/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 19:04:32,342 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 19:04:32,345 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 19:04:32,401 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 19:04:32,401 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 19:04:32,405 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 19:04:32,409 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 19:04:32,417 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 19:04:32,421 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 19:04:32,427 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 19:04:32,429 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 19:04:32,430 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 19:04:32,431 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 19:04:32,434 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 19:04:32,436 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 19:04:32,440 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 19:04:32,451 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 19:04:32,456 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 19:04:32,466 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 19:04:32,474 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 19:04:32,479 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 19:04:32,481 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 19:04:32,482 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 19:04:32,484 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 19:04:32,492 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 19:04:32,499 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 19:04:32,501 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 19:04:32,503 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 19:04:32,504 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 19:04:32,505 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 19:04:32,506 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 19:04:32,506 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 19:04:32,507 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 19:04:32,507 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 19:04:32,508 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 19:04:32,509 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 19:04:32,510 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2020-12-22 19:04:32,575 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 19:04:32,575 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 19:04:32,580 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 19:04:32,580 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 19:04:32,581 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 19:04:32,581 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 19:04:32,581 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-22 19:04:32,581 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 19:04:32,581 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 19:04:32,582 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-22 19:04:32,583 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-22 19:04:32,583 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-22 19:04:32,583 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 19:04:32,584 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-22 19:04:32,584 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 19:04:32,584 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 19:04:32,584 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 19:04:32,584 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 19:04:32,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 19:04:32,585 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 19:04:32,585 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 19:04:32,585 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 19:04:32,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 19:04:32,586 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 19:04:32,586 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 19:04:33,034 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 19:04:33,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 19:04:33,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 19:04:33,066 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 19:04:33,067 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 19:04:33,068 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices.c [2020-12-22 19:04:33,151 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97ba9187b/3ae4870d33794a45b799a59ba4ef41c4/FLAGec3b6d55b [2020-12-22 19:04:33,880 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 19:04:33,881 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices.c [2020-12-22 19:04:33,889 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97ba9187b/3ae4870d33794a45b799a59ba4ef41c4/FLAGec3b6d55b [2020-12-22 19:04:34,289 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97ba9187b/3ae4870d33794a45b799a59ba4ef41c4 [2020-12-22 19:04:34,293 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 19:04:34,296 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 19:04:34,301 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 19:04:34,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 19:04:34,306 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 19:04:34,308 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 07:04:34" (1/1) ... [2020-12-22 19:04:34,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aabaaa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:04:34, skipping insertion in model container [2020-12-22 19:04:34,311 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 07:04:34" (1/1) ... [2020-12-22 19:04:34,324 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 19:04:34,340 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 19:04:34,569 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 19:04:34,574 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 19:04:34,597 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 19:04:34,619 INFO L208 MainTranslator]: Completed translation [2020-12-22 19:04:34,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:04:34 WrapperNode [2020-12-22 19:04:34,619 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 19:04:34,622 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 19:04:34,622 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 19:04:34,622 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 19:04:34,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:04:34" (1/1) ... [2020-12-22 19:04:34,640 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:04:34" (1/1) ... [2020-12-22 19:04:34,662 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 19:04:34,665 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 19:04:34,666 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 19:04:34,666 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 19:04:34,677 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:04:34" (1/1) ... [2020-12-22 19:04:34,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:04:34" (1/1) ... [2020-12-22 19:04:34,689 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:04:34" (1/1) ... [2020-12-22 19:04:34,690 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:04:34" (1/1) ... [2020-12-22 19:04:34,704 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:04:34" (1/1) ... [2020-12-22 19:04:34,711 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:04:34" (1/1) ... [2020-12-22 19:04:34,712 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:04:34" (1/1) ... [2020-12-22 19:04:34,720 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 19:04:34,722 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 19:04:34,722 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 19:04:34,722 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 19:04:34,726 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:04:34" (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 [2020-12-22 19:04:34,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 19:04:34,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 19:04:34,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 19:04:34,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-22 19:04:34,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 19:04:34,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 19:04:35,068 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 19:04:35,068 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2020-12-22 19:04:35,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 07:04:35 BoogieIcfgContainer [2020-12-22 19:04:35,070 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 19:04:35,072 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 19:04:35,073 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 19:04:35,076 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 19:04:35,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 07:04:34" (1/3) ... [2020-12-22 19:04:35,077 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bd6d76f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 07:04:35, skipping insertion in model container [2020-12-22 19:04:35,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:04:34" (2/3) ... [2020-12-22 19:04:35,078 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bd6d76f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 07:04:35, skipping insertion in model container [2020-12-22 19:04:35,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 07:04:35" (3/3) ... [2020-12-22 19:04:35,080 INFO L111 eAbstractionObserver]: Analyzing ICFG Arrays02-EquivalentConstantIndices.c [2020-12-22 19:04:35,087 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 19:04:35,092 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations. [2020-12-22 19:04:35,129 INFO L253 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2020-12-22 19:04:35,182 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 19:04:35,182 INFO L378 AbstractCegarLoop]: Hoare is false [2020-12-22 19:04:35,183 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 19:04:35,183 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 19:04:35,183 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 19:04:35,186 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 19:04:35,186 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 19:04:35,187 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 19:04:35,211 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2020-12-22 19:04:35,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-22 19:04:35,224 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:04:35,225 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-12-22 19:04:35,226 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2020-12-22 19:04:35,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:04:35,250 INFO L82 PathProgramCache]: Analyzing trace with hash 29857, now seen corresponding path program 1 times [2020-12-22 19:04:35,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:04:35,277 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172118237] [2020-12-22 19:04:35,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:04:35,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:04:35,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:04:35,496 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172118237] [2020-12-22 19:04:35,498 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:04:35,498 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 19:04:35,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588614655] [2020-12-22 19:04:35,504 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 19:04:35,504 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:04:35,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 19:04:35,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 19:04:35,525 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 3 states. [2020-12-22 19:04:35,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:04:35,584 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2020-12-22 19:04:35,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 19:04:35,586 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-12-22 19:04:35,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:04:35,598 INFO L225 Difference]: With dead ends: 21 [2020-12-22 19:04:35,598 INFO L226 Difference]: Without dead ends: 19 [2020-12-22 19:04:35,603 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 19:04:35,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-12-22 19:04:35,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2020-12-22 19:04:35,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-12-22 19:04:35,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2020-12-22 19:04:35,643 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 3 [2020-12-22 19:04:35,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:04:35,644 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2020-12-22 19:04:35,644 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 19:04:35,644 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2020-12-22 19:04:35,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-22 19:04:35,645 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:04:35,645 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-12-22 19:04:35,645 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 19:04:35,647 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2020-12-22 19:04:35,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:04:35,654 INFO L82 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2020-12-22 19:04:35,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:04:35,656 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236298723] [2020-12-22 19:04:35,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:04:35,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:04:35,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:04:35,750 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236298723] [2020-12-22 19:04:35,751 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:04:35,751 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 19:04:35,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379243740] [2020-12-22 19:04:35,752 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 19:04:35,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:04:35,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 19:04:35,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 19:04:35,756 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 3 states. [2020-12-22 19:04:35,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:04:35,794 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2020-12-22 19:04:35,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 19:04:35,794 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-12-22 19:04:35,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:04:35,795 INFO L225 Difference]: With dead ends: 14 [2020-12-22 19:04:35,795 INFO L226 Difference]: Without dead ends: 14 [2020-12-22 19:04:35,796 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 19:04:35,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2020-12-22 19:04:35,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2020-12-22 19:04:35,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-12-22 19:04:35,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2020-12-22 19:04:35,805 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 3 [2020-12-22 19:04:35,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:04:35,805 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2020-12-22 19:04:35,805 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 19:04:35,805 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2020-12-22 19:04:35,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-22 19:04:35,806 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:04:35,807 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:04:35,807 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 19:04:35,807 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2020-12-22 19:04:35,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:04:35,811 INFO L82 PathProgramCache]: Analyzing trace with hash 59325613, now seen corresponding path program 1 times [2020-12-22 19:04:35,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:04:35,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880800093] [2020-12-22 19:04:35,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:04:35,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:04:35,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:04:35,900 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880800093] [2020-12-22 19:04:35,900 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:04:35,901 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 19:04:35,901 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328101362] [2020-12-22 19:04:35,901 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 19:04:35,902 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:04:35,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 19:04:35,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 19:04:35,903 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand 4 states. [2020-12-22 19:04:35,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:04:35,926 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2020-12-22 19:04:35,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 19:04:35,927 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-12-22 19:04:35,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:04:35,927 INFO L225 Difference]: With dead ends: 13 [2020-12-22 19:04:35,927 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 19:04:35,928 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 19:04:35,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 19:04:35,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 19:04:35,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 19:04:35,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 19:04:35,929 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2020-12-22 19:04:35,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:04:35,930 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 19:04:35,930 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 19:04:35,930 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 19:04:35,930 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 19:04:35,930 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 19:04:35,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 07:04:35 BoogieIcfgContainer [2020-12-22 19:04:35,936 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 19:04:35,942 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 19:04:35,942 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 19:04:35,943 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 19:04:35,943 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 07:04:35" (3/4) ... [2020-12-22 19:04:35,947 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 19:04:35,958 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-22 19:04:35,959 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-12-22 19:04:35,959 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 19:04:36,003 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/termination-crafted/Arrays02-EquivalentConstantIndices.c-witness.graphml [2020-12-22 19:04:36,003 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 19:04:36,005 INFO L168 Benchmark]: Toolchain (without parser) took 1708.66 ms. Allocated memory is still 159.4 MB. Free memory was 134.7 MB in the beginning and 110.3 MB in the end (delta: 24.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2020-12-22 19:04:36,006 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 159.4 MB. Free memory was 131.9 MB in the beginning and 131.8 MB in the end (delta: 84.4 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 19:04:36,007 INFO L168 Benchmark]: CACSL2BoogieTranslator took 318.71 ms. Allocated memory is still 159.4 MB. Free memory was 134.4 MB in the beginning and 125.7 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2020-12-22 19:04:36,008 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.98 ms. Allocated memory is still 159.4 MB. Free memory was 125.7 MB in the beginning and 124.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 19:04:36,008 INFO L168 Benchmark]: Boogie Preprocessor took 54.98 ms. Allocated memory is still 159.4 MB. Free memory was 124.3 MB in the beginning and 123.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-22 19:04:36,009 INFO L168 Benchmark]: RCFGBuilder took 348.73 ms. Allocated memory is still 159.4 MB. Free memory was 123.3 MB in the beginning and 110.4 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2020-12-22 19:04:36,010 INFO L168 Benchmark]: TraceAbstraction took 864.13 ms. Allocated memory is still 159.4 MB. Free memory was 110.0 MB in the beginning and 112.9 MB in the end (delta: -3.0 MB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 19:04:36,010 INFO L168 Benchmark]: Witness Printer took 61.04 ms. Allocated memory is still 159.4 MB. Free memory was 112.9 MB in the beginning and 110.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 19:04:36,014 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 159.4 MB. Free memory was 131.9 MB in the beginning and 131.8 MB in the end (delta: 84.4 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 318.71 ms. Allocated memory is still 159.4 MB. Free memory was 134.4 MB in the beginning and 125.7 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 40.98 ms. Allocated memory is still 159.4 MB. Free memory was 125.7 MB in the beginning and 124.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 54.98 ms. Allocated memory is still 159.4 MB. Free memory was 124.3 MB in the beginning and 123.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 348.73 ms. Allocated memory is still 159.4 MB. Free memory was 123.3 MB in the beginning and 110.4 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 864.13 ms. Allocated memory is still 159.4 MB. Free memory was 110.0 MB in the beginning and 112.9 MB in the end (delta: -3.0 MB). There was no memory consumed. Max. memory is 8.0 GB. * Witness Printer took 61.04 ms. Allocated memory is still 159.4 MB. Free memory was 112.9 MB in the beginning and 110.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 14]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 11]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 14]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 8]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 11]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 14]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 14]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 15]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 13]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 15]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 13]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 11 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 26 locations, 11 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 25 SDtfs, 31 SDslu, 8 SDs, 0 SdLazy, 37 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 270 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 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...