./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem14_label23.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/Problem14_label23.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 464b2e8329403712481b287e3a9f06e51110486a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 23:28:04,352 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 23:28:04,355 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 23:28:04,381 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 23:28:04,382 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 23:28:04,383 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 23:28:04,384 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 23:28:04,386 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 23:28:04,388 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 23:28:04,389 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 23:28:04,390 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 23:28:04,391 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 23:28:04,392 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 23:28:04,393 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 23:28:04,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 23:28:04,406 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 23:28:04,409 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 23:28:04,411 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 23:28:04,416 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 23:28:04,419 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 23:28:04,423 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 23:28:04,426 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 23:28:04,427 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 23:28:04,430 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 23:28:04,434 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 23:28:04,435 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 23:28:04,436 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 23:28:04,437 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 23:28:04,439 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 23:28:04,440 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 23:28:04,440 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 23:28:04,441 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 23:28:04,442 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 23:28:04,443 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 23:28:04,452 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 23:28:04,453 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 23:28:04,454 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 23:28:04,457 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 23:28:04,457 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 23:28:04,459 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 23:28:04,460 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 23:28:04,462 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-19 23:28:04,507 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 23:28:04,507 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 23:28:04,510 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 23:28:04,510 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 23:28:04,511 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 23:28:04,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 23:28:04,511 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 23:28:04,512 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 23:28:04,512 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 23:28:04,512 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 23:28:04,513 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 23:28:04,514 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 23:28:04,514 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 23:28:04,515 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 23:28:04,515 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 23:28:04,515 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 23:28:04,515 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 23:28:04,516 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 23:28:04,516 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 23:28:04,516 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 23:28:04,516 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 23:28:04,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 23:28:04,517 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 23:28:04,517 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 23:28:04,518 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 23:28:04,518 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 23:28:04,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 23:28:04,518 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 23:28:04,518 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 23:28:04,519 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 -> 464b2e8329403712481b287e3a9f06e51110486a [2020-10-19 23:28:04,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 23:28:04,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 23:28:04,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 23:28:04,760 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 23:28:04,761 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 23:28:04,762 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem14_label23.c [2020-10-19 23:28:04,835 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc07898cd/dff9c93951ad41aa8b332dc64c3d7036/FLAG954af4c96 [2020-10-19 23:28:05,478 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 23:28:05,484 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem14_label23.c [2020-10-19 23:28:05,504 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc07898cd/dff9c93951ad41aa8b332dc64c3d7036/FLAG954af4c96 [2020-10-19 23:28:05,687 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc07898cd/dff9c93951ad41aa8b332dc64c3d7036 [2020-10-19 23:28:05,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 23:28:05,699 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 23:28:05,702 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 23:28:05,703 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 23:28:05,706 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 23:28:05,707 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 11:28:05" (1/1) ... [2020-10-19 23:28:05,711 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7af78815 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:28:05, skipping insertion in model container [2020-10-19 23:28:05,712 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 11:28:05" (1/1) ... [2020-10-19 23:28:05,721 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 23:28:05,787 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 23:28:06,586 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 23:28:06,604 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 23:28:06,763 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 23:28:06,784 INFO L208 MainTranslator]: Completed translation [2020-10-19 23:28:06,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:28:06 WrapperNode [2020-10-19 23:28:06,785 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 23:28:06,786 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 23:28:06,786 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 23:28:06,787 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 23:28:06,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:28:06" (1/1) ... [2020-10-19 23:28:06,820 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:28:06" (1/1) ... [2020-10-19 23:28:06,931 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 23:28:06,931 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 23:28:06,932 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 23:28:06,932 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 23:28:06,943 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:28:06" (1/1) ... [2020-10-19 23:28:06,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:28:06" (1/1) ... [2020-10-19 23:28:06,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:28:06" (1/1) ... [2020-10-19 23:28:06,954 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:28:06" (1/1) ... [2020-10-19 23:28:06,985 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:28:06" (1/1) ... [2020-10-19 23:28:06,997 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:28:06" (1/1) ... [2020-10-19 23:28:07,007 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:28:06" (1/1) ... [2020-10-19 23:28:07,021 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 23:28:07,021 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 23:28:07,023 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 23:28:07,023 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 23:28:07,024 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:28:06" (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 23:28:07,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 23:28:07,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 23:28:07,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 23:28:07,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 23:28:08,715 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 23:28:08,716 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-19 23:28:08,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:28:08 BoogieIcfgContainer [2020-10-19 23:28:08,718 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 23:28:08,720 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 23:28:08,720 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 23:28:08,724 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 23:28:08,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 11:28:05" (1/3) ... [2020-10-19 23:28:08,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@811c9e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 11:28:08, skipping insertion in model container [2020-10-19 23:28:08,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:28:06" (2/3) ... [2020-10-19 23:28:08,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@811c9e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 11:28:08, skipping insertion in model container [2020-10-19 23:28:08,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:28:08" (3/3) ... [2020-10-19 23:28:08,729 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label23.c [2020-10-19 23:28:08,744 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 23:28:08,754 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-19 23:28:08,771 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-19 23:28:08,805 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 23:28:08,806 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 23:28:08,806 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 23:28:08,807 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 23:28:08,807 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 23:28:08,807 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 23:28:08,807 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 23:28:08,808 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 23:28:08,833 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states. [2020-10-19 23:28:08,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-19 23:28:08,842 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:28:08,844 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] [2020-10-19 23:28:08,845 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:28:08,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:28:08,852 INFO L82 PathProgramCache]: Analyzing trace with hash -1317301102, now seen corresponding path program 1 times [2020-10-19 23:28:08,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:28:08,866 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238420169] [2020-10-19 23:28:08,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:28:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:28:09,116 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 23:28:09,117 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238420169] [2020-10-19 23:28:09,118 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:28:09,119 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:28:09,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867652429] [2020-10-19 23:28:09,126 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:28:09,127 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:28:09,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:28:09,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:28:09,145 INFO L87 Difference]: Start difference. First operand 246 states. Second operand 3 states. [2020-10-19 23:28:10,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:28:10,353 INFO L93 Difference]: Finished difference Result 670 states and 1201 transitions. [2020-10-19 23:28:10,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:28:10,356 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2020-10-19 23:28:10,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:28:10,374 INFO L225 Difference]: With dead ends: 670 [2020-10-19 23:28:10,374 INFO L226 Difference]: Without dead ends: 360 [2020-10-19 23:28:10,380 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 23:28:10,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-10-19 23:28:10,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2020-10-19 23:28:10,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-10-19 23:28:10,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 588 transitions. [2020-10-19 23:28:10,457 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 588 transitions. Word has length 32 [2020-10-19 23:28:10,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:28:10,458 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 588 transitions. [2020-10-19 23:28:10,458 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:28:10,458 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 588 transitions. [2020-10-19 23:28:10,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-19 23:28:10,462 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:28:10,463 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] [2020-10-19 23:28:10,463 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-19 23:28:10,463 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:28:10,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:28:10,464 INFO L82 PathProgramCache]: Analyzing trace with hash 1061625674, now seen corresponding path program 1 times [2020-10-19 23:28:10,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:28:10,465 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923738994] [2020-10-19 23:28:10,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:28:10,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:28:10,686 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 23:28:10,687 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923738994] [2020-10-19 23:28:10,688 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:28:10,688 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:28:10,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601098974] [2020-10-19 23:28:10,690 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:28:10,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:28:10,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:28:10,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:28:10,692 INFO L87 Difference]: Start difference. First operand 360 states and 588 transitions. Second operand 3 states. [2020-10-19 23:28:11,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:28:11,621 INFO L93 Difference]: Finished difference Result 1076 states and 1760 transitions. [2020-10-19 23:28:11,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:28:11,622 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2020-10-19 23:28:11,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:28:11,629 INFO L225 Difference]: With dead ends: 1076 [2020-10-19 23:28:11,629 INFO L226 Difference]: Without dead ends: 718 [2020-10-19 23:28:11,632 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 23:28:11,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2020-10-19 23:28:11,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 716. [2020-10-19 23:28:11,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 716 states. [2020-10-19 23:28:11,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 1017 transitions. [2020-10-19 23:28:11,705 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 1017 transitions. Word has length 97 [2020-10-19 23:28:11,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:28:11,706 INFO L481 AbstractCegarLoop]: Abstraction has 716 states and 1017 transitions. [2020-10-19 23:28:11,706 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:28:11,707 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 1017 transitions. [2020-10-19 23:28:11,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-10-19 23:28:11,713 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:28:11,714 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] [2020-10-19 23:28:11,714 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-19 23:28:11,714 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:28:11,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:28:11,715 INFO L82 PathProgramCache]: Analyzing trace with hash -1786830111, now seen corresponding path program 1 times [2020-10-19 23:28:11,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:28:11,715 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917611800] [2020-10-19 23:28:11,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:28:11,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:28:11,800 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 23:28:11,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917611800] [2020-10-19 23:28:11,801 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:28:11,801 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:28:11,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774347788] [2020-10-19 23:28:11,802 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:28:11,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:28:11,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:28:11,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:28:11,803 INFO L87 Difference]: Start difference. First operand 716 states and 1017 transitions. Second operand 3 states. [2020-10-19 23:28:12,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:28:12,749 INFO L93 Difference]: Finished difference Result 1608 states and 2324 transitions. [2020-10-19 23:28:12,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:28:12,750 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2020-10-19 23:28:12,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:28:12,755 INFO L225 Difference]: With dead ends: 1608 [2020-10-19 23:28:12,755 INFO L226 Difference]: Without dead ends: 894 [2020-10-19 23:28:12,757 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 23:28:12,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2020-10-19 23:28:12,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 894. [2020-10-19 23:28:12,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2020-10-19 23:28:12,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1189 transitions. [2020-10-19 23:28:12,779 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1189 transitions. Word has length 98 [2020-10-19 23:28:12,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:28:12,780 INFO L481 AbstractCegarLoop]: Abstraction has 894 states and 1189 transitions. [2020-10-19 23:28:12,780 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:28:12,780 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1189 transitions. [2020-10-19 23:28:12,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-10-19 23:28:12,782 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:28:12,783 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] [2020-10-19 23:28:12,783 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-19 23:28:12,783 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:28:12,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:28:12,784 INFO L82 PathProgramCache]: Analyzing trace with hash 634828736, now seen corresponding path program 1 times [2020-10-19 23:28:12,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:28:12,784 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944280835] [2020-10-19 23:28:12,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:28:12,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:28:12,962 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 23:28:12,962 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944280835] [2020-10-19 23:28:12,963 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:28:12,963 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:28:12,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742218333] [2020-10-19 23:28:12,965 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:28:12,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:28:12,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:28:12,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:28:12,966 INFO L87 Difference]: Start difference. First operand 894 states and 1189 transitions. Second operand 4 states. [2020-10-19 23:28:14,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:28:14,365 INFO L93 Difference]: Finished difference Result 2144 states and 2782 transitions. [2020-10-19 23:28:14,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 23:28:14,366 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 101 [2020-10-19 23:28:14,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:28:14,376 INFO L225 Difference]: With dead ends: 2144 [2020-10-19 23:28:14,376 INFO L226 Difference]: Without dead ends: 1252 [2020-10-19 23:28:14,378 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:28:14,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1252 states. [2020-10-19 23:28:14,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1252 to 1250. [2020-10-19 23:28:14,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1250 states. [2020-10-19 23:28:14,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1570 transitions. [2020-10-19 23:28:14,415 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1570 transitions. Word has length 101 [2020-10-19 23:28:14,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:28:14,416 INFO L481 AbstractCegarLoop]: Abstraction has 1250 states and 1570 transitions. [2020-10-19 23:28:14,416 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:28:14,416 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1570 transitions. [2020-10-19 23:28:14,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-10-19 23:28:14,424 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:28:14,425 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] [2020-10-19 23:28:14,425 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-19 23:28:14,426 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:28:14,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:28:14,426 INFO L82 PathProgramCache]: Analyzing trace with hash 674228702, now seen corresponding path program 1 times [2020-10-19 23:28:14,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:28:14,427 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640106200] [2020-10-19 23:28:14,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:28:14,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:28:14,614 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 23:28:14,614 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640106200] [2020-10-19 23:28:14,615 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:28:14,615 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:28:14,615 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086534151] [2020-10-19 23:28:14,617 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:28:14,617 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:28:14,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:28:14,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:28:14,619 INFO L87 Difference]: Start difference. First operand 1250 states and 1570 transitions. Second operand 4 states. [2020-10-19 23:28:15,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:28:15,657 INFO L93 Difference]: Finished difference Result 2885 states and 3573 transitions. [2020-10-19 23:28:15,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 23:28:15,658 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 112 [2020-10-19 23:28:15,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:28:15,666 INFO L225 Difference]: With dead ends: 2885 [2020-10-19 23:28:15,666 INFO L226 Difference]: Without dead ends: 1608 [2020-10-19 23:28:15,668 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:28:15,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1608 states. [2020-10-19 23:28:15,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1608 to 1606. [2020-10-19 23:28:15,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1606 states. [2020-10-19 23:28:15,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 1816 transitions. [2020-10-19 23:28:15,704 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 1816 transitions. Word has length 112 [2020-10-19 23:28:15,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:28:15,705 INFO L481 AbstractCegarLoop]: Abstraction has 1606 states and 1816 transitions. [2020-10-19 23:28:15,705 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:28:15,705 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 1816 transitions. [2020-10-19 23:28:15,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-10-19 23:28:15,708 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:28:15,708 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:28:15,708 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-19 23:28:15,709 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:28:15,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:28:15,709 INFO L82 PathProgramCache]: Analyzing trace with hash -1056457492, now seen corresponding path program 1 times [2020-10-19 23:28:15,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:28:15,710 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386212041] [2020-10-19 23:28:15,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:28:15,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:28:15,861 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:28:15,861 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386212041] [2020-10-19 23:28:15,862 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:28:15,862 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:28:15,862 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124513388] [2020-10-19 23:28:15,863 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:28:15,863 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:28:15,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:28:15,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:28:15,864 INFO L87 Difference]: Start difference. First operand 1606 states and 1816 transitions. Second operand 3 states. [2020-10-19 23:28:16,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:28:16,625 INFO L93 Difference]: Finished difference Result 3922 states and 4494 transitions. [2020-10-19 23:28:16,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:28:16,626 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 206 [2020-10-19 23:28:16,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:28:16,637 INFO L225 Difference]: With dead ends: 3922 [2020-10-19 23:28:16,638 INFO L226 Difference]: Without dead ends: 2318 [2020-10-19 23:28:16,641 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 23:28:16,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2318 states. [2020-10-19 23:28:16,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2318 to 2140. [2020-10-19 23:28:16,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2140 states. [2020-10-19 23:28:16,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2390 transitions. [2020-10-19 23:28:16,697 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2390 transitions. Word has length 206 [2020-10-19 23:28:16,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:28:16,697 INFO L481 AbstractCegarLoop]: Abstraction has 2140 states and 2390 transitions. [2020-10-19 23:28:16,697 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:28:16,698 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2390 transitions. [2020-10-19 23:28:16,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2020-10-19 23:28:16,702 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:28:16,702 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:28:16,703 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-19 23:28:16,703 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:28:16,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:28:16,703 INFO L82 PathProgramCache]: Analyzing trace with hash -1064146905, now seen corresponding path program 1 times [2020-10-19 23:28:16,704 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:28:16,704 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283833539] [2020-10-19 23:28:16,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:28:16,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:28:17,182 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2020-10-19 23:28:17,183 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283833539] [2020-10-19 23:28:17,184 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:28:17,184 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:28:17,185 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850416527] [2020-10-19 23:28:17,186 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:28:17,186 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:28:17,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:28:17,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:28:17,188 INFO L87 Difference]: Start difference. First operand 2140 states and 2390 transitions. Second operand 4 states. [2020-10-19 23:28:18,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:28:18,360 INFO L93 Difference]: Finished difference Result 4336 states and 4860 transitions. [2020-10-19 23:28:18,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 23:28:18,361 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 323 [2020-10-19 23:28:18,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:28:18,376 INFO L225 Difference]: With dead ends: 4336 [2020-10-19 23:28:18,376 INFO L226 Difference]: Without dead ends: 2318 [2020-10-19 23:28:18,380 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:28:18,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2318 states. [2020-10-19 23:28:18,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2318 to 2140. [2020-10-19 23:28:18,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2140 states. [2020-10-19 23:28:18,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2305 transitions. [2020-10-19 23:28:18,453 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2305 transitions. Word has length 323 [2020-10-19 23:28:18,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:28:18,456 INFO L481 AbstractCegarLoop]: Abstraction has 2140 states and 2305 transitions. [2020-10-19 23:28:18,457 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:28:18,457 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2305 transitions. [2020-10-19 23:28:18,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2020-10-19 23:28:18,468 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:28:18,468 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2020-10-19 23:28:18,469 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-19 23:28:18,469 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:28:18,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:28:18,470 INFO L82 PathProgramCache]: Analyzing trace with hash 1266104268, now seen corresponding path program 1 times [2020-10-19 23:28:18,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:28:18,471 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741732193] [2020-10-19 23:28:18,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:28:18,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:28:18,905 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 325 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-10-19 23:28:18,906 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741732193] [2020-10-19 23:28:18,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:28:18,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:28:18,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991868119] [2020-10-19 23:28:18,907 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:28:18,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:28:18,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:28:18,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:28:18,908 INFO L87 Difference]: Start difference. First operand 2140 states and 2305 transitions. Second operand 3 states. [2020-10-19 23:28:19,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:28:19,659 INFO L93 Difference]: Finished difference Result 4456 states and 4866 transitions. [2020-10-19 23:28:19,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:28:19,660 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 418 [2020-10-19 23:28:19,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:28:19,671 INFO L225 Difference]: With dead ends: 4456 [2020-10-19 23:28:19,672 INFO L226 Difference]: Without dead ends: 2496 [2020-10-19 23:28:19,675 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 23:28:19,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2496 states. [2020-10-19 23:28:19,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2496 to 1962. [2020-10-19 23:28:19,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1962 states. [2020-10-19 23:28:19,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 2113 transitions. [2020-10-19 23:28:19,718 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 2113 transitions. Word has length 418 [2020-10-19 23:28:19,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:28:19,721 INFO L481 AbstractCegarLoop]: Abstraction has 1962 states and 2113 transitions. [2020-10-19 23:28:19,722 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:28:19,722 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2113 transitions. [2020-10-19 23:28:19,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2020-10-19 23:28:19,729 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:28:19,730 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:28:19,730 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-19 23:28:19,730 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:28:19,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:28:19,731 INFO L82 PathProgramCache]: Analyzing trace with hash -534362359, now seen corresponding path program 1 times [2020-10-19 23:28:19,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:28:19,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968268514] [2020-10-19 23:28:19,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:28:19,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:28:20,106 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 325 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-10-19 23:28:20,106 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968268514] [2020-10-19 23:28:20,107 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:28:20,107 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:28:20,111 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164824480] [2020-10-19 23:28:20,112 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:28:20,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:28:20,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:28:20,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:28:20,114 INFO L87 Difference]: Start difference. First operand 1962 states and 2113 transitions. Second operand 3 states. [2020-10-19 23:28:20,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:28:20,951 INFO L93 Difference]: Finished difference Result 4456 states and 4867 transitions. [2020-10-19 23:28:20,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:28:20,952 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 425 [2020-10-19 23:28:20,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:28:20,966 INFO L225 Difference]: With dead ends: 4456 [2020-10-19 23:28:20,966 INFO L226 Difference]: Without dead ends: 2674 [2020-10-19 23:28:20,970 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 23:28:20,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2020-10-19 23:28:21,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2496. [2020-10-19 23:28:21,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2496 states. [2020-10-19 23:28:21,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2496 states and 2664 transitions. [2020-10-19 23:28:21,015 INFO L78 Accepts]: Start accepts. Automaton has 2496 states and 2664 transitions. Word has length 425 [2020-10-19 23:28:21,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:28:21,017 INFO L481 AbstractCegarLoop]: Abstraction has 2496 states and 2664 transitions. [2020-10-19 23:28:21,017 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:28:21,017 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 2664 transitions. [2020-10-19 23:28:21,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 581 [2020-10-19 23:28:21,032 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:28:21,033 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2020-10-19 23:28:21,033 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-19 23:28:21,034 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:28:21,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:28:21,034 INFO L82 PathProgramCache]: Analyzing trace with hash -1304917472, now seen corresponding path program 1 times [2020-10-19 23:28:21,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:28:21,035 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115608790] [2020-10-19 23:28:21,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:28:21,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:28:21,546 INFO L134 CoverageAnalysis]: Checked inductivity of 1061 backedges. 424 proven. 0 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked. [2020-10-19 23:28:21,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115608790] [2020-10-19 23:28:21,548 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:28:21,549 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:28:21,550 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235504420] [2020-10-19 23:28:21,551 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:28:21,552 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:28:21,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:28:21,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:28:21,552 INFO L87 Difference]: Start difference. First operand 2496 states and 2664 transitions. Second operand 3 states. [2020-10-19 23:28:22,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:28:22,331 INFO L93 Difference]: Finished difference Result 5524 states and 5977 transitions. [2020-10-19 23:28:22,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:28:22,334 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 580 [2020-10-19 23:28:22,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:28:22,349 INFO L225 Difference]: With dead ends: 5524 [2020-10-19 23:28:22,350 INFO L226 Difference]: Without dead ends: 3208 [2020-10-19 23:28:22,353 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 23:28:22,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3208 states. [2020-10-19 23:28:22,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3208 to 3030. [2020-10-19 23:28:22,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3030 states. [2020-10-19 23:28:22,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3030 states to 3030 states and 3230 transitions. [2020-10-19 23:28:22,624 INFO L78 Accepts]: Start accepts. Automaton has 3030 states and 3230 transitions. Word has length 580 [2020-10-19 23:28:22,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:28:22,625 INFO L481 AbstractCegarLoop]: Abstraction has 3030 states and 3230 transitions. [2020-10-19 23:28:22,626 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:28:22,626 INFO L276 IsEmpty]: Start isEmpty. Operand 3030 states and 3230 transitions. [2020-10-19 23:28:22,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2020-10-19 23:28:22,630 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:28:22,631 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2020-10-19 23:28:22,631 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-19 23:28:22,632 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:28:22,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:28:22,632 INFO L82 PathProgramCache]: Analyzing trace with hash -1835669971, now seen corresponding path program 1 times [2020-10-19 23:28:22,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:28:22,633 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611412748] [2020-10-19 23:28:22,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:28:22,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:28:23,154 INFO L134 CoverageAnalysis]: Checked inductivity of 1061 backedges. 717 proven. 0 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2020-10-19 23:28:23,155 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611412748] [2020-10-19 23:28:23,155 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:28:23,155 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:28:23,155 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331749659] [2020-10-19 23:28:23,156 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:28:23,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:28:23,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:28:23,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:28:23,157 INFO L87 Difference]: Start difference. First operand 3030 states and 3230 transitions. Second operand 3 states. [2020-10-19 23:28:24,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:28:24,021 INFO L93 Difference]: Finished difference Result 6592 states and 7101 transitions. [2020-10-19 23:28:24,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:28:24,023 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 598 [2020-10-19 23:28:24,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:28:24,040 INFO L225 Difference]: With dead ends: 6592 [2020-10-19 23:28:24,040 INFO L226 Difference]: Without dead ends: 3742 [2020-10-19 23:28:24,045 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 23:28:24,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2020-10-19 23:28:24,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3386. [2020-10-19 23:28:24,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2020-10-19 23:28:24,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3622 transitions. [2020-10-19 23:28:24,101 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3622 transitions. Word has length 598 [2020-10-19 23:28:24,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:28:24,102 INFO L481 AbstractCegarLoop]: Abstraction has 3386 states and 3622 transitions. [2020-10-19 23:28:24,102 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:28:24,103 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3622 transitions. [2020-10-19 23:28:24,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 622 [2020-10-19 23:28:24,108 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:28:24,109 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:28:24,109 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-19 23:28:24,110 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:28:24,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:28:24,110 INFO L82 PathProgramCache]: Analyzing trace with hash -892353197, now seen corresponding path program 1 times [2020-10-19 23:28:24,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:28:24,111 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707730325] [2020-10-19 23:28:24,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:28:24,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:28:24,841 INFO L134 CoverageAnalysis]: Checked inductivity of 1216 backedges. 792 proven. 110 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-10-19 23:28:24,841 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707730325] [2020-10-19 23:28:24,842 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [572057901] [2020-10-19 23:28:24,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:28:25,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:28:25,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 802 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:28:25,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:28:25,435 INFO L134 CoverageAnalysis]: Checked inductivity of 1216 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 1067 trivial. 0 not checked. [2020-10-19 23:28:25,436 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:28:25,436 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-10-19 23:28:25,437 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474785499] [2020-10-19 23:28:25,438 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:28:25,438 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:28:25,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:28:25,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:28:25,439 INFO L87 Difference]: Start difference. First operand 3386 states and 3622 transitions. Second operand 3 states. [2020-10-19 23:28:26,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:28:26,146 INFO L93 Difference]: Finished difference Result 7660 states and 8182 transitions. [2020-10-19 23:28:26,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:28:26,147 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 621 [2020-10-19 23:28:26,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:28:26,166 INFO L225 Difference]: With dead ends: 7660 [2020-10-19 23:28:26,167 INFO L226 Difference]: Without dead ends: 3564 [2020-10-19 23:28:26,172 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 624 GetRequests, 621 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:28:26,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3564 states. [2020-10-19 23:28:26,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3564 to 3386. [2020-10-19 23:28:26,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2020-10-19 23:28:26,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3600 transitions. [2020-10-19 23:28:26,242 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3600 transitions. Word has length 621 [2020-10-19 23:28:26,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:28:26,244 INFO L481 AbstractCegarLoop]: Abstraction has 3386 states and 3600 transitions. [2020-10-19 23:28:26,244 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:28:26,244 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3600 transitions. [2020-10-19 23:28:26,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 769 [2020-10-19 23:28:26,255 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:28:26,256 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 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 23:28:26,470 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-10-19 23:28:26,471 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:28:26,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:28:26,471 INFO L82 PathProgramCache]: Analyzing trace with hash -1280494018, now seen corresponding path program 1 times [2020-10-19 23:28:26,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:28:26,472 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807947397] [2020-10-19 23:28:26,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:28:26,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:28:27,489 INFO L134 CoverageAnalysis]: Checked inductivity of 1703 backedges. 1204 proven. 155 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2020-10-19 23:28:27,489 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807947397] [2020-10-19 23:28:27,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1858684599] [2020-10-19 23:28:27,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:28:27,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:28:27,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 974 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:28:27,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:28:28,792 INFO L134 CoverageAnalysis]: Checked inductivity of 1703 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 1524 trivial. 0 not checked. [2020-10-19 23:28:28,793 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:28:28,794 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-10-19 23:28:28,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50270429] [2020-10-19 23:28:28,796 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:28:28,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:28:28,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:28:28,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:28:28,798 INFO L87 Difference]: Start difference. First operand 3386 states and 3600 transitions. Second operand 3 states. [2020-10-19 23:28:29,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:28:29,548 INFO L93 Difference]: Finished difference Result 4278 states and 4538 transitions. [2020-10-19 23:28:29,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:28:29,548 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 768 [2020-10-19 23:28:29,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:28:29,589 INFO L225 Difference]: With dead ends: 4278 [2020-10-19 23:28:29,590 INFO L226 Difference]: Without dead ends: 4276 [2020-10-19 23:28:29,592 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 771 GetRequests, 768 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:28:29,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4276 states. [2020-10-19 23:28:29,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4276 to 3386. [2020-10-19 23:28:29,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2020-10-19 23:28:29,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3599 transitions. [2020-10-19 23:28:29,652 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3599 transitions. Word has length 768 [2020-10-19 23:28:29,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:28:29,653 INFO L481 AbstractCegarLoop]: Abstraction has 3386 states and 3599 transitions. [2020-10-19 23:28:29,653 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:28:29,654 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3599 transitions. [2020-10-19 23:28:29,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 800 [2020-10-19 23:28:29,667 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:28:29,668 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:28:29,881 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-10-19 23:28:29,882 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:28:29,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:28:29,882 INFO L82 PathProgramCache]: Analyzing trace with hash -822710306, now seen corresponding path program 1 times [2020-10-19 23:28:29,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:28:29,883 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328383997] [2020-10-19 23:28:29,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:28:29,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:28:30,862 INFO L134 CoverageAnalysis]: Checked inductivity of 2229 backedges. 1675 proven. 110 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2020-10-19 23:28:30,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328383997] [2020-10-19 23:28:30,864 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [842840439] [2020-10-19 23:28:30,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:28:31,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:28:31,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 1026 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:28:31,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:28:31,424 INFO L134 CoverageAnalysis]: Checked inductivity of 2229 backedges. 209 proven. 0 refuted. 0 times theorem prover too weak. 2020 trivial. 0 not checked. [2020-10-19 23:28:31,424 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:28:31,425 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-10-19 23:28:31,425 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239924738] [2020-10-19 23:28:31,426 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:28:31,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:28:31,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:28:31,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:28:31,427 INFO L87 Difference]: Start difference. First operand 3386 states and 3599 transitions. Second operand 3 states. [2020-10-19 23:28:32,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:28:32,158 INFO L93 Difference]: Finished difference Result 7302 states and 7812 transitions. [2020-10-19 23:28:32,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:28:32,158 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 799 [2020-10-19 23:28:32,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:28:32,160 INFO L225 Difference]: With dead ends: 7302 [2020-10-19 23:28:32,160 INFO L226 Difference]: Without dead ends: 0 [2020-10-19 23:28:32,168 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 802 GetRequests, 799 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:28:32,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-19 23:28:32,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-19 23:28:32,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-19 23:28:32,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 23:28:32,169 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 799 [2020-10-19 23:28:32,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:28:32,170 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 23:28:32,170 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:28:32,170 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-19 23:28:32,170 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-19 23:28:32,385 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-10-19 23:28:32,389 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-19 23:28:32,632 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 35 [2020-10-19 23:28:32,776 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 35 [2020-10-19 23:28:32,780 INFO L274 CegarLoopResult]: For program point L696(lines 696 872) no Hoare annotation was computed. [2020-10-19 23:28:32,781 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-19 23:28:32,781 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-19 23:28:32,781 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-19 23:28:32,781 INFO L274 CegarLoopResult]: For program point L301(lines 301 872) no Hoare annotation was computed. [2020-10-19 23:28:32,781 INFO L274 CegarLoopResult]: For program point L434(lines 434 872) no Hoare annotation was computed. [2020-10-19 23:28:32,781 INFO L274 CegarLoopResult]: For program point L368(lines 368 872) no Hoare annotation was computed. [2020-10-19 23:28:32,781 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,782 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,782 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,782 INFO L274 CegarLoopResult]: For program point L237(lines 237 872) no Hoare annotation was computed. [2020-10-19 23:28:32,782 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-19 23:28:32,782 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-19 23:28:32,782 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-19 23:28:32,782 INFO L274 CegarLoopResult]: For program point L766(lines 766 872) no Hoare annotation was computed. [2020-10-19 23:28:32,782 INFO L274 CegarLoopResult]: For program point L634(lines 634 872) no Hoare annotation was computed. [2020-10-19 23:28:32,782 INFO L274 CegarLoopResult]: For program point L502(lines 502 872) no Hoare annotation was computed. [2020-10-19 23:28:32,782 INFO L274 CegarLoopResult]: For program point L833(lines 833 872) no Hoare annotation was computed. [2020-10-19 23:28:32,783 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,783 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,783 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,783 INFO L274 CegarLoopResult]: For program point L702(lines 702 872) no Hoare annotation was computed. [2020-10-19 23:28:32,784 INFO L274 CegarLoopResult]: For program point L570(lines 570 872) no Hoare annotation was computed. [2020-10-19 23:28:32,784 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-19 23:28:32,784 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-19 23:28:32,784 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-19 23:28:32,785 INFO L274 CegarLoopResult]: For program point L307(lines 307 872) no Hoare annotation was computed. [2020-10-19 23:28:32,785 INFO L274 CegarLoopResult]: For program point L440(lines 440 872) no Hoare annotation was computed. [2020-10-19 23:28:32,785 INFO L274 CegarLoopResult]: For program point L374(lines 374 872) no Hoare annotation was computed. [2020-10-19 23:28:32,785 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,785 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,785 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,786 INFO L274 CegarLoopResult]: For program point L243(lines 243 872) no Hoare annotation was computed. [2020-10-19 23:28:32,786 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-19 23:28:32,786 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-19 23:28:32,787 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-19 23:28:32,788 INFO L274 CegarLoopResult]: For program point L640(lines 640 872) no Hoare annotation was computed. [2020-10-19 23:28:32,788 INFO L274 CegarLoopResult]: For program point L508(lines 508 872) no Hoare annotation was computed. [2020-10-19 23:28:32,788 INFO L274 CegarLoopResult]: For program point L839(lines 839 872) no Hoare annotation was computed. [2020-10-19 23:28:32,789 INFO L274 CegarLoopResult]: For program point L773(lines 773 872) no Hoare annotation was computed. [2020-10-19 23:28:32,789 INFO L274 CegarLoopResult]: For program point L575(lines 575 872) no Hoare annotation was computed. [2020-10-19 23:28:32,789 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,790 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,790 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,790 INFO L274 CegarLoopResult]: For program point L708(lines 708 872) no Hoare annotation was computed. [2020-10-19 23:28:32,790 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-19 23:28:32,790 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-19 23:28:32,791 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-19 23:28:32,791 INFO L274 CegarLoopResult]: For program point L313(lines 313 872) no Hoare annotation was computed. [2020-10-19 23:28:32,791 INFO L274 CegarLoopResult]: For program point L446(lines 446 872) no Hoare annotation was computed. [2020-10-19 23:28:32,791 INFO L274 CegarLoopResult]: For program point L380(lines 380 872) no Hoare annotation was computed. [2020-10-19 23:28:32,791 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,792 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,792 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,792 INFO L274 CegarLoopResult]: For program point L249(lines 249 872) no Hoare annotation was computed. [2020-10-19 23:28:32,792 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-19 23:28:32,792 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-19 23:28:32,793 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-19 23:28:32,793 INFO L274 CegarLoopResult]: For program point L844(lines 844 872) no Hoare annotation was computed. [2020-10-19 23:28:32,793 INFO L274 CegarLoopResult]: For program point L646(lines 646 872) no Hoare annotation was computed. [2020-10-19 23:28:32,793 INFO L274 CegarLoopResult]: For program point L514(lines 514 872) no Hoare annotation was computed. [2020-10-19 23:28:32,793 INFO L274 CegarLoopResult]: For program point L779(lines 779 872) no Hoare annotation was computed. [2020-10-19 23:28:32,794 INFO L274 CegarLoopResult]: For program point L581(lines 581 872) no Hoare annotation was computed. [2020-10-19 23:28:32,794 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,794 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,794 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,794 INFO L274 CegarLoopResult]: For program point L714(lines 714 872) no Hoare annotation was computed. [2020-10-19 23:28:32,795 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-19 23:28:32,795 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-19 23:28:32,795 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-19 23:28:32,795 INFO L274 CegarLoopResult]: For program point L451(lines 451 872) no Hoare annotation was computed. [2020-10-19 23:28:32,796 INFO L274 CegarLoopResult]: For program point L319(lines 319 872) no Hoare annotation was computed. [2020-10-19 23:28:32,796 INFO L274 CegarLoopResult]: For program point L386(lines 386 872) no Hoare annotation was computed. [2020-10-19 23:28:32,796 INFO L274 CegarLoopResult]: For program point L254(lines 254 872) no Hoare annotation was computed. [2020-10-19 23:28:32,796 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,796 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,797 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,797 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-19 23:28:32,797 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-19 23:28:32,797 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-19 23:28:32,797 INFO L274 CegarLoopResult]: For program point L850(lines 850 872) no Hoare annotation was computed. [2020-10-19 23:28:32,798 INFO L274 CegarLoopResult]: For program point L652(lines 652 872) no Hoare annotation was computed. [2020-10-19 23:28:32,798 INFO L274 CegarLoopResult]: For program point L520(lines 520 872) no Hoare annotation was computed. [2020-10-19 23:28:32,798 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-19 23:28:32,798 INFO L274 CegarLoopResult]: For program point L785(lines 785 872) no Hoare annotation was computed. [2020-10-19 23:28:32,799 INFO L274 CegarLoopResult]: For program point L587(lines 587 872) no Hoare annotation was computed. [2020-10-19 23:28:32,799 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,799 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,799 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,799 INFO L274 CegarLoopResult]: For program point L720(lines 720 872) no Hoare annotation was computed. [2020-10-19 23:28:32,800 INFO L274 CegarLoopResult]: For program point L456(lines 456 872) no Hoare annotation was computed. [2020-10-19 23:28:32,800 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-19 23:28:32,800 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-19 23:28:32,800 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-19 23:28:32,801 INFO L274 CegarLoopResult]: For program point L325(lines 325 872) no Hoare annotation was computed. [2020-10-19 23:28:32,801 INFO L274 CegarLoopResult]: For program point L392(lines 392 872) no Hoare annotation was computed. [2020-10-19 23:28:32,801 INFO L274 CegarLoopResult]: For program point L260(lines 260 872) no Hoare annotation was computed. [2020-10-19 23:28:32,801 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,801 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,802 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,802 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-19 23:28:32,802 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-19 23:28:32,802 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-19 23:28:32,802 INFO L274 CegarLoopResult]: For program point L856(lines 856 872) no Hoare annotation was computed. [2020-10-19 23:28:32,803 INFO L274 CegarLoopResult]: For program point L658(lines 658 872) no Hoare annotation was computed. [2020-10-19 23:28:32,803 INFO L274 CegarLoopResult]: For program point L526(lines 526 872) no Hoare annotation was computed. [2020-10-19 23:28:32,803 INFO L274 CegarLoopResult]: For program point L791(lines 791 872) no Hoare annotation was computed. [2020-10-19 23:28:32,803 INFO L274 CegarLoopResult]: For program point L593(lines 593 872) no Hoare annotation was computed. [2020-10-19 23:28:32,803 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,804 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,804 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,804 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-19 23:28:32,804 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-19 23:28:32,805 INFO L274 CegarLoopResult]: For program point L726(lines 726 872) no Hoare annotation was computed. [2020-10-19 23:28:32,805 INFO L274 CegarLoopResult]: For program point L462(lines 462 872) no Hoare annotation was computed. [2020-10-19 23:28:32,805 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-19 23:28:32,805 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-19 23:28:32,806 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-19 23:28:32,806 INFO L274 CegarLoopResult]: For program point L331(lines 331 872) no Hoare annotation was computed. [2020-10-19 23:28:32,806 INFO L274 CegarLoopResult]: For program point L398(lines 398 872) no Hoare annotation was computed. [2020-10-19 23:28:32,806 INFO L274 CegarLoopResult]: For program point L266(lines 266 872) no Hoare annotation was computed. [2020-10-19 23:28:32,806 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,807 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,807 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,807 INFO L274 CegarLoopResult]: For program point L861(lines 861 872) no Hoare annotation was computed. [2020-10-19 23:28:32,807 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-19 23:28:32,808 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-19 23:28:32,808 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-19 23:28:32,808 INFO L274 CegarLoopResult]: For program point L664(lines 664 872) no Hoare annotation was computed. [2020-10-19 23:28:32,808 INFO L274 CegarLoopResult]: For program point L532(lines 532 872) no Hoare annotation was computed. [2020-10-19 23:28:32,809 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-19 23:28:32,809 INFO L274 CegarLoopResult]: For program point L797(lines 797 872) no Hoare annotation was computed. [2020-10-19 23:28:32,809 INFO L274 CegarLoopResult]: For program point L599(lines 599 872) no Hoare annotation was computed. [2020-10-19 23:28:32,809 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,809 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,810 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,810 INFO L274 CegarLoopResult]: For program point L732(lines 732 872) no Hoare annotation was computed. [2020-10-19 23:28:32,810 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-19 23:28:32,810 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-19 23:28:32,811 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-19 23:28:32,811 INFO L274 CegarLoopResult]: For program point L469(lines 469 872) no Hoare annotation was computed. [2020-10-19 23:28:32,811 INFO L274 CegarLoopResult]: For program point L337(lines 337 872) no Hoare annotation was computed. [2020-10-19 23:28:32,811 INFO L274 CegarLoopResult]: For program point L271(lines 271 872) no Hoare annotation was computed. [2020-10-19 23:28:32,811 INFO L274 CegarLoopResult]: For program point L404(lines 404 872) no Hoare annotation was computed. [2020-10-19 23:28:32,812 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,812 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,812 INFO L274 CegarLoopResult]: For program point L867(lines 867 872) no Hoare annotation was computed. [2020-10-19 23:28:32,812 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-19 23:28:32,813 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-19 23:28:32,813 INFO L274 CegarLoopResult]: For program point L670(lines 670 872) no Hoare annotation was computed. [2020-10-19 23:28:32,813 INFO L274 CegarLoopResult]: For program point L538(lines 538 872) no Hoare annotation was computed. [2020-10-19 23:28:32,813 INFO L274 CegarLoopResult]: For program point L803(lines 803 872) no Hoare annotation was computed. [2020-10-19 23:28:32,813 INFO L274 CegarLoopResult]: For program point L737(lines 737 872) no Hoare annotation was computed. [2020-10-19 23:28:32,814 INFO L274 CegarLoopResult]: For program point L605(lines 605 872) no Hoare annotation was computed. [2020-10-19 23:28:32,814 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,814 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,814 INFO L274 CegarLoopResult]: For program point L474(lines 474 872) no Hoare annotation was computed. [2020-10-19 23:28:32,814 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-19 23:28:32,814 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-19 23:28:32,815 INFO L274 CegarLoopResult]: For program point L343(lines 343 872) no Hoare annotation was computed. [2020-10-19 23:28:32,815 INFO L274 CegarLoopResult]: For program point L277(lines 277 872) no Hoare annotation was computed. [2020-10-19 23:28:32,815 INFO L274 CegarLoopResult]: For program point L410(lines 410 872) no Hoare annotation was computed. [2020-10-19 23:28:32,815 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,815 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,816 INFO L270 CegarLoopResult]: At program point L873(lines 22 874) the Hoare annotation is: (let ((.cse0 (<= ~a15~0 5)) (.cse1 (= ~a24~0 1))) (or (and .cse0 .cse1) (and (<= 7 ~a15~0) .cse1) (and .cse0 (<= (+ ~a12~0 49) 0)) (and (<= 9 ~a21~0) .cse1 (<= ~a21~0 9)) (and (< 0 (+ ~a12~0 43)) (<= ~a12~0 11) .cse1) (and .cse1 (<= ~a21~0 6)) (and (<= 8 ~a21~0) .cse1 (<= ~a21~0 8)))) [2020-10-19 23:28:32,816 INFO L274 CegarLoopResult]: For program point L543(lines 543 872) no Hoare annotation was computed. [2020-10-19 23:28:32,817 INFO L274 CegarLoopResult]: For program point L213(lines 213 872) no Hoare annotation was computed. [2020-10-19 23:28:32,817 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-19 23:28:32,817 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-19 23:28:32,817 INFO L274 CegarLoopResult]: For program point L676(lines 676 872) no Hoare annotation was computed. [2020-10-19 23:28:32,817 INFO L274 CegarLoopResult]: For program point L809(lines 809 872) no Hoare annotation was computed. [2020-10-19 23:28:32,818 INFO L274 CegarLoopResult]: For program point L743(lines 743 872) no Hoare annotation was computed. [2020-10-19 23:28:32,818 INFO L274 CegarLoopResult]: For program point L611(lines 611 872) no Hoare annotation was computed. [2020-10-19 23:28:32,818 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,818 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,818 INFO L277 CegarLoopResult]: At program point L876(lines 876 892) the Hoare annotation is: true [2020-10-19 23:28:32,819 INFO L274 CegarLoopResult]: For program point L480(lines 480 872) no Hoare annotation was computed. [2020-10-19 23:28:32,819 INFO L274 CegarLoopResult]: For program point L282(lines 282 872) no Hoare annotation was computed. [2020-10-19 23:28:32,819 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-19 23:28:32,819 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-19 23:28:32,819 INFO L274 CegarLoopResult]: For program point L679(lines 679 872) no Hoare annotation was computed. [2020-10-19 23:28:32,820 INFO L274 CegarLoopResult]: For program point L349(lines 349 872) no Hoare annotation was computed. [2020-10-19 23:28:32,820 INFO L274 CegarLoopResult]: For program point L416(lines 416 872) no Hoare annotation was computed. [2020-10-19 23:28:32,820 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-19 23:28:32,820 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,820 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,821 INFO L274 CegarLoopResult]: For program point L549(lines 549 872) no Hoare annotation was computed. [2020-10-19 23:28:32,821 INFO L274 CegarLoopResult]: For program point L219(lines 219 872) no Hoare annotation was computed. [2020-10-19 23:28:32,821 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-19 23:28:32,821 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-19 23:28:32,821 INFO L274 CegarLoopResult]: For program point L749(lines 749 872) no Hoare annotation was computed. [2020-10-19 23:28:32,821 INFO L274 CegarLoopResult]: For program point L617(lines 617 872) no Hoare annotation was computed. [2020-10-19 23:28:32,822 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,822 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,822 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-19 23:28:32,822 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,823 INFO L274 CegarLoopResult]: For program point L816(lines 816 872) no Hoare annotation was computed. [2020-10-19 23:28:32,823 INFO L270 CegarLoopResult]: At program point L882-2(lines 882 891) the Hoare annotation is: (let ((.cse0 (<= ~a15~0 5)) (.cse1 (= ~a24~0 1))) (or (and .cse0 .cse1) (and (<= 7 ~a15~0) .cse1) (and .cse0 (<= (+ ~a12~0 49) 0)) (and (<= 9 ~a21~0) .cse1 (<= ~a21~0 9)) (and (< 0 (+ ~a12~0 43)) (<= ~a12~0 11) .cse1) (and .cse1 (<= ~a21~0 6)) (and (<= 8 ~a21~0) .cse1 (<= ~a21~0 8)))) [2020-10-19 23:28:32,824 INFO L274 CegarLoopResult]: For program point L486(lines 486 872) no Hoare annotation was computed. [2020-10-19 23:28:32,824 INFO L274 CegarLoopResult]: For program point L288(lines 288 872) no Hoare annotation was computed. [2020-10-19 23:28:32,824 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-19 23:28:32,824 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-19 23:28:32,824 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-19 23:28:32,825 INFO L274 CegarLoopResult]: For program point L685(lines 685 872) no Hoare annotation was computed. [2020-10-19 23:28:32,825 INFO L274 CegarLoopResult]: For program point L355(lines 355 872) no Hoare annotation was computed. [2020-10-19 23:28:32,825 INFO L274 CegarLoopResult]: For program point L554(lines 554 872) no Hoare annotation was computed. [2020-10-19 23:28:32,825 INFO L274 CegarLoopResult]: For program point L422(lines 422 872) no Hoare annotation was computed. [2020-10-19 23:28:32,825 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,825 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,826 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,826 INFO L274 CegarLoopResult]: For program point L225(lines 225 872) no Hoare annotation was computed. [2020-10-19 23:28:32,826 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-19 23:28:32,826 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-19 23:28:32,826 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-19 23:28:32,826 INFO L274 CegarLoopResult]: For program point L754(lines 754 872) no Hoare annotation was computed. [2020-10-19 23:28:32,827 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-19 23:28:32,827 INFO L274 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-10-19 23:28:32,827 INFO L274 CegarLoopResult]: For program point L821(lines 821 872) no Hoare annotation was computed. [2020-10-19 23:28:32,827 INFO L274 CegarLoopResult]: For program point L623(lines 623 872) no Hoare annotation was computed. [2020-10-19 23:28:32,827 INFO L274 CegarLoopResult]: For program point L557(lines 557 872) no Hoare annotation was computed. [2020-10-19 23:28:32,828 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,828 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,828 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,828 INFO L274 CegarLoopResult]: For program point L690(lines 690 872) no Hoare annotation was computed. [2020-10-19 23:28:32,828 INFO L274 CegarLoopResult]: For program point L492(lines 492 872) no Hoare annotation was computed. [2020-10-19 23:28:32,828 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-19 23:28:32,829 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-19 23:28:32,829 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-19 23:28:32,829 INFO L274 CegarLoopResult]: For program point L361(lines 361 872) no Hoare annotation was computed. [2020-10-19 23:28:32,829 INFO L274 CegarLoopResult]: For program point L295(lines 295 872) no Hoare annotation was computed. [2020-10-19 23:28:32,829 INFO L274 CegarLoopResult]: For program point L428(lines 428 872) no Hoare annotation was computed. [2020-10-19 23:28:32,830 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,830 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,830 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,830 INFO L274 CegarLoopResult]: For program point L231(lines 231 872) no Hoare annotation was computed. [2020-10-19 23:28:32,830 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-19 23:28:32,831 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-19 23:28:32,831 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-19 23:28:32,831 INFO L274 CegarLoopResult]: For program point L760(lines 760 872) no Hoare annotation was computed. [2020-10-19 23:28:32,831 INFO L274 CegarLoopResult]: For program point L628(lines 628 872) no Hoare annotation was computed. [2020-10-19 23:28:32,831 INFO L274 CegarLoopResult]: For program point L827(lines 827 872) no Hoare annotation was computed. [2020-10-19 23:28:32,832 INFO L274 CegarLoopResult]: For program point L563(lines 563 872) no Hoare annotation was computed. [2020-10-19 23:28:32,832 INFO L274 CegarLoopResult]: For program point L497(lines 497 872) no Hoare annotation was computed. [2020-10-19 23:28:32,832 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,832 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,833 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:28:32,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 11:28:32 BoogieIcfgContainer [2020-10-19 23:28:32,886 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 23:28:32,888 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 23:28:32,889 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 23:28:32,889 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 23:28:32,890 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:28:08" (3/4) ... [2020-10-19 23:28:32,896 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-19 23:28:32,938 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-19 23:28:32,940 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-19 23:28:32,941 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 23:28:32,943 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 23:28:33,171 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 23:28:33,172 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 23:28:33,173 INFO L168 Benchmark]: Toolchain (without parser) took 27479.89 ms. Allocated memory was 36.2 MB in the beginning and 507.5 MB in the end (delta: 471.3 MB). Free memory was 13.5 MB in the beginning and 328.7 MB in the end (delta: -315.3 MB). Peak memory consumption was 156.0 MB. Max. memory is 14.3 GB. [2020-10-19 23:28:33,174 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 34.6 MB. Free memory was 9.4 MB in the beginning and 9.4 MB in the end (delta: 45.8 kB). Peak memory consumption was 45.8 kB. Max. memory is 14.3 GB. [2020-10-19 23:28:33,174 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1083.55 ms. Allocated memory was 36.2 MB in the beginning and 45.1 MB in the end (delta: 8.9 MB). Free memory was 12.6 MB in the beginning and 17.4 MB in the end (delta: -4.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 14.3 GB. [2020-10-19 23:28:33,176 INFO L168 Benchmark]: Boogie Procedure Inliner took 145.02 ms. Allocated memory was 45.1 MB in the beginning and 46.7 MB in the end (delta: 1.6 MB). Free memory was 17.4 MB in the beginning and 22.6 MB in the end (delta: -5.1 MB). Peak memory consumption was 9.3 MB. Max. memory is 14.3 GB. [2020-10-19 23:28:33,176 INFO L168 Benchmark]: Boogie Preprocessor took 89.52 ms. Allocated memory is still 46.7 MB. Free memory was 22.6 MB in the beginning and 15.9 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 14.3 GB. [2020-10-19 23:28:33,182 INFO L168 Benchmark]: RCFGBuilder took 1697.24 ms. Allocated memory was 46.7 MB in the beginning and 71.8 MB in the end (delta: 25.2 MB). Free memory was 15.6 MB in the beginning and 37.5 MB in the end (delta: -21.9 MB). Peak memory consumption was 25.4 MB. Max. memory is 14.3 GB. [2020-10-19 23:28:33,183 INFO L168 Benchmark]: TraceAbstraction took 24167.87 ms. Allocated memory was 71.8 MB in the beginning and 507.5 MB in the end (delta: 435.7 MB). Free memory was 37.5 MB in the beginning and 355.0 MB in the end (delta: -317.4 MB). Peak memory consumption was 118.3 MB. Max. memory is 14.3 GB. [2020-10-19 23:28:33,183 INFO L168 Benchmark]: Witness Printer took 283.41 ms. Allocated memory is still 507.5 MB. Free memory was 355.0 MB in the beginning and 328.7 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 14.3 GB. [2020-10-19 23:28:33,186 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 34.6 MB. Free memory was 9.4 MB in the beginning and 9.4 MB in the end (delta: 45.8 kB). Peak memory consumption was 45.8 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 1083.55 ms. Allocated memory was 36.2 MB in the beginning and 45.1 MB in the end (delta: 8.9 MB). Free memory was 12.6 MB in the beginning and 17.4 MB in the end (delta: -4.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 145.02 ms. Allocated memory was 45.1 MB in the beginning and 46.7 MB in the end (delta: 1.6 MB). Free memory was 17.4 MB in the beginning and 22.6 MB in the end (delta: -5.1 MB). Peak memory consumption was 9.3 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 89.52 ms. Allocated memory is still 46.7 MB. Free memory was 22.6 MB in the beginning and 15.9 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1697.24 ms. Allocated memory was 46.7 MB in the beginning and 71.8 MB in the end (delta: 25.2 MB). Free memory was 15.6 MB in the beginning and 37.5 MB in the end (delta: -21.9 MB). Peak memory consumption was 25.4 MB. Max. memory is 14.3 GB. * TraceAbstraction took 24167.87 ms. Allocated memory was 71.8 MB in the beginning and 507.5 MB in the end (delta: 435.7 MB). Free memory was 37.5 MB in the beginning and 355.0 MB in the end (delta: -317.4 MB). Peak memory consumption was 118.3 MB. Max. memory is 14.3 GB. * Witness Printer took 283.41 ms. Allocated memory is still 507.5 MB. Free memory was 355.0 MB in the beginning and 328.7 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 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: 22]: Loop Invariant Derived loop invariant: ((((((a15 <= 5 && a24 == 1) || (7 <= a15 && a24 == 1)) || (a15 <= 5 && a12 + 49 <= 0)) || ((9 <= a21 && a24 == 1) && a21 <= 9)) || ((0 < a12 + 43 && a12 <= 11) && a24 == 1)) || (a24 == 1 && a21 <= 6)) || ((8 <= a21 && a24 == 1) && a21 <= 8) - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: ((((((a15 <= 5 && a24 == 1) || (7 <= a15 && a24 == 1)) || (a15 <= 5 && a12 + 49 <= 0)) || ((9 <= a21 && a24 == 1) && a21 <= 9)) || ((0 < a12 + 43 && a12 <= 11) && a24 == 1)) || (a24 == 1 && a21 <= 6)) || ((8 <= a21 && a24 == 1) && a21 <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 246 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 23.5s, OverallIterations: 14, TraceHistogramMax: 8, AutomataDifference: 13.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1921 SDtfs, 2049 SDslu, 79 SDs, 0 SdLazy, 7188 SolverSat, 968 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2228 GetRequests, 2204 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3386occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 14 MinimizatonAttempts, 2676 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 67 NumberOfFragments, 127 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1870 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 282 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 7366 NumberOfCodeBlocks, 7366 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 7349 ConstructedInterpolants, 0 QuantifiedInterpolants, 7792837 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2802 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 17 InterpolantComputations, 14 PerfectInterpolantSequences, 13916/14291 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...