./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label17.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem11_label17.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 b5e41900bd607a2b9899d7c26d1a50b64d74ec68 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-19 23:11:58,260 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 23:11:58,262 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 23:11:58,285 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 23:11:58,286 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 23:11:58,287 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 23:11:58,288 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 23:11:58,290 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 23:11:58,291 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 23:11:58,292 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 23:11:58,293 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 23:11:58,294 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 23:11:58,295 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 23:11:58,296 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 23:11:58,297 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 23:11:58,298 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 23:11:58,299 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 23:11:58,300 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 23:11:58,301 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 23:11:58,303 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 23:11:58,305 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 23:11:58,312 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 23:11:58,313 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 23:11:58,314 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 23:11:58,319 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 23:11:58,319 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 23:11:58,319 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 23:11:58,323 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 23:11:58,324 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 23:11:58,325 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 23:11:58,325 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 23:11:58,325 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 23:11:58,326 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 23:11:58,327 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 23:11:58,328 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 23:11:58,328 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 23:11:58,329 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 23:11:58,329 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 23:11:58,329 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 23:11:58,330 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 23:11:58,331 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 23:11:58,332 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-19 23:11:58,354 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 23:11:58,354 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 23:11:58,355 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 23:11:58,355 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 23:11:58,356 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 23:11:58,356 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 23:11:58,356 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 23:11:58,356 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 23:11:58,356 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 23:11:58,357 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 23:11:58,357 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 23:11:58,357 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 23:11:58,357 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 23:11:58,357 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 23:11:58,357 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 23:11:58,358 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 23:11:58,358 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 23:11:58,358 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 23:11:58,358 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 23:11:58,358 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 23:11:58,359 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 23:11:58,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 23:11:58,359 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 23:11:58,359 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 23:11:58,359 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 23:11:58,360 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 23:11:58,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 23:11:58,360 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 23:11:58,360 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 23:11:58,360 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b5e41900bd607a2b9899d7c26d1a50b64d74ec68 [2020-10-19 23:11:58,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 23:11:58,607 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 23:11:58,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 23:11:58,615 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 23:11:58,616 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 23:11:58,617 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label17.c [2020-10-19 23:11:58,690 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee85ee2d7/047fe70c79844a4da965d037a0ca029b/FLAGc53dc599d [2020-10-19 23:11:59,465 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 23:11:59,466 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label17.c [2020-10-19 23:11:59,483 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee85ee2d7/047fe70c79844a4da965d037a0ca029b/FLAGc53dc599d [2020-10-19 23:11:59,659 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee85ee2d7/047fe70c79844a4da965d037a0ca029b [2020-10-19 23:11:59,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 23:11:59,674 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 23:11:59,676 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 23:11:59,676 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 23:11:59,680 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 23:11:59,682 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 11:11:59" (1/1) ... [2020-10-19 23:11:59,687 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a9beaf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:11:59, skipping insertion in model container [2020-10-19 23:11:59,687 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 11:11:59" (1/1) ... [2020-10-19 23:11:59,697 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 23:11:59,776 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 23:12:00,318 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 23:12:00,330 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 23:12:00,547 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 23:12:00,590 INFO L208 MainTranslator]: Completed translation [2020-10-19 23:12:00,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:12:00 WrapperNode [2020-10-19 23:12:00,591 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 23:12:00,591 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 23:12:00,592 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 23:12:00,592 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 23:12:00,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:12:00" (1/1) ... [2020-10-19 23:12:00,634 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:12:00" (1/1) ... [2020-10-19 23:12:00,786 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 23:12:00,787 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 23:12:00,787 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 23:12:00,787 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 23:12:00,799 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:12:00" (1/1) ... [2020-10-19 23:12:00,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:12:00" (1/1) ... [2020-10-19 23:12:00,822 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:12:00" (1/1) ... [2020-10-19 23:12:00,822 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:12:00" (1/1) ... [2020-10-19 23:12:00,864 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:12:00" (1/1) ... [2020-10-19 23:12:00,875 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:12:00" (1/1) ... [2020-10-19 23:12:00,889 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:12:00" (1/1) ... [2020-10-19 23:12:00,906 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 23:12:00,907 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 23:12:00,907 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 23:12:00,907 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 23:12:00,908 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:12:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 23:12:00,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 23:12:00,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 23:12:00,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 23:12:00,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 23:12:03,118 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 23:12:03,118 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-19 23:12:03,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:12:03 BoogieIcfgContainer [2020-10-19 23:12:03,121 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 23:12:03,123 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 23:12:03,123 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 23:12:03,127 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 23:12:03,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 11:11:59" (1/3) ... [2020-10-19 23:12:03,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1def98f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 11:12:03, skipping insertion in model container [2020-10-19 23:12:03,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:12:00" (2/3) ... [2020-10-19 23:12:03,129 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1def98f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 11:12:03, skipping insertion in model container [2020-10-19 23:12:03,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:12:03" (3/3) ... [2020-10-19 23:12:03,132 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label17.c [2020-10-19 23:12:03,145 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 23:12:03,154 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-19 23:12:03,170 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-19 23:12:03,199 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 23:12:03,199 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 23:12:03,199 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 23:12:03,200 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 23:12:03,200 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 23:12:03,200 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 23:12:03,200 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 23:12:03,200 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 23:12:03,224 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states. [2020-10-19 23:12:03,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-19 23:12:03,233 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:12:03,234 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] [2020-10-19 23:12:03,234 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:12:03,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:12:03,241 INFO L82 PathProgramCache]: Analyzing trace with hash 323974986, now seen corresponding path program 1 times [2020-10-19 23:12:03,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:12:03,252 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911530584] [2020-10-19 23:12:03,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:12:03,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:12:03,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:12:03,537 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911530584] [2020-10-19 23:12:03,538 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:12:03,538 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:12:03,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379534299] [2020-10-19 23:12:03,545 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:12:03,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:12:03,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:12:03,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:12:03,563 INFO L87 Difference]: Start difference. First operand 284 states. Second operand 3 states. [2020-10-19 23:12:05,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:12:05,278 INFO L93 Difference]: Finished difference Result 762 states and 1346 transitions. [2020-10-19 23:12:05,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:12:05,282 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2020-10-19 23:12:05,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:12:05,314 INFO L225 Difference]: With dead ends: 762 [2020-10-19 23:12:05,315 INFO L226 Difference]: Without dead ends: 413 [2020-10-19 23:12:05,325 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:12:05,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2020-10-19 23:12:05,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2020-10-19 23:12:05,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2020-10-19 23:12:05,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 599 transitions. [2020-10-19 23:12:05,437 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 599 transitions. Word has length 38 [2020-10-19 23:12:05,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:12:05,438 INFO L481 AbstractCegarLoop]: Abstraction has 413 states and 599 transitions. [2020-10-19 23:12:05,438 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:12:05,439 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 599 transitions. [2020-10-19 23:12:05,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-10-19 23:12:05,446 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:12:05,447 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:12:05,448 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-19 23:12:05,448 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:12:05,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:12:05,449 INFO L82 PathProgramCache]: Analyzing trace with hash -1607744926, now seen corresponding path program 1 times [2020-10-19 23:12:05,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:12:05,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136951900] [2020-10-19 23:12:05,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:12:05,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:12:05,639 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:12:05,640 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136951900] [2020-10-19 23:12:05,640 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:12:05,640 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:12:05,641 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730131954] [2020-10-19 23:12:05,643 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:12:05,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:12:05,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:12:05,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:12:05,644 INFO L87 Difference]: Start difference. First operand 413 states and 599 transitions. Second operand 3 states. [2020-10-19 23:12:06,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:12:06,931 INFO L93 Difference]: Finished difference Result 1211 states and 1763 transitions. [2020-10-19 23:12:06,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:12:06,932 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2020-10-19 23:12:06,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:12:06,939 INFO L225 Difference]: With dead ends: 1211 [2020-10-19 23:12:06,939 INFO L226 Difference]: Without dead ends: 800 [2020-10-19 23:12:06,941 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:12:06,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2020-10-19 23:12:06,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 789. [2020-10-19 23:12:06,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2020-10-19 23:12:06,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1083 transitions. [2020-10-19 23:12:06,993 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1083 transitions. Word has length 106 [2020-10-19 23:12:06,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:12:06,993 INFO L481 AbstractCegarLoop]: Abstraction has 789 states and 1083 transitions. [2020-10-19 23:12:06,994 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:12:06,994 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1083 transitions. [2020-10-19 23:12:06,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-10-19 23:12:06,997 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:12:06,997 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:12:06,998 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-19 23:12:06,998 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:12:06,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:12:06,999 INFO L82 PathProgramCache]: Analyzing trace with hash -565028355, now seen corresponding path program 1 times [2020-10-19 23:12:06,999 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:12:06,999 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040586183] [2020-10-19 23:12:07,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:12:07,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:12:07,159 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:12:07,160 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040586183] [2020-10-19 23:12:07,160 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:12:07,160 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:12:07,161 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630105475] [2020-10-19 23:12:07,161 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:12:07,162 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:12:07,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:12:07,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:12:07,163 INFO L87 Difference]: Start difference. First operand 789 states and 1083 transitions. Second operand 3 states. [2020-10-19 23:12:08,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:12:08,502 INFO L93 Difference]: Finished difference Result 2314 states and 3181 transitions. [2020-10-19 23:12:08,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:12:08,503 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2020-10-19 23:12:08,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:12:08,512 INFO L225 Difference]: With dead ends: 2314 [2020-10-19 23:12:08,512 INFO L226 Difference]: Without dead ends: 1527 [2020-10-19 23:12:08,514 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:12:08,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1527 states. [2020-10-19 23:12:08,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1527 to 1526. [2020-10-19 23:12:08,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1526 states. [2020-10-19 23:12:08,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1526 states and 1856 transitions. [2020-10-19 23:12:08,549 INFO L78 Accepts]: Start accepts. Automaton has 1526 states and 1856 transitions. Word has length 108 [2020-10-19 23:12:08,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:12:08,550 INFO L481 AbstractCegarLoop]: Abstraction has 1526 states and 1856 transitions. [2020-10-19 23:12:08,550 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:12:08,550 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1856 transitions. [2020-10-19 23:12:08,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-10-19 23:12:08,553 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:12:08,554 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:12:08,554 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-19 23:12:08,554 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:12:08,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:12:08,555 INFO L82 PathProgramCache]: Analyzing trace with hash -271444159, now seen corresponding path program 1 times [2020-10-19 23:12:08,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:12:08,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773785737] [2020-10-19 23:12:08,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:12:08,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:12:08,789 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:12:08,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773785737] [2020-10-19 23:12:08,790 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:12:08,790 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:12:08,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507946353] [2020-10-19 23:12:08,793 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:12:08,794 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:12:08,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:12:08,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:12:08,795 INFO L87 Difference]: Start difference. First operand 1526 states and 1856 transitions. Second operand 3 states. [2020-10-19 23:12:10,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:12:10,041 INFO L93 Difference]: Finished difference Result 3257 states and 4123 transitions. [2020-10-19 23:12:10,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:12:10,042 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 165 [2020-10-19 23:12:10,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:12:10,057 INFO L225 Difference]: With dead ends: 3257 [2020-10-19 23:12:10,058 INFO L226 Difference]: Without dead ends: 1917 [2020-10-19 23:12:10,062 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:12:10,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1917 states. [2020-10-19 23:12:10,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1917 to 1914. [2020-10-19 23:12:10,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1914 states. [2020-10-19 23:12:10,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1914 states to 1914 states and 2384 transitions. [2020-10-19 23:12:10,111 INFO L78 Accepts]: Start accepts. Automaton has 1914 states and 2384 transitions. Word has length 165 [2020-10-19 23:12:10,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:12:10,113 INFO L481 AbstractCegarLoop]: Abstraction has 1914 states and 2384 transitions. [2020-10-19 23:12:10,113 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:12:10,113 INFO L276 IsEmpty]: Start isEmpty. Operand 1914 states and 2384 transitions. [2020-10-19 23:12:10,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-10-19 23:12:10,123 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:12:10,124 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:12:10,124 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-19 23:12:10,124 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:12:10,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:12:10,125 INFO L82 PathProgramCache]: Analyzing trace with hash -993250983, now seen corresponding path program 1 times [2020-10-19 23:12:10,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:12:10,126 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058253169] [2020-10-19 23:12:10,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:12:10,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:12:10,449 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-19 23:12:10,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058253169] [2020-10-19 23:12:10,450 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:12:10,452 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:12:10,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825128550] [2020-10-19 23:12:10,453 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:12:10,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:12:10,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:12:10,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:12:10,454 INFO L87 Difference]: Start difference. First operand 1914 states and 2384 transitions. Second operand 3 states. [2020-10-19 23:12:11,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:12:11,787 INFO L93 Difference]: Finished difference Result 4389 states and 5590 transitions. [2020-10-19 23:12:11,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:12:11,789 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 220 [2020-10-19 23:12:11,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:12:11,802 INFO L225 Difference]: With dead ends: 4389 [2020-10-19 23:12:11,802 INFO L226 Difference]: Without dead ends: 2661 [2020-10-19 23:12:11,805 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:12:11,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2661 states. [2020-10-19 23:12:11,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2661 to 2467. [2020-10-19 23:12:11,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2467 states. [2020-10-19 23:12:11,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2467 states to 2467 states and 3045 transitions. [2020-10-19 23:12:11,854 INFO L78 Accepts]: Start accepts. Automaton has 2467 states and 3045 transitions. Word has length 220 [2020-10-19 23:12:11,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:12:11,855 INFO L481 AbstractCegarLoop]: Abstraction has 2467 states and 3045 transitions. [2020-10-19 23:12:11,856 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:12:11,856 INFO L276 IsEmpty]: Start isEmpty. Operand 2467 states and 3045 transitions. [2020-10-19 23:12:11,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-10-19 23:12:11,860 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:12:11,860 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:12:11,861 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-19 23:12:11,861 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:12:11,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:12:11,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1679674154, now seen corresponding path program 1 times [2020-10-19 23:12:11,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:12:11,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384544438] [2020-10-19 23:12:11,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:12:11,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:12:12,267 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 25 proven. 46 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-10-19 23:12:12,268 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384544438] [2020-10-19 23:12:12,268 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1512121558] [2020-10-19 23:12:12,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:12:12,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:12:12,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:12:12,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:12:12,614 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-10-19 23:12:12,615 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:12:12,615 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-10-19 23:12:12,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187760599] [2020-10-19 23:12:12,617 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:12:12,617 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:12:12,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:12:12,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-19 23:12:12,619 INFO L87 Difference]: Start difference. First operand 2467 states and 3045 transitions. Second operand 3 states. [2020-10-19 23:12:14,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:12:14,135 INFO L93 Difference]: Finished difference Result 5862 states and 7297 transitions. [2020-10-19 23:12:14,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:12:14,136 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 226 [2020-10-19 23:12:14,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:12:14,152 INFO L225 Difference]: With dead ends: 5862 [2020-10-19 23:12:14,152 INFO L226 Difference]: Without dead ends: 3397 [2020-10-19 23:12:14,156 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-19 23:12:14,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3397 states. [2020-10-19 23:12:14,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3397 to 3388. [2020-10-19 23:12:14,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3388 states. [2020-10-19 23:12:14,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3388 states to 3388 states and 4091 transitions. [2020-10-19 23:12:14,217 INFO L78 Accepts]: Start accepts. Automaton has 3388 states and 4091 transitions. Word has length 226 [2020-10-19 23:12:14,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:12:14,217 INFO L481 AbstractCegarLoop]: Abstraction has 3388 states and 4091 transitions. [2020-10-19 23:12:14,218 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:12:14,218 INFO L276 IsEmpty]: Start isEmpty. Operand 3388 states and 4091 transitions. [2020-10-19 23:12:14,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2020-10-19 23:12:14,225 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:12:14,225 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:12:14,439 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-10-19 23:12:14,440 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:12:14,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:12:14,441 INFO L82 PathProgramCache]: Analyzing trace with hash 885340313, now seen corresponding path program 1 times [2020-10-19 23:12:14,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:12:14,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883342637] [2020-10-19 23:12:14,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:12:14,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:12:14,710 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-10-19 23:12:14,711 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883342637] [2020-10-19 23:12:14,711 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:12:14,712 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:12:14,712 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40696825] [2020-10-19 23:12:14,713 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:12:14,713 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:12:14,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:12:14,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:12:14,714 INFO L87 Difference]: Start difference. First operand 3388 states and 4091 transitions. Second operand 3 states. [2020-10-19 23:12:16,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:12:16,036 INFO L93 Difference]: Finished difference Result 6788 states and 8205 transitions. [2020-10-19 23:12:16,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:12:16,037 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 297 [2020-10-19 23:12:16,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:12:16,053 INFO L225 Difference]: With dead ends: 6788 [2020-10-19 23:12:16,053 INFO L226 Difference]: Without dead ends: 3402 [2020-10-19 23:12:16,058 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:12:16,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3402 states. [2020-10-19 23:12:16,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3402 to 3020. [2020-10-19 23:12:16,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3020 states. [2020-10-19 23:12:16,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3020 states to 3020 states and 3567 transitions. [2020-10-19 23:12:16,115 INFO L78 Accepts]: Start accepts. Automaton has 3020 states and 3567 transitions. Word has length 297 [2020-10-19 23:12:16,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:12:16,116 INFO L481 AbstractCegarLoop]: Abstraction has 3020 states and 3567 transitions. [2020-10-19 23:12:16,116 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:12:16,116 INFO L276 IsEmpty]: Start isEmpty. Operand 3020 states and 3567 transitions. [2020-10-19 23:12:16,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2020-10-19 23:12:16,123 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:12:16,124 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:12:16,124 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-19 23:12:16,124 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:12:16,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:12:16,125 INFO L82 PathProgramCache]: Analyzing trace with hash 1789953037, now seen corresponding path program 1 times [2020-10-19 23:12:16,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:12:16,126 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351940151] [2020-10-19 23:12:16,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:12:16,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:12:16,352 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 254 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-10-19 23:12:16,352 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351940151] [2020-10-19 23:12:16,353 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:12:16,353 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:12:16,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155540920] [2020-10-19 23:12:16,354 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:12:16,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:12:16,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:12:16,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:12:16,355 INFO L87 Difference]: Start difference. First operand 3020 states and 3567 transitions. Second operand 3 states. [2020-10-19 23:12:17,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:12:17,651 INFO L93 Difference]: Finished difference Result 6015 states and 7099 transitions. [2020-10-19 23:12:17,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:12:17,652 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 298 [2020-10-19 23:12:17,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:12:17,664 INFO L225 Difference]: With dead ends: 6015 [2020-10-19 23:12:17,664 INFO L226 Difference]: Without dead ends: 2997 [2020-10-19 23:12:17,669 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:12:17,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2997 states. [2020-10-19 23:12:17,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2997 to 2995. [2020-10-19 23:12:17,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2995 states. [2020-10-19 23:12:17,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2995 states to 2995 states and 3392 transitions. [2020-10-19 23:12:17,721 INFO L78 Accepts]: Start accepts. Automaton has 2995 states and 3392 transitions. Word has length 298 [2020-10-19 23:12:17,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:12:17,722 INFO L481 AbstractCegarLoop]: Abstraction has 2995 states and 3392 transitions. [2020-10-19 23:12:17,722 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:12:17,722 INFO L276 IsEmpty]: Start isEmpty. Operand 2995 states and 3392 transitions. [2020-10-19 23:12:17,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2020-10-19 23:12:17,730 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:12:17,730 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:12:17,730 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-19 23:12:17,731 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:12:17,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:12:17,731 INFO L82 PathProgramCache]: Analyzing trace with hash -1157679596, now seen corresponding path program 1 times [2020-10-19 23:12:17,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:12:17,737 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457762540] [2020-10-19 23:12:17,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:12:17,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:12:17,981 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2020-10-19 23:12:17,982 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457762540] [2020-10-19 23:12:17,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:12:17,983 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:12:17,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857012153] [2020-10-19 23:12:17,984 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:12:17,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:12:17,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:12:17,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:12:17,986 INFO L87 Difference]: Start difference. First operand 2995 states and 3392 transitions. Second operand 3 states. [2020-10-19 23:12:19,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:12:19,057 INFO L93 Difference]: Finished difference Result 6907 states and 7810 transitions. [2020-10-19 23:12:19,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:12:19,058 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 303 [2020-10-19 23:12:19,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:12:19,074 INFO L225 Difference]: With dead ends: 6907 [2020-10-19 23:12:19,074 INFO L226 Difference]: Without dead ends: 3914 [2020-10-19 23:12:19,079 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:12:19,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3914 states. [2020-10-19 23:12:19,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3914 to 2069. [2020-10-19 23:12:19,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2069 states. [2020-10-19 23:12:19,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2069 states to 2069 states and 2374 transitions. [2020-10-19 23:12:19,125 INFO L78 Accepts]: Start accepts. Automaton has 2069 states and 2374 transitions. Word has length 303 [2020-10-19 23:12:19,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:12:19,126 INFO L481 AbstractCegarLoop]: Abstraction has 2069 states and 2374 transitions. [2020-10-19 23:12:19,126 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:12:19,127 INFO L276 IsEmpty]: Start isEmpty. Operand 2069 states and 2374 transitions. [2020-10-19 23:12:19,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2020-10-19 23:12:19,149 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:12:19,150 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:12:19,150 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-19 23:12:19,151 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:12:19,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:12:19,151 INFO L82 PathProgramCache]: Analyzing trace with hash -1507215500, now seen corresponding path program 1 times [2020-10-19 23:12:19,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:12:19,152 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529691408] [2020-10-19 23:12:19,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:12:19,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:12:19,426 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:12:19,427 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529691408] [2020-10-19 23:12:19,427 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:12:19,428 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-19 23:12:19,429 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116411902] [2020-10-19 23:12:19,429 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:12:19,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:12:19,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:12:19,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:12:19,432 INFO L87 Difference]: Start difference. First operand 2069 states and 2374 transitions. Second operand 4 states. [2020-10-19 23:12:21,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:12:21,813 INFO L93 Difference]: Finished difference Result 6353 states and 7292 transitions. [2020-10-19 23:12:21,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 23:12:21,814 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 343 [2020-10-19 23:12:21,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:12:21,830 INFO L225 Difference]: With dead ends: 6353 [2020-10-19 23:12:21,830 INFO L226 Difference]: Without dead ends: 4286 [2020-10-19 23:12:21,834 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:12:21,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4286 states. [2020-10-19 23:12:21,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4286 to 3732. [2020-10-19 23:12:21,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3732 states. [2020-10-19 23:12:21,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3732 states to 3732 states and 4219 transitions. [2020-10-19 23:12:21,892 INFO L78 Accepts]: Start accepts. Automaton has 3732 states and 4219 transitions. Word has length 343 [2020-10-19 23:12:21,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:12:21,893 INFO L481 AbstractCegarLoop]: Abstraction has 3732 states and 4219 transitions. [2020-10-19 23:12:21,893 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:12:21,894 INFO L276 IsEmpty]: Start isEmpty. Operand 3732 states and 4219 transitions. [2020-10-19 23:12:21,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2020-10-19 23:12:21,905 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:12:21,906 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:12:21,906 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-19 23:12:21,906 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:12:21,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:12:21,907 INFO L82 PathProgramCache]: Analyzing trace with hash -1375430111, now seen corresponding path program 1 times [2020-10-19 23:12:21,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:12:21,907 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224304801] [2020-10-19 23:12:21,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:12:21,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:12:22,355 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 323 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-10-19 23:12:22,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224304801] [2020-10-19 23:12:22,356 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:12:22,357 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-19 23:12:22,357 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637407505] [2020-10-19 23:12:22,358 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:12:22,358 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:12:22,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:12:22,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:12:22,359 INFO L87 Difference]: Start difference. First operand 3732 states and 4219 transitions. Second operand 4 states. [2020-10-19 23:12:24,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:12:24,434 INFO L93 Difference]: Finished difference Result 8752 states and 9872 transitions. [2020-10-19 23:12:24,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 23:12:24,435 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 417 [2020-10-19 23:12:24,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:12:24,454 INFO L225 Difference]: With dead ends: 8752 [2020-10-19 23:12:24,455 INFO L226 Difference]: Without dead ends: 5022 [2020-10-19 23:12:24,459 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:12:24,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5022 states. [2020-10-19 23:12:24,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5022 to 3732. [2020-10-19 23:12:24,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3732 states. [2020-10-19 23:12:24,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3732 states to 3732 states and 4219 transitions. [2020-10-19 23:12:24,525 INFO L78 Accepts]: Start accepts. Automaton has 3732 states and 4219 transitions. Word has length 417 [2020-10-19 23:12:24,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:12:24,526 INFO L481 AbstractCegarLoop]: Abstraction has 3732 states and 4219 transitions. [2020-10-19 23:12:24,526 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:12:24,527 INFO L276 IsEmpty]: Start isEmpty. Operand 3732 states and 4219 transitions. [2020-10-19 23:12:24,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 669 [2020-10-19 23:12:24,550 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:12:24,550 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:12:24,551 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-19 23:12:24,551 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:12:24,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:12:24,552 INFO L82 PathProgramCache]: Analyzing trace with hash -684711715, now seen corresponding path program 1 times [2020-10-19 23:12:24,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:12:24,552 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975592772] [2020-10-19 23:12:24,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:12:24,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:12:25,064 INFO L134 CoverageAnalysis]: Checked inductivity of 1228 backedges. 844 proven. 0 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2020-10-19 23:12:25,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975592772] [2020-10-19 23:12:25,065 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:12:25,065 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:12:25,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772543752] [2020-10-19 23:12:25,066 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:12:25,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:12:25,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:12:25,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:12:25,068 INFO L87 Difference]: Start difference. First operand 3732 states and 4219 transitions. Second operand 4 states. [2020-10-19 23:12:27,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:12:27,175 INFO L93 Difference]: Finished difference Result 11899 states and 13474 transitions. [2020-10-19 23:12:27,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 23:12:27,176 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 668 [2020-10-19 23:12:27,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:12:27,192 INFO L225 Difference]: With dead ends: 11899 [2020-10-19 23:12:27,193 INFO L226 Difference]: Without dead ends: 8169 [2020-10-19 23:12:27,198 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:12:27,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8169 states. [2020-10-19 23:12:27,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8169 to 7799. [2020-10-19 23:12:27,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7799 states. [2020-10-19 23:12:27,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7799 states to 7799 states and 8729 transitions. [2020-10-19 23:12:27,310 INFO L78 Accepts]: Start accepts. Automaton has 7799 states and 8729 transitions. Word has length 668 [2020-10-19 23:12:27,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:12:27,311 INFO L481 AbstractCegarLoop]: Abstraction has 7799 states and 8729 transitions. [2020-10-19 23:12:27,311 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:12:27,311 INFO L276 IsEmpty]: Start isEmpty. Operand 7799 states and 8729 transitions. [2020-10-19 23:12:27,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 737 [2020-10-19 23:12:27,334 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:12:27,335 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:12:27,336 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-19 23:12:27,336 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:12:27,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:12:27,337 INFO L82 PathProgramCache]: Analyzing trace with hash 19250572, now seen corresponding path program 1 times [2020-10-19 23:12:27,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:12:27,337 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721822905] [2020-10-19 23:12:27,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:12:27,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:12:28,005 INFO L134 CoverageAnalysis]: Checked inductivity of 1619 backedges. 961 proven. 0 refuted. 0 times theorem prover too weak. 658 trivial. 0 not checked. [2020-10-19 23:12:28,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721822905] [2020-10-19 23:12:28,006 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:12:28,006 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:12:28,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927460189] [2020-10-19 23:12:28,007 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:12:28,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:12:28,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:12:28,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:12:28,008 INFO L87 Difference]: Start difference. First operand 7799 states and 8729 transitions. Second operand 3 states. [2020-10-19 23:12:29,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:12:29,312 INFO L93 Difference]: Finished difference Result 17436 states and 19554 transitions. [2020-10-19 23:12:29,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:12:29,313 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 736 [2020-10-19 23:12:29,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:12:29,332 INFO L225 Difference]: With dead ends: 17436 [2020-10-19 23:12:29,333 INFO L226 Difference]: Without dead ends: 8717 [2020-10-19 23:12:29,342 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:12:29,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8717 states. [2020-10-19 23:12:29,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8717 to 8717. [2020-10-19 23:12:29,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8717 states. [2020-10-19 23:12:29,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8717 states to 8717 states and 9593 transitions. [2020-10-19 23:12:29,453 INFO L78 Accepts]: Start accepts. Automaton has 8717 states and 9593 transitions. Word has length 736 [2020-10-19 23:12:29,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:12:29,454 INFO L481 AbstractCegarLoop]: Abstraction has 8717 states and 9593 transitions. [2020-10-19 23:12:29,454 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:12:29,454 INFO L276 IsEmpty]: Start isEmpty. Operand 8717 states and 9593 transitions. [2020-10-19 23:12:29,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 837 [2020-10-19 23:12:29,476 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:12:29,477 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:12:29,477 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-19 23:12:29,477 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:12:29,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:12:29,478 INFO L82 PathProgramCache]: Analyzing trace with hash -489896693, now seen corresponding path program 1 times [2020-10-19 23:12:29,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:12:29,479 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824226514] [2020-10-19 23:12:29,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:12:29,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:12:30,718 INFO L134 CoverageAnalysis]: Checked inductivity of 1997 backedges. 1445 proven. 0 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2020-10-19 23:12:30,719 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824226514] [2020-10-19 23:12:30,719 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:12:30,720 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:12:30,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969596246] [2020-10-19 23:12:30,722 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:12:30,722 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:12:30,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:12:30,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:12:30,723 INFO L87 Difference]: Start difference. First operand 8717 states and 9593 transitions. Second operand 3 states. [2020-10-19 23:12:31,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:12:31,966 INFO L93 Difference]: Finished difference Result 18165 states and 19959 transitions. [2020-10-19 23:12:31,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:12:31,967 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 836 [2020-10-19 23:12:31,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:12:31,968 INFO L225 Difference]: With dead ends: 18165 [2020-10-19 23:12:31,968 INFO L226 Difference]: Without dead ends: 0 [2020-10-19 23:12:31,980 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:12:31,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-19 23:12:31,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-19 23:12:31,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-19 23:12:31,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 23:12:31,982 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 836 [2020-10-19 23:12:31,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:12:31,982 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 23:12:31,982 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:12:31,983 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-19 23:12:31,983 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-19 23:12:31,983 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-19 23:12:31,986 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-19 23:12:32,161 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 118 [2020-10-19 23:12:32,316 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 118 [2020-10-19 23:12:32,960 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 48 [2020-10-19 23:12:33,570 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 48 [2020-10-19 23:12:33,574 INFO L274 CegarLoopResult]: For program point L960(lines 960 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,575 INFO L274 CegarLoopResult]: For program point L696(lines 696 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,575 INFO L274 CegarLoopResult]: For program point L630(lines 630 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,575 INFO L270 CegarLoopResult]: At program point L1027(lines 24 1028) the Hoare annotation is: (let ((.cse3 (<= ~a23~0 138)) (.cse7 (<= (+ ~a29~0 22) 0)) (.cse4 (<= ~a25~0 10)) (.cse1 (= ~a4~0 0)) (.cse2 (<= ~a29~0 599998)) (.cse6 (+ ~a23~0 43)) (.cse8 (<= ~a29~0 599999)) (.cse0 (= ~a25~0 11)) (.cse5 (= ~a4~0 1))) (or (and .cse0 .cse1 (<= ~a23~0 312) .cse2) (and .cse3 .cse4 .cse5 (< 0 .cse6)) (and (<= 307 ~a23~0) .cse2 .cse5) (and .cse4 .cse3 .cse1 .cse2) (and .cse2 (<= 13 ~a25~0) .cse5) (and .cse3 .cse1 .cse7) (and .cse4 .cse1 .cse7) (and (<= ~a29~0 130) .cse5) (and .cse1 (= ~a25~0 12) .cse2) (and .cse8 .cse4 .cse5) (and .cse1 .cse2 (<= .cse6 0)) (and .cse8 .cse0 .cse5))) [2020-10-19 23:12:33,576 INFO L274 CegarLoopResult]: For program point L895(lines 895 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,576 INFO L274 CegarLoopResult]: For program point L697(lines 697 707) no Hoare annotation was computed. [2020-10-19 23:12:33,576 INFO L274 CegarLoopResult]: For program point L697-2(lines 697 707) no Hoare annotation was computed. [2020-10-19 23:12:33,576 INFO L274 CegarLoopResult]: For program point L367(lines 367 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,576 INFO L274 CegarLoopResult]: For program point L301(lines 301 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,576 INFO L274 CegarLoopResult]: For program point L235(lines 235 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,577 INFO L274 CegarLoopResult]: For program point L169-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,578 INFO L274 CegarLoopResult]: For program point L103-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,578 INFO L274 CegarLoopResult]: For program point L37-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,578 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-10-19 23:12:33,578 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-10-19 23:12:33,578 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-10-19 23:12:33,579 INFO L277 CegarLoopResult]: At program point L1030(lines 1030 1046) the Hoare annotation is: true [2020-10-19 23:12:33,579 INFO L274 CegarLoopResult]: For program point L568(lines 568 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,579 INFO L274 CegarLoopResult]: For program point L502(lines 502 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,579 INFO L274 CegarLoopResult]: For program point L172-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,579 INFO L274 CegarLoopResult]: For program point L106-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,580 INFO L274 CegarLoopResult]: For program point L40-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,580 INFO L274 CegarLoopResult]: For program point L965(lines 965 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,580 INFO L274 CegarLoopResult]: For program point L833(lines 833 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,580 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-10-19 23:12:33,580 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-10-19 23:12:33,580 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-10-19 23:12:33,581 INFO L274 CegarLoopResult]: For program point L900(lines 900 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,581 INFO L274 CegarLoopResult]: For program point L438(lines 438 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,581 INFO L274 CegarLoopResult]: For program point L372(lines 372 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,581 INFO L274 CegarLoopResult]: For program point L637(lines 637 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,581 INFO L274 CegarLoopResult]: For program point L307(lines 307 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,581 INFO L274 CegarLoopResult]: For program point L175-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,582 INFO L274 CegarLoopResult]: For program point L109-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,582 INFO L274 CegarLoopResult]: For program point L43-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,582 INFO L274 CegarLoopResult]: For program point L242(lines 242 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,582 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-10-19 23:12:33,582 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-10-19 23:12:33,583 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-10-19 23:12:33,583 INFO L274 CegarLoopResult]: For program point L771(lines 771 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,583 INFO L270 CegarLoopResult]: At program point L1036-2(lines 1036 1045) the Hoare annotation is: (let ((.cse3 (<= ~a23~0 138)) (.cse7 (<= (+ ~a29~0 22) 0)) (.cse4 (<= ~a25~0 10)) (.cse1 (= ~a4~0 0)) (.cse2 (<= ~a29~0 599998)) (.cse6 (+ ~a23~0 43)) (.cse8 (<= ~a29~0 599999)) (.cse0 (= ~a25~0 11)) (.cse5 (= ~a4~0 1))) (or (and .cse0 .cse1 (<= ~a23~0 312) .cse2) (and .cse3 .cse4 .cse5 (< 0 .cse6)) (and (<= 307 ~a23~0) .cse2 .cse5) (and .cse4 .cse3 .cse1 .cse2) (and .cse2 (<= 13 ~a25~0) .cse5) (and .cse3 .cse1 .cse7) (and .cse4 .cse1 .cse7) (and (<= ~a29~0 130) .cse5) (and .cse1 (= ~a25~0 12) .cse2) (and .cse8 .cse4 .cse5) (and .cse1 .cse2 (<= .cse6 0)) (and .cse8 .cse0 .cse5))) [2020-10-19 23:12:33,584 INFO L274 CegarLoopResult]: For program point L838(lines 838 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,584 INFO L274 CegarLoopResult]: For program point L574(lines 574 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,584 INFO L274 CegarLoopResult]: For program point L178-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,584 INFO L274 CegarLoopResult]: For program point L112-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,584 INFO L274 CegarLoopResult]: For program point L46-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,584 INFO L274 CegarLoopResult]: For program point L971(lines 971 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,585 INFO L274 CegarLoopResult]: For program point L905(lines 905 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,585 INFO L274 CegarLoopResult]: For program point L509(lines 509 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,585 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-10-19 23:12:33,585 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-10-19 23:12:33,585 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-10-19 23:12:33,586 INFO L274 CegarLoopResult]: For program point L972(lines 972 982) no Hoare annotation was computed. [2020-10-19 23:12:33,586 INFO L274 CegarLoopResult]: For program point L906(lines 906 916) no Hoare annotation was computed. [2020-10-19 23:12:33,586 INFO L274 CegarLoopResult]: For program point L972-2(lines 972 982) no Hoare annotation was computed. [2020-10-19 23:12:33,586 INFO L274 CegarLoopResult]: For program point L906-2(lines 906 916) no Hoare annotation was computed. [2020-10-19 23:12:33,586 INFO L274 CegarLoopResult]: For program point L708(lines 708 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,586 INFO L274 CegarLoopResult]: For program point L312(lines 312 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,587 INFO L274 CegarLoopResult]: For program point L577(lines 577 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,587 INFO L274 CegarLoopResult]: For program point L445(lines 445 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,587 INFO L274 CegarLoopResult]: For program point L379(lines 379 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,587 INFO L274 CegarLoopResult]: For program point L181-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,587 INFO L274 CegarLoopResult]: For program point L115-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,588 INFO L274 CegarLoopResult]: For program point L49-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,588 INFO L274 CegarLoopResult]: For program point L776(lines 776 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,588 INFO L274 CegarLoopResult]: For program point L644(lines 644 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,588 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-10-19 23:12:33,588 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-10-19 23:12:33,589 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-10-19 23:12:33,589 INFO L274 CegarLoopResult]: For program point L1041(line 1041) no Hoare annotation was computed. [2020-10-19 23:12:33,589 INFO L274 CegarLoopResult]: For program point L843(lines 843 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,589 INFO L274 CegarLoopResult]: For program point L249(lines 249 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,589 INFO L274 CegarLoopResult]: For program point L184-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,590 INFO L274 CegarLoopResult]: For program point L118-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,590 INFO L274 CegarLoopResult]: For program point L52-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,590 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-10-19 23:12:33,590 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-10-19 23:12:33,590 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-10-19 23:12:33,591 INFO L274 CegarLoopResult]: For program point L714(lines 714 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,591 INFO L274 CegarLoopResult]: For program point L516(lines 516 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,591 INFO L274 CegarLoopResult]: For program point L649(lines 649 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,591 INFO L274 CegarLoopResult]: For program point L583(lines 583 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,591 INFO L274 CegarLoopResult]: For program point L517(lines 517 527) no Hoare annotation was computed. [2020-10-19 23:12:33,592 INFO L274 CegarLoopResult]: For program point L517-2(lines 517 527) no Hoare annotation was computed. [2020-10-19 23:12:33,592 INFO L274 CegarLoopResult]: For program point L319(lines 319 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,592 INFO L274 CegarLoopResult]: For program point L187-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,592 INFO L274 CegarLoopResult]: For program point L121-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,592 INFO L274 CegarLoopResult]: For program point L55-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,592 INFO L274 CegarLoopResult]: For program point L848(lines 848 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,593 INFO L274 CegarLoopResult]: For program point L782(lines 782 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,593 INFO L274 CegarLoopResult]: For program point L650(lines 650 659) no Hoare annotation was computed. [2020-10-19 23:12:33,593 INFO L274 CegarLoopResult]: For program point L650-2(lines 650 659) no Hoare annotation was computed. [2020-10-19 23:12:33,593 INFO L274 CegarLoopResult]: For program point L452(lines 452 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,593 INFO L274 CegarLoopResult]: For program point L386(lines 386 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,594 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-10-19 23:12:33,594 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-10-19 23:12:33,594 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-10-19 23:12:33,594 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-19 23:12:33,594 INFO L274 CegarLoopResult]: For program point L256(lines 256 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,594 INFO L274 CegarLoopResult]: For program point L190-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,595 INFO L274 CegarLoopResult]: For program point L124-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,595 INFO L274 CegarLoopResult]: For program point L58-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,595 INFO L274 CegarLoopResult]: For program point L983(lines 983 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,595 INFO L274 CegarLoopResult]: For program point L917(lines 917 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,595 INFO L274 CegarLoopResult]: For program point L719(lines 719 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,595 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-10-19 23:12:33,596 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-10-19 23:12:33,596 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-10-19 23:12:33,596 INFO L274 CegarLoopResult]: For program point L918(lines 918 928) no Hoare annotation was computed. [2020-10-19 23:12:33,596 INFO L274 CegarLoopResult]: For program point L918-2(lines 918 928) no Hoare annotation was computed. [2020-10-19 23:12:33,596 INFO L274 CegarLoopResult]: For program point L720(lines 720 732) no Hoare annotation was computed. [2020-10-19 23:12:33,597 INFO L274 CegarLoopResult]: For program point L720-2(lines 720 732) no Hoare annotation was computed. [2020-10-19 23:12:33,597 INFO L274 CegarLoopResult]: For program point L588(lines 588 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,597 INFO L274 CegarLoopResult]: For program point L324(lines 324 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,597 INFO L274 CegarLoopResult]: For program point L589(lines 589 599) no Hoare annotation was computed. [2020-10-19 23:12:33,597 INFO L274 CegarLoopResult]: For program point L589-2(lines 589 599) no Hoare annotation was computed. [2020-10-19 23:12:33,597 INFO L274 CegarLoopResult]: For program point L193-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,598 INFO L274 CegarLoopResult]: For program point L127-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,598 INFO L274 CegarLoopResult]: For program point L61-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,598 INFO L274 CegarLoopResult]: For program point L854(lines 854 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,598 INFO L274 CegarLoopResult]: For program point L458(lines 458 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,598 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-10-19 23:12:33,599 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-10-19 23:12:33,599 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-10-19 23:12:33,599 INFO L274 CegarLoopResult]: For program point L789(lines 789 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,599 INFO L274 CegarLoopResult]: For program point L393(lines 393 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,599 INFO L274 CegarLoopResult]: For program point L262(lines 262 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,599 INFO L274 CegarLoopResult]: For program point L196-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,600 INFO L274 CegarLoopResult]: For program point L130-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,600 INFO L274 CegarLoopResult]: For program point L64-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,600 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-10-19 23:12:33,600 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-10-19 23:12:33,600 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-10-19 23:12:33,601 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-19 23:12:33,601 INFO L274 CegarLoopResult]: For program point L990(lines 990 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,601 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-19 23:12:33,601 INFO L274 CegarLoopResult]: For program point L660(lines 660 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,601 INFO L274 CegarLoopResult]: For program point L528(lines 528 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,602 INFO L274 CegarLoopResult]: For program point L331(lines 331 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,602 INFO L274 CegarLoopResult]: For program point L199-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,602 INFO L274 CegarLoopResult]: For program point L133-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,602 INFO L274 CegarLoopResult]: For program point L67-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,602 INFO L274 CegarLoopResult]: For program point L794(lines 794 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,603 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-10-19 23:12:33,603 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-10-19 23:12:33,603 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-10-19 23:12:33,603 INFO L274 CegarLoopResult]: For program point L861(lines 861 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,603 INFO L274 CegarLoopResult]: For program point L465(lines 465 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,603 INFO L274 CegarLoopResult]: For program point L267(lines 267 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,604 INFO L274 CegarLoopResult]: For program point L400(lines 400 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,604 INFO L274 CegarLoopResult]: For program point L202-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,604 INFO L274 CegarLoopResult]: For program point L136-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,604 INFO L274 CegarLoopResult]: For program point L70-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,604 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-19 23:12:33,605 INFO L274 CegarLoopResult]: For program point L995(lines 995 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,605 INFO L274 CegarLoopResult]: For program point L929(lines 929 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,605 INFO L274 CegarLoopResult]: For program point L665(lines 665 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,605 INFO L274 CegarLoopResult]: For program point L533(lines 533 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,605 INFO L274 CegarLoopResult]: For program point L401(lines 401 412) no Hoare annotation was computed. [2020-10-19 23:12:33,605 INFO L274 CegarLoopResult]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2020-10-19 23:12:33,606 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-10-19 23:12:33,606 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-10-19 23:12:33,606 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-10-19 23:12:33,606 INFO L274 CegarLoopResult]: For program point L600(lines 600 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,606 INFO L274 CegarLoopResult]: For program point L336(lines 336 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,606 INFO L274 CegarLoopResult]: For program point L270(lines 270 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,607 INFO L274 CegarLoopResult]: For program point L733(lines 733 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,607 INFO L274 CegarLoopResult]: For program point L205-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,607 INFO L274 CegarLoopResult]: For program point L139-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,607 INFO L274 CegarLoopResult]: For program point L73-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,607 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-10-19 23:12:33,608 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-10-19 23:12:33,608 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-10-19 23:12:33,608 INFO L274 CegarLoopResult]: For program point L867(lines 867 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,608 INFO L274 CegarLoopResult]: For program point L801(lines 801 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,608 INFO L274 CegarLoopResult]: For program point L934(lines 934 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,608 INFO L274 CegarLoopResult]: For program point L868(lines 868 877) no Hoare annotation was computed. [2020-10-19 23:12:33,609 INFO L274 CegarLoopResult]: For program point L868-2(lines 868 877) no Hoare annotation was computed. [2020-10-19 23:12:33,609 INFO L274 CegarLoopResult]: For program point L472(lines 472 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,609 INFO L274 CegarLoopResult]: For program point L142-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,609 INFO L274 CegarLoopResult]: For program point L76-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,609 INFO L274 CegarLoopResult]: For program point L605(lines 605 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,610 INFO L274 CegarLoopResult]: For program point L539(lines 539 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,610 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-10-19 23:12:33,610 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-10-19 23:12:33,610 INFO L274 CegarLoopResult]: For program point L1002(lines 1002 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,610 INFO L274 CegarLoopResult]: For program point L672(lines 672 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,610 INFO L274 CegarLoopResult]: For program point L606(lines 606 616) no Hoare annotation was computed. [2020-10-19 23:12:33,611 INFO L274 CegarLoopResult]: For program point L606-2(lines 606 616) no Hoare annotation was computed. [2020-10-19 23:12:33,611 INFO L274 CegarLoopResult]: For program point L342(lines 342 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,611 INFO L274 CegarLoopResult]: For program point L277(lines 277 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,611 INFO L274 CegarLoopResult]: For program point L145-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,611 INFO L274 CegarLoopResult]: For program point L79-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,612 INFO L274 CegarLoopResult]: For program point L806(lines 806 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,612 INFO L274 CegarLoopResult]: For program point L740(lines 740 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,612 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-10-19 23:12:33,612 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-10-19 23:12:33,612 INFO L274 CegarLoopResult]: For program point L807(lines 807 817) no Hoare annotation was computed. [2020-10-19 23:12:33,612 INFO L274 CegarLoopResult]: For program point L807-2(lines 807 817) no Hoare annotation was computed. [2020-10-19 23:12:33,613 INFO L274 CegarLoopResult]: For program point L544(lines 544 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,613 INFO L274 CegarLoopResult]: For program point L148-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,613 INFO L274 CegarLoopResult]: For program point L82-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,613 INFO L274 CegarLoopResult]: For program point L1007(lines 1007 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,613 INFO L274 CegarLoopResult]: For program point L941(lines 941 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,613 INFO L274 CegarLoopResult]: For program point L677(lines 677 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,614 INFO L274 CegarLoopResult]: For program point L479(lines 479 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,614 INFO L274 CegarLoopResult]: For program point L413(lines 413 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,614 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-10-19 23:12:33,614 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-10-19 23:12:33,614 INFO L274 CegarLoopResult]: For program point L942(lines 942 954) no Hoare annotation was computed. [2020-10-19 23:12:33,614 INFO L274 CegarLoopResult]: For program point L942-2(lines 942 954) no Hoare annotation was computed. [2020-10-19 23:12:33,615 INFO L274 CegarLoopResult]: For program point L480(lines 480 488) no Hoare annotation was computed. [2020-10-19 23:12:33,615 INFO L274 CegarLoopResult]: For program point L480-2(lines 480 488) no Hoare annotation was computed. [2020-10-19 23:12:33,615 INFO L274 CegarLoopResult]: For program point L348(lines 348 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,615 INFO L274 CegarLoopResult]: For program point L282(lines 282 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,615 INFO L274 CegarLoopResult]: For program point L216(lines 216 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,616 INFO L274 CegarLoopResult]: For program point L745(lines 745 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,616 INFO L274 CegarLoopResult]: For program point L151-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,616 INFO L274 CegarLoopResult]: For program point L85-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,616 INFO L274 CegarLoopResult]: For program point L878(lines 878 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,616 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-19 23:12:33,616 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-10-19 23:12:33,617 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-10-19 23:12:33,617 INFO L274 CegarLoopResult]: For program point L154-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,617 INFO L274 CegarLoopResult]: For program point L88-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,617 INFO L274 CegarLoopResult]: For program point L683(lines 683 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,617 INFO L274 CegarLoopResult]: For program point L617(lines 617 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,617 INFO L274 CegarLoopResult]: For program point L551(lines 551 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,618 INFO L274 CegarLoopResult]: For program point L419(lines 419 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,618 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-10-19 23:12:33,618 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-10-19 23:12:33,618 INFO L274 CegarLoopResult]: For program point L1014(lines 1014 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,618 INFO L274 CegarLoopResult]: For program point L883(lines 883 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,619 INFO L274 CegarLoopResult]: For program point L355(lines 355 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,619 INFO L274 CegarLoopResult]: For program point L289(lines 289 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,619 INFO L274 CegarLoopResult]: For program point L223(lines 223 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,619 INFO L274 CegarLoopResult]: For program point L157-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,619 INFO L274 CegarLoopResult]: For program point L91-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,619 INFO L274 CegarLoopResult]: For program point L25(lines 25 27) no Hoare annotation was computed. [2020-10-19 23:12:33,620 INFO L274 CegarLoopResult]: For program point L25-2(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,620 INFO L274 CegarLoopResult]: For program point L818(lines 818 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,620 INFO L274 CegarLoopResult]: For program point L752(lines 752 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,620 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-10-19 23:12:33,620 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-19 23:12:33,620 INFO L274 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2020-10-19 23:12:33,621 INFO L274 CegarLoopResult]: For program point L489(lines 489 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,621 INFO L274 CegarLoopResult]: For program point L490(lines 490 501) no Hoare annotation was computed. [2020-10-19 23:12:33,621 INFO L274 CegarLoopResult]: For program point L424(lines 424 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,621 INFO L274 CegarLoopResult]: For program point L490-2(lines 490 501) no Hoare annotation was computed. [2020-10-19 23:12:33,621 INFO L274 CegarLoopResult]: For program point L160-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,622 INFO L274 CegarLoopResult]: For program point L94-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,622 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-19 23:12:33,622 INFO L274 CegarLoopResult]: For program point L28-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,622 INFO L274 CegarLoopResult]: For program point L1019(lines 1019 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,622 INFO L274 CegarLoopResult]: For program point L623(lines 623 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,623 INFO L274 CegarLoopResult]: For program point L557(lines 557 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,623 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-10-19 23:12:33,623 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-10-19 23:12:33,623 INFO L274 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-10-19 23:12:33,623 INFO L274 CegarLoopResult]: For program point L888(lines 888 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,624 INFO L274 CegarLoopResult]: For program point L690(lines 690 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,624 INFO L274 CegarLoopResult]: For program point L360(lines 360 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,624 INFO L274 CegarLoopResult]: For program point L955(lines 955 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,624 INFO L274 CegarLoopResult]: For program point L229(lines 229 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,624 INFO L274 CegarLoopResult]: For program point L163-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,625 INFO L274 CegarLoopResult]: For program point L97-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,625 INFO L274 CegarLoopResult]: For program point L31-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,625 INFO L274 CegarLoopResult]: For program point L824(lines 824 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,625 INFO L274 CegarLoopResult]: For program point L296(lines 296 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,625 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-10-19 23:12:33,625 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-10-19 23:12:33,626 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-10-19 23:12:33,626 INFO L274 CegarLoopResult]: For program point L759(lines 759 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,626 INFO L274 CegarLoopResult]: For program point L760(lines 760 770) no Hoare annotation was computed. [2020-10-19 23:12:33,626 INFO L274 CegarLoopResult]: For program point L760-2(lines 760 770) no Hoare annotation was computed. [2020-10-19 23:12:33,626 INFO L274 CegarLoopResult]: For program point L166-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,626 INFO L274 CegarLoopResult]: For program point L100-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,627 INFO L274 CegarLoopResult]: For program point L34-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:12:33,627 INFO L274 CegarLoopResult]: For program point L827(lines 827 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,627 INFO L274 CegarLoopResult]: For program point L563(lines 563 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,627 INFO L274 CegarLoopResult]: For program point L431(lines 431 1026) no Hoare annotation was computed. [2020-10-19 23:12:33,627 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-10-19 23:12:33,627 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-10-19 23:12:33,628 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-10-19 23:12:33,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 11:12:33 BoogieIcfgContainer [2020-10-19 23:12:33,655 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 23:12:33,656 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 23:12:33,656 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 23:12:33,656 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 23:12:33,657 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:12:03" (3/4) ... [2020-10-19 23:12:33,661 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-19 23:12:33,689 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-19 23:12:33,692 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-19 23:12:33,694 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 23:12:33,696 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 23:12:33,898 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 23:12:33,898 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 23:12:33,900 INFO L168 Benchmark]: Toolchain (without parser) took 34232.74 ms. Allocated memory was 41.9 MB in the beginning and 425.2 MB in the end (delta: 383.3 MB). Free memory was 16.8 MB in the beginning and 116.7 MB in the end (delta: -99.9 MB). Peak memory consumption was 283.4 MB. Max. memory is 14.3 GB. [2020-10-19 23:12:33,900 INFO L168 Benchmark]: CDTParser took 0.82 ms. Allocated memory is still 31.5 MB. Free memory was 7.8 MB in the beginning and 7.7 MB in the end (delta: 44.0 kB). Peak memory consumption was 44.0 kB. Max. memory is 14.3 GB. [2020-10-19 23:12:33,901 INFO L168 Benchmark]: CACSL2BoogieTranslator took 914.90 ms. Allocated memory was 41.9 MB in the beginning and 45.6 MB in the end (delta: 3.7 MB). Free memory was 16.1 MB in the beginning and 22.9 MB in the end (delta: -6.8 MB). Peak memory consumption was 11.9 MB. Max. memory is 14.3 GB. [2020-10-19 23:12:33,901 INFO L168 Benchmark]: Boogie Procedure Inliner took 195.28 ms. Allocated memory was 45.6 MB in the beginning and 47.2 MB in the end (delta: 1.6 MB). Free memory was 22.9 MB in the beginning and 19.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 20.2 MB. Max. memory is 14.3 GB. [2020-10-19 23:12:33,902 INFO L168 Benchmark]: Boogie Preprocessor took 119.53 ms. Allocated memory is still 47.2 MB. Free memory was 19.2 MB in the beginning and 9.0 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 14.3 GB. [2020-10-19 23:12:33,902 INFO L168 Benchmark]: RCFGBuilder took 2214.34 ms. Allocated memory was 47.2 MB in the beginning and 73.4 MB in the end (delta: 26.2 MB). Free memory was 9.0 MB in the beginning and 25.0 MB in the end (delta: -16.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 14.3 GB. [2020-10-19 23:12:33,902 INFO L168 Benchmark]: TraceAbstraction took 30532.87 ms. Allocated memory was 73.4 MB in the beginning and 425.2 MB in the end (delta: 351.8 MB). Free memory was 24.4 MB in the beginning and 148.7 MB in the end (delta: -124.3 MB). Peak memory consumption was 322.0 MB. Max. memory is 14.3 GB. [2020-10-19 23:12:33,903 INFO L168 Benchmark]: Witness Printer took 242.46 ms. Allocated memory is still 425.2 MB. Free memory was 148.7 MB in the beginning and 116.7 MB in the end (delta: 32.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 14.3 GB. [2020-10-19 23:12:33,906 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.82 ms. Allocated memory is still 31.5 MB. Free memory was 7.8 MB in the beginning and 7.7 MB in the end (delta: 44.0 kB). Peak memory consumption was 44.0 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 914.90 ms. Allocated memory was 41.9 MB in the beginning and 45.6 MB in the end (delta: 3.7 MB). Free memory was 16.1 MB in the beginning and 22.9 MB in the end (delta: -6.8 MB). Peak memory consumption was 11.9 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 195.28 ms. Allocated memory was 45.6 MB in the beginning and 47.2 MB in the end (delta: 1.6 MB). Free memory was 22.9 MB in the beginning and 19.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 20.2 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 119.53 ms. Allocated memory is still 47.2 MB. Free memory was 19.2 MB in the beginning and 9.0 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 14.3 GB. * RCFGBuilder took 2214.34 ms. Allocated memory was 47.2 MB in the beginning and 73.4 MB in the end (delta: 26.2 MB). Free memory was 9.0 MB in the beginning and 25.0 MB in the end (delta: -16.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 14.3 GB. * TraceAbstraction took 30532.87 ms. Allocated memory was 73.4 MB in the beginning and 425.2 MB in the end (delta: 351.8 MB). Free memory was 24.4 MB in the beginning and 148.7 MB in the end (delta: -124.3 MB). Peak memory consumption was 322.0 MB. Max. memory is 14.3 GB. * Witness Printer took 242.46 ms. Allocated memory is still 425.2 MB. Free memory was 148.7 MB in the beginning and 116.7 MB in the end (delta: 32.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: (((((((((((((a25 == 11 && a4 == 0) && a23 <= 312) && a29 <= 599998) || (((a23 <= 138 && a25 <= 10) && a4 == 1) && 0 < a23 + 43)) || ((307 <= a23 && a29 <= 599998) && a4 == 1)) || (((a25 <= 10 && a23 <= 138) && a4 == 0) && a29 <= 599998)) || ((a29 <= 599998 && 13 <= a25) && a4 == 1)) || ((a23 <= 138 && a4 == 0) && a29 + 22 <= 0)) || ((a25 <= 10 && a4 == 0) && a29 + 22 <= 0)) || (a29 <= 130 && a4 == 1)) || ((a4 == 0 && a25 == 12) && a29 <= 599998)) || ((a29 <= 599999 && a25 <= 10) && a4 == 1)) || ((a4 == 0 && a29 <= 599998) && a23 + 43 <= 0)) || ((a29 <= 599999 && a25 == 11) && a4 == 1) - InvariantResult [Line: 1030]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1036]: Loop Invariant Derived loop invariant: (((((((((((((a25 == 11 && a4 == 0) && a23 <= 312) && a29 <= 599998) || (((a23 <= 138 && a25 <= 10) && a4 == 1) && 0 < a23 + 43)) || ((307 <= a23 && a29 <= 599998) && a4 == 1)) || (((a25 <= 10 && a23 <= 138) && a4 == 0) && a29 <= 599998)) || ((a29 <= 599998 && 13 <= a25) && a4 == 1)) || ((a23 <= 138 && a4 == 0) && a29 + 22 <= 0)) || ((a25 <= 10 && a4 == 0) && a29 + 22 <= 0)) || (a29 <= 130 && a4 == 1)) || ((a4 == 0 && a25 == 12) && a29 <= 599998)) || ((a29 <= 599999 && a25 <= 10) && a4 == 1)) || ((a4 == 0 && a29 <= 599998) && a23 + 43 <= 0)) || ((a29 <= 599999 && a25 == 11) && a4 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 284 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 28.7s, OverallIterations: 14, TraceHistogramMax: 7, AutomataDifference: 21.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2803 SDtfs, 2443 SDslu, 374 SDs, 0 SdLazy, 9185 SolverSat, 1706 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 267 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8717occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 14 MinimizatonAttempts, 4661 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 117 NumberOfFragments, 271 HoareAnnotationTreeSize, 3 FomulaSimplifications, 4492 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 3 FomulaSimplificationsInter, 3330 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 4987 NumberOfCodeBlocks, 4987 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 4972 ConstructedInterpolants, 0 QuantifiedInterpolants, 4456114 SizeOfPredicates, 1 NumberOfNonLiveVariables, 350 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 15 InterpolantComputations, 14 PerfectInterpolantSequences, 6945/6991 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...