./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label04.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 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_1.5.800.v20200727-1323.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_label04.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 e392abf9a5205c2f0feae2d72db9fa157340f739 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-25 20:28:04,283 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 20:28:04,288 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 20:28:04,354 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 20:28:04,354 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 20:28:04,362 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 20:28:04,365 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 20:28:04,374 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 20:28:04,385 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 20:28:04,387 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 20:28:04,388 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 20:28:04,393 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 20:28:04,393 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 20:28:04,395 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 20:28:04,399 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 20:28:04,402 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 20:28:04,404 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 20:28:04,410 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 20:28:04,416 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 20:28:04,435 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 20:28:04,437 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 20:28:04,439 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 20:28:04,443 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 20:28:04,445 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 20:28:04,449 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 20:28:04,451 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 20:28:04,451 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 20:28:04,454 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 20:28:04,455 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 20:28:04,456 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 20:28:04,457 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 20:28:04,458 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 20:28:04,460 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 20:28:04,461 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 20:28:04,463 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 20:28:04,463 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 20:28:04,464 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 20:28:04,465 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 20:28:04,465 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 20:28:04,469 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 20:28:04,471 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 20:28:04,472 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 20:28:04,526 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 20:28:04,527 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 20:28:04,532 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 20:28:04,533 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 20:28:04,533 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 20:28:04,533 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 20:28:04,534 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 20:28:04,534 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 20:28:04,534 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 20:28:04,534 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 20:28:04,536 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 20:28:04,536 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 20:28:04,537 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 20:28:04,537 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 20:28:04,537 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 20:28:04,537 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 20:28:04,538 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 20:28:04,538 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 20:28:04,538 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 20:28:04,539 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 20:28:04,539 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 20:28:04,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 20:28:04,539 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 20:28:04,540 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 20:28:04,540 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 20:28:04,540 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 20:28:04,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 20:28:04,541 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 20:28:04,541 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 20:28:04,541 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e392abf9a5205c2f0feae2d72db9fa157340f739 [2020-10-25 20:28:05,044 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 20:28:05,094 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 20:28:05,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 20:28:05,099 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 20:28:05,101 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 20:28:05,102 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label04.c [2020-10-25 20:28:05,192 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0350f2b2/a31087cc338b473bac0655819a4a5770/FLAG44e08f360 [2020-10-25 20:28:06,018 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 20:28:06,018 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label04.c [2020-10-25 20:28:06,034 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0350f2b2/a31087cc338b473bac0655819a4a5770/FLAG44e08f360 [2020-10-25 20:28:06,188 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0350f2b2/a31087cc338b473bac0655819a4a5770 [2020-10-25 20:28:06,191 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 20:28:06,198 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 20:28:06,200 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 20:28:06,200 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 20:28:06,204 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 20:28:06,205 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 08:28:06" (1/1) ... [2020-10-25 20:28:06,209 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d5628ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:28:06, skipping insertion in model container [2020-10-25 20:28:06,209 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 08:28:06" (1/1) ... [2020-10-25 20:28:06,218 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 20:28:06,317 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 20:28:06,930 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 20:28:06,942 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 20:28:07,255 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 20:28:07,278 INFO L208 MainTranslator]: Completed translation [2020-10-25 20:28:07,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:28:07 WrapperNode [2020-10-25 20:28:07,280 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 20:28:07,281 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 20:28:07,281 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 20:28:07,282 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 20:28:07,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:28:07" (1/1) ... [2020-10-25 20:28:07,322 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:28:07" (1/1) ... [2020-10-25 20:28:07,452 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 20:28:07,454 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 20:28:07,455 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 20:28:07,455 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 20:28:07,466 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:28:07" (1/1) ... [2020-10-25 20:28:07,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:28:07" (1/1) ... [2020-10-25 20:28:07,496 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:28:07" (1/1) ... [2020-10-25 20:28:07,496 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:28:07" (1/1) ... [2020-10-25 20:28:07,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:28:07" (1/1) ... [2020-10-25 20:28:07,603 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:28:07" (1/1) ... [2020-10-25 20:28:07,628 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:28:07" (1/1) ... [2020-10-25 20:28:07,656 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 20:28:07,657 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 20:28:07,657 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 20:28:07,658 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 20:28:07,659 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:28:07" (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 [2020-10-25 20:28:07,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 20:28:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 20:28:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 20:28:07,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 20:28:10,034 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 20:28:10,034 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-25 20:28:10,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:28:10 BoogieIcfgContainer [2020-10-25 20:28:10,037 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 20:28:10,039 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 20:28:10,039 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 20:28:10,042 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 20:28:10,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 08:28:06" (1/3) ... [2020-10-25 20:28:10,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c75b8d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 08:28:10, skipping insertion in model container [2020-10-25 20:28:10,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:28:07" (2/3) ... [2020-10-25 20:28:10,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c75b8d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 08:28:10, skipping insertion in model container [2020-10-25 20:28:10,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:28:10" (3/3) ... [2020-10-25 20:28:10,046 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label04.c [2020-10-25 20:28:10,059 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 20:28:10,065 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 20:28:10,080 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 20:28:10,111 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 20:28:10,111 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 20:28:10,111 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 20:28:10,112 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 20:28:10,112 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 20:28:10,112 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 20:28:10,112 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 20:28:10,112 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 20:28:10,135 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states. [2020-10-25 20:28:10,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-25 20:28:10,155 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:28:10,156 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:28:10,157 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:28:10,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:28:10,164 INFO L82 PathProgramCache]: Analyzing trace with hash -92557335, now seen corresponding path program 1 times [2020-10-25 20:28:10,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:28:10,176 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250260079] [2020-10-25 20:28:10,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:28:10,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:28:10,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:28:10,534 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250260079] [2020-10-25 20:28:10,535 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:28:10,536 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 20:28:10,537 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375729615] [2020-10-25 20:28:10,544 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:28:10,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:28:10,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:28:10,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:28:10,567 INFO L87 Difference]: Start difference. First operand 284 states. Second operand 3 states. [2020-10-25 20:28:12,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:28:12,601 INFO L93 Difference]: Finished difference Result 764 states and 1353 transitions. [2020-10-25 20:28:12,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:28:12,604 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-10-25 20:28:12,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:28:12,623 INFO L225 Difference]: With dead ends: 764 [2020-10-25 20:28:12,623 INFO L226 Difference]: Without dead ends: 416 [2020-10-25 20:28:12,629 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 [2020-10-25 20:28:12,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2020-10-25 20:28:12,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 408. [2020-10-25 20:28:12,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 408 states. [2020-10-25 20:28:12,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 657 transitions. [2020-10-25 20:28:12,709 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 657 transitions. Word has length 53 [2020-10-25 20:28:12,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:28:12,710 INFO L481 AbstractCegarLoop]: Abstraction has 408 states and 657 transitions. [2020-10-25 20:28:12,710 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:28:12,710 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 657 transitions. [2020-10-25 20:28:12,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-10-25 20:28:12,716 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:28:12,717 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:28:12,717 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 20:28:12,717 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:28:12,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:28:12,720 INFO L82 PathProgramCache]: Analyzing trace with hash -799094778, now seen corresponding path program 1 times [2020-10-25 20:28:12,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:28:12,721 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520914978] [2020-10-25 20:28:12,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:28:12,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:28:12,894 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:28:12,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520914978] [2020-10-25 20:28:12,895 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:28:12,895 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 20:28:12,896 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735176824] [2020-10-25 20:28:12,897 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:28:12,898 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:28:12,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:28:12,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:28:12,899 INFO L87 Difference]: Start difference. First operand 408 states and 657 transitions. Second operand 3 states. [2020-10-25 20:28:14,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:28:14,305 INFO L93 Difference]: Finished difference Result 1189 states and 1922 transitions. [2020-10-25 20:28:14,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:28:14,306 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 118 [2020-10-25 20:28:14,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:28:14,316 INFO L225 Difference]: With dead ends: 1189 [2020-10-25 20:28:14,316 INFO L226 Difference]: Without dead ends: 783 [2020-10-25 20:28:14,324 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 [2020-10-25 20:28:14,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2020-10-25 20:28:14,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 783. [2020-10-25 20:28:14,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 783 states. [2020-10-25 20:28:14,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 783 states and 1128 transitions. [2020-10-25 20:28:14,405 INFO L78 Accepts]: Start accepts. Automaton has 783 states and 1128 transitions. Word has length 118 [2020-10-25 20:28:14,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:28:14,407 INFO L481 AbstractCegarLoop]: Abstraction has 783 states and 1128 transitions. [2020-10-25 20:28:14,408 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:28:14,408 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 1128 transitions. [2020-10-25 20:28:14,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-25 20:28:14,419 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:28:14,419 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, 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] [2020-10-25 20:28:14,421 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 20:28:14,421 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:28:14,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:28:14,424 INFO L82 PathProgramCache]: Analyzing trace with hash 623343278, now seen corresponding path program 1 times [2020-10-25 20:28:14,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:28:14,425 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26502057] [2020-10-25 20:28:14,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:28:14,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:28:14,614 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:28:14,615 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26502057] [2020-10-25 20:28:14,615 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:28:14,615 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 20:28:14,615 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937283498] [2020-10-25 20:28:14,616 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:28:14,616 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:28:14,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:28:14,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:28:14,618 INFO L87 Difference]: Start difference. First operand 783 states and 1128 transitions. Second operand 3 states. [2020-10-25 20:28:16,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:28:16,180 INFO L93 Difference]: Finished difference Result 1942 states and 2803 transitions. [2020-10-25 20:28:16,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:28:16,181 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-10-25 20:28:16,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:28:16,188 INFO L225 Difference]: With dead ends: 1942 [2020-10-25 20:28:16,189 INFO L226 Difference]: Without dead ends: 1161 [2020-10-25 20:28:16,191 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 [2020-10-25 20:28:16,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1161 states. [2020-10-25 20:28:16,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1161 to 1151. [2020-10-25 20:28:16,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1151 states. [2020-10-25 20:28:16,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 1151 states and 1538 transitions. [2020-10-25 20:28:16,234 INFO L78 Accepts]: Start accepts. Automaton has 1151 states and 1538 transitions. Word has length 121 [2020-10-25 20:28:16,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:28:16,237 INFO L481 AbstractCegarLoop]: Abstraction has 1151 states and 1538 transitions. [2020-10-25 20:28:16,237 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:28:16,237 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 1538 transitions. [2020-10-25 20:28:16,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-25 20:28:16,248 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:28:16,248 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, 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] [2020-10-25 20:28:16,248 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 20:28:16,249 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:28:16,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:28:16,251 INFO L82 PathProgramCache]: Analyzing trace with hash -1675105328, now seen corresponding path program 1 times [2020-10-25 20:28:16,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:28:16,252 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116167093] [2020-10-25 20:28:16,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:28:16,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:28:16,500 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:28:16,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116167093] [2020-10-25 20:28:16,501 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:28:16,501 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 20:28:16,502 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122259120] [2020-10-25 20:28:16,502 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:28:16,504 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:28:16,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:28:16,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:28:16,507 INFO L87 Difference]: Start difference. First operand 1151 states and 1538 transitions. Second operand 3 states. [2020-10-25 20:28:17,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:28:17,796 INFO L93 Difference]: Finished difference Result 2853 states and 3736 transitions. [2020-10-25 20:28:17,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:28:17,797 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2020-10-25 20:28:17,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:28:17,808 INFO L225 Difference]: With dead ends: 2853 [2020-10-25 20:28:17,808 INFO L226 Difference]: Without dead ends: 1704 [2020-10-25 20:28:17,811 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 [2020-10-25 20:28:17,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1704 states. [2020-10-25 20:28:17,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1704 to 1519. [2020-10-25 20:28:17,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1519 states. [2020-10-25 20:28:17,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 1519 states and 1924 transitions. [2020-10-25 20:28:17,854 INFO L78 Accepts]: Start accepts. Automaton has 1519 states and 1924 transitions. Word has length 122 [2020-10-25 20:28:17,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:28:17,856 INFO L481 AbstractCegarLoop]: Abstraction has 1519 states and 1924 transitions. [2020-10-25 20:28:17,856 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:28:17,856 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 1924 transitions. [2020-10-25 20:28:17,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-10-25 20:28:17,863 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:28:17,864 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:28:17,864 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 20:28:17,865 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:28:17,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:28:17,867 INFO L82 PathProgramCache]: Analyzing trace with hash 945104371, now seen corresponding path program 1 times [2020-10-25 20:28:17,868 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:28:17,868 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818583358] [2020-10-25 20:28:17,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:28:17,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:28:18,164 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-10-25 20:28:18,165 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818583358] [2020-10-25 20:28:18,165 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:28:18,166 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 20:28:18,166 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416485784] [2020-10-25 20:28:18,166 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:28:18,167 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:28:18,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:28:18,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:28:18,169 INFO L87 Difference]: Start difference. First operand 1519 states and 1924 transitions. Second operand 3 states. [2020-10-25 20:28:19,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:28:19,398 INFO L93 Difference]: Finished difference Result 3963 states and 4902 transitions. [2020-10-25 20:28:19,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:28:19,404 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 196 [2020-10-25 20:28:19,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:28:19,419 INFO L225 Difference]: With dead ends: 3963 [2020-10-25 20:28:19,419 INFO L226 Difference]: Without dead ends: 2446 [2020-10-25 20:28:19,423 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 [2020-10-25 20:28:19,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2446 states. [2020-10-25 20:28:19,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2446 to 2261. [2020-10-25 20:28:19,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2261 states. [2020-10-25 20:28:19,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2261 states to 2261 states and 2763 transitions. [2020-10-25 20:28:19,475 INFO L78 Accepts]: Start accepts. Automaton has 2261 states and 2763 transitions. Word has length 196 [2020-10-25 20:28:19,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:28:19,478 INFO L481 AbstractCegarLoop]: Abstraction has 2261 states and 2763 transitions. [2020-10-25 20:28:19,478 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:28:19,478 INFO L276 IsEmpty]: Start isEmpty. Operand 2261 states and 2763 transitions. [2020-10-25 20:28:19,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-10-25 20:28:19,483 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:28:19,484 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, 3, 3, 3, 3, 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] [2020-10-25 20:28:19,484 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 20:28:19,484 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:28:19,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:28:19,485 INFO L82 PathProgramCache]: Analyzing trace with hash 935240623, now seen corresponding path program 1 times [2020-10-25 20:28:19,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:28:19,485 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042472386] [2020-10-25 20:28:19,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:28:19,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:28:19,812 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:28:19,813 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042472386] [2020-10-25 20:28:19,814 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:28:19,815 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:28:19,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461070853] [2020-10-25 20:28:19,816 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:28:19,816 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:28:19,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:28:19,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:28:19,818 INFO L87 Difference]: Start difference. First operand 2261 states and 2763 transitions. Second operand 3 states. [2020-10-25 20:28:21,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:28:21,260 INFO L93 Difference]: Finished difference Result 5263 states and 6501 transitions. [2020-10-25 20:28:21,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:28:21,261 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 233 [2020-10-25 20:28:21,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:28:21,278 INFO L225 Difference]: With dead ends: 5263 [2020-10-25 20:28:21,278 INFO L226 Difference]: Without dead ends: 3188 [2020-10-25 20:28:21,282 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 [2020-10-25 20:28:21,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3188 states. [2020-10-25 20:28:21,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3188 to 2813. [2020-10-25 20:28:21,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2813 states. [2020-10-25 20:28:21,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2813 states to 2813 states and 3417 transitions. [2020-10-25 20:28:21,346 INFO L78 Accepts]: Start accepts. Automaton has 2813 states and 3417 transitions. Word has length 233 [2020-10-25 20:28:21,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:28:21,347 INFO L481 AbstractCegarLoop]: Abstraction has 2813 states and 3417 transitions. [2020-10-25 20:28:21,347 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:28:21,347 INFO L276 IsEmpty]: Start isEmpty. Operand 2813 states and 3417 transitions. [2020-10-25 20:28:21,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-10-25 20:28:21,352 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:28:21,352 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, 3, 3, 3, 3, 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] [2020-10-25 20:28:21,353 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-25 20:28:21,353 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:28:21,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:28:21,354 INFO L82 PathProgramCache]: Analyzing trace with hash -596222225, now seen corresponding path program 1 times [2020-10-25 20:28:21,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:28:21,354 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375031282] [2020-10-25 20:28:21,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:28:21,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:28:21,556 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-10-25 20:28:21,557 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375031282] [2020-10-25 20:28:21,557 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:28:21,558 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:28:21,558 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422388237] [2020-10-25 20:28:21,559 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:28:21,559 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:28:21,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:28:21,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:28:21,560 INFO L87 Difference]: Start difference. First operand 2813 states and 3417 transitions. Second operand 3 states. [2020-10-25 20:28:23,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:28:23,072 INFO L93 Difference]: Finished difference Result 7281 states and 8947 transitions. [2020-10-25 20:28:23,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:28:23,073 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 234 [2020-10-25 20:28:23,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:28:23,096 INFO L225 Difference]: With dead ends: 7281 [2020-10-25 20:28:23,096 INFO L226 Difference]: Without dead ends: 4470 [2020-10-25 20:28:23,102 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 [2020-10-25 20:28:23,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4470 states. [2020-10-25 20:28:23,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4470 to 3549. [2020-10-25 20:28:23,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3549 states. [2020-10-25 20:28:23,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3549 states to 3549 states and 4333 transitions. [2020-10-25 20:28:23,222 INFO L78 Accepts]: Start accepts. Automaton has 3549 states and 4333 transitions. Word has length 234 [2020-10-25 20:28:23,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:28:23,223 INFO L481 AbstractCegarLoop]: Abstraction has 3549 states and 4333 transitions. [2020-10-25 20:28:23,223 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:28:23,223 INFO L276 IsEmpty]: Start isEmpty. Operand 3549 states and 4333 transitions. [2020-10-25 20:28:23,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2020-10-25 20:28:23,231 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:28:23,231 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:28:23,231 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-25 20:28:23,232 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:28:23,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:28:23,233 INFO L82 PathProgramCache]: Analyzing trace with hash 129955340, now seen corresponding path program 1 times [2020-10-25 20:28:23,233 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:28:23,233 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223262182] [2020-10-25 20:28:23,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:28:23,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:28:23,491 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-10-25 20:28:23,491 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223262182] [2020-10-25 20:28:23,492 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:28:23,492 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:28:23,492 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83790140] [2020-10-25 20:28:23,493 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:28:23,493 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:28:23,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:28:23,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:28:23,494 INFO L87 Difference]: Start difference. First operand 3549 states and 4333 transitions. Second operand 3 states. [2020-10-25 20:28:24,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:28:24,783 INFO L93 Difference]: Finished difference Result 7094 states and 8662 transitions. [2020-10-25 20:28:24,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:28:24,784 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 278 [2020-10-25 20:28:24,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:28:24,802 INFO L225 Difference]: With dead ends: 7094 [2020-10-25 20:28:24,802 INFO L226 Difference]: Without dead ends: 3547 [2020-10-25 20:28:24,809 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 [2020-10-25 20:28:24,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3547 states. [2020-10-25 20:28:24,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3547 to 3363. [2020-10-25 20:28:24,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3363 states. [2020-10-25 20:28:24,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3363 states to 3363 states and 3910 transitions. [2020-10-25 20:28:24,883 INFO L78 Accepts]: Start accepts. Automaton has 3363 states and 3910 transitions. Word has length 278 [2020-10-25 20:28:24,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:28:24,884 INFO L481 AbstractCegarLoop]: Abstraction has 3363 states and 3910 transitions. [2020-10-25 20:28:24,884 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:28:24,884 INFO L276 IsEmpty]: Start isEmpty. Operand 3363 states and 3910 transitions. [2020-10-25 20:28:24,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2020-10-25 20:28:24,893 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:28:24,893 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:28:24,893 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-25 20:28:24,894 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:28:24,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:28:24,894 INFO L82 PathProgramCache]: Analyzing trace with hash -1576030718, now seen corresponding path program 1 times [2020-10-25 20:28:24,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:28:24,895 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133335826] [2020-10-25 20:28:24,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:28:24,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:28:25,231 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2020-10-25 20:28:25,232 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133335826] [2020-10-25 20:28:25,232 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:28:25,232 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 20:28:25,233 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479940599] [2020-10-25 20:28:25,233 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:28:25,233 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:28:25,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:28:25,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:28:25,234 INFO L87 Difference]: Start difference. First operand 3363 states and 3910 transitions. Second operand 3 states. [2020-10-25 20:28:26,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:28:26,010 INFO L93 Difference]: Finished difference Result 6720 states and 7814 transitions. [2020-10-25 20:28:26,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:28:26,011 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 335 [2020-10-25 20:28:26,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:28:26,026 INFO L225 Difference]: With dead ends: 6720 [2020-10-25 20:28:26,027 INFO L226 Difference]: Without dead ends: 3359 [2020-10-25 20:28:26,032 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 [2020-10-25 20:28:26,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3359 states. [2020-10-25 20:28:26,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3359 to 3359. [2020-10-25 20:28:26,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3359 states. [2020-10-25 20:28:26,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3359 states to 3359 states and 3901 transitions. [2020-10-25 20:28:26,095 INFO L78 Accepts]: Start accepts. Automaton has 3359 states and 3901 transitions. Word has length 335 [2020-10-25 20:28:26,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:28:26,096 INFO L481 AbstractCegarLoop]: Abstraction has 3359 states and 3901 transitions. [2020-10-25 20:28:26,096 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:28:26,097 INFO L276 IsEmpty]: Start isEmpty. Operand 3359 states and 3901 transitions. [2020-10-25 20:28:26,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-10-25 20:28:26,105 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:28:26,106 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:28:26,106 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-25 20:28:26,106 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:28:26,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:28:26,107 INFO L82 PathProgramCache]: Analyzing trace with hash -1254834655, now seen corresponding path program 1 times [2020-10-25 20:28:26,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:28:26,108 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174714351] [2020-10-25 20:28:26,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:28:26,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:28:26,669 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 27 proven. 74 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2020-10-25 20:28:26,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174714351] [2020-10-25 20:28:26,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [121504266] [2020-10-25 20:28:26,670 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 [2020-10-25 20:28:26,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:28:26,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 20:28:26,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 20:28:27,178 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2020-10-25 20:28:27,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 20:28:27,179 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-10-25 20:28:27,179 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912085583] [2020-10-25 20:28:27,180 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:28:27,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:28:27,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:28:27,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-25 20:28:27,182 INFO L87 Difference]: Start difference. First operand 3359 states and 3901 transitions. Second operand 3 states. [2020-10-25 20:28:28,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:28:28,923 INFO L93 Difference]: Finished difference Result 8006 states and 9403 transitions. [2020-10-25 20:28:28,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:28:28,924 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 336 [2020-10-25 20:28:28,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:28:28,949 INFO L225 Difference]: With dead ends: 8006 [2020-10-25 20:28:28,949 INFO L226 Difference]: Without dead ends: 4649 [2020-10-25 20:28:28,955 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 335 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-25 20:28:28,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4649 states. [2020-10-25 20:28:29,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4649 to 4094. [2020-10-25 20:28:29,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4094 states. [2020-10-25 20:28:29,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4094 states to 4094 states and 4701 transitions. [2020-10-25 20:28:29,062 INFO L78 Accepts]: Start accepts. Automaton has 4094 states and 4701 transitions. Word has length 336 [2020-10-25 20:28:29,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:28:29,063 INFO L481 AbstractCegarLoop]: Abstraction has 4094 states and 4701 transitions. [2020-10-25 20:28:29,063 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:28:29,063 INFO L276 IsEmpty]: Start isEmpty. Operand 4094 states and 4701 transitions. [2020-10-25 20:28:29,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2020-10-25 20:28:29,076 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:28:29,076 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, 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, 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] [2020-10-25 20:28:29,289 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-10-25 20:28:29,289 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:28:29,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:28:29,291 INFO L82 PathProgramCache]: Analyzing trace with hash 1519429153, now seen corresponding path program 1 times [2020-10-25 20:28:29,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:28:29,291 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135406514] [2020-10-25 20:28:29,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:28:29,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:28:29,798 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 152 proven. 173 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-10-25 20:28:29,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135406514] [2020-10-25 20:28:29,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [500028449] [2020-10-25 20:28:29,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 20:28:29,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:28:29,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-25 20:28:29,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 20:28:30,401 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 305 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-10-25 20:28:30,402 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 20:28:30,402 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-10-25 20:28:30,403 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226891241] [2020-10-25 20:28:30,404 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:28:30,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:28:30,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:28:30,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-25 20:28:30,405 INFO L87 Difference]: Start difference. First operand 4094 states and 4701 transitions. Second operand 3 states. [2020-10-25 20:28:31,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:28:31,957 INFO L93 Difference]: Finished difference Result 8187 states and 9402 transitions. [2020-10-25 20:28:31,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:28:31,958 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 355 [2020-10-25 20:28:31,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:28:31,999 INFO L225 Difference]: With dead ends: 8187 [2020-10-25 20:28:32,000 INFO L226 Difference]: Without dead ends: 4095 [2020-10-25 20:28:32,006 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 358 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-25 20:28:32,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4095 states. [2020-10-25 20:28:32,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4095 to 4095. [2020-10-25 20:28:32,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4095 states. [2020-10-25 20:28:32,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4095 states to 4095 states and 4660 transitions. [2020-10-25 20:28:32,093 INFO L78 Accepts]: Start accepts. Automaton has 4095 states and 4660 transitions. Word has length 355 [2020-10-25 20:28:32,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:28:32,094 INFO L481 AbstractCegarLoop]: Abstraction has 4095 states and 4660 transitions. [2020-10-25 20:28:32,094 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:28:32,098 INFO L276 IsEmpty]: Start isEmpty. Operand 4095 states and 4660 transitions. [2020-10-25 20:28:32,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2020-10-25 20:28:32,111 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:28:32,111 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-25 20:28:32,319 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 20:28:32,320 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:28:32,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:28:32,321 INFO L82 PathProgramCache]: Analyzing trace with hash 740055185, now seen corresponding path program 1 times [2020-10-25 20:28:32,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:28:32,322 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343121038] [2020-10-25 20:28:32,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:28:32,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:28:32,785 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 152 proven. 153 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2020-10-25 20:28:32,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343121038] [2020-10-25 20:28:32,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [806866760] [2020-10-25 20:28:32,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 20:28:32,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:28:32,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-25 20:28:32,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 20:28:32,971 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-25 20:28:32,985 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-25 20:28:33,010 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-25 20:28:33,410 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 305 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2020-10-25 20:28:33,411 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 20:28:33,411 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2020-10-25 20:28:33,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316319241] [2020-10-25 20:28:33,412 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 20:28:33,412 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:28:33,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 20:28:33,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-25 20:28:33,413 INFO L87 Difference]: Start difference. First operand 4095 states and 4660 transitions. Second operand 4 states. [2020-10-25 20:28:35,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:28:35,018 INFO L93 Difference]: Finished difference Result 8743 states and 9970 transitions. [2020-10-25 20:28:35,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:28:35,020 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 369 [2020-10-25 20:28:35,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:28:35,029 INFO L225 Difference]: With dead ends: 8743 [2020-10-25 20:28:35,030 INFO L226 Difference]: Without dead ends: 4650 [2020-10-25 20:28:35,035 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 374 GetRequests, 367 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-25 20:28:35,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4650 states. [2020-10-25 20:28:35,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4650 to 4647. [2020-10-25 20:28:35,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4647 states. [2020-10-25 20:28:35,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4647 states to 4647 states and 5236 transitions. [2020-10-25 20:28:35,104 INFO L78 Accepts]: Start accepts. Automaton has 4647 states and 5236 transitions. Word has length 369 [2020-10-25 20:28:35,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:28:35,105 INFO L481 AbstractCegarLoop]: Abstraction has 4647 states and 5236 transitions. [2020-10-25 20:28:35,105 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 20:28:35,105 INFO L276 IsEmpty]: Start isEmpty. Operand 4647 states and 5236 transitions. [2020-10-25 20:28:35,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2020-10-25 20:28:35,118 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:28:35,119 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-25 20:28:35,332 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-10-25 20:28:35,333 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:28:35,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:28:35,334 INFO L82 PathProgramCache]: Analyzing trace with hash -254537968, now seen corresponding path program 1 times [2020-10-25 20:28:35,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:28:35,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187953742] [2020-10-25 20:28:35,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:28:35,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:28:35,847 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 378 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2020-10-25 20:28:35,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187953742] [2020-10-25 20:28:35,848 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:28:35,848 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:28:35,851 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530253160] [2020-10-25 20:28:35,852 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 20:28:35,853 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:28:35,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 20:28:35,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-25 20:28:35,854 INFO L87 Difference]: Start difference. First operand 4647 states and 5236 transitions. Second operand 4 states. [2020-10-25 20:28:38,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:28:38,426 INFO L93 Difference]: Finished difference Result 12810 states and 14532 transitions. [2020-10-25 20:28:38,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 20:28:38,428 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 390 [2020-10-25 20:28:38,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:28:38,450 INFO L225 Difference]: With dead ends: 12810 [2020-10-25 20:28:38,451 INFO L226 Difference]: Without dead ends: 8165 [2020-10-25 20:28:38,458 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 [2020-10-25 20:28:38,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8165 states. [2020-10-25 20:28:38,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8165 to 7977. [2020-10-25 20:28:38,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7977 states. [2020-10-25 20:28:38,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7977 states to 7977 states and 9013 transitions. [2020-10-25 20:28:38,634 INFO L78 Accepts]: Start accepts. Automaton has 7977 states and 9013 transitions. Word has length 390 [2020-10-25 20:28:38,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:28:38,634 INFO L481 AbstractCegarLoop]: Abstraction has 7977 states and 9013 transitions. [2020-10-25 20:28:38,635 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 20:28:38,635 INFO L276 IsEmpty]: Start isEmpty. Operand 7977 states and 9013 transitions. [2020-10-25 20:28:38,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2020-10-25 20:28:38,651 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:28:38,653 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:28:38,654 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-25 20:28:38,654 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:28:38,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:28:38,655 INFO L82 PathProgramCache]: Analyzing trace with hash -762638670, now seen corresponding path program 1 times [2020-10-25 20:28:38,655 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:28:38,656 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361341458] [2020-10-25 20:28:38,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:28:38,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:28:38,970 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 433 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2020-10-25 20:28:38,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361341458] [2020-10-25 20:28:38,971 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:28:38,971 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:28:38,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182196612] [2020-10-25 20:28:38,972 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:28:38,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:28:38,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:28:38,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:28:38,973 INFO L87 Difference]: Start difference. First operand 7977 states and 9013 transitions. Second operand 3 states. [2020-10-25 20:28:40,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:28:40,450 INFO L93 Difference]: Finished difference Result 17603 states and 20054 transitions. [2020-10-25 20:28:40,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:28:40,451 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 450 [2020-10-25 20:28:40,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:28:40,472 INFO L225 Difference]: With dead ends: 17603 [2020-10-25 20:28:40,472 INFO L226 Difference]: Without dead ends: 9996 [2020-10-25 20:28:40,484 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 [2020-10-25 20:28:40,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9996 states. [2020-10-25 20:28:40,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9996 to 9993. [2020-10-25 20:28:40,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9993 states. [2020-10-25 20:28:40,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9993 states to 9993 states and 11148 transitions. [2020-10-25 20:28:40,657 INFO L78 Accepts]: Start accepts. Automaton has 9993 states and 11148 transitions. Word has length 450 [2020-10-25 20:28:40,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:28:40,658 INFO L481 AbstractCegarLoop]: Abstraction has 9993 states and 11148 transitions. [2020-10-25 20:28:40,658 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:28:40,658 INFO L276 IsEmpty]: Start isEmpty. Operand 9993 states and 11148 transitions. [2020-10-25 20:28:40,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2020-10-25 20:28:40,677 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:28:40,677 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2020-10-25 20:28:40,677 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-25 20:28:40,678 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:28:40,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:28:40,678 INFO L82 PathProgramCache]: Analyzing trace with hash 2018170381, now seen corresponding path program 1 times [2020-10-25 20:28:40,678 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:28:40,679 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116132084] [2020-10-25 20:28:40,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:28:40,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:28:41,040 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 382 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2020-10-25 20:28:41,040 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116132084] [2020-10-25 20:28:41,041 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:28:41,041 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:28:41,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767266097] [2020-10-25 20:28:41,042 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:28:41,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:28:41,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:28:41,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:28:41,043 INFO L87 Difference]: Start difference. First operand 9993 states and 11148 transitions. Second operand 3 states. [2020-10-25 20:28:42,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:28:42,494 INFO L93 Difference]: Finished difference Result 19611 states and 21878 transitions. [2020-10-25 20:28:42,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:28:42,496 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 457 [2020-10-25 20:28:42,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:28:42,519 INFO L225 Difference]: With dead ends: 19611 [2020-10-25 20:28:42,520 INFO L226 Difference]: Without dead ends: 9806 [2020-10-25 20:28:42,532 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 [2020-10-25 20:28:42,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9806 states. [2020-10-25 20:28:42,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9806 to 9254. [2020-10-25 20:28:42,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9254 states. [2020-10-25 20:28:42,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9254 states to 9254 states and 10221 transitions. [2020-10-25 20:28:42,689 INFO L78 Accepts]: Start accepts. Automaton has 9254 states and 10221 transitions. Word has length 457 [2020-10-25 20:28:42,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:28:42,689 INFO L481 AbstractCegarLoop]: Abstraction has 9254 states and 10221 transitions. [2020-10-25 20:28:42,690 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:28:42,690 INFO L276 IsEmpty]: Start isEmpty. Operand 9254 states and 10221 transitions. [2020-10-25 20:28:42,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 630 [2020-10-25 20:28:42,774 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:28:42,775 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, 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, 5, 5, 5, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:28:42,775 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-25 20:28:42,775 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:28:42,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:28:42,776 INFO L82 PathProgramCache]: Analyzing trace with hash 2033482954, now seen corresponding path program 1 times [2020-10-25 20:28:42,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:28:42,777 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241374817] [2020-10-25 20:28:42,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:28:42,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:28:43,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1528 backedges. 930 proven. 0 refuted. 0 times theorem prover too weak. 598 trivial. 0 not checked. [2020-10-25 20:28:43,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241374817] [2020-10-25 20:28:43,339 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:28:43,339 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:28:43,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829988457] [2020-10-25 20:28:43,340 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:28:43,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:28:43,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:28:43,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:28:43,341 INFO L87 Difference]: Start difference. First operand 9254 states and 10221 transitions. Second operand 3 states. [2020-10-25 20:28:44,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:28:44,738 INFO L93 Difference]: Finished difference Result 19053 states and 21048 transitions. [2020-10-25 20:28:44,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:28:44,739 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 629 [2020-10-25 20:28:44,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:28:44,740 INFO L225 Difference]: With dead ends: 19053 [2020-10-25 20:28:44,740 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 20:28:44,758 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 [2020-10-25 20:28:44,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 20:28:44,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 20:28:44,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 20:28:44,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 20:28:44,759 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 629 [2020-10-25 20:28:44,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:28:44,759 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 20:28:44,759 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:28:44,760 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 20:28:44,760 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 20:28:44,760 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-25 20:28:44,762 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 20:28:44,879 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 85 [2020-10-25 20:28:45,386 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 63 [2020-10-25 20:28:45,787 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 63 [2020-10-25 20:28:45,792 INFO L274 CegarLoopResult]: For program point L960(lines 960 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,792 INFO L274 CegarLoopResult]: For program point L696(lines 696 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,792 INFO L274 CegarLoopResult]: For program point L630(lines 630 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,793 INFO L270 CegarLoopResult]: At program point L1027(lines 24 1028) the Hoare annotation is: (let ((.cse3 (<= ~a23~0 138)) (.cse5 (< 0 (+ ~a23~0 43))) (.cse4 (<= 10 ~a25~0)) (.cse7 (= ~a4~0 1)) (.cse6 (<= ~a29~0 140)) (.cse8 (= ~a25~0 11)) (.cse0 (<= ~a23~0 312)) (.cse1 (< 277 ~a29~0)) (.cse2 (= ~a8~0 15))) (or (and (<= ~a25~0 10) .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2 .cse5) (and .cse3 .cse6 .cse2 .cse5) (and (<= ~a29~0 130) .cse2 .cse7) (and (<= (div (+ ~a29~0 554770) 3) 244) (<= ~a25~0 9) .cse0 .cse2) (and .cse4 .cse2 .cse7) (and (<= 0 (+ ~a23~0 42)) .cse2 .cse7) (and .cse2 (= ~a25~0 12)) (and (= ~a25~0 10) .cse2 (<= 0 (+ (div (+ (* ~a29~0 (- 1)) (- 28690)) 5) 49))) (and .cse8 .cse6 .cse0 .cse2) (and .cse8 .cse0 .cse1 .cse2))) [2020-10-25 20:28:45,793 INFO L274 CegarLoopResult]: For program point L895(lines 895 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,793 INFO L274 CegarLoopResult]: For program point L697(lines 697 707) no Hoare annotation was computed. [2020-10-25 20:28:45,794 INFO L274 CegarLoopResult]: For program point L697-2(lines 697 707) no Hoare annotation was computed. [2020-10-25 20:28:45,794 INFO L274 CegarLoopResult]: For program point L367(lines 367 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,794 INFO L274 CegarLoopResult]: For program point L301(lines 301 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,794 INFO L274 CegarLoopResult]: For program point L235(lines 235 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,794 INFO L274 CegarLoopResult]: For program point L169-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,794 INFO L274 CegarLoopResult]: For program point L103-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,795 INFO L274 CegarLoopResult]: For program point L37-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,795 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-10-25 20:28:45,796 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-10-25 20:28:45,796 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-10-25 20:28:45,796 INFO L277 CegarLoopResult]: At program point L1030(lines 1030 1046) the Hoare annotation is: true [2020-10-25 20:28:45,797 INFO L274 CegarLoopResult]: For program point L568(lines 568 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,797 INFO L274 CegarLoopResult]: For program point L502(lines 502 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,797 INFO L274 CegarLoopResult]: For program point L172-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,797 INFO L274 CegarLoopResult]: For program point L106-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,797 INFO L274 CegarLoopResult]: For program point L40-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,797 INFO L274 CegarLoopResult]: For program point L965(lines 965 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,798 INFO L274 CegarLoopResult]: For program point L833(lines 833 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,798 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-10-25 20:28:45,798 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-10-25 20:28:45,798 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-10-25 20:28:45,798 INFO L274 CegarLoopResult]: For program point L900(lines 900 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,798 INFO L274 CegarLoopResult]: For program point L438(lines 438 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,798 INFO L274 CegarLoopResult]: For program point L372(lines 372 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,799 INFO L274 CegarLoopResult]: For program point L637(lines 637 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,799 INFO L274 CegarLoopResult]: For program point L307(lines 307 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,799 INFO L274 CegarLoopResult]: For program point L175-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,799 INFO L274 CegarLoopResult]: For program point L109-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,799 INFO L274 CegarLoopResult]: For program point L43-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,799 INFO L274 CegarLoopResult]: For program point L242(lines 242 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,799 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-10-25 20:28:45,799 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-10-25 20:28:45,799 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-10-25 20:28:45,799 INFO L274 CegarLoopResult]: For program point L771(lines 771 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,800 INFO L270 CegarLoopResult]: At program point L1036-2(lines 1036 1045) the Hoare annotation is: (let ((.cse3 (<= ~a23~0 138)) (.cse5 (< 0 (+ ~a23~0 43))) (.cse4 (<= 10 ~a25~0)) (.cse7 (= ~a4~0 1)) (.cse6 (<= ~a29~0 140)) (.cse8 (= ~a25~0 11)) (.cse0 (<= ~a23~0 312)) (.cse1 (< 277 ~a29~0)) (.cse2 (= ~a8~0 15))) (or (and (<= ~a25~0 10) .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2 .cse5) (and .cse3 .cse6 .cse2 .cse5) (and (<= ~a29~0 130) .cse2 .cse7) (and (<= (div (+ ~a29~0 554770) 3) 244) (<= ~a25~0 9) .cse0 .cse2) (and .cse4 .cse2 .cse7) (and (<= 0 (+ ~a23~0 42)) .cse2 .cse7) (and .cse2 (= ~a25~0 12)) (and (= ~a25~0 10) .cse2 (<= 0 (+ (div (+ (* ~a29~0 (- 1)) (- 28690)) 5) 49))) (and .cse8 .cse6 .cse0 .cse2) (and .cse8 .cse0 .cse1 .cse2))) [2020-10-25 20:28:45,800 INFO L274 CegarLoopResult]: For program point L838(lines 838 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,800 INFO L274 CegarLoopResult]: For program point L574(lines 574 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,800 INFO L274 CegarLoopResult]: For program point L178-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,800 INFO L274 CegarLoopResult]: For program point L112-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,800 INFO L274 CegarLoopResult]: For program point L46-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,800 INFO L274 CegarLoopResult]: For program point L971(lines 971 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,800 INFO L274 CegarLoopResult]: For program point L905(lines 905 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,801 INFO L274 CegarLoopResult]: For program point L509(lines 509 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,801 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-10-25 20:28:45,801 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-10-25 20:28:45,801 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-10-25 20:28:45,801 INFO L274 CegarLoopResult]: For program point L972(lines 972 982) no Hoare annotation was computed. [2020-10-25 20:28:45,801 INFO L274 CegarLoopResult]: For program point L906(lines 906 916) no Hoare annotation was computed. [2020-10-25 20:28:45,801 INFO L274 CegarLoopResult]: For program point L972-2(lines 972 982) no Hoare annotation was computed. [2020-10-25 20:28:45,801 INFO L274 CegarLoopResult]: For program point L906-2(lines 906 916) no Hoare annotation was computed. [2020-10-25 20:28:45,801 INFO L274 CegarLoopResult]: For program point L708(lines 708 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,801 INFO L274 CegarLoopResult]: For program point L312(lines 312 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,801 INFO L274 CegarLoopResult]: For program point L577(lines 577 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,801 INFO L274 CegarLoopResult]: For program point L445(lines 445 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,802 INFO L274 CegarLoopResult]: For program point L379(lines 379 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,802 INFO L274 CegarLoopResult]: For program point L181-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,802 INFO L274 CegarLoopResult]: For program point L115-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,802 INFO L274 CegarLoopResult]: For program point L49-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,802 INFO L274 CegarLoopResult]: For program point L776(lines 776 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,802 INFO L274 CegarLoopResult]: For program point L644(lines 644 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,802 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-10-25 20:28:45,802 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-10-25 20:28:45,802 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-10-25 20:28:45,802 INFO L274 CegarLoopResult]: For program point L1041(line 1041) no Hoare annotation was computed. [2020-10-25 20:28:45,802 INFO L274 CegarLoopResult]: For program point L843(lines 843 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,803 INFO L274 CegarLoopResult]: For program point L249(lines 249 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,803 INFO L274 CegarLoopResult]: For program point L184-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,803 INFO L274 CegarLoopResult]: For program point L118-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,803 INFO L274 CegarLoopResult]: For program point L52-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,803 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-10-25 20:28:45,803 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-10-25 20:28:45,803 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-10-25 20:28:45,803 INFO L274 CegarLoopResult]: For program point L714(lines 714 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,803 INFO L274 CegarLoopResult]: For program point L516(lines 516 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,803 INFO L274 CegarLoopResult]: For program point L649(lines 649 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,803 INFO L274 CegarLoopResult]: For program point L583(lines 583 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,804 INFO L274 CegarLoopResult]: For program point L517(lines 517 527) no Hoare annotation was computed. [2020-10-25 20:28:45,804 INFO L274 CegarLoopResult]: For program point L517-2(lines 517 527) no Hoare annotation was computed. [2020-10-25 20:28:45,804 INFO L274 CegarLoopResult]: For program point L319(lines 319 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,804 INFO L274 CegarLoopResult]: For program point L187-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,804 INFO L274 CegarLoopResult]: For program point L121-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,804 INFO L274 CegarLoopResult]: For program point L55-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,804 INFO L274 CegarLoopResult]: For program point L848(lines 848 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,804 INFO L274 CegarLoopResult]: For program point L782(lines 782 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,804 INFO L274 CegarLoopResult]: For program point L650(lines 650 659) no Hoare annotation was computed. [2020-10-25 20:28:45,804 INFO L274 CegarLoopResult]: For program point L650-2(lines 650 659) no Hoare annotation was computed. [2020-10-25 20:28:45,804 INFO L274 CegarLoopResult]: For program point L452(lines 452 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,804 INFO L274 CegarLoopResult]: For program point L386(lines 386 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,805 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-10-25 20:28:45,805 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-10-25 20:28:45,805 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-10-25 20:28:45,805 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 20:28:45,805 INFO L274 CegarLoopResult]: For program point L256(lines 256 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,805 INFO L274 CegarLoopResult]: For program point L190-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,805 INFO L274 CegarLoopResult]: For program point L124-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,805 INFO L274 CegarLoopResult]: For program point L58-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,805 INFO L274 CegarLoopResult]: For program point L983(lines 983 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,805 INFO L274 CegarLoopResult]: For program point L917(lines 917 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,805 INFO L274 CegarLoopResult]: For program point L719(lines 719 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,806 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-10-25 20:28:45,806 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-10-25 20:28:45,806 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-10-25 20:28:45,806 INFO L274 CegarLoopResult]: For program point L918(lines 918 928) no Hoare annotation was computed. [2020-10-25 20:28:45,806 INFO L274 CegarLoopResult]: For program point L918-2(lines 918 928) no Hoare annotation was computed. [2020-10-25 20:28:45,806 INFO L274 CegarLoopResult]: For program point L720(lines 720 732) no Hoare annotation was computed. [2020-10-25 20:28:45,806 INFO L274 CegarLoopResult]: For program point L720-2(lines 720 732) no Hoare annotation was computed. [2020-10-25 20:28:45,806 INFO L274 CegarLoopResult]: For program point L588(lines 588 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,806 INFO L274 CegarLoopResult]: For program point L324(lines 324 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,806 INFO L274 CegarLoopResult]: For program point L589(lines 589 599) no Hoare annotation was computed. [2020-10-25 20:28:45,806 INFO L274 CegarLoopResult]: For program point L589-2(lines 589 599) no Hoare annotation was computed. [2020-10-25 20:28:45,807 INFO L274 CegarLoopResult]: For program point L193-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,807 INFO L274 CegarLoopResult]: For program point L127-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,807 INFO L274 CegarLoopResult]: For program point L61-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,807 INFO L274 CegarLoopResult]: For program point L854(lines 854 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,807 INFO L274 CegarLoopResult]: For program point L458(lines 458 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,807 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-10-25 20:28:45,807 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-10-25 20:28:45,807 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-10-25 20:28:45,807 INFO L274 CegarLoopResult]: For program point L789(lines 789 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,807 INFO L274 CegarLoopResult]: For program point L393(lines 393 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,807 INFO L274 CegarLoopResult]: For program point L262(lines 262 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,807 INFO L274 CegarLoopResult]: For program point L196-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,808 INFO L274 CegarLoopResult]: For program point L130-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,808 INFO L274 CegarLoopResult]: For program point L64-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,808 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-10-25 20:28:45,808 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-10-25 20:28:45,808 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-10-25 20:28:45,808 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 20:28:45,808 INFO L274 CegarLoopResult]: For program point L990(lines 990 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,808 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-25 20:28:45,808 INFO L274 CegarLoopResult]: For program point L660(lines 660 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,808 INFO L274 CegarLoopResult]: For program point L528(lines 528 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,808 INFO L274 CegarLoopResult]: For program point L331(lines 331 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,809 INFO L274 CegarLoopResult]: For program point L199-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,809 INFO L274 CegarLoopResult]: For program point L133-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,809 INFO L274 CegarLoopResult]: For program point L67-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,809 INFO L274 CegarLoopResult]: For program point L794(lines 794 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,809 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-10-25 20:28:45,809 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-10-25 20:28:45,809 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-10-25 20:28:45,809 INFO L274 CegarLoopResult]: For program point L861(lines 861 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,809 INFO L274 CegarLoopResult]: For program point L465(lines 465 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,809 INFO L274 CegarLoopResult]: For program point L267(lines 267 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,809 INFO L274 CegarLoopResult]: For program point L400(lines 400 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,810 INFO L274 CegarLoopResult]: For program point L202-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,810 INFO L274 CegarLoopResult]: For program point L136-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,810 INFO L274 CegarLoopResult]: For program point L70-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,810 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-25 20:28:45,810 INFO L274 CegarLoopResult]: For program point L995(lines 995 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,810 INFO L274 CegarLoopResult]: For program point L929(lines 929 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,810 INFO L274 CegarLoopResult]: For program point L665(lines 665 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,810 INFO L274 CegarLoopResult]: For program point L533(lines 533 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,810 INFO L274 CegarLoopResult]: For program point L401(lines 401 412) no Hoare annotation was computed. [2020-10-25 20:28:45,810 INFO L274 CegarLoopResult]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2020-10-25 20:28:45,810 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-10-25 20:28:45,811 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-10-25 20:28:45,811 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-10-25 20:28:45,811 INFO L274 CegarLoopResult]: For program point L600(lines 600 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,811 INFO L274 CegarLoopResult]: For program point L336(lines 336 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,811 INFO L274 CegarLoopResult]: For program point L270(lines 270 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,811 INFO L274 CegarLoopResult]: For program point L733(lines 733 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,811 INFO L274 CegarLoopResult]: For program point L205-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,811 INFO L274 CegarLoopResult]: For program point L139-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,811 INFO L274 CegarLoopResult]: For program point L73-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,811 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-10-25 20:28:45,811 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-10-25 20:28:45,812 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-10-25 20:28:45,812 INFO L274 CegarLoopResult]: For program point L867(lines 867 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,812 INFO L274 CegarLoopResult]: For program point L801(lines 801 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,812 INFO L274 CegarLoopResult]: For program point L934(lines 934 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,812 INFO L274 CegarLoopResult]: For program point L868(lines 868 877) no Hoare annotation was computed. [2020-10-25 20:28:45,812 INFO L274 CegarLoopResult]: For program point L868-2(lines 868 877) no Hoare annotation was computed. [2020-10-25 20:28:45,812 INFO L274 CegarLoopResult]: For program point L472(lines 472 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,812 INFO L274 CegarLoopResult]: For program point L142-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,812 INFO L274 CegarLoopResult]: For program point L76-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,812 INFO L274 CegarLoopResult]: For program point L605(lines 605 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,813 INFO L274 CegarLoopResult]: For program point L539(lines 539 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,813 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-10-25 20:28:45,813 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-10-25 20:28:45,813 INFO L274 CegarLoopResult]: For program point L1002(lines 1002 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,813 INFO L274 CegarLoopResult]: For program point L672(lines 672 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,813 INFO L274 CegarLoopResult]: For program point L606(lines 606 616) no Hoare annotation was computed. [2020-10-25 20:28:45,813 INFO L274 CegarLoopResult]: For program point L606-2(lines 606 616) no Hoare annotation was computed. [2020-10-25 20:28:45,813 INFO L274 CegarLoopResult]: For program point L342(lines 342 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,813 INFO L274 CegarLoopResult]: For program point L277(lines 277 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,813 INFO L274 CegarLoopResult]: For program point L145-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,813 INFO L274 CegarLoopResult]: For program point L79-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,814 INFO L274 CegarLoopResult]: For program point L806(lines 806 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,814 INFO L274 CegarLoopResult]: For program point L740(lines 740 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,814 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-10-25 20:28:45,814 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-10-25 20:28:45,814 INFO L274 CegarLoopResult]: For program point L807(lines 807 817) no Hoare annotation was computed. [2020-10-25 20:28:45,814 INFO L274 CegarLoopResult]: For program point L807-2(lines 807 817) no Hoare annotation was computed. [2020-10-25 20:28:45,814 INFO L274 CegarLoopResult]: For program point L544(lines 544 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,815 INFO L274 CegarLoopResult]: For program point L148-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,815 INFO L274 CegarLoopResult]: For program point L82-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,815 INFO L274 CegarLoopResult]: For program point L1007(lines 1007 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,815 INFO L274 CegarLoopResult]: For program point L941(lines 941 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,815 INFO L274 CegarLoopResult]: For program point L677(lines 677 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,815 INFO L274 CegarLoopResult]: For program point L479(lines 479 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,816 INFO L274 CegarLoopResult]: For program point L413(lines 413 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,816 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-10-25 20:28:45,816 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-10-25 20:28:45,816 INFO L274 CegarLoopResult]: For program point L942(lines 942 954) no Hoare annotation was computed. [2020-10-25 20:28:45,816 INFO L274 CegarLoopResult]: For program point L942-2(lines 942 954) no Hoare annotation was computed. [2020-10-25 20:28:45,816 INFO L274 CegarLoopResult]: For program point L480(lines 480 488) no Hoare annotation was computed. [2020-10-25 20:28:45,816 INFO L274 CegarLoopResult]: For program point L480-2(lines 480 488) no Hoare annotation was computed. [2020-10-25 20:28:45,816 INFO L274 CegarLoopResult]: For program point L348(lines 348 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,816 INFO L274 CegarLoopResult]: For program point L282(lines 282 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,816 INFO L274 CegarLoopResult]: For program point L216(lines 216 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,816 INFO L274 CegarLoopResult]: For program point L745(lines 745 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,816 INFO L274 CegarLoopResult]: For program point L151-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,816 INFO L274 CegarLoopResult]: For program point L85-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,817 INFO L274 CegarLoopResult]: For program point L878(lines 878 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,817 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 20:28:45,817 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-10-25 20:28:45,817 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-10-25 20:28:45,817 INFO L274 CegarLoopResult]: For program point L154-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,817 INFO L274 CegarLoopResult]: For program point L88-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,817 INFO L274 CegarLoopResult]: For program point L683(lines 683 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,817 INFO L274 CegarLoopResult]: For program point L617(lines 617 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,817 INFO L274 CegarLoopResult]: For program point L551(lines 551 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,817 INFO L274 CegarLoopResult]: For program point L419(lines 419 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,817 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-10-25 20:28:45,817 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-10-25 20:28:45,818 INFO L274 CegarLoopResult]: For program point L1014(lines 1014 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,818 INFO L274 CegarLoopResult]: For program point L883(lines 883 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,818 INFO L274 CegarLoopResult]: For program point L355(lines 355 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,818 INFO L274 CegarLoopResult]: For program point L289(lines 289 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,818 INFO L274 CegarLoopResult]: For program point L223(lines 223 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,818 INFO L274 CegarLoopResult]: For program point L157-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,818 INFO L274 CegarLoopResult]: For program point L91-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,818 INFO L274 CegarLoopResult]: For program point L25(lines 25 27) no Hoare annotation was computed. [2020-10-25 20:28:45,818 INFO L274 CegarLoopResult]: For program point L25-2(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,818 INFO L274 CegarLoopResult]: For program point L818(lines 818 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,818 INFO L274 CegarLoopResult]: For program point L752(lines 752 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,819 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-10-25 20:28:45,819 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-25 20:28:45,819 INFO L274 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2020-10-25 20:28:45,819 INFO L274 CegarLoopResult]: For program point L489(lines 489 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,819 INFO L274 CegarLoopResult]: For program point L490(lines 490 501) no Hoare annotation was computed. [2020-10-25 20:28:45,819 INFO L274 CegarLoopResult]: For program point L424(lines 424 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,819 INFO L274 CegarLoopResult]: For program point L490-2(lines 490 501) no Hoare annotation was computed. [2020-10-25 20:28:45,819 INFO L274 CegarLoopResult]: For program point L160-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,819 INFO L274 CegarLoopResult]: For program point L94-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,819 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 20:28:45,819 INFO L274 CegarLoopResult]: For program point L28-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,820 INFO L274 CegarLoopResult]: For program point L1019(lines 1019 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,820 INFO L274 CegarLoopResult]: For program point L623(lines 623 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,820 INFO L274 CegarLoopResult]: For program point L557(lines 557 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,820 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-10-25 20:28:45,820 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-10-25 20:28:45,820 INFO L274 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-10-25 20:28:45,820 INFO L274 CegarLoopResult]: For program point L888(lines 888 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,820 INFO L274 CegarLoopResult]: For program point L690(lines 690 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,820 INFO L274 CegarLoopResult]: For program point L360(lines 360 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,820 INFO L274 CegarLoopResult]: For program point L955(lines 955 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,820 INFO L274 CegarLoopResult]: For program point L229(lines 229 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,820 INFO L274 CegarLoopResult]: For program point L163-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,821 INFO L274 CegarLoopResult]: For program point L97-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,821 INFO L274 CegarLoopResult]: For program point L31-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,821 INFO L274 CegarLoopResult]: For program point L824(lines 824 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,821 INFO L274 CegarLoopResult]: For program point L296(lines 296 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,821 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-10-25 20:28:45,821 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-10-25 20:28:45,821 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-10-25 20:28:45,821 INFO L274 CegarLoopResult]: For program point L759(lines 759 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,821 INFO L274 CegarLoopResult]: For program point L760(lines 760 770) no Hoare annotation was computed. [2020-10-25 20:28:45,821 INFO L274 CegarLoopResult]: For program point L760-2(lines 760 770) no Hoare annotation was computed. [2020-10-25 20:28:45,821 INFO L274 CegarLoopResult]: For program point L166-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,822 INFO L274 CegarLoopResult]: For program point L100-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,822 INFO L274 CegarLoopResult]: For program point L34-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:45,822 INFO L274 CegarLoopResult]: For program point L827(lines 827 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,822 INFO L274 CegarLoopResult]: For program point L563(lines 563 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,822 INFO L274 CegarLoopResult]: For program point L431(lines 431 1026) no Hoare annotation was computed. [2020-10-25 20:28:45,822 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-10-25 20:28:45,822 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-10-25 20:28:45,822 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-10-25 20:28:45,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 08:28:45 BoogieIcfgContainer [2020-10-25 20:28:45,847 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 20:28:45,847 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 20:28:45,848 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 20:28:45,848 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 20:28:45,848 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:28:10" (3/4) ... [2020-10-25 20:28:45,852 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 20:28:45,889 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-25 20:28:45,891 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-25 20:28:45,893 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 20:28:45,895 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 20:28:46,123 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 20:28:46,123 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 20:28:46,124 INFO L168 Benchmark]: Toolchain (without parser) took 39930.90 ms. Allocated memory was 52.4 MB in the beginning and 794.8 MB in the end (delta: 742.4 MB). Free memory was 26.6 MB in the beginning and 301.3 MB in the end (delta: -274.6 MB). Peak memory consumption was 468.3 MB. Max. memory is 16.1 GB. [2020-10-25 20:28:46,125 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 37.7 MB. Free memory is still 18.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 20:28:46,125 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1079.94 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 26.0 MB in the beginning and 27.9 MB in the end (delta: -1.9 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. [2020-10-25 20:28:46,126 INFO L168 Benchmark]: Boogie Procedure Inliner took 171.27 ms. Allocated memory is still 62.9 MB. Free memory was 27.9 MB in the beginning and 25.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. [2020-10-25 20:28:46,126 INFO L168 Benchmark]: Boogie Preprocessor took 202.19 ms. Allocated memory is still 62.9 MB. Free memory was 25.8 MB in the beginning and 23.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 12.9 MB. Max. memory is 16.1 GB. [2020-10-25 20:28:46,127 INFO L168 Benchmark]: RCFGBuilder took 2379.98 ms. Allocated memory was 62.9 MB in the beginning and 127.9 MB in the end (delta: 65.0 MB). Free memory was 23.6 MB in the beginning and 52.7 MB in the end (delta: -29.0 MB). Peak memory consumption was 43.6 MB. Max. memory is 16.1 GB. [2020-10-25 20:28:46,127 INFO L168 Benchmark]: TraceAbstraction took 35808.31 ms. Allocated memory was 127.9 MB in the beginning and 794.8 MB in the end (delta: 666.9 MB). Free memory was 52.7 MB in the beginning and 327.5 MB in the end (delta: -274.8 MB). Peak memory consumption was 391.9 MB. Max. memory is 16.1 GB. [2020-10-25 20:28:46,128 INFO L168 Benchmark]: Witness Printer took 275.67 ms. Allocated memory is still 794.8 MB. Free memory was 327.5 MB in the beginning and 301.3 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-10-25 20:28:46,131 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 37.7 MB. Free memory is still 18.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1079.94 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 26.0 MB in the beginning and 27.9 MB in the end (delta: -1.9 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 171.27 ms. Allocated memory is still 62.9 MB. Free memory was 27.9 MB in the beginning and 25.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 202.19 ms. Allocated memory is still 62.9 MB. Free memory was 25.8 MB in the beginning and 23.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 12.9 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2379.98 ms. Allocated memory was 62.9 MB in the beginning and 127.9 MB in the end (delta: 65.0 MB). Free memory was 23.6 MB in the beginning and 52.7 MB in the end (delta: -29.0 MB). Peak memory consumption was 43.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 35808.31 ms. Allocated memory was 127.9 MB in the beginning and 794.8 MB in the end (delta: 666.9 MB). Free memory was 52.7 MB in the beginning and 327.5 MB in the end (delta: -274.8 MB). Peak memory consumption was 391.9 MB. Max. memory is 16.1 GB. * Witness Printer took 275.67 ms. Allocated memory is still 794.8 MB. Free memory was 327.5 MB in the beginning and 301.3 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 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 <= 10 && a23 <= 312) && 277 < a29) && a8 == 15) || (((a23 <= 138 && 10 <= a25) && a8 == 15) && 0 < a23 + 43)) || (((a23 <= 138 && a29 <= 140) && a8 == 15) && 0 < a23 + 43)) || ((a29 <= 130 && a8 == 15) && a4 == 1)) || ((((a29 + 554770) / 3 <= 244 && a25 <= 9) && a23 <= 312) && a8 == 15)) || ((10 <= a25 && a8 == 15) && a4 == 1)) || ((0 <= a23 + 42 && a8 == 15) && a4 == 1)) || (a8 == 15 && a25 == 12)) || ((a25 == 10 && a8 == 15) && 0 <= (a29 * -1 + -28690) / 5 + 49)) || (((a25 == 11 && a29 <= 140) && a23 <= 312) && a8 == 15)) || (((a25 == 11 && a23 <= 312) && 277 < a29) && a8 == 15) - InvariantResult [Line: 1030]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1036]: Loop Invariant Derived loop invariant: ((((((((((((a25 <= 10 && a23 <= 312) && 277 < a29) && a8 == 15) || (((a23 <= 138 && 10 <= a25) && a8 == 15) && 0 < a23 + 43)) || (((a23 <= 138 && a29 <= 140) && a8 == 15) && 0 < a23 + 43)) || ((a29 <= 130 && a8 == 15) && a4 == 1)) || ((((a29 + 554770) / 3 <= 244 && a25 <= 9) && a23 <= 312) && a8 == 15)) || ((10 <= a25 && a8 == 15) && a4 == 1)) || ((0 <= a23 + 42 && a8 == 15) && a4 == 1)) || (a8 == 15 && a25 == 12)) || ((a25 == 10 && a8 == 15) && 0 <= (a29 * -1 + -28690) / 5 + 49)) || (((a25 == 11 && a29 <= 140) && a23 <= 312) && a8 == 15)) || (((a25 == 11 && a23 <= 312) && 277 < a29) && a8 == 15) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 284 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 34.6s, OverallIterations: 16, TraceHistogramMax: 7, AutomataDifference: 24.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3234 SDtfs, 2510 SDslu, 330 SDs, 0 SdLazy, 8789 SolverSat, 1494 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1104 GetRequests, 1075 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9993occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 16 MinimizatonAttempts, 3169 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 127 NumberOfFragments, 289 HoareAnnotationTreeSize, 3 FomulaSimplifications, 4480 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 3 FomulaSimplificationsInter, 596 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 5736 NumberOfCodeBlocks, 5736 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 5717 ConstructedInterpolants, 1 QuantifiedInterpolants, 5405933 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1498 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 19 InterpolantComputations, 16 PerfectInterpolantSequences, 6045/6445 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...