (+ .cse0 main_~l~0 3) .cse2) .cse3 .cse4 .cse1)))) [2020-10-24 02:38:39,213 INFO L270 CegarLoopResult]: At program point L21(line 21) the Hoare annotation is: (or (not (<= ~SIZE~0 20000001)) (not (<= 20000001 ~SIZE~0)) (and (= main_~i~0 0) (= main_~l~0 0) (<= main_~n~0 (+ (* 4294967296 (div main_~n~0 4294967296)) 20000001)))) [2020-10-24 02:38:39,214 INFO L270 CegarLoopResult]: At program point L23-2(lines 23 30) the Hoare annotation is: (let ((.cse5 (* 4294967296 (div main_~n~0 4294967296))) (.cse3 (+ main_~i~0 main_~j~0))) (let ((.cse0 (<= .cse3 main_~l~0)) (.cse1 (<= main_~l~0 .cse3)) (.cse6 (= main_~j~0 0)) (.cse2 (* 4294967296 (div main_~l~0 4294967296))) (.cse4 (<= main_~n~0 (+ .cse5 20000001)))) (or (and .cse0 .cse1 (<= (+ .cse2 2) .cse3) .cse4) (and (<= (+ .cse5 main_~l~0 3) (+ main_~i~0 main_~j~0 main_~n~0)) .cse0 .cse1 .cse4) (and (= main_~i~0 0) .cse6 (= main_~l~0 0) .cse4) (and (<= 1 main_~l~0) .cse6 (<= (+ main_~i~0 main_~j~0 .cse2) (+ (* 4294967296 (div .cse3 4294967296)) main_~l~0)) (<= (+ .cse2 1) main_~i~0) (<= main_~i~0 (+ .cse2 4294967295)) (<= (div main_~l~0 2) 0) .cse4) (not (<= ~SIZE~0 20000001)) (not (<= 20000001 ~SIZE~0))))) [2020-10-24 02:38:39,214 INFO L270 CegarLoopResult]: At program point L23-3(lines 23 30) the Hoare annotation is: (or (let ((.cse2 (div (+ main_~i~0 main_~j~0) 4294967296)) (.cse3 (div main_~l~0 4294967296))) (let ((.cse1 (* 4294967296 .cse3)) (.cse0 (+ (* 4294967296 .cse2) main_~l~0))) (and (< .cse0 (+ main_~i~0 main_~j~0 .cse1 1)) (< .cse2 (+ .cse3 1)) (<= (+ main_~i~0 main_~j~0 .cse1) .cse0)))) (not (<= ~SIZE~0 20000001)) (not (<= 20000001 ~SIZE~0))) [2020-10-24 02:38:39,214 INFO L270 CegarLoopResult]: At program point L19(line 19) the Hoare annotation is: (or (= main_~l~0 0) (not (<= ~SIZE~0 20000001)) (not (<= 20000001 ~SIZE~0))) [2020-10-24 02:38:39,214 INFO L277 CegarLoopResult]: At program point L19-1(line 19) the Hoare annotation is: true [2020-10-24 02:38:39,214 INFO L277 CegarLoopResult]: At program point L17(line 17) the Hoare annotation is: true [2020-10-24 02:38:39,214 INFO L277 CegarLoopResult]: At program point L17-1(line 17) the Hoare annotation is: true [2020-10-24 02:38:39,215 INFO L277 CegarLoopResult]: At program point L17-2(line 17) the Hoare annotation is: true [2020-10-24 02:38:39,215 INFO L277 CegarLoopResult]: At program point mainFINAL(lines 16 33) the Hoare annotation is: true [2020-10-24 02:38:39,215 INFO L277 CegarLoopResult]: At program point mainENTRY(lines 16 33) the Hoare annotation is: true [2020-10-24 02:38:39,215 INFO L270 CegarLoopResult]: At program point L28(line 28) the Hoare annotation is: (let ((.cse0 (* 4294967296 (div main_~n~0 4294967296)))) (let ((.cse1 (<= main_~n~0 (+ .cse0 20000001)))) (or (and (<= main_~i~0 main_~l~0) (<= main_~l~0 main_~i~0) (<= main_~l~0 (+ (* 4294967296 (div (+ main_~i~0 (- 1)) 4294967296)) 20000001)) (= main_~j~0 0) (<= (+ .cse0 main_~l~0 2) (+ main_~i~0 main_~n~0)) .cse1) (let ((.cse2 (+ main_~i~0 main_~j~0))) (and (<= (+ .cse0 main_~l~0 3) (+ main_~i~0 main_~j~0 main_~n~0)) (<= .cse2 main_~l~0) (<= main_~l~0 .cse2) .cse1)) (not (<= ~SIZE~0 20000001)) (not (<= 20000001 ~SIZE~0))))) [2020-10-24 02:38:39,215 INFO L270 CegarLoopResult]: At program point L26(line 26) the Hoare annotation is: (let ((.cse0 (* 4294967296 (div main_~n~0 4294967296)))) (let ((.cse2 (<= main_~n~0 (+ .cse0 20000001)))) (or (let ((.cse1 (+ main_~i~0 main_~j~0))) (and (<= (+ .cse0 main_~l~0 3) (+ main_~i~0 main_~j~0 main_~n~0)) (<= .cse1 main_~l~0) (<= main_~l~0 .cse1) .cse2)) (not (<= ~SIZE~0 20000001)) (and (= main_~i~0 0) (= main_~j~0 0) (= main_~l~0 0) .cse2 (<= (+ .cse0 1) main_~n~0)) (not (<= 20000001 ~SIZE~0))))) [2020-10-24 02:38:39,216 INFO L270 CegarLoopResult]: At program point L22(line 22) the Hoare annotation is: (or (and (= main_~i~0 0) (= main_~j~0 0) (= main_~l~0 0) (<= main_~n~0 (+ (* 4294967296 (div main_~n~0 4294967296)) 20000001))) (not (<= ~SIZE~0 20000001)) (not (<= 20000001 ~SIZE~0))) [2020-10-24 02:38:39,216 INFO L270 CegarLoopResult]: At program point L20(line 20) the Hoare annotation is: (or (not (<= ~SIZE~0 20000001)) (and (= main_~l~0 0) (<= main_~n~0 (+ (* 4294967296 (div main_~n~0 4294967296)) 20000001))) (not (<= 20000001 ~SIZE~0))) [2020-10-24 02:38:39,216 INFO L270 CegarLoopResult]: At program point L18(line 18) the Hoare annotation is: (or (= main_~l~0 0) (not (<= ~SIZE~0 20000001)) (not (<= 20000001 ~SIZE~0))) [2020-10-24 02:38:39,216 INFO L270 CegarLoopResult]: At program point L18-1(line 18) the Hoare annotation is: (or (= main_~l~0 0) (not (<= ~SIZE~0 20000001)) (not (<= 20000001 ~SIZE~0))) [2020-10-24 02:38:39,216 INFO L277 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 8 13) the Hoare annotation is: true [2020-10-24 02:38:39,216 INFO L270 CegarLoopResult]: At program point L10(line 10) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2020-10-24 02:38:39,217 INFO L270 CegarLoopResult]: At program point __VERIFIER_assertEXIT(lines 8 13) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2020-10-24 02:38:39,217 INFO L270 CegarLoopResult]: At program point L9(lines 9 11) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2020-10-24 02:38:39,217 INFO L270 CegarLoopResult]: At program point L10-1(line 10) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2020-10-24 02:38:39,217 INFO L270 CegarLoopResult]: At program point L9-2(lines 8 13) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2020-10-24 02:38:39,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 02:38:39 BoogieIcfgContainer [2020-10-24 02:38:39,245 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 02:38:39,247 INFO L168 Benchmark]: Toolchain (without parser) took 14359.68 ms. Allocated memory was 154.1 MB in the beginning and 185.6 MB in the end (delta: 31.5 MB). Free memory was 130.5 MB in the beginning and 116.0 MB in the end (delta: 14.5 MB). Peak memory consumption was 104.0 MB. Max. memory is 8.0 GB. [2020-10-24 02:38:39,248 INFO L168 Benchmark]: CDTParser took 1.02 ms. Allocated memory is still 125.8 MB. Free memory is still 98.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-24 02:38:39,249 INFO L168 Benchmark]: CACSL2BoogieTranslator took 271.68 ms. Allocated memory is still 154.1 MB. Free memory was 129.9 MB in the beginning and 120.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-10-24 02:38:39,250 INFO L168 Benchmark]: Boogie Preprocessor took 41.17 ms. Allocated memory is still 154.1 MB. Free memory was 120.4 MB in the beginning and 119.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-10-24 02:38:39,250 INFO L168 Benchmark]: RCFGBuilder took 664.00 ms. Allocated memory is still 154.1 MB. Free memory was 118.9 MB in the beginning and 129.5 MB in the end (delta: -10.6 MB). Peak memory consumption was 10.1 MB. Max. memory is 8.0 GB. [2020-10-24 02:38:39,252 INFO L168 Benchmark]: TraceAbstraction took 13367.40 ms. Allocated memory was 154.1 MB in the beginning and 185.6 MB in the end (delta: 31.5 MB). Free memory was 128.8 MB in the beginning and 116.0 MB in the end (delta: 12.8 MB). Peak memory consumption was 102.3 MB. Max. memory is 8.0 GB. [2020-10-24 02:38:39,255 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.02 ms. Allocated memory is still 125.8 MB. Free memory is still 98.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 271.68 ms. Allocated memory is still 154.1 MB. Free memory was 129.9 MB in the beginning and 120.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 41.17 ms. Allocated memory is still 154.1 MB. Free memory was 120.4 MB in the beginning and 119.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 664.00 ms. Allocated memory is still 154.1 MB. Free memory was 118.9 MB in the beginning and 129.5 MB in the end (delta: -10.6 MB). Peak memory consumption was 10.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 13367.40 ms. Allocated memory was 154.1 MB in the beginning and 185.6 MB in the end (delta: 31.5 MB). Free memory was 128.8 MB in the beginning and 116.0 MB in the end (delta: 12.8 MB). Peak memory consumption was 102.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: (((((((i + j <= l && l <= i + j) && 4294967296 * (l / 4294967296) + 2 <= i + j) && n <= 4294967296 * (n / 4294967296) + 20000001) || (((4294967296 * (n / 4294967296) + l + 3 <= i + j + n && i + j <= l) && l <= i + j) && n <= 4294967296 * (n / 4294967296) + 20000001)) || (((i == 0 && j == 0) && l == 0) && n <= 4294967296 * (n / 4294967296) + 20000001)) || ((((((1 <= l && j == 0) && i + j + 4294967296 * (l / 4294967296) <= 4294967296 * ((i + j) / 4294967296) + l) && 4294967296 * (l / 4294967296) + 1 <= i) && i <= 4294967296 * (l / 4294967296) + 4294967295) && l / 2 <= 0) && n <= 4294967296 * (n / 4294967296) + 20000001)) || !(SIZE <= 20000001)) || !(20000001 <= SIZE) - ProcedureContractResult [Line: 3]: Procedure Contract for reach_error Derived contract for procedure reach_error: 1 - ProcedureContractResult [Line: 16]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 8]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert: \old(cond) == 0 || !(cond == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.0s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 8.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 143 SDtfs, 282 SDslu, 426 SDs, 0 SdLazy, 704 SolverSat, 93 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 4.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 108 GetRequests, 15 SyntacticMatches, 4 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 344 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 8 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 91 PreInvPairs, 130 NumberOfFragments, 832 HoareAnnotationTreeSize, 91 FomulaSimplifications, 3386 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 45 FomulaSimplificationsInter, 1980 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 177 NumberOfCodeBlocks, 177 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 172 ConstructedInterpolants, 0 QuantifiedInterpolants, 47988 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 4/25 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...