./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem10_label25.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/Problem10_label25.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 ed6672f82e83460b7d8d71e68844094d6d79d61f .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 23:10:02,340 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 23:10:02,343 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 23:10:02,367 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 23:10:02,367 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 23:10:02,368 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 23:10:02,370 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 23:10:02,372 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 23:10:02,374 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 23:10:02,375 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 23:10:02,376 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 23:10:02,377 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 23:10:02,378 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 23:10:02,379 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 23:10:02,380 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 23:10:02,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 23:10:02,382 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 23:10:02,388 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 23:10:02,390 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 23:10:02,394 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 23:10:02,397 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 23:10:02,400 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 23:10:02,403 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 23:10:02,406 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 23:10:02,412 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 23:10:02,412 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 23:10:02,414 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 23:10:02,415 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 23:10:02,417 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 23:10:02,418 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 23:10:02,419 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 23:10:02,420 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 23:10:02,421 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 23:10:02,422 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 23:10:02,423 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 23:10:02,424 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 23:10:02,425 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 23:10:02,425 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 23:10:02,426 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 23:10:02,427 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 23:10:02,429 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 23:10:02,430 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-19 23:10:02,481 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 23:10:02,481 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 23:10:02,483 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 23:10:02,485 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 23:10:02,485 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 23:10:02,486 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 23:10:02,486 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 23:10:02,486 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 23:10:02,486 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 23:10:02,487 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 23:10:02,488 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 23:10:02,488 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 23:10:02,489 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 23:10:02,489 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 23:10:02,489 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 23:10:02,490 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 23:10:02,490 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 23:10:02,491 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 23:10:02,491 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 23:10:02,491 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 23:10:02,491 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 23:10:02,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 23:10:02,492 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 23:10:02,493 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 23:10:02,493 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 23:10:02,493 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 23:10:02,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 23:10:02,494 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 23:10:02,494 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 23:10:02,494 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 -> ed6672f82e83460b7d8d71e68844094d6d79d61f [2020-10-19 23:10:02,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 23:10:02,716 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 23:10:02,720 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 23:10:02,722 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 23:10:02,722 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 23:10:02,723 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label25.c [2020-10-19 23:10:02,793 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e728a3df/0953a2c5997f4f43ab71782bec2d6acc/FLAGb867bd7fe [2020-10-19 23:10:03,464 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 23:10:03,465 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label25.c [2020-10-19 23:10:03,477 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e728a3df/0953a2c5997f4f43ab71782bec2d6acc/FLAGb867bd7fe [2020-10-19 23:10:03,695 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e728a3df/0953a2c5997f4f43ab71782bec2d6acc [2020-10-19 23:10:03,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 23:10:03,705 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 23:10:03,707 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 23:10:03,707 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 23:10:03,711 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 23:10:03,712 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 11:10:03" (1/1) ... [2020-10-19 23:10:03,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1531cae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:10:03, skipping insertion in model container [2020-10-19 23:10:03,716 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 11:10:03" (1/1) ... [2020-10-19 23:10:03,724 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 23:10:03,777 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 23:10:04,184 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 23:10:04,196 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 23:10:04,341 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 23:10:04,371 INFO L208 MainTranslator]: Completed translation [2020-10-19 23:10:04,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:10:04 WrapperNode [2020-10-19 23:10:04,372 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 23:10:04,373 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 23:10:04,373 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 23:10:04,373 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 23:10:04,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:10:04" (1/1) ... [2020-10-19 23:10:04,420 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:10:04" (1/1) ... [2020-10-19 23:10:04,486 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 23:10:04,487 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 23:10:04,487 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 23:10:04,487 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 23:10:04,498 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:10:04" (1/1) ... [2020-10-19 23:10:04,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:10:04" (1/1) ... [2020-10-19 23:10:04,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:10:04" (1/1) ... [2020-10-19 23:10:04,507 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:10:04" (1/1) ... [2020-10-19 23:10:04,535 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:10:04" (1/1) ... [2020-10-19 23:10:04,545 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:10:04" (1/1) ... [2020-10-19 23:10:04,556 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:10:04" (1/1) ... [2020-10-19 23:10:04,568 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 23:10:04,569 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 23:10:04,570 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 23:10:04,570 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 23:10:04,571 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:10:04" (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 23:10:04,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 23:10:04,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 23:10:04,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 23:10:04,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 23:10:06,181 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 23:10:06,182 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-19 23:10:06,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:10:06 BoogieIcfgContainer [2020-10-19 23:10:06,185 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 23:10:06,187 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 23:10:06,188 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 23:10:06,192 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 23:10:06,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 11:10:03" (1/3) ... [2020-10-19 23:10:06,194 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@262960a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 11:10:06, skipping insertion in model container [2020-10-19 23:10:06,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:10:04" (2/3) ... [2020-10-19 23:10:06,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@262960a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 11:10:06, skipping insertion in model container [2020-10-19 23:10:06,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:10:06" (3/3) ... [2020-10-19 23:10:06,222 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label25.c [2020-10-19 23:10:06,238 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 23:10:06,249 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-19 23:10:06,269 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-19 23:10:06,319 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 23:10:06,320 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 23:10:06,320 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 23:10:06,320 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 23:10:06,320 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 23:10:06,321 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 23:10:06,321 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 23:10:06,321 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 23:10:06,349 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-10-19 23:10:06,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-19 23:10:06,363 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:10:06,365 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:10:06,365 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:10:06,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:10:06,373 INFO L82 PathProgramCache]: Analyzing trace with hash -107486446, now seen corresponding path program 1 times [2020-10-19 23:10:06,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:10:06,385 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731306092] [2020-10-19 23:10:06,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:10:06,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:10:06,809 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 23:10:06,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731306092] [2020-10-19 23:10:06,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:10:06,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:10:06,813 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65057849] [2020-10-19 23:10:06,819 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:10:06,820 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:10:06,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:10:06,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:10:06,840 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2020-10-19 23:10:08,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:10:08,037 INFO L93 Difference]: Finished difference Result 553 states and 967 transitions. [2020-10-19 23:10:08,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:10:08,040 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2020-10-19 23:10:08,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:10:08,070 INFO L225 Difference]: With dead ends: 553 [2020-10-19 23:10:08,070 INFO L226 Difference]: Without dead ends: 282 [2020-10-19 23:10:08,080 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 23:10:08,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-10-19 23:10:08,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2020-10-19 23:10:08,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-10-19 23:10:08,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 377 transitions. [2020-10-19 23:10:08,159 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 377 transitions. Word has length 64 [2020-10-19 23:10:08,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:10:08,159 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 377 transitions. [2020-10-19 23:10:08,159 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:10:08,160 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 377 transitions. [2020-10-19 23:10:08,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-19 23:10:08,165 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:10:08,165 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:10:08,166 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-19 23:10:08,166 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:10:08,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:10:08,166 INFO L82 PathProgramCache]: Analyzing trace with hash -1705053730, now seen corresponding path program 1 times [2020-10-19 23:10:08,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:10:08,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281102435] [2020-10-19 23:10:08,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:10:08,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:10:08,329 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:10:08,330 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281102435] [2020-10-19 23:10:08,330 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:10:08,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:10:08,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135969265] [2020-10-19 23:10:08,337 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:10:08,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:10:08,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:10:08,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:10:08,339 INFO L87 Difference]: Start difference. First operand 282 states and 377 transitions. Second operand 3 states. [2020-10-19 23:10:09,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:10:09,074 INFO L93 Difference]: Finished difference Result 701 states and 967 transitions. [2020-10-19 23:10:09,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:10:09,077 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 130 [2020-10-19 23:10:09,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:10:09,083 INFO L225 Difference]: With dead ends: 701 [2020-10-19 23:10:09,083 INFO L226 Difference]: Without dead ends: 421 [2020-10-19 23:10:09,087 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 23:10:09,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2020-10-19 23:10:09,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2020-10-19 23:10:09,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-10-19 23:10:09,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 526 transitions. [2020-10-19 23:10:09,108 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 526 transitions. Word has length 130 [2020-10-19 23:10:09,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:10:09,108 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 526 transitions. [2020-10-19 23:10:09,109 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:10:09,109 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 526 transitions. [2020-10-19 23:10:09,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-10-19 23:10:09,115 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:10:09,116 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:10:09,116 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-19 23:10:09,116 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:10:09,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:10:09,117 INFO L82 PathProgramCache]: Analyzing trace with hash -1071208653, now seen corresponding path program 1 times [2020-10-19 23:10:09,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:10:09,118 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259717448] [2020-10-19 23:10:09,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:10:09,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:10:09,315 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:10:09,316 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259717448] [2020-10-19 23:10:09,318 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:10:09,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:10:09,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344964209] [2020-10-19 23:10:09,321 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:10:09,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:10:09,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:10:09,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:10:09,323 INFO L87 Difference]: Start difference. First operand 421 states and 526 transitions. Second operand 3 states. [2020-10-19 23:10:09,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:10:09,964 INFO L93 Difference]: Finished difference Result 979 states and 1209 transitions. [2020-10-19 23:10:09,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:10:09,965 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 137 [2020-10-19 23:10:09,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:10:09,970 INFO L225 Difference]: With dead ends: 979 [2020-10-19 23:10:09,972 INFO L226 Difference]: Without dead ends: 560 [2020-10-19 23:10:09,973 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 23:10:09,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-10-19 23:10:10,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2020-10-19 23:10:10,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-19 23:10:10,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 675 transitions. [2020-10-19 23:10:10,015 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 675 transitions. Word has length 137 [2020-10-19 23:10:10,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:10:10,016 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 675 transitions. [2020-10-19 23:10:10,016 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:10:10,016 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 675 transitions. [2020-10-19 23:10:10,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-19 23:10:10,020 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:10:10,024 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-19 23:10:10,024 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-19 23:10:10,025 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:10:10,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:10:10,025 INFO L82 PathProgramCache]: Analyzing trace with hash -1635648146, now seen corresponding path program 1 times [2020-10-19 23:10:10,025 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:10:10,026 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886292713] [2020-10-19 23:10:10,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:10:10,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:10:10,303 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:10:10,304 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886292713] [2020-10-19 23:10:10,304 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:10:10,305 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-19 23:10:10,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601030602] [2020-10-19 23:10:10,306 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-19 23:10:10,306 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:10:10,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-19 23:10:10,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:10:10,307 INFO L87 Difference]: Start difference. First operand 560 states and 675 transitions. Second operand 7 states. [2020-10-19 23:10:10,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:10:10,949 INFO L93 Difference]: Finished difference Result 1034 states and 1254 transitions. [2020-10-19 23:10:10,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-19 23:10:10,950 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 139 [2020-10-19 23:10:10,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:10:10,955 INFO L225 Difference]: With dead ends: 1034 [2020-10-19 23:10:10,955 INFO L226 Difference]: Without dead ends: 560 [2020-10-19 23:10:10,957 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:10:10,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-10-19 23:10:10,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2020-10-19 23:10:10,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-19 23:10:10,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 672 transitions. [2020-10-19 23:10:10,971 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 672 transitions. Word has length 139 [2020-10-19 23:10:10,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:10:10,972 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 672 transitions. [2020-10-19 23:10:10,972 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-19 23:10:10,973 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 672 transitions. [2020-10-19 23:10:10,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-19 23:10:10,986 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:10:10,986 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:10:10,987 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-19 23:10:10,987 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:10:10,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:10:10,987 INFO L82 PathProgramCache]: Analyzing trace with hash -1426063546, now seen corresponding path program 1 times [2020-10-19 23:10:10,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:10:10,988 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4231243] [2020-10-19 23:10:10,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:10:11,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:10:11,081 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:10:11,081 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4231243] [2020-10-19 23:10:11,082 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:10:11,082 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:10:11,082 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468820481] [2020-10-19 23:10:11,083 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:10:11,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:10:11,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:10:11,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:10:11,084 INFO L87 Difference]: Start difference. First operand 560 states and 672 transitions. Second operand 3 states. [2020-10-19 23:10:11,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:10:11,764 INFO L93 Difference]: Finished difference Result 1257 states and 1566 transitions. [2020-10-19 23:10:11,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:10:11,766 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2020-10-19 23:10:11,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:10:11,770 INFO L225 Difference]: With dead ends: 1257 [2020-10-19 23:10:11,770 INFO L226 Difference]: Without dead ends: 838 [2020-10-19 23:10:11,772 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 23:10:11,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2020-10-19 23:10:11,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2020-10-19 23:10:11,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2020-10-19 23:10:11,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1004 transitions. [2020-10-19 23:10:11,789 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1004 transitions. Word has length 155 [2020-10-19 23:10:11,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:10:11,790 INFO L481 AbstractCegarLoop]: Abstraction has 838 states and 1004 transitions. [2020-10-19 23:10:11,790 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:10:11,790 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1004 transitions. [2020-10-19 23:10:11,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-10-19 23:10:11,792 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:10:11,793 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-19 23:10:11,793 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-19 23:10:11,793 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:10:11,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:10:11,794 INFO L82 PathProgramCache]: Analyzing trace with hash -524039788, now seen corresponding path program 1 times [2020-10-19 23:10:11,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:10:11,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886687069] [2020-10-19 23:10:11,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:10:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:10:11,973 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-10-19 23:10:11,974 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886687069] [2020-10-19 23:10:11,974 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1764052119] [2020-10-19 23:10:11,974 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 23:10:12,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:10:12,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:10:12,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:10:12,257 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2020-10-19 23:10:12,258 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:10:12,258 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-10-19 23:10:12,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808639822] [2020-10-19 23:10:12,259 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:10:12,259 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:10:12,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:10:12,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:10:12,262 INFO L87 Difference]: Start difference. First operand 838 states and 1004 transitions. Second operand 3 states. [2020-10-19 23:10:13,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:10:13,082 INFO L93 Difference]: Finished difference Result 1257 states and 1491 transitions. [2020-10-19 23:10:13,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:10:13,083 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 175 [2020-10-19 23:10:13,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:10:13,094 INFO L225 Difference]: With dead ends: 1257 [2020-10-19 23:10:13,095 INFO L226 Difference]: Without dead ends: 1255 [2020-10-19 23:10:13,096 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:10:13,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2020-10-19 23:10:13,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 977. [2020-10-19 23:10:13,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2020-10-19 23:10:13,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1191 transitions. [2020-10-19 23:10:13,138 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1191 transitions. Word has length 175 [2020-10-19 23:10:13,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:10:13,139 INFO L481 AbstractCegarLoop]: Abstraction has 977 states and 1191 transitions. [2020-10-19 23:10:13,139 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:10:13,139 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1191 transitions. [2020-10-19 23:10:13,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2020-10-19 23:10:13,148 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:10:13,148 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:10:13,371 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-10-19 23:10:13,372 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:10:13,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:10:13,373 INFO L82 PathProgramCache]: Analyzing trace with hash 1547706370, now seen corresponding path program 1 times [2020-10-19 23:10:13,373 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:10:13,373 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382685453] [2020-10-19 23:10:13,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:10:13,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:10:13,625 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:10:13,627 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382685453] [2020-10-19 23:10:13,627 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:10:13,627 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:10:13,628 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108631335] [2020-10-19 23:10:13,629 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:10:13,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:10:13,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:10:13,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:10:13,632 INFO L87 Difference]: Start difference. First operand 977 states and 1191 transitions. Second operand 3 states. [2020-10-19 23:10:14,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:10:14,248 INFO L93 Difference]: Finished difference Result 2091 states and 2614 transitions. [2020-10-19 23:10:14,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:10:14,248 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 253 [2020-10-19 23:10:14,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:10:14,255 INFO L225 Difference]: With dead ends: 2091 [2020-10-19 23:10:14,256 INFO L226 Difference]: Without dead ends: 1255 [2020-10-19 23:10:14,258 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 23:10:14,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2020-10-19 23:10:14,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1255. [2020-10-19 23:10:14,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-10-19 23:10:14,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1461 transitions. [2020-10-19 23:10:14,284 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1461 transitions. Word has length 253 [2020-10-19 23:10:14,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:10:14,285 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1461 transitions. [2020-10-19 23:10:14,285 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:10:14,285 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1461 transitions. [2020-10-19 23:10:14,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2020-10-19 23:10:14,290 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:10:14,291 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:10:14,291 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-19 23:10:14,291 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:10:14,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:10:14,292 INFO L82 PathProgramCache]: Analyzing trace with hash -1044473263, now seen corresponding path program 1 times [2020-10-19 23:10:14,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:10:14,293 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084510983] [2020-10-19 23:10:14,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:10:14,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:10:14,969 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 77 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:10:14,970 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084510983] [2020-10-19 23:10:14,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [695291712] [2020-10-19 23:10:14,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:10:15,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:10:15,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:10:15,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:10:15,351 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-10-19 23:10:15,352 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:10:15,352 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-10-19 23:10:15,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853091956] [2020-10-19 23:10:15,354 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:10:15,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:10:15,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:10:15,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-19 23:10:15,355 INFO L87 Difference]: Start difference. First operand 1255 states and 1461 transitions. Second operand 3 states. [2020-10-19 23:10:16,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:10:16,137 INFO L93 Difference]: Finished difference Result 1674 states and 1948 transitions. [2020-10-19 23:10:16,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:10:16,138 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 312 [2020-10-19 23:10:16,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:10:16,146 INFO L225 Difference]: With dead ends: 1674 [2020-10-19 23:10:16,146 INFO L226 Difference]: Without dead ends: 1672 [2020-10-19 23:10:16,147 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-19 23:10:16,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2020-10-19 23:10:16,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1255. [2020-10-19 23:10:16,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-10-19 23:10:16,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1461 transitions. [2020-10-19 23:10:16,176 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1461 transitions. Word has length 312 [2020-10-19 23:10:16,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:10:16,177 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1461 transitions. [2020-10-19 23:10:16,177 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:10:16,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1461 transitions. [2020-10-19 23:10:16,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2020-10-19 23:10:16,184 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:10:16,185 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:10:16,399 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:10:16,399 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:10:16,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:10:16,401 INFO L82 PathProgramCache]: Analyzing trace with hash -1337800033, now seen corresponding path program 1 times [2020-10-19 23:10:16,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:10:16,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186584162] [2020-10-19 23:10:16,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:10:16,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:10:16,687 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-10-19 23:10:16,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186584162] [2020-10-19 23:10:16,688 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:10:16,689 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:10:16,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304483868] [2020-10-19 23:10:16,690 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:10:16,690 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:10:16,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:10:16,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:10:16,691 INFO L87 Difference]: Start difference. First operand 1255 states and 1461 transitions. Second operand 3 states. [2020-10-19 23:10:17,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:10:17,353 INFO L93 Difference]: Finished difference Result 2647 states and 3154 transitions. [2020-10-19 23:10:17,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:10:17,354 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 326 [2020-10-19 23:10:17,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:10:17,363 INFO L225 Difference]: With dead ends: 2647 [2020-10-19 23:10:17,364 INFO L226 Difference]: Without dead ends: 1533 [2020-10-19 23:10:17,366 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 23:10:17,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1533 states. [2020-10-19 23:10:17,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1533 to 1394. [2020-10-19 23:10:17,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1394 states. [2020-10-19 23:10:17,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 1615 transitions. [2020-10-19 23:10:17,400 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 1615 transitions. Word has length 326 [2020-10-19 23:10:17,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:10:17,401 INFO L481 AbstractCegarLoop]: Abstraction has 1394 states and 1615 transitions. [2020-10-19 23:10:17,401 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:10:17,402 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1615 transitions. [2020-10-19 23:10:17,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-10-19 23:10:17,415 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:10:17,415 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:10:17,416 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-19 23:10:17,416 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:10:17,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:10:17,417 INFO L82 PathProgramCache]: Analyzing trace with hash 1685603334, now seen corresponding path program 1 times [2020-10-19 23:10:17,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:10:17,418 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730192275] [2020-10-19 23:10:17,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:10:17,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:10:17,680 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2020-10-19 23:10:17,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730192275] [2020-10-19 23:10:17,681 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:10:17,681 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:10:17,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810389377] [2020-10-19 23:10:17,682 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:10:17,683 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:10:17,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:10:17,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:10:17,684 INFO L87 Difference]: Start difference. First operand 1394 states and 1615 transitions. Second operand 3 states. [2020-10-19 23:10:18,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:10:18,520 INFO L93 Difference]: Finished difference Result 3759 states and 4365 transitions. [2020-10-19 23:10:18,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:10:18,521 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 336 [2020-10-19 23:10:18,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:10:18,532 INFO L225 Difference]: With dead ends: 3759 [2020-10-19 23:10:18,533 INFO L226 Difference]: Without dead ends: 2506 [2020-10-19 23:10:18,535 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 23:10:18,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2506 states. [2020-10-19 23:10:18,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2506 to 1811. [2020-10-19 23:10:18,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1811 states. [2020-10-19 23:10:18,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1811 states to 1811 states and 2066 transitions. [2020-10-19 23:10:18,583 INFO L78 Accepts]: Start accepts. Automaton has 1811 states and 2066 transitions. Word has length 336 [2020-10-19 23:10:18,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:10:18,584 INFO L481 AbstractCegarLoop]: Abstraction has 1811 states and 2066 transitions. [2020-10-19 23:10:18,584 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:10:18,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1811 states and 2066 transitions. [2020-10-19 23:10:18,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2020-10-19 23:10:18,589 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:10:18,589 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-19 23:10:18,590 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-19 23:10:18,590 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:10:18,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:10:18,590 INFO L82 PathProgramCache]: Analyzing trace with hash -1535815247, now seen corresponding path program 1 times [2020-10-19 23:10:18,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:10:18,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79593298] [2020-10-19 23:10:18,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:10:18,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:10:19,026 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2020-10-19 23:10:19,026 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79593298] [2020-10-19 23:10:19,027 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:10:19,027 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:10:19,027 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787442109] [2020-10-19 23:10:19,028 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:10:19,028 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:10:19,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:10:19,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:10:19,029 INFO L87 Difference]: Start difference. First operand 1811 states and 2066 transitions. Second operand 4 states. [2020-10-19 23:10:19,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:10:19,558 INFO L93 Difference]: Finished difference Result 3354 states and 3845 transitions. [2020-10-19 23:10:19,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 23:10:19,559 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 370 [2020-10-19 23:10:19,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:10:19,560 INFO L225 Difference]: With dead ends: 3354 [2020-10-19 23:10:19,560 INFO L226 Difference]: Without dead ends: 0 [2020-10-19 23:10:19,564 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 23:10:19,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-19 23:10:19,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-19 23:10:19,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-19 23:10:19,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 23:10:19,566 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 370 [2020-10-19 23:10:19,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:10:19,566 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 23:10:19,566 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:10:19,566 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-19 23:10:19,567 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-19 23:10:19,567 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-19 23:10:19,569 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-19 23:10:19,833 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 38 [2020-10-19 23:10:19,990 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 38 [2020-10-19 23:10:19,994 INFO L274 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-10-19 23:10:19,994 INFO L274 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-10-19 23:10:19,994 INFO L274 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-10-19 23:10:19,995 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-19 23:10:19,995 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-19 23:10:19,995 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-19 23:10:19,995 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-19 23:10:19,995 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-19 23:10:19,995 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-19 23:10:19,995 INFO L274 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-10-19 23:10:19,995 INFO L274 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-10-19 23:10:19,997 INFO L274 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-10-19 23:10:19,998 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-19 23:10:19,998 INFO L274 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-10-19 23:10:19,998 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:19,998 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,002 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,002 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,003 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,003 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,004 INFO L274 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-10-19 23:10:20,004 INFO L274 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-10-19 23:10:20,004 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-19 23:10:20,004 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-19 23:10:20,004 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-19 23:10:20,004 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-19 23:10:20,005 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-19 23:10:20,005 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-19 23:10:20,005 INFO L274 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-10-19 23:10:20,005 INFO L274 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-10-19 23:10:20,005 INFO L274 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-10-19 23:10:20,005 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,006 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,006 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,006 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,006 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,006 INFO L274 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-10-19 23:10:20,007 INFO L274 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-10-19 23:10:20,007 INFO L274 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-10-19 23:10:20,007 INFO L274 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-10-19 23:10:20,007 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-19 23:10:20,007 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-19 23:10:20,007 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-19 23:10:20,008 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-19 23:10:20,008 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-19 23:10:20,008 INFO L274 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-10-19 23:10:20,008 INFO L274 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-10-19 23:10:20,008 INFO L274 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-10-19 23:10:20,008 INFO L274 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-10-19 23:10:20,009 INFO L274 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-10-19 23:10:20,009 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,009 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,009 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,009 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,009 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,010 INFO L274 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-10-19 23:10:20,010 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-19 23:10:20,010 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-19 23:10:20,012 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-19 23:10:20,012 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-19 23:10:20,012 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-19 23:10:20,014 INFO L270 CegarLoopResult]: At program point L575(lines 22 576) the Hoare annotation is: (let ((.cse3 (= ~a10~0 1)) (.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0)) (.cse2 (<= ~a19~0 9))) (or (and .cse0 (= ~a10~0 2) .cse1 .cse2) (and .cse0 (<= ~a1~0 33) .cse1 .cse2) (and .cse3 .cse0 (<= 9 ~a19~0) .cse1) (and (= ~a10~0 3) .cse0 .cse1 .cse2) (and .cse3 (= 7 ~a19~0) .cse0 .cse1 (<= 221 ~a1~0)) (and .cse0 (= ~a10~0 0) .cse1) (and (<= 8 ~a19~0) .cse0 .cse1 .cse2))) [2020-10-19 23:10:20,014 INFO L274 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-10-19 23:10:20,014 INFO L274 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-10-19 23:10:20,014 INFO L274 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-10-19 23:10:20,014 INFO L274 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-10-19 23:10:20,015 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,015 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,015 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,015 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,015 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,015 INFO L274 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-10-19 23:10:20,016 INFO L274 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-10-19 23:10:20,016 INFO L274 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-10-19 23:10:20,016 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-19 23:10:20,016 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-19 23:10:20,016 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-19 23:10:20,016 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-19 23:10:20,017 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-19 23:10:20,017 INFO L274 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-10-19 23:10:20,017 INFO L274 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-10-19 23:10:20,017 INFO L277 CegarLoopResult]: At program point L578(lines 578 594) the Hoare annotation is: true [2020-10-19 23:10:20,017 INFO L274 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-10-19 23:10:20,018 INFO L274 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-10-19 23:10:20,018 INFO L274 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-10-19 23:10:20,018 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,018 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,018 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,018 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,019 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,019 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-19 23:10:20,019 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-19 23:10:20,019 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-19 23:10:20,019 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-19 23:10:20,019 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-19 23:10:20,020 INFO L274 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-10-19 23:10:20,020 INFO L274 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-10-19 23:10:20,020 INFO L274 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-10-19 23:10:20,020 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-19 23:10:20,020 INFO L274 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-10-19 23:10:20,020 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,021 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,021 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,021 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,021 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,021 INFO L274 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-10-19 23:10:20,021 INFO L274 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-10-19 23:10:20,022 INFO L274 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-10-19 23:10:20,022 INFO L274 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-10-19 23:10:20,022 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-19 23:10:20,022 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-19 23:10:20,022 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-19 23:10:20,022 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-19 23:10:20,023 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-19 23:10:20,023 INFO L274 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-10-19 23:10:20,023 INFO L274 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-10-19 23:10:20,024 INFO L274 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-10-19 23:10:20,024 INFO L270 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (let ((.cse3 (= ~a10~0 1)) (.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0)) (.cse2 (<= ~a19~0 9))) (or (and .cse0 (= ~a10~0 2) .cse1 .cse2) (and .cse0 (<= ~a1~0 33) .cse1 .cse2) (and .cse3 .cse0 (<= 9 ~a19~0) .cse1) (and (= ~a10~0 3) .cse0 .cse1 .cse2) (and .cse3 (= 7 ~a19~0) .cse0 .cse1 (<= 221 ~a1~0)) (and .cse0 (= ~a10~0 0) .cse1) (and (<= 8 ~a19~0) .cse0 .cse1 .cse2))) [2020-10-19 23:10:20,024 INFO L274 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-10-19 23:10:20,024 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,024 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,025 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,025 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,025 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-19 23:10:20,025 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,025 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,025 INFO L274 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-10-19 23:10:20,026 INFO L274 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-10-19 23:10:20,026 INFO L274 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-10-19 23:10:20,026 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-19 23:10:20,026 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-19 23:10:20,026 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-19 23:10:20,026 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-19 23:10:20,027 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-19 23:10:20,027 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-19 23:10:20,027 INFO L274 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-10-19 23:10:20,027 INFO L274 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-10-19 23:10:20,027 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-19 23:10:20,027 INFO L274 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-10-19 23:10:20,028 INFO L274 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-10-19 23:10:20,028 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,028 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,028 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,028 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,029 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,029 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,029 INFO L274 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-10-19 23:10:20,029 INFO L274 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-10-19 23:10:20,029 INFO L274 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-10-19 23:10:20,029 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-19 23:10:20,030 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-19 23:10:20,030 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-19 23:10:20,030 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-19 23:10:20,030 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-19 23:10:20,030 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-19 23:10:20,030 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-19 23:10:20,031 INFO L274 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-10-19 23:10:20,031 INFO L274 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-10-19 23:10:20,031 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-19 23:10:20,031 INFO L274 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-10-19 23:10:20,031 INFO L274 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-10-19 23:10:20,031 INFO L274 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-10-19 23:10:20,032 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,032 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,032 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,032 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,032 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,032 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,033 INFO L274 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-10-19 23:10:20,033 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-19 23:10:20,033 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-19 23:10:20,033 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-19 23:10:20,033 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-19 23:10:20,033 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-19 23:10:20,034 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-19 23:10:20,034 INFO L274 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-10-19 23:10:20,034 INFO L274 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-10-19 23:10:20,034 INFO L274 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-10-19 23:10:20,034 INFO L274 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-10-19 23:10:20,034 INFO L274 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-10-19 23:10:20,035 INFO L274 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-10-19 23:10:20,035 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,035 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,035 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,035 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,036 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,036 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-19 23:10:20,037 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,037 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-19 23:10:20,037 INFO L274 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-10-19 23:10:20,037 INFO L274 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-10-19 23:10:20,037 INFO L274 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-10-19 23:10:20,037 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-19 23:10:20,038 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-19 23:10:20,038 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-19 23:10:20,038 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-19 23:10:20,038 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-19 23:10:20,038 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-19 23:10:20,039 INFO L274 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-10-19 23:10:20,039 INFO L274 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-10-19 23:10:20,039 INFO L274 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-10-19 23:10:20,039 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,039 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,039 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,040 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,040 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,040 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:20,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 11:10:20 BoogieIcfgContainer [2020-10-19 23:10:20,066 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 23:10:20,067 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 23:10:20,067 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 23:10:20,067 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 23:10:20,068 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:10:06" (3/4) ... [2020-10-19 23:10:20,072 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-19 23:10:20,104 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-19 23:10:20,105 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-19 23:10:20,107 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 23:10:20,108 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 23:10:20,338 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 23:10:20,339 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 23:10:20,341 INFO L168 Benchmark]: Toolchain (without parser) took 16640.31 ms. Allocated memory was 39.8 MB in the beginning and 190.3 MB in the end (delta: 150.5 MB). Free memory was 16.2 MB in the beginning and 28.2 MB in the end (delta: -12.0 MB). Peak memory consumption was 138.5 MB. Max. memory is 14.3 GB. [2020-10-19 23:10:20,341 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 30.9 MB. Free memory is still 6.3 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-19 23:10:20,342 INFO L168 Benchmark]: CACSL2BoogieTranslator took 665.73 ms. Allocated memory was 39.8 MB in the beginning and 42.5 MB in the end (delta: 2.6 MB). Free memory was 15.3 MB in the beginning and 23.7 MB in the end (delta: -8.4 MB). Peak memory consumption was 8.2 MB. Max. memory is 14.3 GB. [2020-10-19 23:10:20,343 INFO L168 Benchmark]: Boogie Procedure Inliner took 113.62 ms. Allocated memory is still 42.5 MB. Free memory was 23.7 MB in the beginning and 15.5 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 14.3 GB. [2020-10-19 23:10:20,343 INFO L168 Benchmark]: Boogie Preprocessor took 82.33 ms. Allocated memory is still 42.5 MB. Free memory was 15.5 MB in the beginning and 10.0 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 14.3 GB. [2020-10-19 23:10:20,344 INFO L168 Benchmark]: RCFGBuilder took 1615.87 ms. Allocated memory was 42.5 MB in the beginning and 53.5 MB in the end (delta: 11.0 MB). Free memory was 10.0 MB in the beginning and 10.4 MB in the end (delta: -422.9 kB). Peak memory consumption was 11.3 MB. Max. memory is 14.3 GB. [2020-10-19 23:10:20,344 INFO L168 Benchmark]: TraceAbstraction took 13879.08 ms. Allocated memory was 53.5 MB in the beginning and 190.3 MB in the end (delta: 136.8 MB). Free memory was 10.0 MB in the beginning and 48.9 MB in the end (delta: -38.8 MB). Peak memory consumption was 98.0 MB. Max. memory is 14.3 GB. [2020-10-19 23:10:20,345 INFO L168 Benchmark]: Witness Printer took 272.35 ms. Allocated memory is still 190.3 MB. Free memory was 48.9 MB in the beginning and 28.2 MB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 14.3 GB. [2020-10-19 23:10:20,348 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 30.9 MB. Free memory is still 6.3 MB. There was no memory consumed. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 665.73 ms. Allocated memory was 39.8 MB in the beginning and 42.5 MB in the end (delta: 2.6 MB). Free memory was 15.3 MB in the beginning and 23.7 MB in the end (delta: -8.4 MB). Peak memory consumption was 8.2 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 113.62 ms. Allocated memory is still 42.5 MB. Free memory was 23.7 MB in the beginning and 15.5 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 82.33 ms. Allocated memory is still 42.5 MB. Free memory was 15.5 MB in the beginning and 10.0 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1615.87 ms. Allocated memory was 42.5 MB in the beginning and 53.5 MB in the end (delta: 11.0 MB). Free memory was 10.0 MB in the beginning and 10.4 MB in the end (delta: -422.9 kB). Peak memory consumption was 11.3 MB. Max. memory is 14.3 GB. * TraceAbstraction took 13879.08 ms. Allocated memory was 53.5 MB in the beginning and 190.3 MB in the end (delta: 136.8 MB). Free memory was 10.0 MB in the beginning and 48.9 MB in the end (delta: -38.8 MB). Peak memory consumption was 98.0 MB. Max. memory is 14.3 GB. * Witness Printer took 272.35 ms. Allocated memory is still 190.3 MB. Free memory was 48.9 MB in the beginning and 28.2 MB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 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: 578]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: ((((((((14 == a4 && a10 == 2) && a12 == 0) && a19 <= 9) || (((14 == a4 && a1 <= 33) && a12 == 0) && a19 <= 9)) || (((a10 == 1 && 14 == a4) && 9 <= a19) && a12 == 0)) || (((a10 == 3 && 14 == a4) && a12 == 0) && a19 <= 9)) || ((((a10 == 1 && 7 == a19) && 14 == a4) && a12 == 0) && 221 <= a1)) || ((14 == a4 && a10 == 0) && a12 == 0)) || (((8 <= a19 && 14 == a4) && a12 == 0) && a19 <= 9) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: ((((((((14 == a4 && a10 == 2) && a12 == 0) && a19 <= 9) || (((14 == a4 && a1 <= 33) && a12 == 0) && a19 <= 9)) || (((a10 == 1 && 14 == a4) && 9 <= a19) && a12 == 0)) || (((a10 == 3 && 14 == a4) && a12 == 0) && a19 <= 9)) || ((((a10 == 1 && 7 == a19) && 14 == a4) && a12 == 0) && 221 <= a1)) || ((14 == a4 && a10 == 0) && a12 == 0)) || (((8 <= a19 && 14 == a4) && a12 == 0) && a19 <= 9) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.2s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 8.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 900 SDtfs, 1058 SDslu, 52 SDs, 0 SdLazy, 4197 SolverSat, 607 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 520 GetRequests, 499 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1811occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 1529 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 33 NumberOfFragments, 185 HoareAnnotationTreeSize, 3 FomulaSimplifications, 980 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 210 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 2884 NumberOfCodeBlocks, 2884 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2871 ConstructedInterpolants, 0 QuantifiedInterpolants, 2837562 SizeOfPredicates, 2 NumberOfNonLiveVariables, 701 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 2128/2309 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...