./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem10_label19.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 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/eca-rers2012/Problem10_label19.c -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 6ffc1a2e440f19ab5345a0f41cc091ac897781e0 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 20:59:20,498 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 20:59:20,500 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 20:59:20,519 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 20:59:20,520 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 20:59:20,522 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 20:59:20,524 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 20:59:20,537 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 20:59:20,541 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 20:59:20,543 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 20:59:20,545 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 20:59:20,547 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 20:59:20,547 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 20:59:20,551 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 20:59:20,552 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 20:59:20,554 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 20:59:20,555 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 20:59:20,557 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 20:59:20,560 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 20:59:20,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 20:59:20,568 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 20:59:20,571 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 20:59:20,573 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 20:59:20,576 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 20:59:20,579 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 20:59:20,580 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 20:59:20,580 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 20:59:20,581 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 20:59:20,582 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 20:59:20,583 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 20:59:20,583 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 20:59:20,585 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 20:59:20,585 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 20:59:20,586 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 20:59:20,588 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 20:59:20,588 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 20:59:20,589 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 20:59:20,590 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 20:59:20,590 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 20:59:20,591 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 20:59:20,592 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 20:59:20,593 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 20:59:20,617 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 20:59:20,617 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 20:59:20,621 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 20:59:20,622 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 20:59:20,622 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 20:59:20,622 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 20:59:20,623 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 20:59:20,623 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 20:59:20,623 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 20:59:20,624 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 20:59:20,625 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 20:59:20,625 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 20:59:20,625 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 20:59:20,626 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 20:59:20,626 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 20:59:20,626 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 20:59:20,627 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 20:59:20,627 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 20:59:20,627 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 20:59:20,628 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 20:59:20,628 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 20:59:20,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 20:59:20,628 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 20:59:20,629 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 20:59:20,629 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 20:59:20,629 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 20:59:20,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 20:59:20,630 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 20:59:20,630 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 -> 6ffc1a2e440f19ab5345a0f41cc091ac897781e0 [2019-11-19 20:59:20,939 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 20:59:20,960 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 20:59:20,964 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 20:59:20,965 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 20:59:20,966 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 20:59:20,967 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label19.c [2019-11-19 20:59:21,041 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac12d796f/c5cb8baff6e64c3c8d94f93b9d0f1a61/FLAG865298140 [2019-11-19 20:59:21,609 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 20:59:21,612 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label19.c [2019-11-19 20:59:21,630 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac12d796f/c5cb8baff6e64c3c8d94f93b9d0f1a61/FLAG865298140 [2019-11-19 20:59:21,868 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac12d796f/c5cb8baff6e64c3c8d94f93b9d0f1a61 [2019-11-19 20:59:21,871 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 20:59:21,872 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 20:59:21,873 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 20:59:21,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 20:59:21,876 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 20:59:21,877 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:59:21" (1/1) ... [2019-11-19 20:59:21,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e972d75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:21, skipping insertion in model container [2019-11-19 20:59:21,880 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:59:21" (1/1) ... [2019-11-19 20:59:21,887 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 20:59:21,946 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 20:59:22,470 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 20:59:22,475 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 20:59:22,611 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 20:59:22,626 INFO L192 MainTranslator]: Completed translation [2019-11-19 20:59:22,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:22 WrapperNode [2019-11-19 20:59:22,627 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 20:59:22,628 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 20:59:22,628 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 20:59:22,628 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 20:59:22,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:22" (1/1) ... [2019-11-19 20:59:22,658 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:22" (1/1) ... [2019-11-19 20:59:22,724 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 20:59:22,725 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 20:59:22,725 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 20:59:22,725 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 20:59:22,735 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:22" (1/1) ... [2019-11-19 20:59:22,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:22" (1/1) ... [2019-11-19 20:59:22,741 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:22" (1/1) ... [2019-11-19 20:59:22,742 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:22" (1/1) ... [2019-11-19 20:59:22,766 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:22" (1/1) ... [2019-11-19 20:59:22,777 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:22" (1/1) ... [2019-11-19 20:59:22,783 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:22" (1/1) ... [2019-11-19 20:59:22,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 20:59:22,795 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 20:59:22,795 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 20:59:22,795 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 20:59:22,796 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:22" (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 [2019-11-19 20:59:22,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 20:59:22,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 20:59:24,165 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 20:59:24,166 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-19 20:59:24,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:59:24 BoogieIcfgContainer [2019-11-19 20:59:24,167 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 20:59:24,169 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 20:59:24,169 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 20:59:24,172 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 20:59:24,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:59:21" (1/3) ... [2019-11-19 20:59:24,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d1d22a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:59:24, skipping insertion in model container [2019-11-19 20:59:24,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:59:22" (2/3) ... [2019-11-19 20:59:24,174 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d1d22a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:59:24, skipping insertion in model container [2019-11-19 20:59:24,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:59:24" (3/3) ... [2019-11-19 20:59:24,176 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label19.c [2019-11-19 20:59:24,186 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 20:59:24,193 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-19 20:59:24,205 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-19 20:59:24,237 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 20:59:24,238 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 20:59:24,238 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 20:59:24,238 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 20:59:24,239 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 20:59:24,239 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 20:59:24,239 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 20:59:24,239 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 20:59:24,263 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2019-11-19 20:59:24,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-19 20:59:24,269 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 20:59:24,270 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:59:24,271 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 20:59:24,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:59:24,277 INFO L82 PathProgramCache]: Analyzing trace with hash -748286455, now seen corresponding path program 1 times [2019-11-19 20:59:24,286 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:59:24,286 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752215356] [2019-11-19 20:59:24,287 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:59:24,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:59:24,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 20:59:24,530 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752215356] [2019-11-19 20:59:24,531 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 20:59:24,532 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 20:59:24,534 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14983737] [2019-11-19 20:59:24,540 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 20:59:24,541 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 20:59:24,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 20:59:24,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 20:59:24,558 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 4 states. [2019-11-19 20:59:26,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 20:59:26,097 INFO L93 Difference]: Finished difference Result 709 states and 1261 transitions. [2019-11-19 20:59:26,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 20:59:26,099 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2019-11-19 20:59:26,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 20:59:26,123 INFO L225 Difference]: With dead ends: 709 [2019-11-19 20:59:26,123 INFO L226 Difference]: Without dead ends: 421 [2019-11-19 20:59:26,128 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 20:59:26,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2019-11-19 20:59:26,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 282. [2019-11-19 20:59:26,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2019-11-19 20:59:26,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 432 transitions. [2019-11-19 20:59:26,187 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 432 transitions. Word has length 29 [2019-11-19 20:59:26,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 20:59:26,188 INFO L462 AbstractCegarLoop]: Abstraction has 282 states and 432 transitions. [2019-11-19 20:59:26,188 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 20:59:26,189 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 432 transitions. [2019-11-19 20:59:26,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-11-19 20:59:26,192 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 20:59:26,193 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:59:26,193 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 20:59:26,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:59:26,193 INFO L82 PathProgramCache]: Analyzing trace with hash 114583996, now seen corresponding path program 1 times [2019-11-19 20:59:26,194 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:59:26,194 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531122915] [2019-11-19 20:59:26,194 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:59:26,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:59:26,589 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-19 20:59:26,589 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531122915] [2019-11-19 20:59:26,590 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1618835710] [2019-11-19 20:59:26,590 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 [2019-11-19 20:59:26,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:59:26,655 INFO L255 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 20:59:26,662 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 20:59:26,705 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 20:59:26,706 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-19 20:59:26,706 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-11-19 20:59:26,707 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050207366] [2019-11-19 20:59:26,708 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 20:59:26,708 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 20:59:26,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 20:59:26,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-11-19 20:59:26,709 INFO L87 Difference]: Start difference. First operand 282 states and 432 transitions. Second operand 3 states. [2019-11-19 20:59:27,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 20:59:27,374 INFO L93 Difference]: Finished difference Result 840 states and 1291 transitions. [2019-11-19 20:59:27,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 20:59:27,376 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 95 [2019-11-19 20:59:27,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 20:59:27,380 INFO L225 Difference]: With dead ends: 840 [2019-11-19 20:59:27,380 INFO L226 Difference]: Without dead ends: 560 [2019-11-19 20:59:27,382 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-11-19 20:59:27,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2019-11-19 20:59:27,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2019-11-19 20:59:27,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2019-11-19 20:59:27,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 770 transitions. [2019-11-19 20:59:27,411 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 770 transitions. Word has length 95 [2019-11-19 20:59:27,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 20:59:27,412 INFO L462 AbstractCegarLoop]: Abstraction has 560 states and 770 transitions. [2019-11-19 20:59:27,412 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 20:59:27,413 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 770 transitions. [2019-11-19 20:59:27,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-11-19 20:59:27,417 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 20:59:27,417 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:59:27,633 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 20:59:27,634 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 20:59:27,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:59:27,635 INFO L82 PathProgramCache]: Analyzing trace with hash -2129686411, now seen corresponding path program 1 times [2019-11-19 20:59:27,636 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:59:27,636 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101769345] [2019-11-19 20:59:27,637 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:59:27,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:59:27,805 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 20:59:27,807 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101769345] [2019-11-19 20:59:27,807 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 20:59:27,808 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 20:59:27,808 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997756894] [2019-11-19 20:59:27,813 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 20:59:27,814 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 20:59:27,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 20:59:27,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 20:59:27,815 INFO L87 Difference]: Start difference. First operand 560 states and 770 transitions. Second operand 4 states. [2019-11-19 20:59:28,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 20:59:28,760 INFO L93 Difference]: Finished difference Result 1396 states and 1967 transitions. [2019-11-19 20:59:28,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 20:59:28,762 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 106 [2019-11-19 20:59:28,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 20:59:28,771 INFO L225 Difference]: With dead ends: 1396 [2019-11-19 20:59:28,771 INFO L226 Difference]: Without dead ends: 838 [2019-11-19 20:59:28,773 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 20:59:28,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2019-11-19 20:59:28,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2019-11-19 20:59:28,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2019-11-19 20:59:28,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1089 transitions. [2019-11-19 20:59:28,824 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1089 transitions. Word has length 106 [2019-11-19 20:59:28,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 20:59:28,825 INFO L462 AbstractCegarLoop]: Abstraction has 838 states and 1089 transitions. [2019-11-19 20:59:28,825 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 20:59:28,825 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1089 transitions. [2019-11-19 20:59:28,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2019-11-19 20:59:28,841 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 20:59:28,842 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:59:28,842 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 20:59:28,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:59:28,842 INFO L82 PathProgramCache]: Analyzing trace with hash 1871671058, now seen corresponding path program 1 times [2019-11-19 20:59:28,843 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:59:28,843 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122132305] [2019-11-19 20:59:28,844 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:59:28,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:59:29,102 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 20:59:29,103 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122132305] [2019-11-19 20:59:29,103 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 20:59:29,103 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 20:59:29,104 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826749620] [2019-11-19 20:59:29,106 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 20:59:29,107 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 20:59:29,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 20:59:29,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 20:59:29,108 INFO L87 Difference]: Start difference. First operand 838 states and 1089 transitions. Second operand 4 states. [2019-11-19 20:59:29,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 20:59:29,969 INFO L93 Difference]: Finished difference Result 2925 states and 3795 transitions. [2019-11-19 20:59:29,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 20:59:29,970 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 156 [2019-11-19 20:59:29,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 20:59:29,980 INFO L225 Difference]: With dead ends: 2925 [2019-11-19 20:59:29,981 INFO L226 Difference]: Without dead ends: 2089 [2019-11-19 20:59:29,982 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 20:59:29,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2089 states. [2019-11-19 20:59:30,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2089 to 1116. [2019-11-19 20:59:30,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2019-11-19 20:59:30,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1408 transitions. [2019-11-19 20:59:30,015 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1408 transitions. Word has length 156 [2019-11-19 20:59:30,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 20:59:30,015 INFO L462 AbstractCegarLoop]: Abstraction has 1116 states and 1408 transitions. [2019-11-19 20:59:30,015 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 20:59:30,016 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1408 transitions. [2019-11-19 20:59:30,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-11-19 20:59:30,017 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 20:59:30,018 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:59:30,018 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 20:59:30,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:59:30,019 INFO L82 PathProgramCache]: Analyzing trace with hash 21899406, now seen corresponding path program 1 times [2019-11-19 20:59:30,019 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:59:30,019 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692171705] [2019-11-19 20:59:30,019 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:59:30,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:59:30,139 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 20:59:30,139 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692171705] [2019-11-19 20:59:30,140 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 20:59:30,140 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 20:59:30,140 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200156936] [2019-11-19 20:59:30,141 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 20:59:30,141 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 20:59:30,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 20:59:30,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-19 20:59:30,141 INFO L87 Difference]: Start difference. First operand 1116 states and 1408 transitions. Second operand 5 states. [2019-11-19 20:59:31,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 20:59:31,386 INFO L93 Difference]: Finished difference Result 2925 states and 3679 transitions. [2019-11-19 20:59:31,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 20:59:31,386 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 181 [2019-11-19 20:59:31,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 20:59:31,392 INFO L225 Difference]: With dead ends: 2925 [2019-11-19 20:59:31,393 INFO L226 Difference]: Without dead ends: 1116 [2019-11-19 20:59:31,395 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-19 20:59:31,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2019-11-19 20:59:31,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1116. [2019-11-19 20:59:31,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2019-11-19 20:59:31,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1246 transitions. [2019-11-19 20:59:31,424 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1246 transitions. Word has length 181 [2019-11-19 20:59:31,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 20:59:31,425 INFO L462 AbstractCegarLoop]: Abstraction has 1116 states and 1246 transitions. [2019-11-19 20:59:31,425 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 20:59:31,425 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1246 transitions. [2019-11-19 20:59:31,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2019-11-19 20:59:31,428 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 20:59:31,428 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:59:31,428 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 20:59:31,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:59:31,429 INFO L82 PathProgramCache]: Analyzing trace with hash 207197748, now seen corresponding path program 1 times [2019-11-19 20:59:31,429 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:59:31,429 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077942334] [2019-11-19 20:59:31,430 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:59:31,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:59:31,626 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2019-11-19 20:59:31,627 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077942334] [2019-11-19 20:59:31,628 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 20:59:31,628 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 20:59:31,629 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809884387] [2019-11-19 20:59:31,629 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 20:59:31,630 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 20:59:31,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 20:59:31,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 20:59:31,630 INFO L87 Difference]: Start difference. First operand 1116 states and 1246 transitions. Second operand 4 states. [2019-11-19 20:59:32,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 20:59:32,261 INFO L93 Difference]: Finished difference Result 1116 states and 1246 transitions. [2019-11-19 20:59:32,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 20:59:32,261 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 217 [2019-11-19 20:59:32,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 20:59:32,262 INFO L225 Difference]: With dead ends: 1116 [2019-11-19 20:59:32,262 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 20:59:32,264 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 20:59:32,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 20:59:32,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 20:59:32,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 20:59:32,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 20:59:32,264 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 217 [2019-11-19 20:59:32,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 20:59:32,265 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 20:59:32,265 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 20:59:32,265 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 20:59:32,266 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 20:59:32,270 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-19 20:59:32,468 INFO L444 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2019-11-19 20:59:32,468 INFO L444 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,468 INFO L444 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,468 INFO L444 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,468 INFO L444 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,469 INFO L444 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,469 INFO L444 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,469 INFO L444 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2019-11-19 20:59:32,469 INFO L444 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2019-11-19 20:59:32,469 INFO L444 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-11-19 20:59:32,469 INFO L444 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-11-19 20:59:32,469 INFO L444 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-11-19 20:59:32,470 INFO L444 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-11-19 20:59:32,470 INFO L444 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-11-19 20:59:32,470 INFO L444 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-11-19 20:59:32,470 INFO L444 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2019-11-19 20:59:32,470 INFO L444 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2019-11-19 20:59:32,470 INFO L444 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2019-11-19 20:59:32,470 INFO L444 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,470 INFO L444 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,470 INFO L444 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,471 INFO L444 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,471 INFO L444 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,471 INFO L444 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2019-11-19 20:59:32,471 INFO L444 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2019-11-19 20:59:32,471 INFO L444 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2019-11-19 20:59:32,471 INFO L444 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2019-11-19 20:59:32,471 INFO L444 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-11-19 20:59:32,471 INFO L444 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-11-19 20:59:32,471 INFO L444 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-11-19 20:59:32,471 INFO L444 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-11-19 20:59:32,471 INFO L444 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-11-19 20:59:32,472 INFO L444 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2019-11-19 20:59:32,472 INFO L444 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2019-11-19 20:59:32,472 INFO L444 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2019-11-19 20:59:32,472 INFO L444 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2019-11-19 20:59:32,472 INFO L444 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2019-11-19 20:59:32,472 INFO L444 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,472 INFO L444 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,472 INFO L444 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,472 INFO L444 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,473 INFO L444 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,473 INFO L444 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2019-11-19 20:59:32,473 INFO L444 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-19 20:59:32,473 INFO L444 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-11-19 20:59:32,473 INFO L444 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-11-19 20:59:32,473 INFO L444 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-11-19 20:59:32,473 INFO L444 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-11-19 20:59:32,473 INFO L440 ceAbstractionStarter]: At program point L573(lines 20 574) the Hoare annotation is: (or (<= 2 ~a10~0) (<= 10 ~a19~0) (or (< 0 (+ ~a1~0 13)) (= 9 ~a19~0)) (and (not (= ~a19~0 7)) (= ~a10~0 0))) [2019-11-19 20:59:32,474 INFO L444 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2019-11-19 20:59:32,474 INFO L444 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2019-11-19 20:59:32,474 INFO L444 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2019-11-19 20:59:32,474 INFO L444 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2019-11-19 20:59:32,474 INFO L444 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,474 INFO L444 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,474 INFO L444 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,474 INFO L444 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,474 INFO L444 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,474 INFO L444 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2019-11-19 20:59:32,474 INFO L444 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2019-11-19 20:59:32,474 INFO L444 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2019-11-19 20:59:32,475 INFO L444 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-11-19 20:59:32,475 INFO L444 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-11-19 20:59:32,475 INFO L444 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-11-19 20:59:32,475 INFO L444 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-11-19 20:59:32,475 INFO L444 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-11-19 20:59:32,475 INFO L444 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2019-11-19 20:59:32,475 INFO L444 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2019-11-19 20:59:32,475 INFO L447 ceAbstractionStarter]: At program point L576(lines 576 592) the Hoare annotation is: true [2019-11-19 20:59:32,475 INFO L444 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2019-11-19 20:59:32,475 INFO L444 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2019-11-19 20:59:32,476 INFO L444 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2019-11-19 20:59:32,476 INFO L444 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,476 INFO L444 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,476 INFO L444 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,476 INFO L444 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,476 INFO L444 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,476 INFO L444 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-11-19 20:59:32,476 INFO L444 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-11-19 20:59:32,476 INFO L444 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-11-19 20:59:32,476 INFO L444 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-19 20:59:32,477 INFO L444 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-11-19 20:59:32,477 INFO L444 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2019-11-19 20:59:32,477 INFO L444 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2019-11-19 20:59:32,477 INFO L444 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2019-11-19 20:59:32,477 INFO L444 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2019-11-19 20:59:32,477 INFO L444 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,477 INFO L444 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,477 INFO L444 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,477 INFO L444 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,477 INFO L444 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,478 INFO L444 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2019-11-19 20:59:32,478 INFO L444 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2019-11-19 20:59:32,478 INFO L444 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2019-11-19 20:59:32,478 INFO L444 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2019-11-19 20:59:32,478 INFO L444 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-11-19 20:59:32,478 INFO L444 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-11-19 20:59:32,478 INFO L444 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-11-19 20:59:32,478 INFO L444 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-11-19 20:59:32,478 INFO L444 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-11-19 20:59:32,478 INFO L444 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2019-11-19 20:59:32,478 INFO L444 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2019-11-19 20:59:32,479 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 20:59:32,479 INFO L444 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2019-11-19 20:59:32,479 INFO L440 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (or (<= 2 ~a10~0) (<= 10 ~a19~0) (or (< 0 (+ ~a1~0 13)) (= 9 ~a19~0)) (and (not (= ~a19~0 7)) (= ~a10~0 0))) [2019-11-19 20:59:32,479 INFO L444 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2019-11-19 20:59:32,479 INFO L444 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,479 INFO L444 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,479 INFO L444 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,479 INFO L444 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,479 INFO L444 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-11-19 20:59:32,479 INFO L444 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,480 INFO L444 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,480 INFO L444 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2019-11-19 20:59:32,480 INFO L444 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2019-11-19 20:59:32,480 INFO L444 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2019-11-19 20:59:32,480 INFO L444 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-11-19 20:59:32,480 INFO L444 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-11-19 20:59:32,480 INFO L444 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-11-19 20:59:32,480 INFO L444 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-11-19 20:59:32,480 INFO L444 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-11-19 20:59:32,480 INFO L444 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-11-19 20:59:32,481 INFO L444 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2019-11-19 20:59:32,481 INFO L444 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2019-11-19 20:59:32,481 INFO L444 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2019-11-19 20:59:32,481 INFO L444 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2019-11-19 20:59:32,481 INFO L444 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,481 INFO L444 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,481 INFO L444 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,481 INFO L444 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,481 INFO L444 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,481 INFO L444 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,481 INFO L444 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2019-11-19 20:59:32,482 INFO L444 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2019-11-19 20:59:32,482 INFO L444 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2019-11-19 20:59:32,482 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 20:59:32,482 INFO L444 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-11-19 20:59:32,482 INFO L444 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-11-19 20:59:32,482 INFO L444 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-11-19 20:59:32,482 INFO L444 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-19 20:59:32,482 INFO L444 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-11-19 20:59:32,482 INFO L444 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-11-19 20:59:32,482 INFO L444 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2019-11-19 20:59:32,483 INFO L444 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2019-11-19 20:59:32,483 INFO L444 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2019-11-19 20:59:32,483 INFO L444 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2019-11-19 20:59:32,483 INFO L444 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2019-11-19 20:59:32,483 INFO L444 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2019-11-19 20:59:32,483 INFO L444 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,483 INFO L444 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,483 INFO L444 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,483 INFO L444 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,483 INFO L444 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,483 INFO L444 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,484 INFO L444 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2019-11-19 20:59:32,484 INFO L444 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-11-19 20:59:32,484 INFO L444 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-11-19 20:59:32,484 INFO L444 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-11-19 20:59:32,484 INFO L444 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-11-19 20:59:32,484 INFO L444 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-11-19 20:59:32,484 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 20:59:32,484 INFO L444 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-11-19 20:59:32,484 INFO L444 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2019-11-19 20:59:32,484 INFO L444 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2019-11-19 20:59:32,484 INFO L444 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2019-11-19 20:59:32,485 INFO L444 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2019-11-19 20:59:32,485 INFO L444 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2019-11-19 20:59:32,485 INFO L444 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2019-11-19 20:59:32,485 INFO L444 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,485 INFO L444 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,485 INFO L444 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,485 INFO L444 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,485 INFO L444 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,485 INFO L444 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,485 INFO L444 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2019-11-19 20:59:32,485 INFO L444 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2019-11-19 20:59:32,485 INFO L444 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2019-11-19 20:59:32,486 INFO L444 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-11-19 20:59:32,486 INFO L444 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-11-19 20:59:32,486 INFO L444 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-11-19 20:59:32,486 INFO L444 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-11-19 20:59:32,486 INFO L444 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-11-19 20:59:32,486 INFO L444 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-11-19 20:59:32,486 INFO L444 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2019-11-19 20:59:32,486 INFO L444 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2019-11-19 20:59:32,486 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-19 20:59:32,486 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 91) no Hoare annotation was computed. [2019-11-19 20:59:32,486 INFO L444 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2019-11-19 20:59:32,487 INFO L444 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,487 INFO L444 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,487 INFO L444 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,487 INFO L444 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,487 INFO L444 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,487 INFO L444 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 20:59:32,487 INFO L444 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2019-11-19 20:59:32,487 INFO L444 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2019-11-19 20:59:32,487 INFO L444 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2019-11-19 20:59:32,487 INFO L444 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-11-19 20:59:32,487 INFO L444 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-11-19 20:59:32,487 INFO L444 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-11-19 20:59:32,488 INFO L444 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-11-19 20:59:32,488 INFO L444 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-11-19 20:59:32,488 INFO L444 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-11-19 20:59:32,488 INFO L444 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2019-11-19 20:59:32,488 INFO L444 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2019-11-19 20:59:32,488 INFO L444 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2019-11-19 20:59:32,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:59:32 BoogieIcfgContainer [2019-11-19 20:59:32,505 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 20:59:32,506 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 20:59:32,506 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 20:59:32,506 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 20:59:32,506 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:59:24" (3/4) ... [2019-11-19 20:59:32,510 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 20:59:32,540 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-19 20:59:32,541 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 20:59:32,759 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-19 20:59:32,759 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 20:59:32,761 INFO L168 Benchmark]: Toolchain (without parser) took 10888.49 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 326.6 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -166.6 MB). Peak memory consumption was 160.1 MB. Max. memory is 11.5 GB. [2019-11-19 20:59:32,762 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 20:59:32,762 INFO L168 Benchmark]: CACSL2BoogieTranslator took 753.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -157.7 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. [2019-11-19 20:59:32,763 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.89 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-19 20:59:32,763 INFO L168 Benchmark]: Boogie Preprocessor took 69.65 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-19 20:59:32,763 INFO L168 Benchmark]: RCFGBuilder took 1372.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 988.7 MB in the end (delta: 110.7 MB). Peak memory consumption was 110.7 MB. Max. memory is 11.5 GB. [2019-11-19 20:59:32,764 INFO L168 Benchmark]: TraceAbstraction took 8336.45 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 194.0 MB). Free memory was 988.7 MB in the beginning and 1.1 GB in the end (delta: -157.3 MB). Peak memory consumption was 36.7 MB. Max. memory is 11.5 GB. [2019-11-19 20:59:32,765 INFO L168 Benchmark]: Witness Printer took 253.52 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. [2019-11-19 20:59:32,767 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 753.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -157.7 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 96.89 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 69.65 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1372.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 988.7 MB in the end (delta: 110.7 MB). Peak memory consumption was 110.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8336.45 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 194.0 MB). Free memory was 988.7 MB in the beginning and 1.1 GB in the end (delta: -157.3 MB). Peak memory consumption was 36.7 MB. Max. memory is 11.5 GB. * Witness Printer took 253.52 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 91]: 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: 582]: Loop Invariant Derived loop invariant: ((2 <= a10 || 10 <= a19) || 0 < a1 + 13 || 9 == a19) || (!(a19 == 7) && a10 == 0) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((2 <= a10 || 10 <= a19) || 0 < a1 + 13 || 9 == a19) || (!(a19 == 7) && a10 == 0) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 206 locations, 1 error locations. Result: SAFE, OverallTime: 8.2s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 5.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 513 SDtfs, 1620 SDslu, 61 SDs, 0 SdLazy, 3741 SolverSat, 733 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 121 GetRequests, 102 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1116occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 1112 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 32 NumberOfFragments, 49 HoareAnnotationTreeSize, 3 FomulaSimplifications, 602 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 304 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 879 NumberOfCodeBlocks, 879 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 872 ConstructedInterpolants, 0 QuantifiedInterpolants, 325331 SizeOfPredicates, 1 NumberOfNonLiveVariables, 158 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 352/360 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...