./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label40.c --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/eca-rers2012/Problem02_label40.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 cf5fe32b34f3bdb04ccea0560b6f352942ab84d1 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:44:48,659 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 15:44:48,662 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 15:44:48,674 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 15:44:48,674 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 15:44:48,676 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 15:44:48,677 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 15:44:48,679 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 15:44:48,682 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 15:44:48,684 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 15:44:48,687 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 15:44:48,691 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 15:44:48,691 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 15:44:48,692 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 15:44:48,696 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 15:44:48,698 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 15:44:48,698 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 15:44:48,699 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 15:44:48,701 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 15:44:48,703 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 15:44:48,705 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 15:44:48,706 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 15:44:48,707 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 15:44:48,708 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 15:44:48,710 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 15:44:48,710 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 15:44:48,711 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 15:44:48,712 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 15:44:48,712 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 15:44:48,713 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 15:44:48,713 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 15:44:48,714 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 15:44:48,715 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 15:44:48,716 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 15:44:48,717 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 15:44:48,717 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 15:44:48,718 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 15:44:48,718 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 15:44:48,718 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 15:44:48,719 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 15:44:48,720 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 15:44:48,721 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 15:44:48,735 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 15:44:48,736 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 15:44:48,737 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 15:44:48,737 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 15:44:48,737 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 15:44:48,738 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 15:44:48,738 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 15:44:48,738 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 15:44:48,738 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 15:44:48,739 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 15:44:48,739 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 15:44:48,739 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 15:44:48,739 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 15:44:48,739 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 15:44:48,740 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 15:44:48,740 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 15:44:48,740 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 15:44:48,740 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 15:44:48,741 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 15:44:48,741 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 15:44:48,741 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 15:44:48,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 15:44:48,742 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 15:44:48,742 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 15:44:48,742 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 15:44:48,742 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 15:44:48,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 15:44:48,743 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 15:44:48,743 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 15:44:48,743 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 -> cf5fe32b34f3bdb04ccea0560b6f352942ab84d1 [2019-11-28 15:44:49,071 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 15:44:49,085 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 15:44:49,089 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 15:44:49,090 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 15:44:49,094 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 15:44:49,095 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label40.c [2019-11-28 15:44:49,170 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b06bcf17/e46cc39a17f54511ba3ebb7762e76a92/FLAGa66e5f8ea [2019-11-28 15:44:49,744 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 15:44:49,745 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label40.c [2019-11-28 15:44:49,761 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b06bcf17/e46cc39a17f54511ba3ebb7762e76a92/FLAGa66e5f8ea [2019-11-28 15:44:50,038 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b06bcf17/e46cc39a17f54511ba3ebb7762e76a92 [2019-11-28 15:44:50,042 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 15:44:50,044 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 15:44:50,045 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 15:44:50,045 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 15:44:50,049 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 15:44:50,050 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:44:50" (1/1) ... [2019-11-28 15:44:50,053 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c7f4e9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:50, skipping insertion in model container [2019-11-28 15:44:50,054 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:44:50" (1/1) ... [2019-11-28 15:44:50,062 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 15:44:50,136 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 15:44:50,627 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 15:44:50,632 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 15:44:50,763 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 15:44:50,785 INFO L208 MainTranslator]: Completed translation [2019-11-28 15:44:50,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:50 WrapperNode [2019-11-28 15:44:50,786 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 15:44:50,787 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 15:44:50,787 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 15:44:50,787 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 15:44:50,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:50" (1/1) ... [2019-11-28 15:44:50,815 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:50" (1/1) ... [2019-11-28 15:44:50,877 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 15:44:50,878 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 15:44:50,878 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 15:44:50,878 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 15:44:50,888 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:50" (1/1) ... [2019-11-28 15:44:50,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:50" (1/1) ... [2019-11-28 15:44:50,893 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:50" (1/1) ... [2019-11-28 15:44:50,894 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:50" (1/1) ... [2019-11-28 15:44:50,916 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:50" (1/1) ... [2019-11-28 15:44:50,929 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:50" (1/1) ... [2019-11-28 15:44:50,938 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:50" (1/1) ... [2019-11-28 15:44:50,954 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 15:44:50,958 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 15:44:50,958 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 15:44:50,958 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 15:44:50,959 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:50" (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 15:44:51,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 15:44:51,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 15:44:52,285 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 15:44:52,286 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-28 15:44:52,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:44:52 BoogieIcfgContainer [2019-11-28 15:44:52,287 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 15:44:52,289 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 15:44:52,289 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 15:44:52,292 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 15:44:52,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:44:50" (1/3) ... [2019-11-28 15:44:52,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12f16f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:44:52, skipping insertion in model container [2019-11-28 15:44:52,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:50" (2/3) ... [2019-11-28 15:44:52,294 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12f16f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:44:52, skipping insertion in model container [2019-11-28 15:44:52,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:44:52" (3/3) ... [2019-11-28 15:44:52,296 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label40.c [2019-11-28 15:44:52,307 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 15:44:52,315 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 15:44:52,327 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 15:44:52,360 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 15:44:52,360 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 15:44:52,361 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 15:44:52,361 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 15:44:52,361 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 15:44:52,362 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 15:44:52,362 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 15:44:52,362 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 15:44:52,385 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-11-28 15:44:52,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-11-28 15:44:52,396 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:44:52,397 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, 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] [2019-11-28 15:44:52,398 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:44:52,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:44:52,405 INFO L82 PathProgramCache]: Analyzing trace with hash 427661899, now seen corresponding path program 1 times [2019-11-28 15:44:52,415 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:44:52,416 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032217966] [2019-11-28 15:44:52,416 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:44:52,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:52,862 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 15:44:52,864 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032217966] [2019-11-28 15:44:52,865 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:44:52,866 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:44:52,868 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23789584] [2019-11-28 15:44:52,874 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 15:44:52,874 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:44:52,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 15:44:52,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:44:52,893 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 4 states. [2019-11-28 15:44:54,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:44:54,572 INFO L93 Difference]: Finished difference Result 775 states and 1353 transitions. [2019-11-28 15:44:54,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 15:44:54,575 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 89 [2019-11-28 15:44:54,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:44:54,593 INFO L225 Difference]: With dead ends: 775 [2019-11-28 15:44:54,593 INFO L226 Difference]: Without dead ends: 460 [2019-11-28 15:44:54,598 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 [2019-11-28 15:44:54,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2019-11-28 15:44:54,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 308. [2019-11-28 15:44:54,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2019-11-28 15:44:54,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 451 transitions. [2019-11-28 15:44:54,662 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 451 transitions. Word has length 89 [2019-11-28 15:44:54,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:44:54,663 INFO L462 AbstractCegarLoop]: Abstraction has 308 states and 451 transitions. [2019-11-28 15:44:54,663 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 15:44:54,663 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 451 transitions. [2019-11-28 15:44:54,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-11-28 15:44:54,667 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:44:54,667 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2019-11-28 15:44:54,668 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:44:54,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:44:54,668 INFO L82 PathProgramCache]: Analyzing trace with hash 1584478528, now seen corresponding path program 1 times [2019-11-28 15:44:54,668 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:44:54,669 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119985773] [2019-11-28 15:44:54,669 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:44:54,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:54,805 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 15:44:54,806 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119985773] [2019-11-28 15:44:54,806 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:44:54,806 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 15:44:54,806 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910014402] [2019-11-28 15:44:54,809 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 15:44:54,810 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:44:54,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 15:44:54,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:44:54,810 INFO L87 Difference]: Start difference. First operand 308 states and 451 transitions. Second operand 4 states. [2019-11-28 15:44:55,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:44:55,872 INFO L93 Difference]: Finished difference Result 1180 states and 1741 transitions. [2019-11-28 15:44:55,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 15:44:55,873 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 93 [2019-11-28 15:44:55,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:44:55,880 INFO L225 Difference]: With dead ends: 1180 [2019-11-28 15:44:55,880 INFO L226 Difference]: Without dead ends: 874 [2019-11-28 15:44:55,882 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:44:55,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2019-11-28 15:44:55,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 870. [2019-11-28 15:44:55,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 870 states. [2019-11-28 15:44:55,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 870 states and 1183 transitions. [2019-11-28 15:44:55,926 INFO L78 Accepts]: Start accepts. Automaton has 870 states and 1183 transitions. Word has length 93 [2019-11-28 15:44:55,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:44:55,926 INFO L462 AbstractCegarLoop]: Abstraction has 870 states and 1183 transitions. [2019-11-28 15:44:55,927 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 15:44:55,927 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1183 transitions. [2019-11-28 15:44:55,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-11-28 15:44:55,932 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:44:55,933 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-11-28 15:44:55,933 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:44:55,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:44:55,934 INFO L82 PathProgramCache]: Analyzing trace with hash 606564730, now seen corresponding path program 1 times [2019-11-28 15:44:55,934 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:44:55,934 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478178454] [2019-11-28 15:44:55,935 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:44:55,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:55,992 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-28 15:44:55,992 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478178454] [2019-11-28 15:44:55,993 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:44:55,993 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:44:55,993 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360055519] [2019-11-28 15:44:55,994 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 15:44:55,994 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:44:55,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 15:44:55,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:44:55,995 INFO L87 Difference]: Start difference. First operand 870 states and 1183 transitions. Second operand 4 states. [2019-11-28 15:44:56,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:44:56,560 INFO L93 Difference]: Finished difference Result 2146 states and 2939 transitions. [2019-11-28 15:44:56,560 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 15:44:56,560 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2019-11-28 15:44:56,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:44:56,567 INFO L225 Difference]: With dead ends: 2146 [2019-11-28 15:44:56,568 INFO L226 Difference]: Without dead ends: 1278 [2019-11-28 15:44:56,570 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 [2019-11-28 15:44:56,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1278 states. [2019-11-28 15:44:56,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1278 to 578. [2019-11-28 15:44:56,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 578 states. [2019-11-28 15:44:56,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 776 transitions. [2019-11-28 15:44:56,600 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 776 transitions. Word has length 99 [2019-11-28 15:44:56,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:44:56,600 INFO L462 AbstractCegarLoop]: Abstraction has 578 states and 776 transitions. [2019-11-28 15:44:56,600 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 15:44:56,600 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 776 transitions. [2019-11-28 15:44:56,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-11-28 15:44:56,604 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:44:56,604 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-28 15:44:56,605 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:44:56,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:44:56,605 INFO L82 PathProgramCache]: Analyzing trace with hash 450798671, now seen corresponding path program 1 times [2019-11-28 15:44:56,606 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:44:56,606 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646875795] [2019-11-28 15:44:56,606 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:44:56,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:56,651 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 15:44:56,651 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646875795] [2019-11-28 15:44:56,652 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:44:56,652 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 15:44:56,652 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459259073] [2019-11-28 15:44:56,653 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:44:56,653 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:44:56,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:44:56,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:44:56,654 INFO L87 Difference]: Start difference. First operand 578 states and 776 transitions. Second operand 3 states. [2019-11-28 15:44:57,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:44:57,222 INFO L93 Difference]: Finished difference Result 1714 states and 2306 transitions. [2019-11-28 15:44:57,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:44:57,223 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2019-11-28 15:44:57,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:44:57,229 INFO L225 Difference]: With dead ends: 1714 [2019-11-28 15:44:57,230 INFO L226 Difference]: Without dead ends: 1138 [2019-11-28 15:44:57,231 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 15:44:57,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1138 states. [2019-11-28 15:44:57,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1138 to 1138. [2019-11-28 15:44:57,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1138 states. [2019-11-28 15:44:57,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 1138 states and 1447 transitions. [2019-11-28 15:44:57,267 INFO L78 Accepts]: Start accepts. Automaton has 1138 states and 1447 transitions. Word has length 99 [2019-11-28 15:44:57,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:44:57,267 INFO L462 AbstractCegarLoop]: Abstraction has 1138 states and 1447 transitions. [2019-11-28 15:44:57,267 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:44:57,268 INFO L276 IsEmpty]: Start isEmpty. Operand 1138 states and 1447 transitions. [2019-11-28 15:44:57,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-11-28 15:44:57,270 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:44:57,271 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, 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] [2019-11-28 15:44:57,271 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:44:57,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:44:57,272 INFO L82 PathProgramCache]: Analyzing trace with hash 1355718265, now seen corresponding path program 1 times [2019-11-28 15:44:57,272 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:44:57,273 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323094770] [2019-11-28 15:44:57,273 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:44:57,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:57,333 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 15:44:57,334 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323094770] [2019-11-28 15:44:57,334 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:44:57,335 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:44:57,335 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956006673] [2019-11-28 15:44:57,336 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 15:44:57,336 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:44:57,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 15:44:57,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:44:57,337 INFO L87 Difference]: Start difference. First operand 1138 states and 1447 transitions. Second operand 4 states. [2019-11-28 15:44:58,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:44:58,102 INFO L93 Difference]: Finished difference Result 2415 states and 3064 transitions. [2019-11-28 15:44:58,102 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 15:44:58,102 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 113 [2019-11-28 15:44:58,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:44:58,109 INFO L225 Difference]: With dead ends: 2415 [2019-11-28 15:44:58,110 INFO L226 Difference]: Without dead ends: 1279 [2019-11-28 15:44:58,112 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 [2019-11-28 15:44:58,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states. [2019-11-28 15:44:58,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 1279. [2019-11-28 15:44:58,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1279 states. [2019-11-28 15:44:58,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 1279 states and 1438 transitions. [2019-11-28 15:44:58,144 INFO L78 Accepts]: Start accepts. Automaton has 1279 states and 1438 transitions. Word has length 113 [2019-11-28 15:44:58,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:44:58,144 INFO L462 AbstractCegarLoop]: Abstraction has 1279 states and 1438 transitions. [2019-11-28 15:44:58,145 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 15:44:58,145 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 1438 transitions. [2019-11-28 15:44:58,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2019-11-28 15:44:58,148 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:44:58,148 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2019-11-28 15:44:58,148 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:44:58,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:44:58,149 INFO L82 PathProgramCache]: Analyzing trace with hash -1019939816, now seen corresponding path program 1 times [2019-11-28 15:44:58,149 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:44:58,149 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61032768] [2019-11-28 15:44:58,150 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:44:58,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:58,345 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 39 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 15:44:58,345 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61032768] [2019-11-28 15:44:58,346 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [146360759] [2019-11-28 15:44:58,346 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 15:44:58,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:58,430 INFO L264 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-28 15:44:58,439 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 15:44:58,477 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 15:44:58,478 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 15:44:58,478 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-11-28 15:44:58,479 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992551957] [2019-11-28 15:44:58,479 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:44:58,479 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:44:58,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:44:58,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-28 15:44:58,480 INFO L87 Difference]: Start difference. First operand 1279 states and 1438 transitions. Second operand 3 states. [2019-11-28 15:44:58,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:44:58,990 INFO L93 Difference]: Finished difference Result 3399 states and 3829 transitions. [2019-11-28 15:44:58,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:44:58,990 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2019-11-28 15:44:58,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:44:59,000 INFO L225 Difference]: With dead ends: 3399 [2019-11-28 15:44:59,000 INFO L226 Difference]: Without dead ends: 1840 [2019-11-28 15:44:59,004 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-28 15:44:59,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1840 states. [2019-11-28 15:44:59,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1840 to 1836. [2019-11-28 15:44:59,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1836 states. [2019-11-28 15:44:59,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1836 states to 1836 states and 2027 transitions. [2019-11-28 15:44:59,056 INFO L78 Accepts]: Start accepts. Automaton has 1836 states and 2027 transitions. Word has length 122 [2019-11-28 15:44:59,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:44:59,056 INFO L462 AbstractCegarLoop]: Abstraction has 1836 states and 2027 transitions. [2019-11-28 15:44:59,056 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:44:59,057 INFO L276 IsEmpty]: Start isEmpty. Operand 1836 states and 2027 transitions. [2019-11-28 15:44:59,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-11-28 15:44:59,061 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:44:59,061 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2019-11-28 15:44:59,266 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 15:44:59,266 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:44:59,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:44:59,267 INFO L82 PathProgramCache]: Analyzing trace with hash 911939789, now seen corresponding path program 1 times [2019-11-28 15:44:59,267 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:44:59,268 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300189869] [2019-11-28 15:44:59,269 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:44:59,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:59,394 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-28 15:44:59,395 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300189869] [2019-11-28 15:44:59,395 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:44:59,396 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:44:59,396 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771408195] [2019-11-28 15:44:59,396 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:44:59,397 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:44:59,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:44:59,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:44:59,398 INFO L87 Difference]: Start difference. First operand 1836 states and 2027 transitions. Second operand 3 states. [2019-11-28 15:44:59,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:44:59,962 INFO L93 Difference]: Finished difference Result 4230 states and 4697 transitions. [2019-11-28 15:44:59,962 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:44:59,962 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2019-11-28 15:44:59,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:44:59,970 INFO L225 Difference]: With dead ends: 4230 [2019-11-28 15:44:59,970 INFO L226 Difference]: Without dead ends: 1694 [2019-11-28 15:44:59,973 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 15:44:59,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1694 states. [2019-11-28 15:45:00,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1694 to 1694. [2019-11-28 15:45:00,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1694 states. [2019-11-28 15:45:00,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1694 states to 1694 states and 1838 transitions. [2019-11-28 15:45:00,005 INFO L78 Accepts]: Start accepts. Automaton has 1694 states and 1838 transitions. Word has length 126 [2019-11-28 15:45:00,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:45:00,006 INFO L462 AbstractCegarLoop]: Abstraction has 1694 states and 1838 transitions. [2019-11-28 15:45:00,006 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:45:00,006 INFO L276 IsEmpty]: Start isEmpty. Operand 1694 states and 1838 transitions. [2019-11-28 15:45:00,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-11-28 15:45:00,009 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:45:00,009 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 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, 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] [2019-11-28 15:45:00,009 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:45:00,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:45:00,010 INFO L82 PathProgramCache]: Analyzing trace with hash -863331546, now seen corresponding path program 1 times [2019-11-28 15:45:00,010 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:45:00,010 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098829688] [2019-11-28 15:45:00,010 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:45:00,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:45:00,071 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-28 15:45:00,072 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098829688] [2019-11-28 15:45:00,072 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:45:00,072 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:45:00,072 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360402261] [2019-11-28 15:45:00,073 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:45:00,073 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:45:00,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:45:00,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:45:00,074 INFO L87 Difference]: Start difference. First operand 1694 states and 1838 transitions. Second operand 3 states. [2019-11-28 15:45:00,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:45:00,498 INFO L93 Difference]: Finished difference Result 3249 states and 3533 transitions. [2019-11-28 15:45:00,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:45:00,498 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2019-11-28 15:45:00,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:45:00,508 INFO L225 Difference]: With dead ends: 3249 [2019-11-28 15:45:00,509 INFO L226 Difference]: Without dead ends: 1697 [2019-11-28 15:45:00,512 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 15:45:00,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1697 states. [2019-11-28 15:45:00,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1697 to 1694. [2019-11-28 15:45:00,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1694 states. [2019-11-28 15:45:00,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1694 states to 1694 states and 1823 transitions. [2019-11-28 15:45:00,553 INFO L78 Accepts]: Start accepts. Automaton has 1694 states and 1823 transitions. Word has length 136 [2019-11-28 15:45:00,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:45:00,554 INFO L462 AbstractCegarLoop]: Abstraction has 1694 states and 1823 transitions. [2019-11-28 15:45:00,554 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:45:00,554 INFO L276 IsEmpty]: Start isEmpty. Operand 1694 states and 1823 transitions. [2019-11-28 15:45:00,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-11-28 15:45:00,560 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:45:00,560 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2019-11-28 15:45:00,561 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:45:00,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:45:00,562 INFO L82 PathProgramCache]: Analyzing trace with hash 710747632, now seen corresponding path program 1 times [2019-11-28 15:45:00,562 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:45:00,563 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654718486] [2019-11-28 15:45:00,563 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:45:00,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:45:00,744 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 63 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-28 15:45:00,745 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654718486] [2019-11-28 15:45:00,745 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [448631159] [2019-11-28 15:45:00,746 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 15:45:00,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:45:00,850 INFO L264 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 15:45:00,855 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 15:45:00,931 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-28 15:45:00,932 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 15:45:00,933 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-11-28 15:45:00,933 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200757497] [2019-11-28 15:45:00,934 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:45:00,934 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:45:00,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:45:00,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-11-28 15:45:00,936 INFO L87 Difference]: Start difference. First operand 1694 states and 1823 transitions. Second operand 3 states. [2019-11-28 15:45:01,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:45:01,416 INFO L93 Difference]: Finished difference Result 3244 states and 3498 transitions. [2019-11-28 15:45:01,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:45:01,417 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 140 [2019-11-28 15:45:01,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:45:01,418 INFO L225 Difference]: With dead ends: 3244 [2019-11-28 15:45:01,418 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 15:45:01,422 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-11-28 15:45:01,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 15:45:01,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 15:45:01,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 15:45:01,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 15:45:01,423 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 140 [2019-11-28 15:45:01,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:45:01,423 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 15:45:01,423 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:45:01,423 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 15:45:01,424 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 15:45:01,624 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 15:45:01,628 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 15:45:01,900 WARN L192 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 31 [2019-11-28 15:45:02,096 WARN L192 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 31 [2019-11-28 15:45:02,100 INFO L246 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,100 INFO L246 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,100 INFO L246 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,100 INFO L246 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-11-28 15:45:02,101 INFO L246 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2019-11-28 15:45:02,101 INFO L246 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2019-11-28 15:45:02,101 INFO L246 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2019-11-28 15:45:02,101 INFO L246 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-11-28 15:45:02,101 INFO L246 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-11-28 15:45:02,101 INFO L246 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-11-28 15:45:02,101 INFO L246 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,101 INFO L246 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,108 INFO L246 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,108 INFO L246 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-11-28 15:45:02,108 INFO L246 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2019-11-28 15:45:02,110 INFO L246 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2019-11-28 15:45:02,112 INFO L246 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2019-11-28 15:45:02,112 INFO L246 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-11-28 15:45:02,113 INFO L246 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-11-28 15:45:02,113 INFO L246 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-11-28 15:45:02,113 INFO L246 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,113 INFO L246 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,113 INFO L246 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,114 INFO L246 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-11-28 15:45:02,114 INFO L246 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2019-11-28 15:45:02,114 INFO L246 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2019-11-28 15:45:02,114 INFO L246 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2019-11-28 15:45:02,114 INFO L246 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-11-28 15:45:02,115 INFO L246 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,115 INFO L246 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,115 INFO L246 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,117 INFO L246 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-11-28 15:45:02,117 INFO L246 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-11-28 15:45:02,117 INFO L246 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2019-11-28 15:45:02,117 INFO L246 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2019-11-28 15:45:02,118 INFO L246 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2019-11-28 15:45:02,118 INFO L246 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-11-28 15:45:02,118 INFO L246 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-11-28 15:45:02,118 INFO L246 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-11-28 15:45:02,120 INFO L246 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,120 INFO L246 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,120 INFO L246 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,120 INFO L246 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-11-28 15:45:02,121 INFO L246 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2019-11-28 15:45:02,121 INFO L246 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2019-11-28 15:45:02,121 INFO L246 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2019-11-28 15:45:02,121 INFO L246 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-11-28 15:45:02,123 INFO L246 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-11-28 15:45:02,123 INFO L246 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-11-28 15:45:02,123 INFO L246 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-11-28 15:45:02,124 INFO L246 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,124 INFO L246 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,124 INFO L246 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,124 INFO L246 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-11-28 15:45:02,124 INFO L246 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-11-28 15:45:02,125 INFO L246 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-11-28 15:45:02,125 INFO L246 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-11-28 15:45:02,125 INFO L246 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2019-11-28 15:45:02,125 INFO L246 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2019-11-28 15:45:02,125 INFO L246 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2019-11-28 15:45:02,125 INFO L246 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-11-28 15:45:02,126 INFO L246 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-11-28 15:45:02,126 INFO L246 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,126 INFO L246 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,126 INFO L246 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,126 INFO L246 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-11-28 15:45:02,126 INFO L246 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2019-11-28 15:45:02,127 INFO L246 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2019-11-28 15:45:02,127 INFO L246 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2019-11-28 15:45:02,127 INFO L246 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-11-28 15:45:02,127 INFO L246 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-11-28 15:45:02,127 INFO L246 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,128 INFO L246 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,128 INFO L246 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,128 INFO L246 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-11-28 15:45:02,128 INFO L246 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-11-28 15:45:02,128 INFO L246 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2019-11-28 15:45:02,128 INFO L246 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2019-11-28 15:45:02,129 INFO L246 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2019-11-28 15:45:02,129 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 15:45:02,129 INFO L246 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-11-28 15:45:02,129 INFO L246 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-11-28 15:45:02,129 INFO L246 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-11-28 15:45:02,129 INFO L246 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,130 INFO L246 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,130 INFO L246 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,130 INFO L246 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2019-11-28 15:45:02,130 INFO L246 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2019-11-28 15:45:02,130 INFO L246 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2019-11-28 15:45:02,131 INFO L246 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-11-28 15:45:02,131 INFO L246 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-11-28 15:45:02,131 INFO L246 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,131 INFO L246 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,131 INFO L246 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,131 INFO L246 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-11-28 15:45:02,132 INFO L246 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2019-11-28 15:45:02,132 INFO L246 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2019-11-28 15:45:02,132 INFO L246 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2019-11-28 15:45:02,132 INFO L246 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-11-28 15:45:02,132 INFO L246 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-11-28 15:45:02,133 INFO L246 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-11-28 15:45:02,133 INFO L246 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-11-28 15:45:02,133 INFO L246 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-11-28 15:45:02,133 INFO L246 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-11-28 15:45:02,133 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 15:45:02,133 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 439) no Hoare annotation was computed. [2019-11-28 15:45:02,134 INFO L246 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-11-28 15:45:02,134 INFO L246 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,134 INFO L246 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,134 INFO L246 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-11-28 15:45:02,134 INFO L246 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2019-11-28 15:45:02,135 INFO L246 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2019-11-28 15:45:02,135 INFO L246 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2019-11-28 15:45:02,135 INFO L246 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-11-28 15:45:02,135 INFO L246 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-11-28 15:45:02,135 INFO L246 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-11-28 15:45:02,135 INFO L246 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-11-28 15:45:02,136 INFO L246 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-11-28 15:45:02,139 INFO L242 CegarLoopResult]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse2 (= ~a28~0 7)) (.cse7 (= ~a11~0 1))) (let ((.cse5 (= ~a25~0 1)) (.cse0 (= ~a17~0 8)) (.cse3 (not .cse7)) (.cse4 (<= ~a19~0 0)) (.cse1 (= ~a19~0 1)) (.cse8 (not .cse2)) (.cse6 (<= ~a17~0 8)) (.cse9 (not (= ~a28~0 11)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 (not .cse5) .cse2 .cse6 .cse7) (and .cse1 .cse6 .cse5) (and .cse4 .cse0 .cse2 .cse3) (and .cse4 .cse8 .cse6 .cse9) (and .cse8 .cse1 .cse6 .cse9) (and .cse8 .cse6 .cse7 .cse9)))) [2019-11-28 15:45:02,139 INFO L246 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,139 INFO L246 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,139 INFO L246 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-11-28 15:45:02,139 INFO L246 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2019-11-28 15:45:02,140 INFO L246 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2019-11-28 15:45:02,140 INFO L246 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-11-28 15:45:02,140 INFO L246 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-11-28 15:45:02,140 INFO L246 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-11-28 15:45:02,140 INFO L249 CegarLoopResult]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-11-28 15:45:02,140 INFO L246 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,141 INFO L246 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,141 INFO L246 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-11-28 15:45:02,141 INFO L246 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2019-11-28 15:45:02,141 INFO L246 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2019-11-28 15:45:02,141 INFO L246 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-11-28 15:45:02,141 INFO L246 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-11-28 15:45:02,142 INFO L246 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-11-28 15:45:02,142 INFO L246 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-11-28 15:45:02,142 INFO L246 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-11-28 15:45:02,142 INFO L246 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-11-28 15:45:02,142 INFO L246 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,143 INFO L246 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,143 INFO L246 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-11-28 15:45:02,143 INFO L246 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-11-28 15:45:02,144 INFO L246 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2019-11-28 15:45:02,145 INFO L246 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2019-11-28 15:45:02,145 INFO L246 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-11-28 15:45:02,145 INFO L246 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-11-28 15:45:02,145 INFO L242 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse2 (= ~a28~0 7)) (.cse7 (= ~a11~0 1))) (let ((.cse5 (= ~a25~0 1)) (.cse0 (= ~a17~0 8)) (.cse3 (not .cse7)) (.cse4 (<= ~a19~0 0)) (.cse1 (= ~a19~0 1)) (.cse8 (not .cse2)) (.cse6 (<= ~a17~0 8)) (.cse9 (not (= ~a28~0 11)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 (not .cse5) .cse2 .cse6 .cse7) (and .cse1 .cse6 .cse5) (and .cse4 .cse0 .cse2 .cse3) (and .cse4 .cse8 .cse6 .cse9) (and .cse8 .cse1 .cse6 .cse9) (and .cse8 .cse6 .cse7 .cse9)))) [2019-11-28 15:45:02,145 INFO L246 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,146 INFO L246 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,146 INFO L246 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-11-28 15:45:02,146 INFO L246 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2019-11-28 15:45:02,146 INFO L246 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2019-11-28 15:45:02,146 INFO L246 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-11-28 15:45:02,146 INFO L246 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-11-28 15:45:02,147 INFO L246 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,147 INFO L246 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,147 INFO L246 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2019-11-28 15:45:02,147 INFO L246 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2019-11-28 15:45:02,147 INFO L246 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-11-28 15:45:02,147 INFO L246 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-11-28 15:45:02,148 INFO L246 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-11-28 15:45:02,148 INFO L246 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2019-11-28 15:45:02,148 INFO L246 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-11-28 15:45:02,148 INFO L246 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-11-28 15:45:02,148 INFO L246 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-11-28 15:45:02,149 INFO L246 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,149 INFO L246 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,149 INFO L246 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-11-28 15:45:02,149 INFO L246 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,149 INFO L246 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2019-11-28 15:45:02,149 INFO L246 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2019-11-28 15:45:02,150 INFO L246 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2019-11-28 15:45:02,150 INFO L246 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-11-28 15:45:02,150 INFO L246 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-11-28 15:45:02,150 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 15:45:02,150 INFO L246 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-11-28 15:45:02,150 INFO L246 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,151 INFO L246 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,151 INFO L246 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,151 INFO L246 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2019-11-28 15:45:02,151 INFO L246 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2019-11-28 15:45:02,151 INFO L246 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2019-11-28 15:45:02,151 INFO L246 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-11-28 15:45:02,152 INFO L246 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-11-28 15:45:02,152 INFO L246 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,152 INFO L246 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,152 INFO L246 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,152 INFO L246 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-11-28 15:45:02,152 INFO L246 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2019-11-28 15:45:02,153 INFO L246 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2019-11-28 15:45:02,153 INFO L246 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2019-11-28 15:45:02,153 INFO L246 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-11-28 15:45:02,153 INFO L246 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-11-28 15:45:02,153 INFO L246 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,153 INFO L246 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,154 INFO L246 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,154 INFO L246 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-11-28 15:45:02,154 INFO L246 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-11-28 15:45:02,154 INFO L246 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-11-28 15:45:02,155 INFO L246 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2019-11-28 15:45:02,155 INFO L246 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2019-11-28 15:45:02,155 INFO L246 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2019-11-28 15:45:02,155 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 15:45:02,155 INFO L246 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-11-28 15:45:02,156 INFO L246 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-11-28 15:45:02,156 INFO L246 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,156 INFO L246 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,156 INFO L246 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,156 INFO L246 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-11-28 15:45:02,157 INFO L246 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2019-11-28 15:45:02,157 INFO L246 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2019-11-28 15:45:02,157 INFO L246 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2019-11-28 15:45:02,157 INFO L246 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-11-28 15:45:02,157 INFO L246 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,158 INFO L246 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,158 INFO L246 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:02,158 INFO L246 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-11-28 15:45:02,158 INFO L246 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-11-28 15:45:02,158 INFO L246 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-11-28 15:45:02,158 INFO L246 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2019-11-28 15:45:02,159 INFO L246 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2019-11-28 15:45:02,159 INFO L246 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2019-11-28 15:45:02,159 INFO L246 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-11-28 15:45:02,159 INFO L246 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-11-28 15:45:02,159 INFO L246 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-11-28 15:45:02,160 INFO L246 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-11-28 15:45:02,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:45:02 BoogieIcfgContainer [2019-11-28 15:45:02,197 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 15:45:02,197 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 15:45:02,198 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 15:45:02,198 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 15:45:02,199 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:44:52" (3/4) ... [2019-11-28 15:45:02,203 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 15:45:02,241 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-28 15:45:02,242 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 15:45:02,468 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 15:45:02,468 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 15:45:02,470 INFO L168 Benchmark]: Toolchain (without parser) took 12426.53 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 313.0 MB). Free memory was 955.0 MB in the beginning and 886.3 MB in the end (delta: 68.7 MB). Peak memory consumption was 381.7 MB. Max. memory is 11.5 GB. [2019-11-28 15:45:02,470 INFO L168 Benchmark]: CDTParser took 0.73 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. [2019-11-28 15:45:02,471 INFO L168 Benchmark]: CACSL2BoogieTranslator took 741.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -145.9 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2019-11-28 15:45:02,471 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.94 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 15:45:02,472 INFO L168 Benchmark]: Boogie Preprocessor took 76.50 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 15:45:02,472 INFO L168 Benchmark]: RCFGBuilder took 1329.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 980.0 MB in the end (delta: 114.0 MB). Peak memory consumption was 114.0 MB. Max. memory is 11.5 GB. [2019-11-28 15:45:02,473 INFO L168 Benchmark]: TraceAbstraction took 9908.53 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 187.2 MB). Free memory was 980.0 MB in the beginning and 905.2 MB in the end (delta: 74.8 MB). Peak memory consumption was 262.0 MB. Max. memory is 11.5 GB. [2019-11-28 15:45:02,473 INFO L168 Benchmark]: Witness Printer took 270.81 ms. Allocated memory is still 1.3 GB. Free memory was 905.2 MB in the beginning and 886.3 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2019-11-28 15:45:02,476 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73 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 741.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -145.9 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 90.94 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. * Boogie Preprocessor took 76.50 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1329.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 980.0 MB in the end (delta: 114.0 MB). Peak memory consumption was 114.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9908.53 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 187.2 MB). Free memory was 980.0 MB in the beginning and 905.2 MB in the end (delta: 74.8 MB). Peak memory consumption was 262.0 MB. Max. memory is 11.5 GB. * Witness Printer took 270.81 ms. Allocated memory is still 1.3 GB. Free memory was 905.2 MB in the beginning and 886.3 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 439]: 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: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((a17 == 8 && a19 == 1) && a28 == 7) && !(a11 == 1)) || ((((a19 <= 0 && !(a25 == 1)) && a28 == 7) && a17 <= 8) && a11 == 1)) || ((a19 == 1 && a17 <= 8) && a25 == 1)) || (((a19 <= 0 && a17 == 8) && a28 == 7) && !(a11 == 1))) || (((a19 <= 0 && !(a28 == 7)) && a17 <= 8) && !(a28 == 11))) || (((!(a28 == 7) && a19 == 1) && a17 <= 8) && !(a28 == 11))) || (((!(a28 == 7) && a17 <= 8) && a11 == 1) && !(a28 == 11)) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((((((a17 == 8 && a19 == 1) && a28 == 7) && !(a11 == 1)) || ((((a19 <= 0 && !(a25 == 1)) && a28 == 7) && a17 <= 8) && a11 == 1)) || ((a19 == 1 && a17 <= 8) && a25 == 1)) || (((a19 <= 0 && a17 == 8) && a28 == 7) && !(a11 == 1))) || (((a19 <= 0 && !(a28 == 7)) && a17 <= 8) && !(a28 == 11))) || (((!(a28 == 7) && a19 == 1) && a17 <= 8) && !(a28 == 11))) || (((!(a28 == 7) && a17 <= 8) && a11 == 1) && !(a28 == 11)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Result: SAFE, OverallTime: 9.2s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 6.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 1117 SDtfs, 1809 SDslu, 167 SDs, 0 SdLazy, 4138 SolverSat, 760 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 294 GetRequests, 270 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1836occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 863 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 46 NumberOfFragments, 203 HoareAnnotationTreeSize, 3 FomulaSimplifications, 834 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 416 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1279 NumberOfCodeBlocks, 1279 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1268 ConstructedInterpolants, 0 QuantifiedInterpolants, 386099 SizeOfPredicates, 1 NumberOfNonLiveVariables, 505 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 401/405 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...