/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 -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/bitvector/jain_6-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 20:25:43,695 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 20:25:43,699 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 20:25:43,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 20:25:43,755 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 20:25:43,760 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 20:25:43,763 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 20:25:43,771 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 20:25:43,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 20:25:43,781 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 20:25:43,783 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 20:25:43,784 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-23 20:25:43,785 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-23 20:25:43,791 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-23 20:25:43,794 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-23 20:25:43,796 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-23 20:25:43,797 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-23 20:25:43,800 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-23 20:25:43,818 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-23 20:25:43,826 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-23 20:25:43,828 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-23 20:25:43,830 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-23 20:25:43,832 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-23 20:25:43,834 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-23 20:25:43,843 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-23 20:25:43,856 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 20:25:43,857 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 20:25:43,858 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 20:25:43,859 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-23 20:25:43,882 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 20:25:43,882 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 20:25:43,887 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 20:25:43,888 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 20:25:43,888 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 20:25:43,888 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 20:25:43,888 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 20:25:43,889 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 20:25:43,889 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 20:25:43,889 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 20:25:43,890 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 20:25:43,890 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 20:25:43,891 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 20:25:43,891 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 20:25:43,891 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 20:25:43,892 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-23 20:25:43,892 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 20:25:43,892 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 20:25:43,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 20:25:43,892 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 20:25:43,893 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-23 20:25:43,893 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 20:25:43,893 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 20:25:44,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 20:25:44,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 20:25:44,317 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 20:25:44,319 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 20:25:44,319 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 20:25:44,320 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector/jain_6-1.c [2020-10-23 20:25:44,409 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/132babca4/e1c9a8486bf34c8aa5d96fe84fc0a053/FLAG1b49a9c47 [2020-10-23 20:25:45,074 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 20:25:45,075 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector/jain_6-1.c [2020-10-23 20:25:45,082 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/132babca4/e1c9a8486bf34c8aa5d96fe84fc0a053/FLAG1b49a9c47 [2020-10-23 20:25:45,426 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/132babca4/e1c9a8486bf34c8aa5d96fe84fc0a053 [2020-10-23 20:25:45,432 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 20:25:45,439 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 20:25:45,441 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 20:25:45,441 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 20:25:45,447 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 20:25:45,448 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:25:45" (1/1) ... [2020-10-23 20:25:45,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a31b607 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:45, skipping insertion in model container [2020-10-23 20:25:45,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:25:45" (1/1) ... [2020-10-23 20:25:45,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 20:25:45,479 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 20:25:45,647 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 20:25:45,670 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 20:25:45,694 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 20:25:45,715 INFO L208 MainTranslator]: Completed translation [2020-10-23 20:25:45,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:45 WrapperNode [2020-10-23 20:25:45,716 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 20:25:45,718 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 20:25:45,718 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 20:25:45,718 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 20:25:45,733 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:45" (1/1) ... [2020-10-23 20:25:45,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:45" (1/1) ... [2020-10-23 20:25:45,743 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:45" (1/1) ... [2020-10-23 20:25:45,743 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:45" (1/1) ... [2020-10-23 20:25:45,759 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:45" (1/1) ... [2020-10-23 20:25:45,770 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:45" (1/1) ... [2020-10-23 20:25:45,779 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:45" (1/1) ... [2020-10-23 20:25:45,785 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 20:25:45,787 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 20:25:45,788 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 20:25:45,788 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 20:25:45,789 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:45" (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 [2020-10-23 20:25:45,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 20:25:45,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 20:25:45,894 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 20:25:45,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-23 20:25:45,895 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 20:25:45,895 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 20:25:45,895 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 20:25:45,895 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 20:25:45,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 20:25:45,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-23 20:25:45,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-23 20:25:45,896 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 20:25:45,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 20:25:45,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 20:25:45,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 20:25:45,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 20:25:45,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 20:25:45,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 20:25:46,310 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 20:25:46,311 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-23 20:25:46,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:25:46 BoogieIcfgContainer [2020-10-23 20:25:46,316 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 20:25:46,320 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 20:25:46,321 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 20:25:46,325 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 20:25:46,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 08:25:45" (1/3) ... [2020-10-23 20:25:46,326 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33512178 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:25:46, skipping insertion in model container [2020-10-23 20:25:46,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:25:45" (2/3) ... [2020-10-23 20:25:46,327 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33512178 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:25:46, skipping insertion in model container [2020-10-23 20:25:46,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:25:46" (3/3) ... [2020-10-23 20:25:46,330 INFO L111 eAbstractionObserver]: Analyzing ICFG jain_6-1.c [2020-10-23 20:25:46,354 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-23 20:25:46,360 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-23 20:25:46,377 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-23 20:25:46,431 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 20:25:46,432 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 20:25:46,432 INFO L379 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-10-23 20:25:46,432 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 20:25:46,432 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 20:25:46,432 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 20:25:46,433 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 20:25:46,433 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 20:25:46,454 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states. [2020-10-23 20:25:46,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-23 20:25:46,470 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:25:46,471 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] [2020-10-23 20:25:46,472 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 20:25:46,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:25:46,482 INFO L82 PathProgramCache]: Analyzing trace with hash 2071833913, now seen corresponding path program 1 times [2020-10-23 20:25:46,494 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:25:46,495 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2016777208] [2020-10-23 20:25:46,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:25:46,591 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:25:46,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:25:47,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:25:47,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:25:47,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 20:25:47,262 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2016777208] [2020-10-23 20:25:47,264 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:25:47,264 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-23 20:25:47,265 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889448770] [2020-10-23 20:25:47,270 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-23 20:25:47,271 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:25:47,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-23 20:25:47,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-23 20:25:47,289 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 11 states. [2020-10-23 20:25:48,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:25:48,134 INFO L93 Difference]: Finished difference Result 70 states and 83 transitions. [2020-10-23 20:25:48,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-23 20:25:48,136 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 30 [2020-10-23 20:25:48,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:25:48,145 INFO L225 Difference]: With dead ends: 70 [2020-10-23 20:25:48,145 INFO L226 Difference]: Without dead ends: 47 [2020-10-23 20:25:48,149 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=85, Invalid=295, Unknown=0, NotChecked=0, Total=380 [2020-10-23 20:25:48,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-10-23 20:25:48,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 45. [2020-10-23 20:25:48,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-10-23 20:25:48,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 45 transitions. [2020-10-23 20:25:48,205 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 45 transitions. Word has length 30 [2020-10-23 20:25:48,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:25:48,206 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 45 transitions. [2020-10-23 20:25:48,206 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-23 20:25:48,206 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 45 transitions. [2020-10-23 20:25:48,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-23 20:25:48,208 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:25:48,209 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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] [2020-10-23 20:25:48,209 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 20:25:48,209 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 20:25:48,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:25:48,210 INFO L82 PathProgramCache]: Analyzing trace with hash -1617490268, now seen corresponding path program 1 times [2020-10-23 20:25:48,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:25:48,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [369592175] [2020-10-23 20:25:48,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:25:48,631 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-10-23 20:25:48,830 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-10-23 20:25:49,037 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-10-23 20:25:49,215 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-10-23 20:25:49,391 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-10-23 20:25:49,814 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-10-23 20:25:49,828 INFO L120 Accelerator]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2020-10-23 20:25:49,831 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:25:49,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:25:50,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:25:50,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:25:50,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-23 20:25:50,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:25:50,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 20:25:50,177 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [369592175] [2020-10-23 20:25:50,177 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:25:50,178 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-23 20:25:50,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937346435] [2020-10-23 20:25:50,179 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-23 20:25:50,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:25:50,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-23 20:25:50,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2020-10-23 20:25:50,181 INFO L87 Difference]: Start difference. First operand 45 states and 45 transitions. Second operand 12 states. [2020-10-23 20:25:52,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:25:52,856 INFO L93 Difference]: Finished difference Result 45 states and 45 transitions. [2020-10-23 20:25:52,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-23 20:25:52,857 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 42 [2020-10-23 20:25:52,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:25:52,858 INFO L225 Difference]: With dead ends: 45 [2020-10-23 20:25:52,859 INFO L226 Difference]: Without dead ends: 0 [2020-10-23 20:25:52,860 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2020-10-23 20:25:52,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-23 20:25:52,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-23 20:25:52,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-23 20:25:52,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-23 20:25:52,862 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2020-10-23 20:25:52,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:25:52,862 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-23 20:25:52,862 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-23 20:25:52,862 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-23 20:25:52,862 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-23 20:25:52,862 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 20:25:52,865 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-23 20:25:53,545 INFO L277 CegarLoopResult]: At program point reach_errorEXIT(line 3) the Hoare annotation is: true [2020-10-23 20:25:53,545 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-23 20:25:53,545 INFO L277 CegarLoopResult]: At program point reach_errorFINAL(line 3) the Hoare annotation is: true [2020-10-23 20:25:53,545 INFO L277 CegarLoopResult]: At program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) the Hoare annotation is: true [2020-10-23 20:25:53,546 INFO L277 CegarLoopResult]: At program point L3-2(line 3) the Hoare annotation is: true [2020-10-23 20:25:53,546 INFO L277 CegarLoopResult]: At program point L3-3(line 3) the Hoare annotation is: true [2020-10-23 20:25:53,546 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-23 20:25:53,546 INFO L277 CegarLoopResult]: At program point L3-4(line 3) the Hoare annotation is: true [2020-10-23 20:25:53,546 INFO L277 CegarLoopResult]: At program point L-1-1(line -1) the Hoare annotation is: true [2020-10-23 20:25:53,547 INFO L277 CegarLoopResult]: At program point ULTIMATE.initFINAL(line 3) the Hoare annotation is: true [2020-10-23 20:25:53,547 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)|) (= |#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|)) [2020-10-23 20:25:53,547 INFO L277 CegarLoopResult]: At program point L3(line 3) the Hoare annotation is: true [2020-10-23 20:25:53,547 INFO L277 CegarLoopResult]: At program point L3-1(line 3) the Hoare annotation is: true [2020-10-23 20:25:53,547 INFO L277 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-10-23 20:25:53,548 INFO L270 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: false [2020-10-23 20:25:53,548 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-23 20:25:53,548 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-23 20:25:53,548 INFO L270 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: false [2020-10-23 20:25:53,548 INFO L270 CegarLoopResult]: At program point mainEXIT(lines 12 29) the Hoare annotation is: false [2020-10-23 20:25:53,548 INFO L270 CegarLoopResult]: At program point L23(line 23) the Hoare annotation is: (<= (+ (* 4 main_~x~0) (* 2 main_~y~0) main_~z~0) (* 8 (div (+ (* main_~x~0 4) (* main_~y~0 2) main_~z~0) 8))) [2020-10-23 20:25:53,549 INFO L270 CegarLoopResult]: At program point L23-1(line 23) the Hoare annotation is: (<= (+ (* 4 main_~x~0) (* 2 main_~y~0) main_~z~0) (* 8 (div (+ (* main_~x~0 4) (* main_~y~0 2) main_~z~0) 8))) [2020-10-23 20:25:53,549 INFO L270 CegarLoopResult]: At program point L17(line 17) the Hoare annotation is: (= main_~x~0 0) [2020-10-23 20:25:53,549 INFO L270 CegarLoopResult]: At program point mainFINAL(lines 12 29) the Hoare annotation is: false [2020-10-23 20:25:53,549 INFO L277 CegarLoopResult]: At program point mainENTRY(lines 12 29) the Hoare annotation is: true [2020-10-23 20:25:53,549 INFO L270 CegarLoopResult]: At program point L26(line 26) the Hoare annotation is: (<= (+ (* 4 main_~x~0) (* 2 main_~y~0) main_~z~0) (* 8 (div (+ (* main_~x~0 4) (* main_~y~0 2) main_~z~0) 8))) [2020-10-23 20:25:53,549 INFO L270 CegarLoopResult]: At program point L26-1(lines 20 27) the Hoare annotation is: (<= (+ (* 4 main_~x~0) (* 2 main_~y~0) main_~z~0) (* 8 (div (+ (* main_~x~0 4) (* main_~y~0 2) main_~z~0) 8))) [2020-10-23 20:25:53,550 INFO L270 CegarLoopResult]: At program point L24(line 24) the Hoare annotation is: (<= (+ (* 4 main_~x~0) (* 2 main_~y~0) main_~z~0) (* 8 (div (+ (* main_~x~0 4) (* main_~y~0 2) main_~z~0) 8))) [2020-10-23 20:25:53,550 INFO L270 CegarLoopResult]: At program point L24-1(line 24) the Hoare annotation is: (<= (+ (* 4 main_~x~0) (* 2 main_~y~0) main_~z~0) (* 8 (div (+ (* main_~x~0 4) (* main_~y~0 2) main_~z~0) 8))) [2020-10-23 20:25:53,550 INFO L270 CegarLoopResult]: At program point L22(line 22) the Hoare annotation is: (<= (+ (* 4 main_~x~0) (* 2 main_~y~0) main_~z~0) (* 8 (div (+ (* main_~x~0 4) (* main_~y~0 2) main_~z~0) 8))) [2020-10-23 20:25:53,550 INFO L270 CegarLoopResult]: At program point L22-1(line 22) the Hoare annotation is: (<= (+ (* 4 main_~x~0) (* 2 main_~y~0) main_~z~0) (* 8 (div (+ (* main_~x~0 4) (* main_~y~0 2) main_~z~0) 8))) [2020-10-23 20:25:53,550 INFO L270 CegarLoopResult]: At program point L18(line 18) the Hoare annotation is: (and (= main_~y~0 0) (= main_~x~0 0)) [2020-10-23 20:25:53,551 INFO L270 CegarLoopResult]: At program point L20-2(lines 20 27) the Hoare annotation is: false [2020-10-23 20:25:53,551 INFO L277 CegarLoopResult]: At program point L16(line 16) the Hoare annotation is: true [2020-10-23 20:25:53,551 INFO L277 CegarLoopResult]: At program point L14(line 14) the Hoare annotation is: true [2020-10-23 20:25:53,551 INFO L277 CegarLoopResult]: At program point L14-1(line 14) the Hoare annotation is: true [2020-10-23 20:25:53,551 INFO L277 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 6 11) the Hoare annotation is: true [2020-10-23 20:25:53,551 INFO L270 CegarLoopResult]: At program point __VERIFIER_assertEXIT(lines 6 11) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2020-10-23 20:25:53,552 INFO L270 CegarLoopResult]: At program point L8(line 8) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2020-10-23 20:25:53,552 INFO L270 CegarLoopResult]: At program point L7(lines 7 9) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2020-10-23 20:25:53,552 INFO L270 CegarLoopResult]: At program point L8-1(line 8) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2020-10-23 20:25:53,552 INFO L270 CegarLoopResult]: At program point L7-2(lines 6 11) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2020-10-23 20:25:53,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 08:25:53 BoogieIcfgContainer [2020-10-23 20:25:53,573 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 20:25:53,575 INFO L168 Benchmark]: Toolchain (without parser) took 8140.48 ms. Allocated memory was 153.1 MB in the beginning and 184.5 MB in the end (delta: 31.5 MB). Free memory was 130.3 MB in the beginning and 72.0 MB in the end (delta: 58.3 MB). Peak memory consumption was 90.1 MB. Max. memory is 8.0 GB. [2020-10-23 20:25:53,576 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 153.1 MB. Free memory is still 127.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 20:25:53,577 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.53 ms. Allocated memory is still 153.1 MB. Free memory was 129.7 MB in the beginning and 120.5 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-10-23 20:25:53,579 INFO L168 Benchmark]: Boogie Preprocessor took 67.87 ms. Allocated memory is still 153.1 MB. Free memory was 120.5 MB in the beginning and 119.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-10-23 20:25:53,580 INFO L168 Benchmark]: RCFGBuilder took 529.99 ms. Allocated memory is still 153.1 MB. Free memory was 119.1 MB in the beginning and 105.8 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2020-10-23 20:25:53,581 INFO L168 Benchmark]: TraceAbstraction took 7252.56 ms. Allocated memory was 153.1 MB in the beginning and 184.5 MB in the end (delta: 31.5 MB). Free memory was 105.3 MB in the beginning and 72.0 MB in the end (delta: 33.4 MB). Peak memory consumption was 65.0 MB. Max. memory is 8.0 GB. [2020-10-23 20:25:53,585 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 153.1 MB. Free memory is still 127.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 275.53 ms. Allocated memory is still 153.1 MB. Free memory was 129.7 MB in the beginning and 120.5 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 67.87 ms. Allocated memory is still 153.1 MB. Free memory was 120.5 MB in the beginning and 119.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 529.99 ms. Allocated memory is still 153.1 MB. Free memory was 119.1 MB in the beginning and 105.8 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 7252.56 ms. Allocated memory was 153.1 MB in the beginning and 184.5 MB in the end (delta: 31.5 MB). Free memory was 105.3 MB in the beginning and 72.0 MB in the end (delta: 33.4 MB). Peak memory consumption was 65.0 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: 20]: Loop Invariant Derived loop invariant: 4 * x + 2 * y + z <= 8 * ((x * 4 + y * 2 + z) / 8) - ProcedureContractResult [Line: 3]: Procedure Contract for reach_error Derived contract for procedure reach_error: 1 - ProcedureContractResult [Line: 12]: Procedure Contract for main Derived contract for procedure main: 0 - ProcedureContractResult [Line: 6]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert: \old(cond) == 0 || !(cond == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.4s, OverallIterations: 2, TraceHistogramMax: 2, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 51 SDtfs, 73 SDslu, 179 SDs, 0 SdLazy, 233 SolverSat, 29 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=1, 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, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 41 LocationsWithAnnotation, 57 PreInvPairs, 77 NumberOfFragments, 264 HoareAnnotationTreeSize, 57 FomulaSimplifications, 412 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 41 FomulaSimplificationsInter, 844 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, 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...