./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label37.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/Problem11_label37.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 d71b7d7ff9b54bb6b0655601045aca566c11e8eb .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 23:13:25,379 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 23:13:25,382 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 23:13:25,407 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 23:13:25,407 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 23:13:25,409 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 23:13:25,410 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 23:13:25,412 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 23:13:25,421 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 23:13:25,422 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 23:13:25,426 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 23:13:25,427 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 23:13:25,430 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 23:13:25,431 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 23:13:25,433 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 23:13:25,434 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 23:13:25,434 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 23:13:25,435 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 23:13:25,437 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 23:13:25,438 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 23:13:25,440 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 23:13:25,441 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 23:13:25,442 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 23:13:25,443 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 23:13:25,445 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 23:13:25,446 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 23:13:25,446 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 23:13:25,447 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 23:13:25,447 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 23:13:25,448 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 23:13:25,448 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 23:13:25,449 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 23:13:25,450 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 23:13:25,450 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 23:13:25,451 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 23:13:25,452 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 23:13:25,452 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 23:13:25,452 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 23:13:25,453 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 23:13:25,453 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 23:13:25,454 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 23:13:25,455 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-19 23:13:25,478 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 23:13:25,478 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 23:13:25,479 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 23:13:25,479 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 23:13:25,479 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 23:13:25,480 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 23:13:25,480 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 23:13:25,480 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 23:13:25,480 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 23:13:25,480 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 23:13:25,481 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 23:13:25,481 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 23:13:25,481 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 23:13:25,481 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 23:13:25,481 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 23:13:25,481 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 23:13:25,482 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 23:13:25,482 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 23:13:25,482 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 23:13:25,482 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 23:13:25,482 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 23:13:25,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 23:13:25,483 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 23:13:25,483 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 23:13:25,483 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 23:13:25,483 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 23:13:25,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 23:13:25,484 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 23:13:25,484 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 23:13:25,484 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 -> d71b7d7ff9b54bb6b0655601045aca566c11e8eb [2020-10-19 23:13:25,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 23:13:25,729 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 23:13:25,733 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 23:13:25,738 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 23:13:25,740 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 23:13:25,741 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label37.c [2020-10-19 23:13:25,806 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7dd23a7a/3af8466c528b4384b0276f28fc638cdd/FLAGe64f71f68 [2020-10-19 23:13:26,421 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 23:13:26,423 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label37.c [2020-10-19 23:13:26,440 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7dd23a7a/3af8466c528b4384b0276f28fc638cdd/FLAGe64f71f68 [2020-10-19 23:13:26,660 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7dd23a7a/3af8466c528b4384b0276f28fc638cdd [2020-10-19 23:13:26,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 23:13:26,670 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 23:13:26,672 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 23:13:26,672 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 23:13:26,676 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 23:13:26,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 11:13:26" (1/1) ... [2020-10-19 23:13:26,680 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67442fa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:13:26, skipping insertion in model container [2020-10-19 23:13:26,681 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 11:13:26" (1/1) ... [2020-10-19 23:13:26,689 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 23:13:26,767 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 23:13:27,400 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 23:13:27,412 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 23:13:27,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 23:13:27,692 INFO L208 MainTranslator]: Completed translation [2020-10-19 23:13:27,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:13:27 WrapperNode [2020-10-19 23:13:27,693 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 23:13:27,695 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 23:13:27,695 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 23:13:27,696 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 23:13:27,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:13:27" (1/1) ... [2020-10-19 23:13:27,750 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:13:27" (1/1) ... [2020-10-19 23:13:27,900 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 23:13:27,901 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 23:13:27,901 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 23:13:27,901 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 23:13:27,912 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:13:27" (1/1) ... [2020-10-19 23:13:27,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:13:27" (1/1) ... [2020-10-19 23:13:27,924 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:13:27" (1/1) ... [2020-10-19 23:13:27,924 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:13:27" (1/1) ... [2020-10-19 23:13:28,172 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:13:27" (1/1) ... [2020-10-19 23:13:28,196 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:13:27" (1/1) ... [2020-10-19 23:13:28,216 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:13:27" (1/1) ... [2020-10-19 23:13:28,229 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 23:13:28,230 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 23:13:28,230 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 23:13:28,230 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 23:13:28,232 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:13:27" (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 23:13:28,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 23:13:28,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 23:13:28,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 23:13:28,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 23:13:30,393 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 23:13:30,393 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-19 23:13:30,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:13:30 BoogieIcfgContainer [2020-10-19 23:13:30,396 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 23:13:30,397 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 23:13:30,397 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 23:13:30,400 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 23:13:30,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 11:13:26" (1/3) ... [2020-10-19 23:13:30,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7edae15a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 11:13:30, skipping insertion in model container [2020-10-19 23:13:30,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:13:27" (2/3) ... [2020-10-19 23:13:30,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7edae15a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 11:13:30, skipping insertion in model container [2020-10-19 23:13:30,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:13:30" (3/3) ... [2020-10-19 23:13:30,404 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label37.c [2020-10-19 23:13:30,417 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 23:13:30,425 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-19 23:13:30,442 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-19 23:13:30,471 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 23:13:30,471 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 23:13:30,472 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 23:13:30,472 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 23:13:30,472 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 23:13:30,472 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 23:13:30,472 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 23:13:30,472 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 23:13:30,499 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states. [2020-10-19 23:13:30,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-19 23:13:30,508 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:13:30,509 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:13:30,509 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:13:30,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:13:30,516 INFO L82 PathProgramCache]: Analyzing trace with hash 301649817, now seen corresponding path program 1 times [2020-10-19 23:13:30,527 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:13:30,528 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674166571] [2020-10-19 23:13:30,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:13:30,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:13:30,830 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 23:13:30,831 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674166571] [2020-10-19 23:13:30,832 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:13:30,832 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:13:30,833 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160753889] [2020-10-19 23:13:30,838 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:13:30,839 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:13:30,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:13:30,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:13:30,856 INFO L87 Difference]: Start difference. First operand 284 states. Second operand 3 states. [2020-10-19 23:13:32,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:13:32,303 INFO L93 Difference]: Finished difference Result 762 states and 1346 transitions. [2020-10-19 23:13:32,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:13:32,307 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2020-10-19 23:13:32,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:13:32,325 INFO L225 Difference]: With dead ends: 762 [2020-10-19 23:13:32,325 INFO L226 Difference]: Without dead ends: 413 [2020-10-19 23:13:32,330 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 23:13:32,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2020-10-19 23:13:32,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2020-10-19 23:13:32,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2020-10-19 23:13:32,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 599 transitions. [2020-10-19 23:13:32,396 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 599 transitions. Word has length 49 [2020-10-19 23:13:32,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:13:32,397 INFO L481 AbstractCegarLoop]: Abstraction has 413 states and 599 transitions. [2020-10-19 23:13:32,397 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:13:32,397 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 599 transitions. [2020-10-19 23:13:32,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-19 23:13:32,402 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:13:32,402 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-19 23:13:32,403 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-19 23:13:32,403 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:13:32,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:13:32,404 INFO L82 PathProgramCache]: Analyzing trace with hash 324991390, now seen corresponding path program 1 times [2020-10-19 23:13:32,404 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:13:32,404 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275678149] [2020-10-19 23:13:32,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:13:32,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:13:32,550 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:13:32,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275678149] [2020-10-19 23:13:32,551 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:13:32,551 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:13:32,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620224032] [2020-10-19 23:13:32,553 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:13:32,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:13:32,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:13:32,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:13:32,555 INFO L87 Difference]: Start difference. First operand 413 states and 599 transitions. Second operand 3 states. [2020-10-19 23:13:33,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:13:33,724 INFO L93 Difference]: Finished difference Result 1211 states and 1763 transitions. [2020-10-19 23:13:33,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:13:33,725 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2020-10-19 23:13:33,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:13:33,732 INFO L225 Difference]: With dead ends: 1211 [2020-10-19 23:13:33,735 INFO L226 Difference]: Without dead ends: 800 [2020-10-19 23:13:33,737 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 23:13:33,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2020-10-19 23:13:33,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 789. [2020-10-19 23:13:33,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2020-10-19 23:13:33,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1083 transitions. [2020-10-19 23:13:33,789 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1083 transitions. Word has length 117 [2020-10-19 23:13:33,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:13:33,791 INFO L481 AbstractCegarLoop]: Abstraction has 789 states and 1083 transitions. [2020-10-19 23:13:33,792 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:13:33,793 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1083 transitions. [2020-10-19 23:13:33,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-19 23:13:33,800 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:13:33,800 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-19 23:13:33,800 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-19 23:13:33,801 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:13:33,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:13:33,801 INFO L82 PathProgramCache]: Analyzing trace with hash -1066496029, now seen corresponding path program 1 times [2020-10-19 23:13:33,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:13:33,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060729231] [2020-10-19 23:13:33,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:13:33,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:13:34,016 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:13:34,017 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060729231] [2020-10-19 23:13:34,017 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:13:34,017 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:13:34,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772613431] [2020-10-19 23:13:34,018 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:13:34,019 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:13:34,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:13:34,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:13:34,020 INFO L87 Difference]: Start difference. First operand 789 states and 1083 transitions. Second operand 3 states. [2020-10-19 23:13:35,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:13:35,276 INFO L93 Difference]: Finished difference Result 2314 states and 3181 transitions. [2020-10-19 23:13:35,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:13:35,277 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2020-10-19 23:13:35,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:13:35,286 INFO L225 Difference]: With dead ends: 2314 [2020-10-19 23:13:35,286 INFO L226 Difference]: Without dead ends: 1527 [2020-10-19 23:13:35,288 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 23:13:35,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1527 states. [2020-10-19 23:13:35,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1527 to 1526. [2020-10-19 23:13:35,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1526 states. [2020-10-19 23:13:35,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1526 states and 1856 transitions. [2020-10-19 23:13:35,338 INFO L78 Accepts]: Start accepts. Automaton has 1526 states and 1856 transitions. Word has length 119 [2020-10-19 23:13:35,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:13:35,338 INFO L481 AbstractCegarLoop]: Abstraction has 1526 states and 1856 transitions. [2020-10-19 23:13:35,339 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:13:35,339 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1856 transitions. [2020-10-19 23:13:35,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-19 23:13:35,344 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:13:35,345 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:13:35,345 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-19 23:13:35,345 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:13:35,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:13:35,346 INFO L82 PathProgramCache]: Analyzing trace with hash 1315509509, now seen corresponding path program 1 times [2020-10-19 23:13:35,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:13:35,346 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634508146] [2020-10-19 23:13:35,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:13:35,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:13:35,516 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:13:35,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634508146] [2020-10-19 23:13:35,518 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:13:35,518 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:13:35,519 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516075001] [2020-10-19 23:13:35,519 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:13:35,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:13:35,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:13:35,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:13:35,521 INFO L87 Difference]: Start difference. First operand 1526 states and 1856 transitions. Second operand 3 states. [2020-10-19 23:13:36,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:13:36,768 INFO L93 Difference]: Finished difference Result 3257 states and 4123 transitions. [2020-10-19 23:13:36,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:13:36,768 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 176 [2020-10-19 23:13:36,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:13:36,782 INFO L225 Difference]: With dead ends: 3257 [2020-10-19 23:13:36,783 INFO L226 Difference]: Without dead ends: 1917 [2020-10-19 23:13:36,787 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 23:13:36,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1917 states. [2020-10-19 23:13:36,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1917 to 1914. [2020-10-19 23:13:36,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1914 states. [2020-10-19 23:13:36,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1914 states to 1914 states and 2384 transitions. [2020-10-19 23:13:36,849 INFO L78 Accepts]: Start accepts. Automaton has 1914 states and 2384 transitions. Word has length 176 [2020-10-19 23:13:36,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:13:36,851 INFO L481 AbstractCegarLoop]: Abstraction has 1914 states and 2384 transitions. [2020-10-19 23:13:36,851 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:13:36,851 INFO L276 IsEmpty]: Start isEmpty. Operand 1914 states and 2384 transitions. [2020-10-19 23:13:36,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-10-19 23:13:36,860 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:13:36,860 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:13:36,861 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-19 23:13:36,861 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:13:36,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:13:36,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1502974436, now seen corresponding path program 1 times [2020-10-19 23:13:36,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:13:36,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502601204] [2020-10-19 23:13:36,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:13:36,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:13:37,261 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-19 23:13:37,262 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502601204] [2020-10-19 23:13:37,262 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:13:37,263 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:13:37,263 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134805299] [2020-10-19 23:13:37,264 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:13:37,264 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:13:37,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:13:37,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:13:37,265 INFO L87 Difference]: Start difference. First operand 1914 states and 2384 transitions. Second operand 3 states. [2020-10-19 23:13:38,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:13:38,747 INFO L93 Difference]: Finished difference Result 4389 states and 5590 transitions. [2020-10-19 23:13:38,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:13:38,748 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 231 [2020-10-19 23:13:38,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:13:38,761 INFO L225 Difference]: With dead ends: 4389 [2020-10-19 23:13:38,761 INFO L226 Difference]: Without dead ends: 2661 [2020-10-19 23:13:38,765 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 23:13:38,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2661 states. [2020-10-19 23:13:38,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2661 to 2467. [2020-10-19 23:13:38,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2467 states. [2020-10-19 23:13:38,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2467 states to 2467 states and 3045 transitions. [2020-10-19 23:13:38,822 INFO L78 Accepts]: Start accepts. Automaton has 2467 states and 3045 transitions. Word has length 231 [2020-10-19 23:13:38,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:13:38,823 INFO L481 AbstractCegarLoop]: Abstraction has 2467 states and 3045 transitions. [2020-10-19 23:13:38,823 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:13:38,824 INFO L276 IsEmpty]: Start isEmpty. Operand 2467 states and 3045 transitions. [2020-10-19 23:13:38,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2020-10-19 23:13:38,828 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:13:38,829 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:13:38,829 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-19 23:13:38,830 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:13:38,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:13:38,830 INFO L82 PathProgramCache]: Analyzing trace with hash 1410672627, now seen corresponding path program 1 times [2020-10-19 23:13:38,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:13:38,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562887577] [2020-10-19 23:13:38,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:13:38,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:13:39,443 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 91 proven. 2 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-10-19 23:13:39,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562887577] [2020-10-19 23:13:39,445 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [125752120] [2020-10-19 23:13:39,445 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 23:13:39,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:13:39,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:13:39,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:13:39,787 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-10-19 23:13:39,788 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:13:39,789 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-10-19 23:13:39,789 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517459965] [2020-10-19 23:13:39,790 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:13:39,791 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:13:39,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:13:39,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:13:39,792 INFO L87 Difference]: Start difference. First operand 2467 states and 3045 transitions. Second operand 3 states. [2020-10-19 23:13:41,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:13:41,444 INFO L93 Difference]: Finished difference Result 5862 states and 7297 transitions. [2020-10-19 23:13:41,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:13:41,445 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 237 [2020-10-19 23:13:41,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:13:41,467 INFO L225 Difference]: With dead ends: 5862 [2020-10-19 23:13:41,467 INFO L226 Difference]: Without dead ends: 3397 [2020-10-19 23:13:41,473 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:13:41,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3397 states. [2020-10-19 23:13:41,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3397 to 3388. [2020-10-19 23:13:41,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3388 states. [2020-10-19 23:13:41,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3388 states to 3388 states and 4091 transitions. [2020-10-19 23:13:41,576 INFO L78 Accepts]: Start accepts. Automaton has 3388 states and 4091 transitions. Word has length 237 [2020-10-19 23:13:41,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:13:41,577 INFO L481 AbstractCegarLoop]: Abstraction has 3388 states and 4091 transitions. [2020-10-19 23:13:41,578 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:13:41,578 INFO L276 IsEmpty]: Start isEmpty. Operand 3388 states and 4091 transitions. [2020-10-19 23:13:41,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2020-10-19 23:13:41,593 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:13:41,594 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, 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, 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] [2020-10-19 23:13:41,808 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-10-19 23:13:41,809 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:13:41,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:13:41,809 INFO L82 PathProgramCache]: Analyzing trace with hash -704511693, now seen corresponding path program 1 times [2020-10-19 23:13:41,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:13:41,810 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388602059] [2020-10-19 23:13:41,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:13:41,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:13:42,166 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 306 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-10-19 23:13:42,168 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388602059] [2020-10-19 23:13:42,168 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:13:42,168 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:13:42,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142256225] [2020-10-19 23:13:42,170 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:13:42,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:13:42,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:13:42,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:13:42,175 INFO L87 Difference]: Start difference. First operand 3388 states and 4091 transitions. Second operand 3 states. [2020-10-19 23:13:43,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:13:43,669 INFO L93 Difference]: Finished difference Result 6788 states and 8205 transitions. [2020-10-19 23:13:43,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:13:43,672 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 308 [2020-10-19 23:13:43,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:13:43,696 INFO L225 Difference]: With dead ends: 6788 [2020-10-19 23:13:43,697 INFO L226 Difference]: Without dead ends: 3402 [2020-10-19 23:13:43,704 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 23:13:43,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3402 states. [2020-10-19 23:13:43,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3402 to 3020. [2020-10-19 23:13:43,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3020 states. [2020-10-19 23:13:43,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3020 states to 3020 states and 3567 transitions. [2020-10-19 23:13:43,850 INFO L78 Accepts]: Start accepts. Automaton has 3020 states and 3567 transitions. Word has length 308 [2020-10-19 23:13:43,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:13:43,851 INFO L481 AbstractCegarLoop]: Abstraction has 3020 states and 3567 transitions. [2020-10-19 23:13:43,851 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:13:43,852 INFO L276 IsEmpty]: Start isEmpty. Operand 3020 states and 3567 transitions. [2020-10-19 23:13:43,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2020-10-19 23:13:43,867 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:13:43,867 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, 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, 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] [2020-10-19 23:13:43,868 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-19 23:13:43,868 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:13:43,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:13:43,869 INFO L82 PathProgramCache]: Analyzing trace with hash 428658931, now seen corresponding path program 1 times [2020-10-19 23:13:43,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:13:43,870 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288030833] [2020-10-19 23:13:43,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:13:43,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:13:44,225 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 287 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-10-19 23:13:44,226 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288030833] [2020-10-19 23:13:44,227 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:13:44,227 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:13:44,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733443534] [2020-10-19 23:13:44,229 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:13:44,229 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:13:44,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:13:44,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:13:44,230 INFO L87 Difference]: Start difference. First operand 3020 states and 3567 transitions. Second operand 3 states. [2020-10-19 23:13:45,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:13:45,275 INFO L93 Difference]: Finished difference Result 6015 states and 7099 transitions. [2020-10-19 23:13:45,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:13:45,276 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 309 [2020-10-19 23:13:45,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:13:45,291 INFO L225 Difference]: With dead ends: 6015 [2020-10-19 23:13:45,291 INFO L226 Difference]: Without dead ends: 2997 [2020-10-19 23:13:45,296 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 23:13:45,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2997 states. [2020-10-19 23:13:45,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2997 to 2995. [2020-10-19 23:13:45,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2995 states. [2020-10-19 23:13:45,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2995 states to 2995 states and 3392 transitions. [2020-10-19 23:13:45,372 INFO L78 Accepts]: Start accepts. Automaton has 2995 states and 3392 transitions. Word has length 309 [2020-10-19 23:13:45,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:13:45,373 INFO L481 AbstractCegarLoop]: Abstraction has 2995 states and 3392 transitions. [2020-10-19 23:13:45,373 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:13:45,373 INFO L276 IsEmpty]: Start isEmpty. Operand 2995 states and 3392 transitions. [2020-10-19 23:13:45,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2020-10-19 23:13:45,381 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:13:45,382 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, 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, 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] [2020-10-19 23:13:45,382 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-19 23:13:45,382 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:13:45,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:13:45,383 INFO L82 PathProgramCache]: Analyzing trace with hash 352600792, now seen corresponding path program 1 times [2020-10-19 23:13:45,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:13:45,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694730543] [2020-10-19 23:13:45,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:13:45,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:13:45,663 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2020-10-19 23:13:45,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694730543] [2020-10-19 23:13:45,665 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:13:45,665 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:13:45,665 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174388309] [2020-10-19 23:13:45,666 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:13:45,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:13:45,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:13:45,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:13:45,667 INFO L87 Difference]: Start difference. First operand 2995 states and 3392 transitions. Second operand 3 states. [2020-10-19 23:13:46,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:13:46,723 INFO L93 Difference]: Finished difference Result 6907 states and 7810 transitions. [2020-10-19 23:13:46,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:13:46,724 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 314 [2020-10-19 23:13:46,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:13:46,742 INFO L225 Difference]: With dead ends: 6907 [2020-10-19 23:13:46,743 INFO L226 Difference]: Without dead ends: 3914 [2020-10-19 23:13:46,747 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 23:13:46,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3914 states. [2020-10-19 23:13:46,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3914 to 2069. [2020-10-19 23:13:46,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2069 states. [2020-10-19 23:13:46,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2069 states to 2069 states and 2374 transitions. [2020-10-19 23:13:46,796 INFO L78 Accepts]: Start accepts. Automaton has 2069 states and 2374 transitions. Word has length 314 [2020-10-19 23:13:46,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:13:46,797 INFO L481 AbstractCegarLoop]: Abstraction has 2069 states and 2374 transitions. [2020-10-19 23:13:46,797 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:13:46,797 INFO L276 IsEmpty]: Start isEmpty. Operand 2069 states and 2374 transitions. [2020-10-19 23:13:46,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2020-10-19 23:13:46,807 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:13:46,810 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:13:46,811 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-19 23:13:46,811 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:13:46,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:13:46,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1007598479, now seen corresponding path program 1 times [2020-10-19 23:13:46,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:13:46,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510155443] [2020-10-19 23:13:46,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:13:46,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:13:47,162 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 235 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:13:47,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510155443] [2020-10-19 23:13:47,163 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:13:47,163 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-19 23:13:47,165 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377417643] [2020-10-19 23:13:47,165 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:13:47,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:13:47,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:13:47,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:13:47,169 INFO L87 Difference]: Start difference. First operand 2069 states and 2374 transitions. Second operand 4 states. [2020-10-19 23:13:49,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:13:49,350 INFO L93 Difference]: Finished difference Result 6353 states and 7292 transitions. [2020-10-19 23:13:49,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 23:13:49,351 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 354 [2020-10-19 23:13:49,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:13:49,370 INFO L225 Difference]: With dead ends: 6353 [2020-10-19 23:13:49,370 INFO L226 Difference]: Without dead ends: 4286 [2020-10-19 23:13:49,374 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:13:49,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4286 states. [2020-10-19 23:13:49,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4286 to 3732. [2020-10-19 23:13:49,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3732 states. [2020-10-19 23:13:49,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3732 states to 3732 states and 4219 transitions. [2020-10-19 23:13:49,437 INFO L78 Accepts]: Start accepts. Automaton has 3732 states and 4219 transitions. Word has length 354 [2020-10-19 23:13:49,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:13:49,437 INFO L481 AbstractCegarLoop]: Abstraction has 3732 states and 4219 transitions. [2020-10-19 23:13:49,438 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:13:49,438 INFO L276 IsEmpty]: Start isEmpty. Operand 3732 states and 4219 transitions. [2020-10-19 23:13:49,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2020-10-19 23:13:49,450 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:13:49,450 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, 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, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-19 23:13:49,451 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-19 23:13:49,451 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:13:49,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:13:49,452 INFO L82 PathProgramCache]: Analyzing trace with hash 1414927429, now seen corresponding path program 1 times [2020-10-19 23:13:49,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:13:49,452 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872425040] [2020-10-19 23:13:49,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:13:49,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:13:49,876 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-10-19 23:13:49,877 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872425040] [2020-10-19 23:13:49,877 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:13:49,878 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-19 23:13:49,878 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30239541] [2020-10-19 23:13:49,879 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:13:49,879 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:13:49,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:13:49,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:13:49,880 INFO L87 Difference]: Start difference. First operand 3732 states and 4219 transitions. Second operand 4 states. [2020-10-19 23:13:51,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:13:51,861 INFO L93 Difference]: Finished difference Result 8752 states and 9872 transitions. [2020-10-19 23:13:51,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 23:13:51,861 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 428 [2020-10-19 23:13:51,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:13:51,883 INFO L225 Difference]: With dead ends: 8752 [2020-10-19 23:13:51,883 INFO L226 Difference]: Without dead ends: 5022 [2020-10-19 23:13:51,889 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:13:51,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5022 states. [2020-10-19 23:13:51,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5022 to 3732. [2020-10-19 23:13:51,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3732 states. [2020-10-19 23:13:51,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3732 states to 3732 states and 4219 transitions. [2020-10-19 23:13:51,962 INFO L78 Accepts]: Start accepts. Automaton has 3732 states and 4219 transitions. Word has length 428 [2020-10-19 23:13:51,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:13:51,963 INFO L481 AbstractCegarLoop]: Abstraction has 3732 states and 4219 transitions. [2020-10-19 23:13:51,963 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:13:51,963 INFO L276 IsEmpty]: Start isEmpty. Operand 3732 states and 4219 transitions. [2020-10-19 23:13:51,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 680 [2020-10-19 23:13:51,986 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:13:51,987 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, 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-19 23:13:51,987 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-19 23:13:51,987 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:13:51,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:13:51,988 INFO L82 PathProgramCache]: Analyzing trace with hash 1953997865, now seen corresponding path program 1 times [2020-10-19 23:13:51,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:13:51,992 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115940947] [2020-10-19 23:13:51,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:13:52,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:13:52,569 INFO L134 CoverageAnalysis]: Checked inductivity of 1283 backedges. 866 proven. 0 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2020-10-19 23:13:52,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115940947] [2020-10-19 23:13:52,570 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:13:52,571 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:13:52,571 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211143018] [2020-10-19 23:13:52,572 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:13:52,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:13:52,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:13:52,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:13:52,573 INFO L87 Difference]: Start difference. First operand 3732 states and 4219 transitions. Second operand 4 states. [2020-10-19 23:13:54,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:13:54,640 INFO L93 Difference]: Finished difference Result 11899 states and 13474 transitions. [2020-10-19 23:13:54,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 23:13:54,641 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 679 [2020-10-19 23:13:54,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:13:54,658 INFO L225 Difference]: With dead ends: 11899 [2020-10-19 23:13:54,658 INFO L226 Difference]: Without dead ends: 8169 [2020-10-19 23:13:54,665 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 23:13:54,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8169 states. [2020-10-19 23:13:54,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8169 to 7799. [2020-10-19 23:13:54,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7799 states. [2020-10-19 23:13:54,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7799 states to 7799 states and 8729 transitions. [2020-10-19 23:13:54,834 INFO L78 Accepts]: Start accepts. Automaton has 7799 states and 8729 transitions. Word has length 679 [2020-10-19 23:13:54,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:13:54,836 INFO L481 AbstractCegarLoop]: Abstraction has 7799 states and 8729 transitions. [2020-10-19 23:13:54,836 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:13:54,836 INFO L276 IsEmpty]: Start isEmpty. Operand 7799 states and 8729 transitions. [2020-10-19 23:13:54,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 748 [2020-10-19 23:13:54,865 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:13:54,866 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:13:54,866 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-19 23:13:54,866 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:13:54,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:13:54,868 INFO L82 PathProgramCache]: Analyzing trace with hash -922704175, now seen corresponding path program 1 times [2020-10-19 23:13:54,868 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:13:54,868 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134961386] [2020-10-19 23:13:54,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:13:54,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:13:55,608 INFO L134 CoverageAnalysis]: Checked inductivity of 1685 backedges. 994 proven. 0 refuted. 0 times theorem prover too weak. 691 trivial. 0 not checked. [2020-10-19 23:13:55,609 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134961386] [2020-10-19 23:13:55,609 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:13:55,609 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:13:55,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89577459] [2020-10-19 23:13:55,611 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:13:55,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:13:55,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:13:55,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:13:55,618 INFO L87 Difference]: Start difference. First operand 7799 states and 8729 transitions. Second operand 3 states. [2020-10-19 23:13:56,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:13:56,893 INFO L93 Difference]: Finished difference Result 17436 states and 19554 transitions. [2020-10-19 23:13:56,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:13:56,893 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 747 [2020-10-19 23:13:56,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:13:56,909 INFO L225 Difference]: With dead ends: 17436 [2020-10-19 23:13:56,910 INFO L226 Difference]: Without dead ends: 8717 [2020-10-19 23:13:56,918 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 23:13:56,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8717 states. [2020-10-19 23:13:57,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8717 to 8717. [2020-10-19 23:13:57,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8717 states. [2020-10-19 23:13:57,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8717 states to 8717 states and 9593 transitions. [2020-10-19 23:13:57,072 INFO L78 Accepts]: Start accepts. Automaton has 8717 states and 9593 transitions. Word has length 747 [2020-10-19 23:13:57,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:13:57,073 INFO L481 AbstractCegarLoop]: Abstraction has 8717 states and 9593 transitions. [2020-10-19 23:13:57,073 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:13:57,074 INFO L276 IsEmpty]: Start isEmpty. Operand 8717 states and 9593 transitions. [2020-10-19 23:13:57,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 848 [2020-10-19 23:13:57,096 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:13:57,097 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, 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, 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, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:13:57,097 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-19 23:13:57,097 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:13:57,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:13:57,098 INFO L82 PathProgramCache]: Analyzing trace with hash 1267545804, now seen corresponding path program 1 times [2020-10-19 23:13:57,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:13:57,098 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409523497] [2020-10-19 23:13:57,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:13:57,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:13:58,202 INFO L134 CoverageAnalysis]: Checked inductivity of 2063 backedges. 1489 proven. 0 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2020-10-19 23:13:58,202 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409523497] [2020-10-19 23:13:58,203 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:13:58,203 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:13:58,203 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268093070] [2020-10-19 23:13:58,204 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:13:58,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:13:58,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:13:58,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:13:58,205 INFO L87 Difference]: Start difference. First operand 8717 states and 9593 transitions. Second operand 3 states. [2020-10-19 23:13:59,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:13:59,452 INFO L93 Difference]: Finished difference Result 18165 states and 19959 transitions. [2020-10-19 23:13:59,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:13:59,453 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 847 [2020-10-19 23:13:59,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:13:59,454 INFO L225 Difference]: With dead ends: 18165 [2020-10-19 23:13:59,454 INFO L226 Difference]: Without dead ends: 0 [2020-10-19 23:13:59,466 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 23:13:59,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-19 23:13:59,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-19 23:13:59,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-19 23:13:59,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 23:13:59,468 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 847 [2020-10-19 23:13:59,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:13:59,468 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 23:13:59,468 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:13:59,469 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-19 23:13:59,469 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-19 23:13:59,469 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-19 23:13:59,472 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-19 23:13:59,668 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 118 [2020-10-19 23:13:59,817 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 118 [2020-10-19 23:14:00,334 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 48 [2020-10-19 23:14:00,832 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 48 [2020-10-19 23:14:00,838 INFO L274 CegarLoopResult]: For program point L960(lines 960 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,839 INFO L274 CegarLoopResult]: For program point L696(lines 696 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,839 INFO L274 CegarLoopResult]: For program point L630(lines 630 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,840 INFO L270 CegarLoopResult]: At program point L1027(lines 24 1028) the Hoare annotation is: (let ((.cse3 (<= ~a23~0 138)) (.cse7 (<= (+ ~a29~0 22) 0)) (.cse4 (<= ~a25~0 10)) (.cse1 (= ~a4~0 0)) (.cse2 (<= ~a29~0 599998)) (.cse6 (+ ~a23~0 43)) (.cse8 (<= ~a29~0 599999)) (.cse0 (= ~a25~0 11)) (.cse5 (= ~a4~0 1))) (or (and .cse0 .cse1 (<= ~a23~0 312) .cse2) (and .cse3 .cse4 .cse5 (< 0 .cse6)) (and (<= 307 ~a23~0) .cse2 .cse5) (and .cse4 .cse3 .cse1 .cse2) (and .cse2 (<= 13 ~a25~0) .cse5) (and .cse3 .cse1 .cse7) (and .cse4 .cse1 .cse7) (and (<= ~a29~0 130) .cse5) (and .cse1 (= ~a25~0 12) .cse2) (and .cse8 .cse4 .cse5) (and .cse1 .cse2 (<= .cse6 0)) (and .cse8 .cse0 .cse5))) [2020-10-19 23:14:00,840 INFO L274 CegarLoopResult]: For program point L895(lines 895 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,840 INFO L274 CegarLoopResult]: For program point L697(lines 697 707) no Hoare annotation was computed. [2020-10-19 23:14:00,840 INFO L274 CegarLoopResult]: For program point L697-2(lines 697 707) no Hoare annotation was computed. [2020-10-19 23:14:00,840 INFO L274 CegarLoopResult]: For program point L367(lines 367 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,841 INFO L274 CegarLoopResult]: For program point L301(lines 301 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,841 INFO L274 CegarLoopResult]: For program point L235(lines 235 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,841 INFO L274 CegarLoopResult]: For program point L169-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,841 INFO L274 CegarLoopResult]: For program point L103-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,841 INFO L274 CegarLoopResult]: For program point L37-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,842 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-10-19 23:14:00,842 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-10-19 23:14:00,842 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-10-19 23:14:00,842 INFO L277 CegarLoopResult]: At program point L1030(lines 1030 1046) the Hoare annotation is: true [2020-10-19 23:14:00,843 INFO L274 CegarLoopResult]: For program point L568(lines 568 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,843 INFO L274 CegarLoopResult]: For program point L502(lines 502 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,843 INFO L274 CegarLoopResult]: For program point L172-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,843 INFO L274 CegarLoopResult]: For program point L106-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,843 INFO L274 CegarLoopResult]: For program point L40-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,843 INFO L274 CegarLoopResult]: For program point L965(lines 965 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,844 INFO L274 CegarLoopResult]: For program point L833(lines 833 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,844 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-10-19 23:14:00,844 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-10-19 23:14:00,844 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-10-19 23:14:00,844 INFO L274 CegarLoopResult]: For program point L900(lines 900 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,845 INFO L274 CegarLoopResult]: For program point L438(lines 438 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,845 INFO L274 CegarLoopResult]: For program point L372(lines 372 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,845 INFO L274 CegarLoopResult]: For program point L637(lines 637 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,845 INFO L274 CegarLoopResult]: For program point L307(lines 307 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,845 INFO L274 CegarLoopResult]: For program point L175-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,845 INFO L274 CegarLoopResult]: For program point L109-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,846 INFO L274 CegarLoopResult]: For program point L43-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,846 INFO L274 CegarLoopResult]: For program point L242(lines 242 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,846 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-10-19 23:14:00,846 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-10-19 23:14:00,846 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-10-19 23:14:00,846 INFO L274 CegarLoopResult]: For program point L771(lines 771 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,846 INFO L270 CegarLoopResult]: At program point L1036-2(lines 1036 1045) the Hoare annotation is: (let ((.cse3 (<= ~a23~0 138)) (.cse7 (<= (+ ~a29~0 22) 0)) (.cse4 (<= ~a25~0 10)) (.cse1 (= ~a4~0 0)) (.cse2 (<= ~a29~0 599998)) (.cse6 (+ ~a23~0 43)) (.cse8 (<= ~a29~0 599999)) (.cse0 (= ~a25~0 11)) (.cse5 (= ~a4~0 1))) (or (and .cse0 .cse1 (<= ~a23~0 312) .cse2) (and .cse3 .cse4 .cse5 (< 0 .cse6)) (and (<= 307 ~a23~0) .cse2 .cse5) (and .cse4 .cse3 .cse1 .cse2) (and .cse2 (<= 13 ~a25~0) .cse5) (and .cse3 .cse1 .cse7) (and .cse4 .cse1 .cse7) (and (<= ~a29~0 130) .cse5) (and .cse1 (= ~a25~0 12) .cse2) (and .cse8 .cse4 .cse5) (and .cse1 .cse2 (<= .cse6 0)) (and .cse8 .cse0 .cse5))) [2020-10-19 23:14:00,846 INFO L274 CegarLoopResult]: For program point L838(lines 838 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,847 INFO L274 CegarLoopResult]: For program point L574(lines 574 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,847 INFO L274 CegarLoopResult]: For program point L178-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,847 INFO L274 CegarLoopResult]: For program point L112-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,847 INFO L274 CegarLoopResult]: For program point L46-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,847 INFO L274 CegarLoopResult]: For program point L971(lines 971 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,847 INFO L274 CegarLoopResult]: For program point L905(lines 905 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,847 INFO L274 CegarLoopResult]: For program point L509(lines 509 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,847 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-10-19 23:14:00,847 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-10-19 23:14:00,847 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-10-19 23:14:00,847 INFO L274 CegarLoopResult]: For program point L972(lines 972 982) no Hoare annotation was computed. [2020-10-19 23:14:00,848 INFO L274 CegarLoopResult]: For program point L906(lines 906 916) no Hoare annotation was computed. [2020-10-19 23:14:00,848 INFO L274 CegarLoopResult]: For program point L972-2(lines 972 982) no Hoare annotation was computed. [2020-10-19 23:14:00,848 INFO L274 CegarLoopResult]: For program point L906-2(lines 906 916) no Hoare annotation was computed. [2020-10-19 23:14:00,848 INFO L274 CegarLoopResult]: For program point L708(lines 708 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,848 INFO L274 CegarLoopResult]: For program point L312(lines 312 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,848 INFO L274 CegarLoopResult]: For program point L577(lines 577 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,849 INFO L274 CegarLoopResult]: For program point L445(lines 445 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,849 INFO L274 CegarLoopResult]: For program point L379(lines 379 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,849 INFO L274 CegarLoopResult]: For program point L181-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,849 INFO L274 CegarLoopResult]: For program point L115-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,849 INFO L274 CegarLoopResult]: For program point L49-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,849 INFO L274 CegarLoopResult]: For program point L776(lines 776 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,849 INFO L274 CegarLoopResult]: For program point L644(lines 644 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,850 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-10-19 23:14:00,850 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-10-19 23:14:00,850 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-10-19 23:14:00,850 INFO L274 CegarLoopResult]: For program point L1041(line 1041) no Hoare annotation was computed. [2020-10-19 23:14:00,850 INFO L274 CegarLoopResult]: For program point L843(lines 843 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,850 INFO L274 CegarLoopResult]: For program point L249(lines 249 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,851 INFO L274 CegarLoopResult]: For program point L184-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,851 INFO L274 CegarLoopResult]: For program point L118-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,851 INFO L274 CegarLoopResult]: For program point L52-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,851 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-10-19 23:14:00,851 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-10-19 23:14:00,851 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-10-19 23:14:00,852 INFO L274 CegarLoopResult]: For program point L714(lines 714 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,852 INFO L274 CegarLoopResult]: For program point L516(lines 516 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,852 INFO L274 CegarLoopResult]: For program point L649(lines 649 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,852 INFO L274 CegarLoopResult]: For program point L583(lines 583 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,852 INFO L274 CegarLoopResult]: For program point L517(lines 517 527) no Hoare annotation was computed. [2020-10-19 23:14:00,853 INFO L274 CegarLoopResult]: For program point L517-2(lines 517 527) no Hoare annotation was computed. [2020-10-19 23:14:00,853 INFO L274 CegarLoopResult]: For program point L319(lines 319 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,853 INFO L274 CegarLoopResult]: For program point L187-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,853 INFO L274 CegarLoopResult]: For program point L121-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,853 INFO L274 CegarLoopResult]: For program point L55-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,853 INFO L274 CegarLoopResult]: For program point L848(lines 848 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,853 INFO L274 CegarLoopResult]: For program point L782(lines 782 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,853 INFO L274 CegarLoopResult]: For program point L650(lines 650 659) no Hoare annotation was computed. [2020-10-19 23:14:00,854 INFO L274 CegarLoopResult]: For program point L650-2(lines 650 659) no Hoare annotation was computed. [2020-10-19 23:14:00,854 INFO L274 CegarLoopResult]: For program point L452(lines 452 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,854 INFO L274 CegarLoopResult]: For program point L386(lines 386 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,854 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-10-19 23:14:00,854 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-10-19 23:14:00,854 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-10-19 23:14:00,854 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-19 23:14:00,854 INFO L274 CegarLoopResult]: For program point L256(lines 256 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,854 INFO L274 CegarLoopResult]: For program point L190-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,854 INFO L274 CegarLoopResult]: For program point L124-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,855 INFO L274 CegarLoopResult]: For program point L58-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,855 INFO L274 CegarLoopResult]: For program point L983(lines 983 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,855 INFO L274 CegarLoopResult]: For program point L917(lines 917 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,855 INFO L274 CegarLoopResult]: For program point L719(lines 719 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,855 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-10-19 23:14:00,855 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-10-19 23:14:00,855 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-10-19 23:14:00,855 INFO L274 CegarLoopResult]: For program point L918(lines 918 928) no Hoare annotation was computed. [2020-10-19 23:14:00,855 INFO L274 CegarLoopResult]: For program point L918-2(lines 918 928) no Hoare annotation was computed. [2020-10-19 23:14:00,855 INFO L274 CegarLoopResult]: For program point L720(lines 720 732) no Hoare annotation was computed. [2020-10-19 23:14:00,855 INFO L274 CegarLoopResult]: For program point L720-2(lines 720 732) no Hoare annotation was computed. [2020-10-19 23:14:00,856 INFO L274 CegarLoopResult]: For program point L588(lines 588 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,856 INFO L274 CegarLoopResult]: For program point L324(lines 324 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,856 INFO L274 CegarLoopResult]: For program point L589(lines 589 599) no Hoare annotation was computed. [2020-10-19 23:14:00,856 INFO L274 CegarLoopResult]: For program point L589-2(lines 589 599) no Hoare annotation was computed. [2020-10-19 23:14:00,856 INFO L274 CegarLoopResult]: For program point L193-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,856 INFO L274 CegarLoopResult]: For program point L127-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,856 INFO L274 CegarLoopResult]: For program point L61-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,856 INFO L274 CegarLoopResult]: For program point L854(lines 854 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,856 INFO L274 CegarLoopResult]: For program point L458(lines 458 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,856 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-10-19 23:14:00,856 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-10-19 23:14:00,857 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-10-19 23:14:00,857 INFO L274 CegarLoopResult]: For program point L789(lines 789 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,857 INFO L274 CegarLoopResult]: For program point L393(lines 393 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,857 INFO L274 CegarLoopResult]: For program point L262(lines 262 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,857 INFO L274 CegarLoopResult]: For program point L196-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,857 INFO L274 CegarLoopResult]: For program point L130-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,858 INFO L274 CegarLoopResult]: For program point L64-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,858 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-10-19 23:14:00,858 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-10-19 23:14:00,858 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-10-19 23:14:00,858 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-19 23:14:00,858 INFO L274 CegarLoopResult]: For program point L990(lines 990 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,858 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-19 23:14:00,858 INFO L274 CegarLoopResult]: For program point L660(lines 660 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,858 INFO L274 CegarLoopResult]: For program point L528(lines 528 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,859 INFO L274 CegarLoopResult]: For program point L331(lines 331 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,859 INFO L274 CegarLoopResult]: For program point L199-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,859 INFO L274 CegarLoopResult]: For program point L133-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,859 INFO L274 CegarLoopResult]: For program point L67-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,859 INFO L274 CegarLoopResult]: For program point L794(lines 794 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,859 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-10-19 23:14:00,859 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-10-19 23:14:00,860 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-10-19 23:14:00,860 INFO L274 CegarLoopResult]: For program point L861(lines 861 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,860 INFO L274 CegarLoopResult]: For program point L465(lines 465 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,860 INFO L274 CegarLoopResult]: For program point L267(lines 267 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,860 INFO L274 CegarLoopResult]: For program point L400(lines 400 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,861 INFO L274 CegarLoopResult]: For program point L202-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,861 INFO L274 CegarLoopResult]: For program point L136-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,861 INFO L274 CegarLoopResult]: For program point L70-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,861 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-19 23:14:00,861 INFO L274 CegarLoopResult]: For program point L995(lines 995 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,861 INFO L274 CegarLoopResult]: For program point L929(lines 929 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,862 INFO L274 CegarLoopResult]: For program point L665(lines 665 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,862 INFO L274 CegarLoopResult]: For program point L533(lines 533 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,862 INFO L274 CegarLoopResult]: For program point L401(lines 401 412) no Hoare annotation was computed. [2020-10-19 23:14:00,862 INFO L274 CegarLoopResult]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2020-10-19 23:14:00,862 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-10-19 23:14:00,863 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-10-19 23:14:00,863 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-10-19 23:14:00,863 INFO L274 CegarLoopResult]: For program point L600(lines 600 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,863 INFO L274 CegarLoopResult]: For program point L336(lines 336 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,863 INFO L274 CegarLoopResult]: For program point L270(lines 270 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,863 INFO L274 CegarLoopResult]: For program point L733(lines 733 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,864 INFO L274 CegarLoopResult]: For program point L205-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,864 INFO L274 CegarLoopResult]: For program point L139-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,864 INFO L274 CegarLoopResult]: For program point L73-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,864 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-10-19 23:14:00,864 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-10-19 23:14:00,865 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-10-19 23:14:00,865 INFO L274 CegarLoopResult]: For program point L867(lines 867 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,865 INFO L274 CegarLoopResult]: For program point L801(lines 801 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,865 INFO L274 CegarLoopResult]: For program point L934(lines 934 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,865 INFO L274 CegarLoopResult]: For program point L868(lines 868 877) no Hoare annotation was computed. [2020-10-19 23:14:00,865 INFO L274 CegarLoopResult]: For program point L868-2(lines 868 877) no Hoare annotation was computed. [2020-10-19 23:14:00,866 INFO L274 CegarLoopResult]: For program point L472(lines 472 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,866 INFO L274 CegarLoopResult]: For program point L142-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,866 INFO L274 CegarLoopResult]: For program point L76-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,866 INFO L274 CegarLoopResult]: For program point L605(lines 605 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,866 INFO L274 CegarLoopResult]: For program point L539(lines 539 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,866 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-10-19 23:14:00,867 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-10-19 23:14:00,867 INFO L274 CegarLoopResult]: For program point L1002(lines 1002 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,867 INFO L274 CegarLoopResult]: For program point L672(lines 672 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,867 INFO L274 CegarLoopResult]: For program point L606(lines 606 616) no Hoare annotation was computed. [2020-10-19 23:14:00,867 INFO L274 CegarLoopResult]: For program point L606-2(lines 606 616) no Hoare annotation was computed. [2020-10-19 23:14:00,867 INFO L274 CegarLoopResult]: For program point L342(lines 342 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,868 INFO L274 CegarLoopResult]: For program point L277(lines 277 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,868 INFO L274 CegarLoopResult]: For program point L145-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,868 INFO L274 CegarLoopResult]: For program point L79-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,868 INFO L274 CegarLoopResult]: For program point L806(lines 806 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,868 INFO L274 CegarLoopResult]: For program point L740(lines 740 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,868 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-10-19 23:14:00,869 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-10-19 23:14:00,869 INFO L274 CegarLoopResult]: For program point L807(lines 807 817) no Hoare annotation was computed. [2020-10-19 23:14:00,869 INFO L274 CegarLoopResult]: For program point L807-2(lines 807 817) no Hoare annotation was computed. [2020-10-19 23:14:00,869 INFO L274 CegarLoopResult]: For program point L544(lines 544 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,869 INFO L274 CegarLoopResult]: For program point L148-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,869 INFO L274 CegarLoopResult]: For program point L82-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,870 INFO L274 CegarLoopResult]: For program point L1007(lines 1007 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,870 INFO L274 CegarLoopResult]: For program point L941(lines 941 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,870 INFO L274 CegarLoopResult]: For program point L677(lines 677 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,870 INFO L274 CegarLoopResult]: For program point L479(lines 479 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,870 INFO L274 CegarLoopResult]: For program point L413(lines 413 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,871 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-10-19 23:14:00,871 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-10-19 23:14:00,871 INFO L274 CegarLoopResult]: For program point L942(lines 942 954) no Hoare annotation was computed. [2020-10-19 23:14:00,871 INFO L274 CegarLoopResult]: For program point L942-2(lines 942 954) no Hoare annotation was computed. [2020-10-19 23:14:00,871 INFO L274 CegarLoopResult]: For program point L480(lines 480 488) no Hoare annotation was computed. [2020-10-19 23:14:00,871 INFO L274 CegarLoopResult]: For program point L480-2(lines 480 488) no Hoare annotation was computed. [2020-10-19 23:14:00,872 INFO L274 CegarLoopResult]: For program point L348(lines 348 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,872 INFO L274 CegarLoopResult]: For program point L282(lines 282 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,872 INFO L274 CegarLoopResult]: For program point L216(lines 216 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,872 INFO L274 CegarLoopResult]: For program point L745(lines 745 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,872 INFO L274 CegarLoopResult]: For program point L151-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,872 INFO L274 CegarLoopResult]: For program point L85-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,873 INFO L274 CegarLoopResult]: For program point L878(lines 878 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,873 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-19 23:14:00,873 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-10-19 23:14:00,873 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-10-19 23:14:00,873 INFO L274 CegarLoopResult]: For program point L154-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,873 INFO L274 CegarLoopResult]: For program point L88-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,874 INFO L274 CegarLoopResult]: For program point L683(lines 683 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,874 INFO L274 CegarLoopResult]: For program point L617(lines 617 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,874 INFO L274 CegarLoopResult]: For program point L551(lines 551 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,874 INFO L274 CegarLoopResult]: For program point L419(lines 419 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,874 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-10-19 23:14:00,874 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-10-19 23:14:00,875 INFO L274 CegarLoopResult]: For program point L1014(lines 1014 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,875 INFO L274 CegarLoopResult]: For program point L883(lines 883 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,875 INFO L274 CegarLoopResult]: For program point L355(lines 355 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,875 INFO L274 CegarLoopResult]: For program point L289(lines 289 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,875 INFO L274 CegarLoopResult]: For program point L223(lines 223 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,875 INFO L274 CegarLoopResult]: For program point L157-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,876 INFO L274 CegarLoopResult]: For program point L91-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,876 INFO L274 CegarLoopResult]: For program point L25(lines 25 27) no Hoare annotation was computed. [2020-10-19 23:14:00,876 INFO L274 CegarLoopResult]: For program point L25-2(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,876 INFO L274 CegarLoopResult]: For program point L818(lines 818 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,876 INFO L274 CegarLoopResult]: For program point L752(lines 752 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,876 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-10-19 23:14:00,877 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-19 23:14:00,877 INFO L274 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2020-10-19 23:14:00,877 INFO L274 CegarLoopResult]: For program point L489(lines 489 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,877 INFO L274 CegarLoopResult]: For program point L490(lines 490 501) no Hoare annotation was computed. [2020-10-19 23:14:00,877 INFO L274 CegarLoopResult]: For program point L424(lines 424 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,877 INFO L274 CegarLoopResult]: For program point L490-2(lines 490 501) no Hoare annotation was computed. [2020-10-19 23:14:00,878 INFO L274 CegarLoopResult]: For program point L160-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,878 INFO L274 CegarLoopResult]: For program point L94-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,878 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-19 23:14:00,878 INFO L274 CegarLoopResult]: For program point L28-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,879 INFO L274 CegarLoopResult]: For program point L1019(lines 1019 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,879 INFO L274 CegarLoopResult]: For program point L623(lines 623 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,879 INFO L274 CegarLoopResult]: For program point L557(lines 557 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,879 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-10-19 23:14:00,879 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-10-19 23:14:00,879 INFO L274 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-10-19 23:14:00,880 INFO L274 CegarLoopResult]: For program point L888(lines 888 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,880 INFO L274 CegarLoopResult]: For program point L690(lines 690 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,880 INFO L274 CegarLoopResult]: For program point L360(lines 360 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,880 INFO L274 CegarLoopResult]: For program point L955(lines 955 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,880 INFO L274 CegarLoopResult]: For program point L229(lines 229 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,881 INFO L274 CegarLoopResult]: For program point L163-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,881 INFO L274 CegarLoopResult]: For program point L97-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,881 INFO L274 CegarLoopResult]: For program point L31-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,881 INFO L274 CegarLoopResult]: For program point L824(lines 824 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,881 INFO L274 CegarLoopResult]: For program point L296(lines 296 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,882 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-10-19 23:14:00,882 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-10-19 23:14:00,882 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-10-19 23:14:00,882 INFO L274 CegarLoopResult]: For program point L759(lines 759 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,882 INFO L274 CegarLoopResult]: For program point L760(lines 760 770) no Hoare annotation was computed. [2020-10-19 23:14:00,882 INFO L274 CegarLoopResult]: For program point L760-2(lines 760 770) no Hoare annotation was computed. [2020-10-19 23:14:00,883 INFO L274 CegarLoopResult]: For program point L166-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,883 INFO L274 CegarLoopResult]: For program point L100-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,883 INFO L274 CegarLoopResult]: For program point L34-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:14:00,883 INFO L274 CegarLoopResult]: For program point L827(lines 827 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,883 INFO L274 CegarLoopResult]: For program point L563(lines 563 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,883 INFO L274 CegarLoopResult]: For program point L431(lines 431 1026) no Hoare annotation was computed. [2020-10-19 23:14:00,884 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-10-19 23:14:00,884 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-10-19 23:14:00,884 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-10-19 23:14:00,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 11:14:00 BoogieIcfgContainer [2020-10-19 23:14:00,909 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 23:14:00,910 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 23:14:00,910 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 23:14:00,911 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 23:14:00,911 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:13:30" (3/4) ... [2020-10-19 23:14:00,915 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-19 23:14:01,046 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-19 23:14:01,049 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-19 23:14:01,050 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 23:14:01,052 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 23:14:01,302 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 23:14:01,303 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 23:14:01,304 INFO L168 Benchmark]: Toolchain (without parser) took 34639.42 ms. Allocated memory was 35.1 MB in the beginning and 450.9 MB in the end (delta: 415.8 MB). Free memory was 8.8 MB in the beginning and 381.9 MB in the end (delta: -373.1 MB). Peak memory consumption was 372.0 MB. Max. memory is 14.3 GB. [2020-10-19 23:14:01,305 INFO L168 Benchmark]: CDTParser took 0.76 ms. Allocated memory is still 33.0 MB. Free memory was 17.9 MB in the beginning and 17.9 MB in the end (delta: 39.9 kB). Peak memory consumption was 39.9 kB. Max. memory is 14.3 GB. [2020-10-19 23:14:01,305 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1022.06 ms. Allocated memory was 35.1 MB in the beginning and 47.7 MB in the end (delta: 12.6 MB). Free memory was 7.8 MB in the beginning and 17.7 MB in the end (delta: -9.9 MB). Peak memory consumption was 8.5 MB. Max. memory is 14.3 GB. [2020-10-19 23:14:01,306 INFO L168 Benchmark]: Boogie Procedure Inliner took 205.53 ms. Allocated memory is still 47.7 MB. Free memory was 17.7 MB in the beginning and 12.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 10.3 MB. Max. memory is 14.3 GB. [2020-10-19 23:14:01,308 INFO L168 Benchmark]: Boogie Preprocessor took 328.67 ms. Allocated memory was 47.7 MB in the beginning and 60.3 MB in the end (delta: 12.6 MB). Free memory was 12.8 MB in the beginning and 29.0 MB in the end (delta: -16.2 MB). Peak memory consumption was 14.6 MB. Max. memory is 14.3 GB. [2020-10-19 23:14:01,309 INFO L168 Benchmark]: RCFGBuilder took 2165.92 ms. Allocated memory was 60.3 MB in the beginning and 88.1 MB in the end (delta: 27.8 MB). Free memory was 29.0 MB in the beginning and 41.2 MB in the end (delta: -12.3 MB). Peak memory consumption was 34.8 MB. Max. memory is 14.3 GB. [2020-10-19 23:14:01,309 INFO L168 Benchmark]: TraceAbstraction took 30512.81 ms. Allocated memory was 88.1 MB in the beginning and 421.0 MB in the end (delta: 332.9 MB). Free memory was 40.6 MB in the beginning and 34.0 MB in the end (delta: 6.6 MB). Peak memory consumption was 339.6 MB. Max. memory is 14.3 GB. [2020-10-19 23:14:01,309 INFO L168 Benchmark]: Witness Printer took 392.91 ms. Allocated memory was 421.0 MB in the beginning and 450.9 MB in the end (delta: 29.9 MB). Free memory was 34.0 MB in the beginning and 381.9 MB in the end (delta: -347.9 MB). Peak memory consumption was 11.4 MB. Max. memory is 14.3 GB. [2020-10-19 23:14:01,313 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76 ms. Allocated memory is still 33.0 MB. Free memory was 17.9 MB in the beginning and 17.9 MB in the end (delta: 39.9 kB). Peak memory consumption was 39.9 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 1022.06 ms. Allocated memory was 35.1 MB in the beginning and 47.7 MB in the end (delta: 12.6 MB). Free memory was 7.8 MB in the beginning and 17.7 MB in the end (delta: -9.9 MB). Peak memory consumption was 8.5 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 205.53 ms. Allocated memory is still 47.7 MB. Free memory was 17.7 MB in the beginning and 12.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 10.3 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 328.67 ms. Allocated memory was 47.7 MB in the beginning and 60.3 MB in the end (delta: 12.6 MB). Free memory was 12.8 MB in the beginning and 29.0 MB in the end (delta: -16.2 MB). Peak memory consumption was 14.6 MB. Max. memory is 14.3 GB. * RCFGBuilder took 2165.92 ms. Allocated memory was 60.3 MB in the beginning and 88.1 MB in the end (delta: 27.8 MB). Free memory was 29.0 MB in the beginning and 41.2 MB in the end (delta: -12.3 MB). Peak memory consumption was 34.8 MB. Max. memory is 14.3 GB. * TraceAbstraction took 30512.81 ms. Allocated memory was 88.1 MB in the beginning and 421.0 MB in the end (delta: 332.9 MB). Free memory was 40.6 MB in the beginning and 34.0 MB in the end (delta: 6.6 MB). Peak memory consumption was 339.6 MB. Max. memory is 14.3 GB. * Witness Printer took 392.91 ms. Allocated memory was 421.0 MB in the beginning and 450.9 MB in the end (delta: 29.9 MB). Free memory was 34.0 MB in the beginning and 381.9 MB in the end (delta: -347.9 MB). Peak memory consumption was 11.4 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: 24]: Loop Invariant Derived loop invariant: (((((((((((((a25 == 11 && a4 == 0) && a23 <= 312) && a29 <= 599998) || (((a23 <= 138 && a25 <= 10) && a4 == 1) && 0 < a23 + 43)) || ((307 <= a23 && a29 <= 599998) && a4 == 1)) || (((a25 <= 10 && a23 <= 138) && a4 == 0) && a29 <= 599998)) || ((a29 <= 599998 && 13 <= a25) && a4 == 1)) || ((a23 <= 138 && a4 == 0) && a29 + 22 <= 0)) || ((a25 <= 10 && a4 == 0) && a29 + 22 <= 0)) || (a29 <= 130 && a4 == 1)) || ((a4 == 0 && a25 == 12) && a29 <= 599998)) || ((a29 <= 599999 && a25 <= 10) && a4 == 1)) || ((a4 == 0 && a29 <= 599998) && a23 + 43 <= 0)) || ((a29 <= 599999 && a25 == 11) && a4 == 1) - InvariantResult [Line: 1030]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1036]: Loop Invariant Derived loop invariant: (((((((((((((a25 == 11 && a4 == 0) && a23 <= 312) && a29 <= 599998) || (((a23 <= 138 && a25 <= 10) && a4 == 1) && 0 < a23 + 43)) || ((307 <= a23 && a29 <= 599998) && a4 == 1)) || (((a25 <= 10 && a23 <= 138) && a4 == 0) && a29 <= 599998)) || ((a29 <= 599998 && 13 <= a25) && a4 == 1)) || ((a23 <= 138 && a4 == 0) && a29 + 22 <= 0)) || ((a25 <= 10 && a4 == 0) && a29 + 22 <= 0)) || (a29 <= 130 && a4 == 1)) || ((a4 == 0 && a25 == 12) && a29 <= 599998)) || ((a29 <= 599999 && a25 <= 10) && a4 == 1)) || ((a4 == 0 && a29 <= 599998) && a23 + 43 <= 0)) || ((a29 <= 599999 && a25 == 11) && a4 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 284 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 29.0s, OverallIterations: 14, TraceHistogramMax: 7, AutomataDifference: 20.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2803 SDtfs, 2367 SDslu, 373 SDs, 0 SdLazy, 9184 SolverSat, 1707 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 279 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8717occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 14 MinimizatonAttempts, 4661 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 117 NumberOfFragments, 271 HoareAnnotationTreeSize, 3 FomulaSimplifications, 4492 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 3 FomulaSimplificationsInter, 3330 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 5152 NumberOfCodeBlocks, 5152 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 5137 ConstructedInterpolants, 0 QuantifiedInterpolants, 4842215 SizeOfPredicates, 1 NumberOfNonLiveVariables, 362 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 15 InterpolantComputations, 14 PerfectInterpolantSequences, 7429/7431 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...