./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem10_label31.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem10_label31.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 40e3baadc644afa2c6a2df8994d3e776c3d64041 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-25 20:27:07,271 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 20:27:07,274 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 20:27:07,321 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 20:27:07,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 20:27:07,325 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 20:27:07,328 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 20:27:07,334 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 20:27:07,339 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 20:27:07,342 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 20:27:07,344 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 20:27:07,349 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 20:27:07,351 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 20:27:07,355 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 20:27:07,357 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 20:27:07,360 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 20:27:07,365 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 20:27:07,371 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 20:27:07,376 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 20:27:07,380 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 20:27:07,384 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 20:27:07,390 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 20:27:07,391 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 20:27:07,394 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 20:27:07,401 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 20:27:07,402 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 20:27:07,404 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 20:27:07,405 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 20:27:07,407 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 20:27:07,409 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 20:27:07,410 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 20:27:07,411 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 20:27:07,412 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 20:27:07,414 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 20:27:07,415 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 20:27:07,416 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 20:27:07,417 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 20:27:07,417 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 20:27:07,418 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 20:27:07,420 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 20:27:07,421 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 20:27:07,422 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 20:27:07,449 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 20:27:07,449 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 20:27:07,451 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 20:27:07,455 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 20:27:07,455 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 20:27:07,455 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 20:27:07,456 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 20:27:07,456 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 20:27:07,456 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 20:27:07,456 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 20:27:07,456 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 20:27:07,457 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 20:27:07,457 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 20:27:07,457 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 20:27:07,457 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 20:27:07,458 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 20:27:07,458 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 20:27:07,458 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 20:27:07,458 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 20:27:07,459 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 20:27:07,459 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 20:27:07,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 20:27:07,459 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 20:27:07,460 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 20:27:07,460 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 20:27:07,460 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 20:27:07,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 20:27:07,460 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 20:27:07,461 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 20:27:07,461 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40e3baadc644afa2c6a2df8994d3e776c3d64041 [2020-10-25 20:27:07,865 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 20:27:07,891 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 20:27:07,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 20:27:07,896 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 20:27:07,897 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 20:27:07,898 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label31.c [2020-10-25 20:27:07,973 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45976747d/cf43119557734f6a99568cd0740637da/FLAGc9b430eaf [2020-10-25 20:27:08,799 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 20:27:08,802 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label31.c [2020-10-25 20:27:08,823 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45976747d/cf43119557734f6a99568cd0740637da/FLAGc9b430eaf [2020-10-25 20:27:08,999 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45976747d/cf43119557734f6a99568cd0740637da [2020-10-25 20:27:09,003 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 20:27:09,010 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 20:27:09,012 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 20:27:09,013 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 20:27:09,018 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 20:27:09,020 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 08:27:09" (1/1) ... [2020-10-25 20:27:09,024 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37a622b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:27:09, skipping insertion in model container [2020-10-25 20:27:09,025 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 08:27:09" (1/1) ... [2020-10-25 20:27:09,034 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 20:27:09,083 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 20:27:09,552 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 20:27:09,576 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 20:27:09,777 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 20:27:09,803 INFO L208 MainTranslator]: Completed translation [2020-10-25 20:27:09,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:27:09 WrapperNode [2020-10-25 20:27:09,804 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 20:27:09,805 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 20:27:09,805 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 20:27:09,807 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 20:27:09,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:27:09" (1/1) ... [2020-10-25 20:27:09,840 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:27:09" (1/1) ... [2020-10-25 20:27:09,928 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 20:27:09,929 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 20:27:09,929 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 20:27:09,929 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 20:27:09,943 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:27:09" (1/1) ... [2020-10-25 20:27:09,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:27:09" (1/1) ... [2020-10-25 20:27:09,968 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:27:09" (1/1) ... [2020-10-25 20:27:09,969 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:27:09" (1/1) ... [2020-10-25 20:27:10,024 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:27:09" (1/1) ... [2020-10-25 20:27:10,044 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:27:09" (1/1) ... [2020-10-25 20:27:10,064 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:27:09" (1/1) ... [2020-10-25 20:27:10,086 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 20:27:10,088 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 20:27:10,089 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 20:27:10,089 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 20:27:10,091 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:27:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 20:27:10,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 20:27:10,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 20:27:10,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 20:27:10,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 20:27:11,704 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 20:27:11,705 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-25 20:27:11,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:27:11 BoogieIcfgContainer [2020-10-25 20:27:11,707 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 20:27:11,709 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 20:27:11,709 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 20:27:11,713 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 20:27:11,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 08:27:09" (1/3) ... [2020-10-25 20:27:11,715 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59d7fa15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 08:27:11, skipping insertion in model container [2020-10-25 20:27:11,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:27:09" (2/3) ... [2020-10-25 20:27:11,715 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59d7fa15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 08:27:11, skipping insertion in model container [2020-10-25 20:27:11,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:27:11" (3/3) ... [2020-10-25 20:27:11,717 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label31.c [2020-10-25 20:27:11,731 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 20:27:11,737 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 20:27:11,752 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 20:27:11,785 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 20:27:11,785 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 20:27:11,785 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 20:27:11,785 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 20:27:11,785 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 20:27:11,786 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 20:27:11,786 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 20:27:11,786 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 20:27:11,819 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-10-25 20:27:11,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-10-25 20:27:11,829 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:27:11,830 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] [2020-10-25 20:27:11,830 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:27:11,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:27:11,838 INFO L82 PathProgramCache]: Analyzing trace with hash 712930081, now seen corresponding path program 1 times [2020-10-25 20:27:11,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:27:11,850 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819589733] [2020-10-25 20:27:11,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:27:12,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:27:12,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:27:12,195 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819589733] [2020-10-25 20:27:12,196 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:27:12,196 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 20:27:12,198 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725175966] [2020-10-25 20:27:12,206 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:27:12,207 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:27:12,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:27:12,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:27:12,230 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2020-10-25 20:27:13,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:27:13,362 INFO L93 Difference]: Finished difference Result 553 states and 967 transitions. [2020-10-25 20:27:13,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:27:13,364 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2020-10-25 20:27:13,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:27:13,399 INFO L225 Difference]: With dead ends: 553 [2020-10-25 20:27:13,401 INFO L226 Difference]: Without dead ends: 282 [2020-10-25 20:27:13,409 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:27:13,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-10-25 20:27:13,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2020-10-25 20:27:13,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-10-25 20:27:13,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 377 transitions. [2020-10-25 20:27:13,513 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 377 transitions. Word has length 43 [2020-10-25 20:27:13,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:27:13,514 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 377 transitions. [2020-10-25 20:27:13,514 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:27:13,515 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 377 transitions. [2020-10-25 20:27:13,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-25 20:27:13,523 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:27:13,524 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:27:13,524 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 20:27:13,524 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:27:13,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:27:13,528 INFO L82 PathProgramCache]: Analyzing trace with hash -429461966, now seen corresponding path program 1 times [2020-10-25 20:27:13,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:27:13,530 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26604235] [2020-10-25 20:27:13,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:27:13,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:27:13,781 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:27:13,782 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26604235] [2020-10-25 20:27:13,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:27:13,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:27:13,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202875670] [2020-10-25 20:27:13,784 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:27:13,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:27:13,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:27:13,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:27:13,786 INFO L87 Difference]: Start difference. First operand 282 states and 377 transitions. Second operand 3 states. [2020-10-25 20:27:14,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:27:14,687 INFO L93 Difference]: Finished difference Result 701 states and 967 transitions. [2020-10-25 20:27:14,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:27:14,690 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2020-10-25 20:27:14,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:27:14,699 INFO L225 Difference]: With dead ends: 701 [2020-10-25 20:27:14,699 INFO L226 Difference]: Without dead ends: 421 [2020-10-25 20:27:14,702 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:27:14,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2020-10-25 20:27:14,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2020-10-25 20:27:14,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-10-25 20:27:14,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 526 transitions. [2020-10-25 20:27:14,742 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 526 transitions. Word has length 109 [2020-10-25 20:27:14,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:27:14,745 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 526 transitions. [2020-10-25 20:27:14,747 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:27:14,747 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 526 transitions. [2020-10-25 20:27:14,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-25 20:27:14,753 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:27:14,754 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:27:14,754 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 20:27:14,754 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:27:14,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:27:14,758 INFO L82 PathProgramCache]: Analyzing trace with hash -451692445, now seen corresponding path program 1 times [2020-10-25 20:27:14,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:27:14,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336032727] [2020-10-25 20:27:14,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:27:14,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:27:14,998 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:27:14,999 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336032727] [2020-10-25 20:27:14,999 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:27:15,000 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 20:27:15,000 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661205879] [2020-10-25 20:27:15,001 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:27:15,001 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:27:15,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:27:15,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:27:15,003 INFO L87 Difference]: Start difference. First operand 421 states and 526 transitions. Second operand 3 states. [2020-10-25 20:27:15,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:27:15,804 INFO L93 Difference]: Finished difference Result 979 states and 1209 transitions. [2020-10-25 20:27:15,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:27:15,805 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116 [2020-10-25 20:27:15,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:27:15,811 INFO L225 Difference]: With dead ends: 979 [2020-10-25 20:27:15,812 INFO L226 Difference]: Without dead ends: 560 [2020-10-25 20:27:15,814 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:27:15,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-10-25 20:27:15,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2020-10-25 20:27:15,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-25 20:27:15,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 675 transitions. [2020-10-25 20:27:15,853 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 675 transitions. Word has length 116 [2020-10-25 20:27:15,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:27:15,854 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 675 transitions. [2020-10-25 20:27:15,854 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:27:15,854 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 675 transitions. [2020-10-25 20:27:15,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-10-25 20:27:15,857 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:27:15,857 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:27:15,858 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 20:27:15,858 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:27:15,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:27:15,858 INFO L82 PathProgramCache]: Analyzing trace with hash 1146461832, now seen corresponding path program 1 times [2020-10-25 20:27:15,859 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:27:15,859 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728322500] [2020-10-25 20:27:15,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:27:15,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:27:16,163 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 38 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:27:16,164 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728322500] [2020-10-25 20:27:16,164 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [582566992] [2020-10-25 20:27:16,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 20:27:16,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:27:16,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 20:27:16,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 20:27:16,510 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:27:16,510 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 20:27:16,511 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2020-10-25 20:27:16,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450590451] [2020-10-25 20:27:16,512 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:27:16,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:27:16,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:27:16,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-10-25 20:27:16,513 INFO L87 Difference]: Start difference. First operand 560 states and 675 transitions. Second operand 3 states. [2020-10-25 20:27:17,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:27:17,507 INFO L93 Difference]: Finished difference Result 979 states and 1199 transitions. [2020-10-25 20:27:17,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:27:17,507 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 118 [2020-10-25 20:27:17,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:27:17,515 INFO L225 Difference]: With dead ends: 979 [2020-10-25 20:27:17,515 INFO L226 Difference]: Without dead ends: 977 [2020-10-25 20:27:17,517 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-10-25 20:27:17,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2020-10-25 20:27:17,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 699. [2020-10-25 20:27:17,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2020-10-25 20:27:17,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 889 transitions. [2020-10-25 20:27:17,546 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 889 transitions. Word has length 118 [2020-10-25 20:27:17,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:27:17,548 INFO L481 AbstractCegarLoop]: Abstraction has 699 states and 889 transitions. [2020-10-25 20:27:17,548 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:27:17,549 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 889 transitions. [2020-10-25 20:27:17,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-25 20:27:17,564 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:27:17,564 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:27:17,778 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 20:27:17,779 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:27:17,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:27:17,780 INFO L82 PathProgramCache]: Analyzing trace with hash -1708165452, now seen corresponding path program 1 times [2020-10-25 20:27:17,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:27:17,781 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016903588] [2020-10-25 20:27:17,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:27:17,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:27:17,934 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:27:17,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016903588] [2020-10-25 20:27:17,935 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:27:17,935 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 20:27:17,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000139460] [2020-10-25 20:27:17,936 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:27:17,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:27:17,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:27:17,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:27:17,937 INFO L87 Difference]: Start difference. First operand 699 states and 889 transitions. Second operand 3 states. [2020-10-25 20:27:18,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:27:18,805 INFO L93 Difference]: Finished difference Result 1535 states and 2000 transitions. [2020-10-25 20:27:18,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:27:18,806 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2020-10-25 20:27:18,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:27:18,813 INFO L225 Difference]: With dead ends: 1535 [2020-10-25 20:27:18,814 INFO L226 Difference]: Without dead ends: 977 [2020-10-25 20:27:18,816 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:27:18,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2020-10-25 20:27:18,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2020-10-25 20:27:18,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2020-10-25 20:27:18,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1197 transitions. [2020-10-25 20:27:18,844 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1197 transitions. Word has length 161 [2020-10-25 20:27:18,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:27:18,845 INFO L481 AbstractCegarLoop]: Abstraction has 977 states and 1197 transitions. [2020-10-25 20:27:18,845 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:27:18,846 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1197 transitions. [2020-10-25 20:27:18,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-10-25 20:27:18,850 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:27:18,851 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:27:18,851 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 20:27:18,851 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:27:18,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:27:18,853 INFO L82 PathProgramCache]: Analyzing trace with hash 815720823, now seen corresponding path program 1 times [2020-10-25 20:27:18,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:27:18,853 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192887507] [2020-10-25 20:27:18,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:27:18,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:27:19,321 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:27:19,322 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192887507] [2020-10-25 20:27:19,322 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:27:19,323 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-25 20:27:19,323 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797093023] [2020-10-25 20:27:19,324 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-25 20:27:19,325 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:27:19,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-25 20:27:19,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-25 20:27:19,326 INFO L87 Difference]: Start difference. First operand 977 states and 1197 transitions. Second operand 7 states. [2020-10-25 20:27:20,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:27:20,375 INFO L93 Difference]: Finished difference Result 1868 states and 2303 transitions. [2020-10-25 20:27:20,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-25 20:27:20,376 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 196 [2020-10-25 20:27:20,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:27:20,382 INFO L225 Difference]: With dead ends: 1868 [2020-10-25 20:27:20,382 INFO L226 Difference]: Without dead ends: 977 [2020-10-25 20:27:20,385 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-25 20:27:20,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2020-10-25 20:27:20,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2020-10-25 20:27:20,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2020-10-25 20:27:20,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1191 transitions. [2020-10-25 20:27:20,412 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1191 transitions. Word has length 196 [2020-10-25 20:27:20,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:27:20,413 INFO L481 AbstractCegarLoop]: Abstraction has 977 states and 1191 transitions. [2020-10-25 20:27:20,413 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-25 20:27:20,413 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1191 transitions. [2020-10-25 20:27:20,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-25 20:27:20,418 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:27:20,418 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-25 20:27:20,418 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-25 20:27:20,419 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:27:20,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:27:20,419 INFO L82 PathProgramCache]: Analyzing trace with hash 1957463697, now seen corresponding path program 1 times [2020-10-25 20:27:20,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:27:20,420 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366140531] [2020-10-25 20:27:20,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:27:20,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:27:20,598 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:27:20,599 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366140531] [2020-10-25 20:27:20,599 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:27:20,599 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:27:20,599 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383598355] [2020-10-25 20:27:20,600 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:27:20,600 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:27:20,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:27:20,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:27:20,601 INFO L87 Difference]: Start difference. First operand 977 states and 1191 transitions. Second operand 3 states. [2020-10-25 20:27:21,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:27:21,561 INFO L93 Difference]: Finished difference Result 2091 states and 2614 transitions. [2020-10-25 20:27:21,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:27:21,562 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 232 [2020-10-25 20:27:21,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:27:21,569 INFO L225 Difference]: With dead ends: 2091 [2020-10-25 20:27:21,570 INFO L226 Difference]: Without dead ends: 1255 [2020-10-25 20:27:21,572 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:27:21,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2020-10-25 20:27:21,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1116. [2020-10-25 20:27:21,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2020-10-25 20:27:21,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1306 transitions. [2020-10-25 20:27:21,606 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1306 transitions. Word has length 232 [2020-10-25 20:27:21,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:27:21,606 INFO L481 AbstractCegarLoop]: Abstraction has 1116 states and 1306 transitions. [2020-10-25 20:27:21,606 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:27:21,607 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1306 transitions. [2020-10-25 20:27:21,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2020-10-25 20:27:21,616 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:27:21,616 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:27:21,616 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-25 20:27:21,616 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:27:21,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:27:21,617 INFO L82 PathProgramCache]: Analyzing trace with hash 1833207659, now seen corresponding path program 1 times [2020-10-25 20:27:21,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:27:21,618 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198508438] [2020-10-25 20:27:21,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:27:21,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:27:21,957 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2020-10-25 20:27:21,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198508438] [2020-10-25 20:27:21,958 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:27:21,958 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:27:21,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309970983] [2020-10-25 20:27:21,959 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:27:21,959 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:27:21,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:27:21,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:27:21,960 INFO L87 Difference]: Start difference. First operand 1116 states and 1306 transitions. Second operand 3 states. [2020-10-25 20:27:22,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:27:22,701 INFO L93 Difference]: Finished difference Result 2228 states and 2614 transitions. [2020-10-25 20:27:22,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:27:22,703 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 342 [2020-10-25 20:27:22,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:27:22,704 INFO L225 Difference]: With dead ends: 2228 [2020-10-25 20:27:22,704 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 20:27:22,707 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:27:22,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 20:27:22,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 20:27:22,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 20:27:22,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 20:27:22,708 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 342 [2020-10-25 20:27:22,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:27:22,709 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 20:27:22,709 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:27:22,709 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 20:27:22,709 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 20:27:22,710 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-25 20:27:22,712 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 20:27:22,861 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 25 [2020-10-25 20:27:22,967 INFO L274 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-10-25 20:27:22,967 INFO L274 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-10-25 20:27:22,967 INFO L274 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-10-25 20:27:22,967 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-25 20:27:22,968 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-25 20:27:22,968 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-25 20:27:22,968 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-25 20:27:22,968 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-25 20:27:22,968 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-25 20:27:22,968 INFO L274 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-10-25 20:27:22,968 INFO L274 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-10-25 20:27:22,968 INFO L274 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-10-25 20:27:22,968 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-25 20:27:22,969 INFO L274 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-10-25 20:27:22,969 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:22,969 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:22,969 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:22,969 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:22,969 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:22,969 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:22,969 INFO L274 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-10-25 20:27:22,970 INFO L274 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-10-25 20:27:22,970 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-25 20:27:22,970 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-25 20:27:22,974 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-25 20:27:22,975 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-25 20:27:22,975 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-25 20:27:22,975 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-25 20:27:22,975 INFO L274 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-10-25 20:27:22,976 INFO L274 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-10-25 20:27:22,976 INFO L274 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-10-25 20:27:22,976 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:22,976 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:22,976 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:22,977 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:22,977 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:22,978 INFO L274 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-10-25 20:27:22,979 INFO L274 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-10-25 20:27:22,979 INFO L274 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-10-25 20:27:22,979 INFO L274 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-10-25 20:27:22,979 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-25 20:27:22,979 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-25 20:27:22,980 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-25 20:27:22,980 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-25 20:27:22,980 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-25 20:27:22,980 INFO L274 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-10-25 20:27:22,980 INFO L274 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-10-25 20:27:22,980 INFO L274 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-10-25 20:27:22,981 INFO L274 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-10-25 20:27:22,981 INFO L274 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-10-25 20:27:22,981 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:22,982 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:22,983 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:22,983 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:22,983 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:22,983 INFO L274 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-10-25 20:27:22,983 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-25 20:27:22,984 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-25 20:27:22,984 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-25 20:27:22,984 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-25 20:27:22,984 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-25 20:27:22,985 INFO L270 CegarLoopResult]: At program point L575(lines 22 576) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0)) (.cse2 (<= ~a19~0 9))) (or (and .cse0 (= ~a10~0 2) .cse1 .cse2) (and .cse0 .cse1 (<= ~a19~0 6)) (and .cse0 (= ~a10~0 0) .cse1) (and (= ~a10~0 1) .cse0 .cse1) (and (<= 8 ~a19~0) .cse0 .cse1 .cse2))) [2020-10-25 20:27:22,985 INFO L274 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-10-25 20:27:22,985 INFO L274 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-10-25 20:27:22,985 INFO L274 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-10-25 20:27:22,985 INFO L274 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-10-25 20:27:22,986 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:22,986 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:22,986 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:22,986 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:22,986 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:22,987 INFO L274 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-10-25 20:27:22,987 INFO L274 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-10-25 20:27:22,987 INFO L274 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-10-25 20:27:22,987 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-25 20:27:22,987 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-25 20:27:22,987 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-25 20:27:22,988 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-25 20:27:22,988 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-25 20:27:22,988 INFO L274 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-10-25 20:27:22,988 INFO L274 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-10-25 20:27:22,988 INFO L277 CegarLoopResult]: At program point L578(lines 578 594) the Hoare annotation is: true [2020-10-25 20:27:22,989 INFO L274 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-10-25 20:27:22,989 INFO L274 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-10-25 20:27:22,989 INFO L274 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-10-25 20:27:22,989 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:22,989 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:22,989 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:22,990 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:22,990 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:22,990 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-25 20:27:22,990 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-25 20:27:22,990 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-25 20:27:22,990 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-25 20:27:22,991 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-25 20:27:22,991 INFO L274 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-10-25 20:27:22,991 INFO L274 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-10-25 20:27:22,991 INFO L274 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-10-25 20:27:22,991 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 20:27:22,991 INFO L274 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-10-25 20:27:22,992 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:22,992 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:22,992 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:22,992 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:22,992 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:22,992 INFO L274 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-10-25 20:27:22,993 INFO L274 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-10-25 20:27:22,993 INFO L274 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-10-25 20:27:22,993 INFO L274 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-10-25 20:27:22,993 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-25 20:27:22,993 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-25 20:27:22,993 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-25 20:27:22,994 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-25 20:27:22,994 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-25 20:27:22,994 INFO L274 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-10-25 20:27:22,994 INFO L274 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-10-25 20:27:22,994 INFO L274 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-10-25 20:27:22,995 INFO L270 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0)) (.cse2 (<= ~a19~0 9))) (or (and .cse0 (= ~a10~0 2) .cse1 .cse2) (and .cse0 .cse1 (<= ~a19~0 6)) (and .cse0 (= ~a10~0 0) .cse1) (and (= ~a10~0 1) .cse0 .cse1) (and (<= 8 ~a19~0) .cse0 .cse1 .cse2))) [2020-10-25 20:27:22,995 INFO L274 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-10-25 20:27:22,995 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:22,995 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:22,995 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:22,996 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:22,996 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-25 20:27:22,996 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:22,996 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:22,996 INFO L274 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-10-25 20:27:22,996 INFO L274 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-10-25 20:27:22,997 INFO L274 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-10-25 20:27:22,997 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-25 20:27:22,997 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-25 20:27:22,997 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-25 20:27:22,997 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-25 20:27:22,997 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-25 20:27:22,998 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-25 20:27:22,998 INFO L274 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-10-25 20:27:22,998 INFO L274 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-10-25 20:27:22,998 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 20:27:22,998 INFO L274 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-10-25 20:27:22,998 INFO L274 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-10-25 20:27:22,999 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:22,999 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:22,999 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:22,999 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:22,999 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:22,999 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:23,000 INFO L274 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-10-25 20:27:23,000 INFO L274 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-10-25 20:27:23,000 INFO L274 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-10-25 20:27:23,000 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-25 20:27:23,000 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-25 20:27:23,000 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-25 20:27:23,001 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-25 20:27:23,001 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-25 20:27:23,001 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-25 20:27:23,001 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-25 20:27:23,001 INFO L274 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-10-25 20:27:23,001 INFO L274 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-10-25 20:27:23,002 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 20:27:23,002 INFO L274 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-10-25 20:27:23,002 INFO L274 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-10-25 20:27:23,002 INFO L274 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-10-25 20:27:23,002 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:23,003 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:23,003 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:23,003 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:23,003 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:23,003 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:23,003 INFO L274 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-10-25 20:27:23,004 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-25 20:27:23,004 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-25 20:27:23,004 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-25 20:27:23,004 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-25 20:27:23,004 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-25 20:27:23,005 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-25 20:27:23,005 INFO L274 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-10-25 20:27:23,005 INFO L274 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-10-25 20:27:23,005 INFO L274 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-10-25 20:27:23,005 INFO L274 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-10-25 20:27:23,005 INFO L274 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-10-25 20:27:23,006 INFO L274 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-10-25 20:27:23,006 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:23,006 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:23,006 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:23,006 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:23,007 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:23,007 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 20:27:23,007 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:23,007 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-25 20:27:23,007 INFO L274 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-10-25 20:27:23,008 INFO L274 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-10-25 20:27:23,008 INFO L274 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-10-25 20:27:23,008 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-25 20:27:23,008 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-25 20:27:23,008 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-25 20:27:23,008 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-25 20:27:23,009 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-25 20:27:23,009 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-25 20:27:23,009 INFO L274 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-10-25 20:27:23,009 INFO L274 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-10-25 20:27:23,009 INFO L274 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-10-25 20:27:23,009 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:23,009 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:23,010 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:23,010 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:23,010 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:23,010 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:23,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 08:27:23 BoogieIcfgContainer [2020-10-25 20:27:23,032 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 20:27:23,033 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 20:27:23,033 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 20:27:23,033 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 20:27:23,034 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:27:11" (3/4) ... [2020-10-25 20:27:23,038 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 20:27:23,060 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-25 20:27:23,061 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-25 20:27:23,062 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 20:27:23,064 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 20:27:23,218 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 20:27:23,218 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 20:27:23,219 INFO L168 Benchmark]: Toolchain (without parser) took 14214.23 ms. Allocated memory was 37.7 MB in the beginning and 224.4 MB in the end (delta: 186.6 MB). Free memory was 22.4 MB in the beginning and 74.9 MB in the end (delta: -52.4 MB). Peak memory consumption was 134.3 MB. Max. memory is 16.1 GB. [2020-10-25 20:27:23,219 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 37.7 MB. Free memory is still 23.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 20:27:23,220 INFO L168 Benchmark]: CACSL2BoogieTranslator took 791.88 ms. Allocated memory was 37.7 MB in the beginning and 46.1 MB in the end (delta: 8.4 MB). Free memory was 21.8 MB in the beginning and 23.7 MB in the end (delta: -1.9 MB). Peak memory consumption was 15.3 MB. Max. memory is 16.1 GB. [2020-10-25 20:27:23,224 INFO L168 Benchmark]: Boogie Procedure Inliner took 123.12 ms. Allocated memory is still 46.1 MB. Free memory was 23.7 MB in the beginning and 25.4 MB in the end (delta: -1.7 MB). Peak memory consumption was 11.3 MB. Max. memory is 16.1 GB. [2020-10-25 20:27:23,225 INFO L168 Benchmark]: Boogie Preprocessor took 157.25 ms. Allocated memory is still 46.1 MB. Free memory was 25.4 MB in the beginning and 20.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 20:27:23,225 INFO L168 Benchmark]: RCFGBuilder took 1619.40 ms. Allocated memory was 46.1 MB in the beginning and 71.3 MB in the end (delta: 25.2 MB). Free memory was 20.1 MB in the beginning and 29.6 MB in the end (delta: -9.5 MB). Peak memory consumption was 19.4 MB. Max. memory is 16.1 GB. [2020-10-25 20:27:23,226 INFO L168 Benchmark]: TraceAbstraction took 11323.39 ms. Allocated memory was 71.3 MB in the beginning and 224.4 MB in the end (delta: 153.1 MB). Free memory was 29.1 MB in the beginning and 89.5 MB in the end (delta: -60.4 MB). Peak memory consumption was 92.5 MB. Max. memory is 16.1 GB. [2020-10-25 20:27:23,226 INFO L168 Benchmark]: Witness Printer took 185.03 ms. Allocated memory is still 224.4 MB. Free memory was 89.5 MB in the beginning and 74.9 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-10-25 20:27:23,230 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 37.7 MB. Free memory is still 23.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 791.88 ms. Allocated memory was 37.7 MB in the beginning and 46.1 MB in the end (delta: 8.4 MB). Free memory was 21.8 MB in the beginning and 23.7 MB in the end (delta: -1.9 MB). Peak memory consumption was 15.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 123.12 ms. Allocated memory is still 46.1 MB. Free memory was 23.7 MB in the beginning and 25.4 MB in the end (delta: -1.7 MB). Peak memory consumption was 11.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 157.25 ms. Allocated memory is still 46.1 MB. Free memory was 25.4 MB in the beginning and 20.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1619.40 ms. Allocated memory was 46.1 MB in the beginning and 71.3 MB in the end (delta: 25.2 MB). Free memory was 20.1 MB in the beginning and 29.6 MB in the end (delta: -9.5 MB). Peak memory consumption was 19.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 11323.39 ms. Allocated memory was 71.3 MB in the beginning and 224.4 MB in the end (delta: 153.1 MB). Free memory was 29.1 MB in the beginning and 89.5 MB in the end (delta: -60.4 MB). Peak memory consumption was 92.5 MB. Max. memory is 16.1 GB. * Witness Printer took 185.03 ms. Allocated memory is still 224.4 MB. Free memory was 89.5 MB in the beginning and 74.9 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 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 && a12 == 0) && a19 <= 6)) || ((14 == a4 && a10 == 0) && a12 == 0)) || ((a10 == 1 && 14 == a4) && 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 && a12 == 0) && a19 <= 6)) || ((14 == a4 && a10 == 0) && a12 == 0)) || ((a10 == 1 && 14 == a4) && 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: 10.9s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 7.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 846 SDtfs, 848 SDslu, 48 SDs, 0 SdLazy, 3243 SolverSat, 519 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 145 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1116occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 417 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 25 NumberOfFragments, 115 HoareAnnotationTreeSize, 3 FomulaSimplifications, 236 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 38 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1435 NumberOfCodeBlocks, 1435 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1426 ConstructedInterpolants, 0 QuantifiedInterpolants, 837865 SizeOfPredicates, 1 NumberOfNonLiveVariables, 212 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 888/890 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...