./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label22.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -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_label22.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 36dc3ddaee2646c41a315f290ed2762b1ba4c0f0 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-19 22:31:14,472 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 22:31:14,475 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 22:31:14,516 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 22:31:14,517 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 22:31:14,527 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 22:31:14,530 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 22:31:14,533 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 22:31:14,536 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 22:31:14,540 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 22:31:14,542 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 22:31:14,543 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 22:31:14,543 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 22:31:14,547 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 22:31:14,549 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 22:31:14,551 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 22:31:14,561 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 22:31:14,562 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 22:31:14,564 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 22:31:14,571 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 22:31:14,574 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 22:31:14,575 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 22:31:14,577 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 22:31:14,578 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 22:31:14,590 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 22:31:14,591 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 22:31:14,591 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 22:31:14,595 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 22:31:14,595 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 22:31:14,599 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 22:31:14,600 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 22:31:14,600 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 22:31:14,601 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 22:31:14,602 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 22:31:14,603 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 22:31:14,603 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 22:31:14,607 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 22:31:14,607 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 22:31:14,607 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 22:31:14,610 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 22:31:14,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 22:31:14,612 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-19 22:31:14,650 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 22:31:14,651 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 22:31:14,652 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 22:31:14,653 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 22:31:14,653 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 22:31:14,653 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 22:31:14,653 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 22:31:14,653 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 22:31:14,654 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 22:31:14,654 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 22:31:14,655 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 22:31:14,655 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 22:31:14,655 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 22:31:14,656 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 22:31:14,656 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 22:31:14,656 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 22:31:14,656 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 22:31:14,657 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 22:31:14,657 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 22:31:14,657 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 22:31:14,657 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 22:31:14,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 22:31:14,658 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 22:31:14,658 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 22:31:14,658 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 22:31:14,658 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 22:31:14,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 22:31:14,659 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 22:31:14,659 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 22:31:14,659 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(reach_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 -> 36dc3ddaee2646c41a315f290ed2762b1ba4c0f0 [2020-10-19 22:31:14,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 22:31:14,887 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 22:31:14,892 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 22:31:14,894 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 22:31:14,894 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 22:31:14,895 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label22.c [2020-10-19 22:31:14,983 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2460a6c9c/6433d30eea254f59a949b41e4e05c6de/FLAG4fa0c9c9b [2020-10-19 22:31:15,614 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 22:31:15,615 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label22.c [2020-10-19 22:31:15,629 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2460a6c9c/6433d30eea254f59a949b41e4e05c6de/FLAG4fa0c9c9b [2020-10-19 22:31:15,887 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2460a6c9c/6433d30eea254f59a949b41e4e05c6de [2020-10-19 22:31:15,891 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 22:31:15,897 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 22:31:15,899 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 22:31:15,899 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 22:31:15,903 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 22:31:15,904 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:31:15" (1/1) ... [2020-10-19 22:31:15,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17bfc70a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:31:15, skipping insertion in model container [2020-10-19 22:31:15,908 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:31:15" (1/1) ... [2020-10-19 22:31:15,917 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 22:31:15,989 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 22:31:16,424 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 22:31:16,454 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 22:31:16,613 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 22:31:16,634 INFO L208 MainTranslator]: Completed translation [2020-10-19 22:31:16,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:31:16 WrapperNode [2020-10-19 22:31:16,635 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 22:31:16,636 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 22:31:16,637 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 22:31:16,637 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 22:31:16,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:31:16" (1/1) ... [2020-10-19 22:31:16,676 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:31:16" (1/1) ... [2020-10-19 22:31:16,764 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 22:31:16,764 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 22:31:16,764 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 22:31:16,764 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 22:31:16,772 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:31:16" (1/1) ... [2020-10-19 22:31:16,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:31:16" (1/1) ... [2020-10-19 22:31:16,777 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:31:16" (1/1) ... [2020-10-19 22:31:16,778 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:31:16" (1/1) ... [2020-10-19 22:31:16,801 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:31:16" (1/1) ... [2020-10-19 22:31:16,812 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:31:16" (1/1) ... [2020-10-19 22:31:16,820 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:31:16" (1/1) ... [2020-10-19 22:31:16,829 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 22:31:16,830 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 22:31:16,830 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 22:31:16,830 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 22:31:16,831 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:31:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 22:31:16,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 22:31:16,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 22:31:16,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 22:31:16,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 22:31:18,479 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 22:31:18,479 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-19 22:31:18,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:31:18 BoogieIcfgContainer [2020-10-19 22:31:18,482 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 22:31:18,483 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 22:31:18,485 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 22:31:18,488 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 22:31:18,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 10:31:15" (1/3) ... [2020-10-19 22:31:18,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2424a361 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:31:18, skipping insertion in model container [2020-10-19 22:31:18,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:31:16" (2/3) ... [2020-10-19 22:31:18,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2424a361 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:31:18, skipping insertion in model container [2020-10-19 22:31:18,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:31:18" (3/3) ... [2020-10-19 22:31:18,496 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label22.c [2020-10-19 22:31:18,508 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 22:31:18,520 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-19 22:31:18,535 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-19 22:31:18,580 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 22:31:18,581 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 22:31:18,581 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 22:31:18,582 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 22:31:18,582 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 22:31:18,582 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 22:31:18,583 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 22:31:18,583 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 22:31:18,612 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states. [2020-10-19 22:31:18,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-19 22:31:18,628 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:31:18,629 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:31:18,629 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:31:18,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:31:18,637 INFO L82 PathProgramCache]: Analyzing trace with hash -1473688725, now seen corresponding path program 1 times [2020-10-19 22:31:18,648 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:31:18,649 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638649160] [2020-10-19 22:31:18,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:31:18,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:19,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:31:19,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638649160] [2020-10-19 22:31:19,065 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:31:19,065 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:31:19,066 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166765934] [2020-10-19 22:31:19,071 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:31:19,071 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:31:19,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:31:19,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:31:19,088 INFO L87 Difference]: Start difference. First operand 228 states. Second operand 3 states. [2020-10-19 22:31:20,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:31:20,203 INFO L93 Difference]: Finished difference Result 601 states and 1038 transitions. [2020-10-19 22:31:20,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:31:20,205 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2020-10-19 22:31:20,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:31:20,223 INFO L225 Difference]: With dead ends: 601 [2020-10-19 22:31:20,224 INFO L226 Difference]: Without dead ends: 309 [2020-10-19 22:31:20,229 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:31:20,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2020-10-19 22:31:20,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 307. [2020-10-19 22:31:20,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 307 states. [2020-10-19 22:31:20,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 407 transitions. [2020-10-19 22:31:20,298 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 407 transitions. Word has length 97 [2020-10-19 22:31:20,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:31:20,299 INFO L481 AbstractCegarLoop]: Abstraction has 307 states and 407 transitions. [2020-10-19 22:31:20,299 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:31:20,299 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 407 transitions. [2020-10-19 22:31:20,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-10-19 22:31:20,304 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:31:20,304 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:31:20,304 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-19 22:31:20,305 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:31:20,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:31:20,305 INFO L82 PathProgramCache]: Analyzing trace with hash 1129705854, now seen corresponding path program 1 times [2020-10-19 22:31:20,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:31:20,306 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060242702] [2020-10-19 22:31:20,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:31:20,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:20,540 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:31:20,540 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060242702] [2020-10-19 22:31:20,540 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:31:20,541 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:31:20,541 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117554432] [2020-10-19 22:31:20,543 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:31:20,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:31:20,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:31:20,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:31:20,544 INFO L87 Difference]: Start difference. First operand 307 states and 407 transitions. Second operand 3 states. [2020-10-19 22:31:21,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:31:21,211 INFO L93 Difference]: Finished difference Result 758 states and 1034 transitions. [2020-10-19 22:31:21,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:31:21,214 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2020-10-19 22:31:21,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:31:21,218 INFO L225 Difference]: With dead ends: 758 [2020-10-19 22:31:21,219 INFO L226 Difference]: Without dead ends: 453 [2020-10-19 22:31:21,221 INFO L677 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 [2020-10-19 22:31:21,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2020-10-19 22:31:21,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 453. [2020-10-19 22:31:21,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 453 states. [2020-10-19 22:31:21,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 578 transitions. [2020-10-19 22:31:21,250 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 578 transitions. Word has length 102 [2020-10-19 22:31:21,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:31:21,251 INFO L481 AbstractCegarLoop]: Abstraction has 453 states and 578 transitions. [2020-10-19 22:31:21,251 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:31:21,251 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 578 transitions. [2020-10-19 22:31:21,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-10-19 22:31:21,255 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:31:21,256 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:31:21,256 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-19 22:31:21,256 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:31:21,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:31:21,257 INFO L82 PathProgramCache]: Analyzing trace with hash 2026356569, now seen corresponding path program 1 times [2020-10-19 22:31:21,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:31:21,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806783593] [2020-10-19 22:31:21,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:31:21,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:21,314 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:31:21,315 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806783593] [2020-10-19 22:31:21,316 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:31:21,316 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:31:21,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099162470] [2020-10-19 22:31:21,317 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:31:21,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:31:21,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:31:21,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:31:21,318 INFO L87 Difference]: Start difference. First operand 453 states and 578 transitions. Second operand 3 states. [2020-10-19 22:31:21,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:31:21,906 INFO L93 Difference]: Finished difference Result 1325 states and 1691 transitions. [2020-10-19 22:31:21,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:31:21,907 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 114 [2020-10-19 22:31:21,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:31:21,911 INFO L225 Difference]: With dead ends: 1325 [2020-10-19 22:31:21,912 INFO L226 Difference]: Without dead ends: 874 [2020-10-19 22:31:21,913 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:31:21,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2020-10-19 22:31:21,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 874. [2020-10-19 22:31:21,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 874 states. [2020-10-19 22:31:21,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1074 transitions. [2020-10-19 22:31:21,952 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1074 transitions. Word has length 114 [2020-10-19 22:31:21,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:31:21,953 INFO L481 AbstractCegarLoop]: Abstraction has 874 states and 1074 transitions. [2020-10-19 22:31:21,953 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:31:21,953 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1074 transitions. [2020-10-19 22:31:21,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-19 22:31:21,958 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:31:21,959 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-19 22:31:21,959 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-19 22:31:21,959 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:31:21,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:31:21,960 INFO L82 PathProgramCache]: Analyzing trace with hash -963876506, now seen corresponding path program 1 times [2020-10-19 22:31:21,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:31:21,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315813820] [2020-10-19 22:31:21,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:31:21,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:22,072 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:31:22,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315813820] [2020-10-19 22:31:22,073 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:31:22,073 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:31:22,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705573336] [2020-10-19 22:31:22,074 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:31:22,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:31:22,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:31:22,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:31:22,074 INFO L87 Difference]: Start difference. First operand 874 states and 1074 transitions. Second operand 3 states. [2020-10-19 22:31:22,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:31:22,728 INFO L93 Difference]: Finished difference Result 2027 states and 2555 transitions. [2020-10-19 22:31:22,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:31:22,731 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2020-10-19 22:31:22,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:31:22,738 INFO L225 Difference]: With dead ends: 2027 [2020-10-19 22:31:22,738 INFO L226 Difference]: Without dead ends: 1155 [2020-10-19 22:31:22,740 INFO L677 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 [2020-10-19 22:31:22,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1155 states. [2020-10-19 22:31:22,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1155 to 1154. [2020-10-19 22:31:22,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1154 states. [2020-10-19 22:31:22,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 1154 states and 1434 transitions. [2020-10-19 22:31:22,767 INFO L78 Accepts]: Start accepts. Automaton has 1154 states and 1434 transitions. Word has length 127 [2020-10-19 22:31:22,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:31:22,768 INFO L481 AbstractCegarLoop]: Abstraction has 1154 states and 1434 transitions. [2020-10-19 22:31:22,768 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:31:22,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1434 transitions. [2020-10-19 22:31:22,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-19 22:31:22,773 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:31:22,773 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-19 22:31:22,773 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-19 22:31:22,774 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:31:22,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:31:22,774 INFO L82 PathProgramCache]: Analyzing trace with hash -104571029, now seen corresponding path program 1 times [2020-10-19 22:31:22,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:31:22,775 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224764585] [2020-10-19 22:31:22,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:31:22,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:22,879 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:31:22,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224764585] [2020-10-19 22:31:22,880 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:31:22,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:31:22,881 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907689734] [2020-10-19 22:31:22,881 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:31:22,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:31:22,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:31:22,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:31:22,882 INFO L87 Difference]: Start difference. First operand 1154 states and 1434 transitions. Second operand 3 states. [2020-10-19 22:31:23,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:31:23,507 INFO L93 Difference]: Finished difference Result 3443 states and 4280 transitions. [2020-10-19 22:31:23,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:31:23,508 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 130 [2020-10-19 22:31:23,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:31:23,522 INFO L225 Difference]: With dead ends: 3443 [2020-10-19 22:31:23,522 INFO L226 Difference]: Without dead ends: 2291 [2020-10-19 22:31:23,524 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:31:23,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2291 states. [2020-10-19 22:31:23,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2291 to 2289. [2020-10-19 22:31:23,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2289 states. [2020-10-19 22:31:23,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2289 states to 2289 states and 2795 transitions. [2020-10-19 22:31:23,610 INFO L78 Accepts]: Start accepts. Automaton has 2289 states and 2795 transitions. Word has length 130 [2020-10-19 22:31:23,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:31:23,611 INFO L481 AbstractCegarLoop]: Abstraction has 2289 states and 2795 transitions. [2020-10-19 22:31:23,611 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:31:23,611 INFO L276 IsEmpty]: Start isEmpty. Operand 2289 states and 2795 transitions. [2020-10-19 22:31:23,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-19 22:31:23,617 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:31:23,617 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:31:23,617 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-19 22:31:23,617 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:31:23,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:31:23,618 INFO L82 PathProgramCache]: Analyzing trace with hash 29443753, now seen corresponding path program 1 times [2020-10-19 22:31:23,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:31:23,618 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906480448] [2020-10-19 22:31:23,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:31:23,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:23,726 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-19 22:31:23,726 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906480448] [2020-10-19 22:31:23,727 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:31:23,727 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-19 22:31:23,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208138943] [2020-10-19 22:31:23,728 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-19 22:31:23,728 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:31:23,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-19 22:31:23,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:31:23,729 INFO L87 Difference]: Start difference. First operand 2289 states and 2795 transitions. Second operand 5 states. [2020-10-19 22:31:24,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:31:24,869 INFO L93 Difference]: Finished difference Result 5768 states and 6967 transitions. [2020-10-19 22:31:24,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-19 22:31:24,870 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 136 [2020-10-19 22:31:24,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:31:24,884 INFO L225 Difference]: With dead ends: 5768 [2020-10-19 22:31:24,884 INFO L226 Difference]: Without dead ends: 3195 [2020-10-19 22:31:24,888 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-19 22:31:24,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3195 states. [2020-10-19 22:31:24,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3195 to 2849. [2020-10-19 22:31:24,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2849 states. [2020-10-19 22:31:24,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2849 states to 2849 states and 3297 transitions. [2020-10-19 22:31:24,949 INFO L78 Accepts]: Start accepts. Automaton has 2849 states and 3297 transitions. Word has length 136 [2020-10-19 22:31:24,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:31:24,954 INFO L481 AbstractCegarLoop]: Abstraction has 2849 states and 3297 transitions. [2020-10-19 22:31:24,954 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-19 22:31:24,955 INFO L276 IsEmpty]: Start isEmpty. Operand 2849 states and 3297 transitions. [2020-10-19 22:31:24,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-19 22:31:24,959 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:31:24,959 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:31:24,960 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-19 22:31:24,960 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:31:24,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:31:24,960 INFO L82 PathProgramCache]: Analyzing trace with hash 1603522931, now seen corresponding path program 1 times [2020-10-19 22:31:24,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:31:24,961 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579048089] [2020-10-19 22:31:24,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:31:25,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:25,094 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-19 22:31:25,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579048089] [2020-10-19 22:31:25,095 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:31:25,095 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:31:25,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224232666] [2020-10-19 22:31:25,096 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:31:25,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:31:25,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:31:25,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:31:25,098 INFO L87 Difference]: Start difference. First operand 2849 states and 3297 transitions. Second operand 3 states. [2020-10-19 22:31:25,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:31:25,787 INFO L93 Difference]: Finished difference Result 5255 states and 6038 transitions. [2020-10-19 22:31:25,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:31:25,788 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 140 [2020-10-19 22:31:25,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:31:25,799 INFO L225 Difference]: With dead ends: 5255 [2020-10-19 22:31:25,800 INFO L226 Difference]: Without dead ends: 1847 [2020-10-19 22:31:25,807 INFO L677 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 [2020-10-19 22:31:25,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1847 states. [2020-10-19 22:31:25,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1847 to 1567. [2020-10-19 22:31:25,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1567 states. [2020-10-19 22:31:25,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1567 states to 1567 states and 1729 transitions. [2020-10-19 22:31:25,856 INFO L78 Accepts]: Start accepts. Automaton has 1567 states and 1729 transitions. Word has length 140 [2020-10-19 22:31:25,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:31:25,856 INFO L481 AbstractCegarLoop]: Abstraction has 1567 states and 1729 transitions. [2020-10-19 22:31:25,858 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:31:25,858 INFO L276 IsEmpty]: Start isEmpty. Operand 1567 states and 1729 transitions. [2020-10-19 22:31:25,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-10-19 22:31:25,864 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:31:25,864 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2020-10-19 22:31:25,864 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-19 22:31:25,865 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:31:25,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:31:25,865 INFO L82 PathProgramCache]: Analyzing trace with hash 1964169229, now seen corresponding path program 1 times [2020-10-19 22:31:25,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:31:25,866 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848906966] [2020-10-19 22:31:25,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:31:25,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:26,000 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-10-19 22:31:26,000 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848906966] [2020-10-19 22:31:26,000 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:31:26,001 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:31:26,001 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708626250] [2020-10-19 22:31:26,001 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:31:26,002 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:31:26,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:31:26,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:31:26,002 INFO L87 Difference]: Start difference. First operand 1567 states and 1729 transitions. Second operand 3 states. [2020-10-19 22:31:26,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:31:26,669 INFO L93 Difference]: Finished difference Result 4119 states and 4496 transitions. [2020-10-19 22:31:26,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:31:26,670 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 165 [2020-10-19 22:31:26,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:31:26,683 INFO L225 Difference]: With dead ends: 4119 [2020-10-19 22:31:26,683 INFO L226 Difference]: Without dead ends: 2273 [2020-10-19 22:31:26,687 INFO L677 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 [2020-10-19 22:31:26,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2273 states. [2020-10-19 22:31:26,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2273 to 1988. [2020-10-19 22:31:26,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1988 states. [2020-10-19 22:31:26,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1988 states to 1988 states and 2104 transitions. [2020-10-19 22:31:26,738 INFO L78 Accepts]: Start accepts. Automaton has 1988 states and 2104 transitions. Word has length 165 [2020-10-19 22:31:26,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:31:26,738 INFO L481 AbstractCegarLoop]: Abstraction has 1988 states and 2104 transitions. [2020-10-19 22:31:26,738 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:31:26,738 INFO L276 IsEmpty]: Start isEmpty. Operand 1988 states and 2104 transitions. [2020-10-19 22:31:26,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-10-19 22:31:26,749 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:31:26,749 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:31:26,750 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-19 22:31:26,750 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:31:26,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:31:26,751 INFO L82 PathProgramCache]: Analyzing trace with hash 104248572, now seen corresponding path program 1 times [2020-10-19 22:31:26,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:31:26,752 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240608775] [2020-10-19 22:31:26,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:31:26,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:27,046 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2020-10-19 22:31:27,046 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240608775] [2020-10-19 22:31:27,046 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:31:27,047 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:31:27,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64585905] [2020-10-19 22:31:27,052 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:31:27,052 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:31:27,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:31:27,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:31:27,053 INFO L87 Difference]: Start difference. First operand 1988 states and 2104 transitions. Second operand 3 states. [2020-10-19 22:31:27,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:31:27,543 INFO L93 Difference]: Finished difference Result 4391 states and 4653 transitions. [2020-10-19 22:31:27,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:31:27,543 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 234 [2020-10-19 22:31:27,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:31:27,544 INFO L225 Difference]: With dead ends: 4391 [2020-10-19 22:31:27,544 INFO L226 Difference]: Without dead ends: 0 [2020-10-19 22:31:27,549 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:31:27,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-19 22:31:27,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-19 22:31:27,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-19 22:31:27,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 22:31:27,550 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 234 [2020-10-19 22:31:27,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:31:27,550 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 22:31:27,550 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:31:27,550 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-19 22:31:27,551 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-19 22:31:27,551 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-19 22:31:27,553 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-19 22:31:27,740 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 30 [2020-10-19 22:31:27,845 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 30 [2020-10-19 22:31:27,851 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-19 22:31:27,851 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-19 22:31:27,851 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-19 22:31:27,851 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-19 22:31:27,851 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-19 22:31:27,851 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-19 22:31:27,851 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-19 22:31:27,852 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,852 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,852 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,852 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-19 22:31:27,853 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-19 22:31:27,853 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-19 22:31:27,853 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-19 22:31:27,853 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-19 22:31:27,853 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-19 22:31:27,854 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-19 22:31:27,854 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,854 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,854 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,854 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-19 22:31:27,854 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-19 22:31:27,854 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-19 22:31:27,854 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-19 22:31:27,855 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-19 22:31:27,855 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-19 22:31:27,855 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-19 22:31:27,855 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,855 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,855 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,855 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-19 22:31:27,855 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-19 22:31:27,856 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-19 22:31:27,856 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-19 22:31:27,856 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-19 22:31:27,856 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,856 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,856 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,856 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-19 22:31:27,856 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-19 22:31:27,856 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-19 22:31:27,857 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-19 22:31:27,857 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-19 22:31:27,857 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-19 22:31:27,857 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-19 22:31:27,857 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-19 22:31:27,857 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,857 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,857 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,858 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-19 22:31:27,858 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-19 22:31:27,858 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-19 22:31:27,858 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-19 22:31:27,858 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-19 22:31:27,858 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-19 22:31:27,858 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-19 22:31:27,858 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-19 22:31:27,858 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,859 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,859 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,859 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-19 22:31:27,859 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-19 22:31:27,859 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-19 22:31:27,859 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-19 22:31:27,859 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-19 22:31:27,859 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-19 22:31:27,860 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-19 22:31:27,860 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-19 22:31:27,860 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-19 22:31:27,860 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,860 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,860 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,860 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-19 22:31:27,860 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-19 22:31:27,860 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-19 22:31:27,861 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-19 22:31:27,861 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-19 22:31:27,861 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-19 22:31:27,861 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-19 22:31:27,861 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,861 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,861 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,861 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-19 22:31:27,861 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-19 22:31:27,862 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-19 22:31:27,862 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-19 22:31:27,862 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-19 22:31:27,862 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-19 22:31:27,862 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-19 22:31:27,862 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-19 22:31:27,862 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,862 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,862 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,863 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-19 22:31:27,863 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-19 22:31:27,863 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-19 22:31:27,863 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-19 22:31:27,863 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-19 22:31:27,863 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,863 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,863 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,863 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-19 22:31:27,864 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-19 22:31:27,864 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-19 22:31:27,864 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-19 22:31:27,864 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-19 22:31:27,864 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-19 22:31:27,864 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-19 22:31:27,864 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-19 22:31:27,864 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-19 22:31:27,865 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-19 22:31:27,865 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-19 22:31:27,865 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-19 22:31:27,865 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-19 22:31:27,865 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,865 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,865 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-19 22:31:27,865 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-19 22:31:27,866 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-19 22:31:27,866 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-19 22:31:27,866 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-19 22:31:27,866 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-19 22:31:27,866 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-19 22:31:27,866 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-19 22:31:27,866 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-19 22:31:27,866 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-19 22:31:27,867 INFO L270 CegarLoopResult]: At program point L599(lines 31 600) the Hoare annotation is: (let ((.cse0 (<= 9 ~a28~0)) (.cse6 (= ~a11~0 0)) (.cse5 (<= 8 ~a17~0)) (.cse7 (<= ~a28~0 7)) (.cse2 (= ~a19~0 1)) (.cse3 (= ~a21~0 1)) (.cse4 (= ~a17~0 8)) (.cse1 (= ~a11~0 1))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4 (= ~a28~0 10)) (and .cse5 .cse6) (and .cse0 .cse6) (and .cse5 .cse7 .cse1) (and (= ~a25~0 1) .cse7 .cse1) (and .cse2 .cse3 .cse4 .cse1))) [2020-10-19 22:31:27,867 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,867 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,867 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-19 22:31:27,867 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-19 22:31:27,868 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-19 22:31:27,868 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-19 22:31:27,868 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-19 22:31:27,868 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-19 22:31:27,868 INFO L277 CegarLoopResult]: At program point L602(lines 602 619) the Hoare annotation is: true [2020-10-19 22:31:27,868 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,868 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,868 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-19 22:31:27,868 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-19 22:31:27,869 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-19 22:31:27,869 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-19 22:31:27,869 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-19 22:31:27,869 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-19 22:31:27,869 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-19 22:31:27,869 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-19 22:31:27,869 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-19 22:31:27,869 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,870 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,870 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-19 22:31:27,870 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-19 22:31:27,870 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-19 22:31:27,870 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-19 22:31:27,870 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-19 22:31:27,870 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-19 22:31:27,871 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (let ((.cse0 (<= 9 ~a28~0)) (.cse6 (= ~a11~0 0)) (.cse5 (<= 8 ~a17~0)) (.cse7 (<= ~a28~0 7)) (.cse2 (= ~a19~0 1)) (.cse3 (= ~a21~0 1)) (.cse4 (= ~a17~0 8)) (.cse1 (= ~a11~0 1))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4 (= ~a28~0 10)) (and .cse5 .cse6) (and .cse0 .cse6) (and .cse5 .cse7 .cse1) (and (= ~a25~0 1) .cse7 .cse1) (and .cse2 .cse3 .cse4 .cse1))) [2020-10-19 22:31:27,871 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,871 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,871 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-19 22:31:27,871 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-19 22:31:27,871 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-19 22:31:27,871 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-19 22:31:27,871 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-19 22:31:27,871 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,872 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,872 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-19 22:31:27,872 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-19 22:31:27,872 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-19 22:31:27,872 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-19 22:31:27,872 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-19 22:31:27,872 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-19 22:31:27,872 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-19 22:31:27,872 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-19 22:31:27,872 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-19 22:31:27,873 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,873 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,873 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-19 22:31:27,873 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,873 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-19 22:31:27,873 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-19 22:31:27,873 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-19 22:31:27,873 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-19 22:31:27,873 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-19 22:31:27,874 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-19 22:31:27,874 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-19 22:31:27,874 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,874 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,874 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,874 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-19 22:31:27,874 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-19 22:31:27,874 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-19 22:31:27,874 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-19 22:31:27,874 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-19 22:31:27,875 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,875 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,875 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,875 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-19 22:31:27,875 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-19 22:31:27,875 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-19 22:31:27,875 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-19 22:31:27,875 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-19 22:31:27,875 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-19 22:31:27,876 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-19 22:31:27,876 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,876 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,876 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,876 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-19 22:31:27,876 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-19 22:31:27,876 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-19 22:31:27,876 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-19 22:31:27,876 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-19 22:31:27,877 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-19 22:31:27,877 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-19 22:31:27,877 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-19 22:31:27,877 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,877 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,877 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,877 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-19 22:31:27,877 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-19 22:31:27,878 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-19 22:31:27,878 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-19 22:31:27,878 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-19 22:31:27,878 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,878 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,878 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:27,878 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-19 22:31:27,878 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-19 22:31:27,878 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-19 22:31:27,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 10:31:27 BoogieIcfgContainer [2020-10-19 22:31:27,901 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 22:31:27,901 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 22:31:27,901 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 22:31:27,902 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 22:31:27,902 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:31:18" (3/4) ... [2020-10-19 22:31:27,907 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-19 22:31:27,929 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-19 22:31:27,931 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-19 22:31:27,932 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 22:31:27,933 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 22:31:28,085 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 22:31:28,085 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 22:31:28,087 INFO L168 Benchmark]: Toolchain (without parser) took 12195.23 ms. Allocated memory was 39.3 MB in the beginning and 126.4 MB in the end (delta: 87.0 MB). Free memory was 15.7 MB in the beginning and 43.5 MB in the end (delta: -27.7 MB). Peak memory consumption was 59.3 MB. Max. memory is 14.3 GB. [2020-10-19 22:31:28,087 INFO L168 Benchmark]: CDTParser took 0.73 ms. Allocated memory is still 30.9 MB. Free memory was 6.1 MB in the beginning and 6.1 MB in the end (delta: 43.3 kB). Peak memory consumption was 43.3 kB. Max. memory is 14.3 GB. [2020-10-19 22:31:28,088 INFO L168 Benchmark]: CACSL2BoogieTranslator took 737.24 ms. Allocated memory was 39.3 MB in the beginning and 42.5 MB in the end (delta: 3.1 MB). Free memory was 14.9 MB in the beginning and 13.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 6.7 MB. Max. memory is 14.3 GB. [2020-10-19 22:31:28,088 INFO L168 Benchmark]: Boogie Procedure Inliner took 127.74 ms. Allocated memory is still 42.5 MB. Free memory was 13.7 MB in the beginning and 22.9 MB in the end (delta: -9.2 MB). Peak memory consumption was 5.4 MB. Max. memory is 14.3 GB. [2020-10-19 22:31:28,089 INFO L168 Benchmark]: Boogie Preprocessor took 64.97 ms. Allocated memory is still 42.5 MB. Free memory was 22.9 MB in the beginning and 18.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 14.3 GB. [2020-10-19 22:31:28,089 INFO L168 Benchmark]: RCFGBuilder took 1652.89 ms. Allocated memory was 42.5 MB in the beginning and 53.0 MB in the end (delta: 10.5 MB). Free memory was 18.3 MB in the beginning and 28.2 MB in the end (delta: -9.9 MB). Peak memory consumption was 19.6 MB. Max. memory is 14.3 GB. [2020-10-19 22:31:28,090 INFO L168 Benchmark]: TraceAbstraction took 9417.47 ms. Allocated memory was 53.0 MB in the beginning and 126.4 MB in the end (delta: 73.4 MB). Free memory was 27.8 MB in the beginning and 62.6 MB in the end (delta: -34.9 MB). Peak memory consumption was 88.4 MB. Max. memory is 14.3 GB. [2020-10-19 22:31:28,090 INFO L168 Benchmark]: Witness Printer took 184.13 ms. Allocated memory is still 126.4 MB. Free memory was 62.6 MB in the beginning and 43.5 MB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 14.3 GB. [2020-10-19 22:31:28,094 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73 ms. Allocated memory is still 30.9 MB. Free memory was 6.1 MB in the beginning and 6.1 MB in the end (delta: 43.3 kB). Peak memory consumption was 43.3 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 737.24 ms. Allocated memory was 39.3 MB in the beginning and 42.5 MB in the end (delta: 3.1 MB). Free memory was 14.9 MB in the beginning and 13.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 6.7 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 127.74 ms. Allocated memory is still 42.5 MB. Free memory was 13.7 MB in the beginning and 22.9 MB in the end (delta: -9.2 MB). Peak memory consumption was 5.4 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 64.97 ms. Allocated memory is still 42.5 MB. Free memory was 22.9 MB in the beginning and 18.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1652.89 ms. Allocated memory was 42.5 MB in the beginning and 53.0 MB in the end (delta: 10.5 MB). Free memory was 18.3 MB in the beginning and 28.2 MB in the end (delta: -9.9 MB). Peak memory consumption was 19.6 MB. Max. memory is 14.3 GB. * TraceAbstraction took 9417.47 ms. Allocated memory was 53.0 MB in the beginning and 126.4 MB in the end (delta: 73.4 MB). Free memory was 27.8 MB in the beginning and 62.6 MB in the end (delta: -34.9 MB). Peak memory consumption was 88.4 MB. Max. memory is 14.3 GB. * Witness Printer took 184.13 ms. Allocated memory is still 126.4 MB. Free memory was 62.6 MB in the beginning and 43.5 MB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: 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: 608]: Loop Invariant Derived loop invariant: ((((((9 <= a28 && a11 == 1) || (((a19 == 1 && a21 == 1) && a17 == 8) && a28 == 10)) || (8 <= a17 && a11 == 0)) || (9 <= a28 && a11 == 0)) || ((8 <= a17 && a28 <= 7) && a11 == 1)) || ((a25 == 1 && a28 <= 7) && a11 == 1)) || (((a19 == 1 && a21 == 1) && a17 == 8) && a11 == 1) - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: ((((((9 <= a28 && a11 == 1) || (((a19 == 1 && a21 == 1) && a17 == 8) && a28 == 10)) || (8 <= a17 && a11 == 0)) || (9 <= a28 && a11 == 0)) || ((8 <= a17 && a28 <= 7) && a11 == 1)) || ((a25 == 1 && a28 <= 7) && a11 == 1)) || (((a19 == 1 && a21 == 1) && a17 == 8) && a11 == 1) - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 228 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 8.9s, OverallIterations: 9, TraceHistogramMax: 5, AutomataDifference: 6.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1296 SDtfs, 1397 SDslu, 180 SDs, 0 SdLazy, 3683 SolverSat, 759 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2849occurred 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, 916 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 59 NumberOfFragments, 137 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1994 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 102 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1245 NumberOfCodeBlocks, 1245 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1236 ConstructedInterpolants, 0 QuantifiedInterpolants, 403989 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 552/552 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...