./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-lit/cggmp2005.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loop-lit/cggmp2005.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6ee0c0bb9185005ad94b7785b09df595a41ce360 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 17:06:32,586 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 17:06:32,589 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 17:06:32,607 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 17:06:32,608 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 17:06:32,610 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 17:06:32,612 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 17:06:32,622 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 17:06:32,627 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 17:06:32,632 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 17:06:32,633 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 17:06:32,635 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 17:06:32,635 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 17:06:32,638 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 17:06:32,639 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 17:06:32,641 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 17:06:32,643 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 17:06:32,645 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 17:06:32,647 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 17:06:32,652 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 17:06:32,657 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 17:06:32,663 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 17:06:32,664 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 17:06:32,666 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 17:06:32,670 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 17:06:32,671 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 17:06:32,671 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 17:06:32,674 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 17:06:32,674 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 17:06:32,675 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 17:06:32,676 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 17:06:32,677 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 17:06:32,677 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 17:06:32,679 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 17:06:32,680 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 17:06:32,680 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 17:06:32,681 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 17:06:32,682 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 17:06:32,682 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 17:06:32,683 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 17:06:32,685 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 17:06:32,686 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 17:06:32,712 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 17:06:32,713 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 17:06:32,714 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 17:06:32,714 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 17:06:32,714 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 17:06:32,715 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 17:06:32,715 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 17:06:32,715 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 17:06:32,715 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 17:06:32,716 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 17:06:32,716 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 17:06:32,716 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 17:06:32,716 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 17:06:32,716 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 17:06:32,717 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 17:06:32,717 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 17:06:32,717 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 17:06:32,717 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 17:06:32,718 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 17:06:32,718 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 17:06:32,718 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 17:06:32,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:06:32,719 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 17:06:32,719 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 17:06:32,719 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 17:06:32,719 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 17:06:32,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 17:06:32,720 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 17:06:32,720 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 17:06:32,720 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ee0c0bb9185005ad94b7785b09df595a41ce360 [2019-11-28 17:06:33,013 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 17:06:33,027 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 17:06:33,031 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 17:06:33,033 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 17:06:33,033 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 17:06:33,034 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-lit/cggmp2005.i [2019-11-28 17:06:33,096 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/608b7e752/7b81358318304dabac58101cc3ff14b6/FLAG200c37627 [2019-11-28 17:06:33,526 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 17:06:33,527 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/cggmp2005.i [2019-11-28 17:06:33,535 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/608b7e752/7b81358318304dabac58101cc3ff14b6/FLAG200c37627 [2019-11-28 17:06:33,941 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/608b7e752/7b81358318304dabac58101cc3ff14b6 [2019-11-28 17:06:33,945 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 17:06:33,947 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 17:06:33,948 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 17:06:33,948 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 17:06:33,952 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 17:06:33,955 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:06:33" (1/1) ... [2019-11-28 17:06:33,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43345d97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:06:33, skipping insertion in model container [2019-11-28 17:06:33,959 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:06:33" (1/1) ... [2019-11-28 17:06:33,966 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 17:06:33,981 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 17:06:34,154 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:06:34,158 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 17:06:34,171 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:06:34,183 INFO L208 MainTranslator]: Completed translation [2019-11-28 17:06:34,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:06:34 WrapperNode [2019-11-28 17:06:34,183 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 17:06:34,184 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 17:06:34,184 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 17:06:34,184 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 17:06:34,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:06:34" (1/1) ... [2019-11-28 17:06:34,198 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:06:34" (1/1) ... [2019-11-28 17:06:34,269 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 17:06:34,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 17:06:34,270 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 17:06:34,270 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 17:06:34,280 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:06:34" (1/1) ... [2019-11-28 17:06:34,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:06:34" (1/1) ... [2019-11-28 17:06:34,280 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:06:34" (1/1) ... [2019-11-28 17:06:34,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:06:34" (1/1) ... [2019-11-28 17:06:34,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:06:34" (1/1) ... [2019-11-28 17:06:34,286 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:06:34" (1/1) ... [2019-11-28 17:06:34,287 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:06:34" (1/1) ... [2019-11-28 17:06:34,288 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 17:06:34,289 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 17:06:34,289 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 17:06:34,289 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 17:06:34,290 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:06:34" (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 [2019-11-28 17:06:34,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 17:06:34,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 17:06:34,501 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 17:06:34,501 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-28 17:06:34,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:06:34 BoogieIcfgContainer [2019-11-28 17:06:34,503 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 17:06:34,504 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 17:06:34,504 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 17:06:34,506 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 17:06:34,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:06:33" (1/3) ... [2019-11-28 17:06:34,507 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14fd5a56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:06:34, skipping insertion in model container [2019-11-28 17:06:34,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:06:34" (2/3) ... [2019-11-28 17:06:34,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14fd5a56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:06:34, skipping insertion in model container [2019-11-28 17:06:34,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:06:34" (3/3) ... [2019-11-28 17:06:34,510 INFO L109 eAbstractionObserver]: Analyzing ICFG cggmp2005.i [2019-11-28 17:06:34,517 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 17:06:34,522 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 17:06:34,533 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 17:06:34,559 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 17:06:34,559 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 17:06:34,559 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 17:06:34,560 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 17:06:34,560 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 17:06:34,560 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 17:06:34,560 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 17:06:34,560 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 17:06:34,575 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2019-11-28 17:06:34,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-28 17:06:34,579 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:06:34,580 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-28 17:06:34,581 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:06:34,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:06:34,586 INFO L82 PathProgramCache]: Analyzing trace with hash 29805000, now seen corresponding path program 1 times [2019-11-28 17:06:34,593 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:06:34,593 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435491465] [2019-11-28 17:06:34,594 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:06:34,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:06:34,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:06:34,714 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435491465] [2019-11-28 17:06:34,715 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:06:34,716 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:06:34,718 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228247542] [2019-11-28 17:06:34,723 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:06:34,723 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:06:34,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:06:34,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:06:34,742 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 3 states. [2019-11-28 17:06:34,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:06:34,801 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2019-11-28 17:06:34,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:06:34,804 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-11-28 17:06:34,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:06:34,826 INFO L225 Difference]: With dead ends: 19 [2019-11-28 17:06:34,826 INFO L226 Difference]: Without dead ends: 7 [2019-11-28 17:06:34,830 INFO L630 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 [2019-11-28 17:06:34,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2019-11-28 17:06:34,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2019-11-28 17:06:34,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-11-28 17:06:34,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2019-11-28 17:06:34,874 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 5 [2019-11-28 17:06:34,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:06:34,875 INFO L462 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2019-11-28 17:06:34,875 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:06:34,876 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2019-11-28 17:06:34,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-28 17:06:34,877 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:06:34,877 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-28 17:06:34,877 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:06:34,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:06:34,878 INFO L82 PathProgramCache]: Analyzing trace with hash 925620370, now seen corresponding path program 1 times [2019-11-28 17:06:34,879 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:06:34,879 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755634] [2019-11-28 17:06:34,879 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:06:34,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:06:34,928 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:06:34,928 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755634] [2019-11-28 17:06:34,929 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [195823681] [2019-11-28 17:06:34,929 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:06:35,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:06:35,027 INFO L264 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 17:06:35,041 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 17:06:35,099 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:06:35,100 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 17:06:35,100 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2019-11-28 17:06:35,102 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5947915] [2019-11-28 17:06:35,103 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 17:06:35,104 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:06:35,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 17:06:35,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:06:35,105 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 6 states. [2019-11-28 17:06:35,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:06:35,125 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2019-11-28 17:06:35,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 17:06:35,126 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 6 [2019-11-28 17:06:35,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:06:35,126 INFO L225 Difference]: With dead ends: 12 [2019-11-28 17:06:35,126 INFO L226 Difference]: Without dead ends: 8 [2019-11-28 17:06:35,128 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:06:35,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2019-11-28 17:06:35,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2019-11-28 17:06:35,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-11-28 17:06:35,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2019-11-28 17:06:35,132 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 6 [2019-11-28 17:06:35,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:06:35,132 INFO L462 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2019-11-28 17:06:35,133 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 17:06:35,133 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2019-11-28 17:06:35,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-28 17:06:35,134 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:06:35,134 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2019-11-28 17:06:35,337 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:06:35,338 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:06:35,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:06:35,340 INFO L82 PathProgramCache]: Analyzing trace with hash -1368874232, now seen corresponding path program 2 times [2019-11-28 17:06:35,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:06:35,341 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535609943] [2019-11-28 17:06:35,342 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:06:35,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:06:35,417 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:06:35,418 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535609943] [2019-11-28 17:06:35,418 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [764159234] [2019-11-28 17:06:35,418 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:06:35,452 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-28 17:06:35,453 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-28 17:06:35,454 INFO L264 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 17:06:35,455 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 17:06:35,518 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:06:35,518 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 17:06:35,518 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2019-11-28 17:06:35,520 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826000530] [2019-11-28 17:06:35,521 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 17:06:35,521 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:06:35,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 17:06:35,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2019-11-28 17:06:35,522 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand 8 states. [2019-11-28 17:06:35,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:06:35,569 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2019-11-28 17:06:35,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 17:06:35,570 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 7 [2019-11-28 17:06:35,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:06:35,571 INFO L225 Difference]: With dead ends: 13 [2019-11-28 17:06:35,571 INFO L226 Difference]: Without dead ends: 9 [2019-11-28 17:06:35,572 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2019-11-28 17:06:35,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2019-11-28 17:06:35,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2019-11-28 17:06:35,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-11-28 17:06:35,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2019-11-28 17:06:35,576 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2019-11-28 17:06:35,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:06:35,576 INFO L462 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2019-11-28 17:06:35,576 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 17:06:35,576 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2019-11-28 17:06:35,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-28 17:06:35,577 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:06:35,578 INFO L410 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1] [2019-11-28 17:06:35,778 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:06:35,779 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:06:35,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:06:35,780 INFO L82 PathProgramCache]: Analyzing trace with hash 516237138, now seen corresponding path program 3 times [2019-11-28 17:06:35,780 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:06:35,781 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573065864] [2019-11-28 17:06:35,782 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:06:35,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:06:35,866 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:06:35,866 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573065864] [2019-11-28 17:06:35,867 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1860120588] [2019-11-28 17:06:35,867 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:06:35,910 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2019-11-28 17:06:35,911 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-28 17:06:35,912 INFO L264 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-28 17:06:35,913 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 17:06:36,004 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:06:36,004 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 17:06:36,005 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2019-11-28 17:06:36,005 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290983833] [2019-11-28 17:06:36,006 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-28 17:06:36,006 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:06:36,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-28 17:06:36,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2019-11-28 17:06:36,008 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 10 states. [2019-11-28 17:06:36,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:06:36,050 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2019-11-28 17:06:36,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 17:06:36,051 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 8 [2019-11-28 17:06:36,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:06:36,052 INFO L225 Difference]: With dead ends: 14 [2019-11-28 17:06:36,052 INFO L226 Difference]: Without dead ends: 10 [2019-11-28 17:06:36,053 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2019-11-28 17:06:36,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-11-28 17:06:36,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-11-28 17:06:36,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-11-28 17:06:36,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2019-11-28 17:06:36,061 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 8 [2019-11-28 17:06:36,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:06:36,063 INFO L462 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2019-11-28 17:06:36,064 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-28 17:06:36,064 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2019-11-28 17:06:36,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-28 17:06:36,065 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:06:36,066 INFO L410 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1] [2019-11-28 17:06:36,274 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:06:36,274 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:06:36,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:06:36,275 INFO L82 PathProgramCache]: Analyzing trace with hash -1174852536, now seen corresponding path program 4 times [2019-11-28 17:06:36,275 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:06:36,275 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559105436] [2019-11-28 17:06:36,276 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:06:36,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:06:36,414 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:06:36,417 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559105436] [2019-11-28 17:06:36,417 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1485554400] [2019-11-28 17:06:36,418 INFO L92 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2019-11-28 17:06:36,449 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-11-28 17:06:36,449 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-28 17:06:36,450 INFO L264 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 16 conjunts are in the unsatisfiable core [2019-11-28 17:06:36,451 INFO L287 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:06:36,480 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 17:06:36,501 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:06:36,502 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 17:06:36,502 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2019-11-28 17:06:36,502 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159722694] [2019-11-28 17:06:36,503 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-28 17:06:36,503 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:06:36,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-28 17:06:36,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2019-11-28 17:06:36,504 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand 9 states. [2019-11-28 17:06:36,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:06:36,572 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2019-11-28 17:06:36,572 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 17:06:36,573 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 9 [2019-11-28 17:06:36,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:06:36,573 INFO L225 Difference]: With dead ends: 15 [2019-11-28 17:06:36,573 INFO L226 Difference]: Without dead ends: 11 [2019-11-28 17:06:36,574 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-11-28 17:06:36,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2019-11-28 17:06:36,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-11-28 17:06:36,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-28 17:06:36,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2019-11-28 17:06:36,585 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 9 [2019-11-28 17:06:36,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:06:36,585 INFO L462 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2019-11-28 17:06:36,586 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-28 17:06:36,586 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2019-11-28 17:06:36,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-28 17:06:36,586 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:06:36,586 INFO L410 BasicCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1] [2019-11-28 17:06:36,793 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:06:36,794 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:06:36,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:06:36,794 INFO L82 PathProgramCache]: Analyzing trace with hash -2059024878, now seen corresponding path program 5 times [2019-11-28 17:06:36,795 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:06:36,795 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065011919] [2019-11-28 17:06:36,795 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:06:36,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:06:36,872 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:06:36,872 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065011919] [2019-11-28 17:06:36,874 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:06:36,874 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 17:06:36,874 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417769034] [2019-11-28 17:06:36,875 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-28 17:06:36,875 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:06:36,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 17:06:36,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2019-11-28 17:06:36,876 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand 7 states. [2019-11-28 17:06:36,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:06:36,892 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2019-11-28 17:06:36,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 17:06:36,894 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 10 [2019-11-28 17:06:36,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:06:36,895 INFO L225 Difference]: With dead ends: 11 [2019-11-28 17:06:36,895 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 17:06:36,895 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2019-11-28 17:06:36,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 17:06:36,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 17:06:36,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 17:06:36,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 17:06:36,896 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2019-11-28 17:06:36,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:06:36,898 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 17:06:36,898 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-28 17:06:36,898 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 17:06:36,898 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 17:06:36,901 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 17:06:37,054 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 35 [2019-11-28 17:06:37,065 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 17:06:37,065 INFO L249 CegarLoopResult]: At program point L19(lines 10 20) the Hoare annotation is: true [2019-11-28 17:06:37,065 INFO L246 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2019-11-28 17:06:37,065 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 17:06:37,065 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 17:06:37,066 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2019-11-28 17:06:37,066 INFO L242 CegarLoopResult]: At program point L14-2(lines 14 17) the Hoare annotation is: (or (and (<= 9 ULTIMATE.start_main_~j~0) (<= ULTIMATE.start_main_~j~0 (+ ULTIMATE.start_main_~i~0 6)) (<= ULTIMATE.start_main_~i~0 3)) (and (< 5 ULTIMATE.start_main_~j~0) (<= (+ ULTIMATE.start_main_~j~0 3) ULTIMATE.start_main_~i~0) (<= ULTIMATE.start_main_~j~0 6)) (and (<= ULTIMATE.start_main_~i~0 1) (<= 10 ULTIMATE.start_main_~j~0) (<= ULTIMATE.start_main_~j~0 (+ ULTIMATE.start_main_~i~0 9))) (and (<= ULTIMATE.start_main_~j~0 (+ ULTIMATE.start_main_~i~0 3)) (<= ULTIMATE.start_main_~i~0 5) (<= 8 ULTIMATE.start_main_~j~0)) (and (<= 7 ULTIMATE.start_main_~j~0) (<= ULTIMATE.start_main_~j~0 ULTIMATE.start_main_~i~0) (<= ULTIMATE.start_main_~i~0 7))) [2019-11-28 17:06:37,066 INFO L246 CegarLoopResult]: For program point L14-3(lines 14 17) no Hoare annotation was computed. [2019-11-28 17:06:37,066 INFO L246 CegarLoopResult]: For program point L4(lines 4 6) no Hoare annotation was computed. [2019-11-28 17:06:37,066 INFO L249 CegarLoopResult]: At program point L4-2(lines 3 8) the Hoare annotation is: true [2019-11-28 17:06:37,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:06:37 BoogieIcfgContainer [2019-11-28 17:06:37,098 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 17:06:37,099 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 17:06:37,099 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 17:06:37,099 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 17:06:37,099 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:06:34" (3/4) ... [2019-11-28 17:06:37,103 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 17:06:37,112 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-28 17:06:37,112 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 17:06:37,150 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 17:06:37,150 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 17:06:37,152 INFO L168 Benchmark]: Toolchain (without parser) took 3205.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 956.3 MB in the beginning and 989.4 MB in the end (delta: -33.1 MB). Peak memory consumption was 109.5 MB. Max. memory is 11.5 GB. [2019-11-28 17:06:37,153 INFO L168 Benchmark]: CDTParser took 0.79 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:06:37,154 INFO L168 Benchmark]: CACSL2BoogieTranslator took 235.84 ms. Allocated memory is still 1.0 GB. Free memory was 956.3 MB in the beginning and 945.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-28 17:06:37,154 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -193.7 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2019-11-28 17:06:37,155 INFO L168 Benchmark]: Boogie Preprocessor took 18.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:06:37,156 INFO L168 Benchmark]: RCFGBuilder took 214.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2019-11-28 17:06:37,157 INFO L168 Benchmark]: TraceAbstraction took 2594.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 989.4 MB in the end (delta: 132.3 MB). Peak memory consumption was 132.3 MB. Max. memory is 11.5 GB. [2019-11-28 17:06:37,157 INFO L168 Benchmark]: Witness Printer took 51.70 ms. Allocated memory is still 1.2 GB. Free memory is still 989.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:06:37,161 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.79 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 235.84 ms. Allocated memory is still 1.0 GB. Free memory was 956.3 MB in the beginning and 945.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 85.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -193.7 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 214.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2594.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 989.4 MB in the end (delta: 132.3 MB). Peak memory consumption was 132.3 MB. Max. memory is 11.5 GB. * Witness Printer took 51.70 ms. Allocated memory is still 1.2 GB. Free memory is still 989.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: (((((9 <= j && j <= i + 6) && i <= 3) || ((5 < j && j + 3 <= i) && j <= 6)) || ((i <= 1 && 10 <= j) && j <= i + 9)) || ((j <= i + 3 && i <= 5) && 8 <= j)) || ((7 <= j && j <= i) && i <= 7) - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Result: SAFE, OverallTime: 2.3s, OverallIterations: 6, TraceHistogramMax: 5, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 28 SDtfs, 1 SDslu, 44 SDs, 0 SdLazy, 104 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 20 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=5, 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, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 10 NumberOfFragments, 61 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 17 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 65 ConstructedInterpolants, 0 QuantifiedInterpolants, 1785 SizeOfPredicates, 9 NumberOfNonLiveVariables, 106 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 15/55 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...