./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem03_label46.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/Problem03_label46.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 c808068406b0589a26c85a3901316c4ac04c425a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 19:49:39,974 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 19:49:39,977 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 19:49:40,014 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 19:49:40,014 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 19:49:40,016 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 19:49:40,018 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 19:49:40,020 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 19:49:40,023 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 19:49:40,024 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 19:49:40,025 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 19:49:40,027 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 19:49:40,028 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 19:49:40,029 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 19:49:40,031 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 19:49:40,032 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 19:49:40,033 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 19:49:40,035 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 19:49:40,037 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 19:49:40,040 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 19:49:40,042 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 19:49:40,044 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 19:49:40,046 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 19:49:40,047 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 19:49:40,051 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 19:49:40,051 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 19:49:40,052 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 19:49:40,053 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 19:49:40,054 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 19:49:40,055 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 19:49:40,056 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 19:49:40,057 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 19:49:40,058 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 19:49:40,059 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 19:49:40,061 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 19:49:40,061 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 19:49:40,062 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 19:49:40,063 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 19:49:40,063 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 19:49:40,064 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 19:49:40,065 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 19:49:40,071 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 19:49:40,100 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 19:49:40,100 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 19:49:40,102 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 19:49:40,102 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 19:49:40,102 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 19:49:40,103 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 19:49:40,103 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 19:49:40,103 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 19:49:40,103 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 19:49:40,104 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 19:49:40,104 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 19:49:40,104 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 19:49:40,104 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 19:49:40,105 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 19:49:40,105 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 19:49:40,105 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 19:49:40,105 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 19:49:40,106 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 19:49:40,106 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 19:49:40,106 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 19:49:40,106 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 19:49:40,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 19:49:40,107 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 19:49:40,107 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 19:49:40,108 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 19:49:40,108 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 19:49:40,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 19:49:40,108 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 19:49:40,109 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 19:49:40,109 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c808068406b0589a26c85a3901316c4ac04c425a [2020-10-25 19:49:40,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 19:49:40,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 19:49:40,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 19:49:40,536 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 19:49:40,537 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 19:49:40,542 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem03_label46.c [2020-10-25 19:49:40,640 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89ca607e8/2b813b9e9a4c4ed48ffef35b6ee49959/FLAGd3954e94b [2020-10-25 19:49:41,492 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 19:49:41,492 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem03_label46.c [2020-10-25 19:49:41,516 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89ca607e8/2b813b9e9a4c4ed48ffef35b6ee49959/FLAGd3954e94b [2020-10-25 19:49:41,620 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89ca607e8/2b813b9e9a4c4ed48ffef35b6ee49959 [2020-10-25 19:49:41,625 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 19:49:41,632 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 19:49:41,637 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 19:49:41,637 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 19:49:41,641 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 19:49:41,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 07:49:41" (1/1) ... [2020-10-25 19:49:41,645 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5124c872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:49:41, skipping insertion in model container [2020-10-25 19:49:41,645 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 07:49:41" (1/1) ... [2020-10-25 19:49:41,654 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 19:49:41,749 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 19:49:42,672 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 19:49:42,683 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 19:49:42,960 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 19:49:42,986 INFO L208 MainTranslator]: Completed translation [2020-10-25 19:49:42,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:49:42 WrapperNode [2020-10-25 19:49:42,987 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 19:49:42,989 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 19:49:42,989 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 19:49:42,989 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 19:49:42,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:49:42" (1/1) ... [2020-10-25 19:49:43,053 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:49:42" (1/1) ... [2020-10-25 19:49:43,171 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 19:49:43,173 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 19:49:43,174 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 19:49:43,174 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 19:49:43,184 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:49:42" (1/1) ... [2020-10-25 19:49:43,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:49:42" (1/1) ... [2020-10-25 19:49:43,194 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:49:42" (1/1) ... [2020-10-25 19:49:43,194 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:49:42" (1/1) ... [2020-10-25 19:49:43,276 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:49:42" (1/1) ... [2020-10-25 19:49:43,292 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:49:42" (1/1) ... [2020-10-25 19:49:43,305 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:49:42" (1/1) ... [2020-10-25 19:49:43,332 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 19:49:43,333 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 19:49:43,333 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 19:49:43,334 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 19:49:43,336 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:49:42" (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 19:49:43,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 19:49:43,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 19:49:43,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 19:49:43,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 19:49:45,424 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 19:49:45,425 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-25 19:49:45,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:49:45 BoogieIcfgContainer [2020-10-25 19:49:45,427 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 19:49:45,429 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 19:49:45,429 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 19:49:45,433 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 19:49:45,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 07:49:41" (1/3) ... [2020-10-25 19:49:45,434 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73b73f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 07:49:45, skipping insertion in model container [2020-10-25 19:49:45,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 07:49:42" (2/3) ... [2020-10-25 19:49:45,434 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73b73f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 07:49:45, skipping insertion in model container [2020-10-25 19:49:45,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:49:45" (3/3) ... [2020-10-25 19:49:45,436 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label46.c [2020-10-25 19:49:45,448 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 19:49:45,454 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 19:49:45,466 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 19:49:45,496 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 19:49:45,496 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 19:49:45,496 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 19:49:45,496 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 19:49:45,497 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 19:49:45,497 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 19:49:45,497 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 19:49:45,497 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 19:49:45,518 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states. [2020-10-25 19:49:45,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-10-25 19:49:45,535 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:49:45,536 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:49:45,536 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:49:45,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:49:45,543 INFO L82 PathProgramCache]: Analyzing trace with hash -1730728613, now seen corresponding path program 1 times [2020-10-25 19:49:45,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:49:45,553 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319405396] [2020-10-25 19:49:45,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:49:45,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:49:46,372 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 19:49:46,373 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319405396] [2020-10-25 19:49:46,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:49:46,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 19:49:46,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903766127] [2020-10-25 19:49:46,382 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:49:46,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:49:46,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:49:46,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:49:46,406 INFO L87 Difference]: Start difference. First operand 303 states. Second operand 3 states. [2020-10-25 19:49:47,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:49:47,978 INFO L93 Difference]: Finished difference Result 856 states and 1497 transitions. [2020-10-25 19:49:47,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:49:47,981 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 185 [2020-10-25 19:49:47,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:49:48,001 INFO L225 Difference]: With dead ends: 856 [2020-10-25 19:49:48,001 INFO L226 Difference]: Without dead ends: 460 [2020-10-25 19:49:48,007 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 19:49:48,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2020-10-25 19:49:48,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 459. [2020-10-25 19:49:48,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 459 states. [2020-10-25 19:49:48,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 710 transitions. [2020-10-25 19:49:48,107 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 710 transitions. Word has length 185 [2020-10-25 19:49:48,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:49:48,108 INFO L481 AbstractCegarLoop]: Abstraction has 459 states and 710 transitions. [2020-10-25 19:49:48,109 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:49:48,109 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 710 transitions. [2020-10-25 19:49:48,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-10-25 19:49:48,115 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:49:48,115 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:49:48,115 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 19:49:48,116 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:49:48,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:49:48,117 INFO L82 PathProgramCache]: Analyzing trace with hash -2082065335, now seen corresponding path program 1 times [2020-10-25 19:49:48,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:49:48,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104986907] [2020-10-25 19:49:48,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:49:48,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:49:48,263 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 19:49:48,264 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104986907] [2020-10-25 19:49:48,264 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:49:48,264 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 19:49:48,264 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033311282] [2020-10-25 19:49:48,267 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:49:48,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:49:48,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:49:48,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:49:48,270 INFO L87 Difference]: Start difference. First operand 459 states and 710 transitions. Second operand 3 states. [2020-10-25 19:49:49,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:49:49,664 INFO L93 Difference]: Finished difference Result 1342 states and 2082 transitions. [2020-10-25 19:49:49,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:49:49,665 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 190 [2020-10-25 19:49:49,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:49:49,672 INFO L225 Difference]: With dead ends: 1342 [2020-10-25 19:49:49,672 INFO L226 Difference]: Without dead ends: 885 [2020-10-25 19:49:49,675 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 19:49:49,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 885 states. [2020-10-25 19:49:49,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 885 to 880. [2020-10-25 19:49:49,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 880 states. [2020-10-25 19:49:49,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 1291 transitions. [2020-10-25 19:49:49,722 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 1291 transitions. Word has length 190 [2020-10-25 19:49:49,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:49:49,722 INFO L481 AbstractCegarLoop]: Abstraction has 880 states and 1291 transitions. [2020-10-25 19:49:49,723 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:49:49,723 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1291 transitions. [2020-10-25 19:49:49,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-10-25 19:49:49,729 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:49:49,730 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:49:49,730 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 19:49:49,730 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:49:49,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:49:49,731 INFO L82 PathProgramCache]: Analyzing trace with hash 371071578, now seen corresponding path program 1 times [2020-10-25 19:49:49,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:49:49,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159395760] [2020-10-25 19:49:49,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:49:49,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:49:49,858 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 19:49:49,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159395760] [2020-10-25 19:49:49,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:49:49,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 19:49:49,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255493852] [2020-10-25 19:49:49,862 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:49:49,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:49:49,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:49:49,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:49:49,875 INFO L87 Difference]: Start difference. First operand 880 states and 1291 transitions. Second operand 3 states. [2020-10-25 19:49:51,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:49:51,357 INFO L93 Difference]: Finished difference Result 2594 states and 3822 transitions. [2020-10-25 19:49:51,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:49:51,358 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 193 [2020-10-25 19:49:51,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:49:51,368 INFO L225 Difference]: With dead ends: 2594 [2020-10-25 19:49:51,368 INFO L226 Difference]: Without dead ends: 1716 [2020-10-25 19:49:51,372 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 19:49:51,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1716 states. [2020-10-25 19:49:51,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1716 to 1696. [2020-10-25 19:49:51,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1696 states. [2020-10-25 19:49:51,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1696 states to 1696 states and 2438 transitions. [2020-10-25 19:49:51,434 INFO L78 Accepts]: Start accepts. Automaton has 1696 states and 2438 transitions. Word has length 193 [2020-10-25 19:49:51,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:49:51,435 INFO L481 AbstractCegarLoop]: Abstraction has 1696 states and 2438 transitions. [2020-10-25 19:49:51,435 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:49:51,436 INFO L276 IsEmpty]: Start isEmpty. Operand 1696 states and 2438 transitions. [2020-10-25 19:49:51,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-10-25 19:49:51,442 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:49:51,443 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:49:51,443 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 19:49:51,443 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:49:51,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:49:51,447 INFO L82 PathProgramCache]: Analyzing trace with hash -1665589225, now seen corresponding path program 1 times [2020-10-25 19:49:51,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:49:51,448 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915301670] [2020-10-25 19:49:51,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:49:51,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:49:51,651 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-25 19:49:51,652 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915301670] [2020-10-25 19:49:51,652 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:49:51,652 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:49:51,653 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794625061] [2020-10-25 19:49:51,653 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:49:51,653 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:49:51,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:49:51,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:49:51,654 INFO L87 Difference]: Start difference. First operand 1696 states and 2438 transitions. Second operand 3 states. [2020-10-25 19:49:52,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:49:52,851 INFO L93 Difference]: Finished difference Result 3384 states and 4865 transitions. [2020-10-25 19:49:52,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:49:52,854 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 205 [2020-10-25 19:49:52,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:49:52,863 INFO L225 Difference]: With dead ends: 3384 [2020-10-25 19:49:52,863 INFO L226 Difference]: Without dead ends: 1690 [2020-10-25 19:49:52,866 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 19:49:52,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1690 states. [2020-10-25 19:49:52,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1690 to 1689. [2020-10-25 19:49:52,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1689 states. [2020-10-25 19:49:52,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1689 states to 1689 states and 2247 transitions. [2020-10-25 19:49:52,905 INFO L78 Accepts]: Start accepts. Automaton has 1689 states and 2247 transitions. Word has length 205 [2020-10-25 19:49:52,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:49:52,906 INFO L481 AbstractCegarLoop]: Abstraction has 1689 states and 2247 transitions. [2020-10-25 19:49:52,907 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:49:52,907 INFO L276 IsEmpty]: Start isEmpty. Operand 1689 states and 2247 transitions. [2020-10-25 19:49:52,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-10-25 19:49:52,912 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:49:52,912 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:49:52,913 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 19:49:52,913 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:49:52,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:49:52,914 INFO L82 PathProgramCache]: Analyzing trace with hash 34364197, now seen corresponding path program 1 times [2020-10-25 19:49:52,915 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:49:52,915 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790698752] [2020-10-25 19:49:52,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:49:52,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:49:53,039 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-25 19:49:53,039 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790698752] [2020-10-25 19:49:53,040 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:49:53,040 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:49:53,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429891347] [2020-10-25 19:49:53,041 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:49:53,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:49:53,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:49:53,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:49:53,043 INFO L87 Difference]: Start difference. First operand 1689 states and 2247 transitions. Second operand 3 states. [2020-10-25 19:49:54,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:49:54,396 INFO L93 Difference]: Finished difference Result 5003 states and 6659 transitions. [2020-10-25 19:49:54,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:49:54,396 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 211 [2020-10-25 19:49:54,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:49:54,412 INFO L225 Difference]: With dead ends: 5003 [2020-10-25 19:49:54,412 INFO L226 Difference]: Without dead ends: 3316 [2020-10-25 19:49:54,415 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 19:49:54,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3316 states. [2020-10-25 19:49:54,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3316 to 3313. [2020-10-25 19:49:54,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3313 states. [2020-10-25 19:49:54,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3313 states to 3313 states and 4059 transitions. [2020-10-25 19:49:54,483 INFO L78 Accepts]: Start accepts. Automaton has 3313 states and 4059 transitions. Word has length 211 [2020-10-25 19:49:54,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:49:54,483 INFO L481 AbstractCegarLoop]: Abstraction has 3313 states and 4059 transitions. [2020-10-25 19:49:54,484 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:49:54,484 INFO L276 IsEmpty]: Start isEmpty. Operand 3313 states and 4059 transitions. [2020-10-25 19:49:54,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-10-25 19:49:54,491 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:49:54,492 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:49:54,492 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 19:49:54,492 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:49:54,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:49:54,493 INFO L82 PathProgramCache]: Analyzing trace with hash -1512504601, now seen corresponding path program 1 times [2020-10-25 19:49:54,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:49:54,493 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089110682] [2020-10-25 19:49:54,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:49:54,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:49:54,610 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-25 19:49:54,610 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089110682] [2020-10-25 19:49:54,611 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:49:54,611 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 19:49:54,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31221851] [2020-10-25 19:49:54,612 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:49:54,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:49:54,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:49:54,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:49:54,613 INFO L87 Difference]: Start difference. First operand 3313 states and 4059 transitions. Second operand 3 states. [2020-10-25 19:49:55,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:49:55,299 INFO L93 Difference]: Finished difference Result 6592 states and 8073 transitions. [2020-10-25 19:49:55,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:49:55,299 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 220 [2020-10-25 19:49:55,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:49:55,316 INFO L225 Difference]: With dead ends: 6592 [2020-10-25 19:49:55,316 INFO L226 Difference]: Without dead ends: 3281 [2020-10-25 19:49:55,321 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 19:49:55,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3281 states. [2020-10-25 19:49:55,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3281 to 3281. [2020-10-25 19:49:55,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3281 states. [2020-10-25 19:49:55,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3281 states to 3281 states and 3924 transitions. [2020-10-25 19:49:55,404 INFO L78 Accepts]: Start accepts. Automaton has 3281 states and 3924 transitions. Word has length 220 [2020-10-25 19:49:55,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:49:55,405 INFO L481 AbstractCegarLoop]: Abstraction has 3281 states and 3924 transitions. [2020-10-25 19:49:55,405 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:49:55,405 INFO L276 IsEmpty]: Start isEmpty. Operand 3281 states and 3924 transitions. [2020-10-25 19:49:55,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-10-25 19:49:55,413 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:49:55,413 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:49:55,413 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-25 19:49:55,413 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:49:55,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:49:55,414 INFO L82 PathProgramCache]: Analyzing trace with hash 624868714, now seen corresponding path program 1 times [2020-10-25 19:49:55,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:49:55,415 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523393756] [2020-10-25 19:49:55,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:49:55,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:49:55,563 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 19:49:55,564 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523393756] [2020-10-25 19:49:55,564 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:49:55,564 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 19:49:55,564 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632844301] [2020-10-25 19:49:55,565 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:49:55,565 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:49:55,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:49:55,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:49:55,566 INFO L87 Difference]: Start difference. First operand 3281 states and 3924 transitions. Second operand 3 states. [2020-10-25 19:49:56,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:49:56,764 INFO L93 Difference]: Finished difference Result 8194 states and 9781 transitions. [2020-10-25 19:49:56,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:49:56,765 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 226 [2020-10-25 19:49:56,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:49:56,786 INFO L225 Difference]: With dead ends: 8194 [2020-10-25 19:49:56,786 INFO L226 Difference]: Without dead ends: 4915 [2020-10-25 19:49:56,792 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 19:49:56,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4915 states. [2020-10-25 19:49:56,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4915 to 4914. [2020-10-25 19:49:56,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4914 states. [2020-10-25 19:49:56,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4914 states to 4914 states and 5809 transitions. [2020-10-25 19:49:56,904 INFO L78 Accepts]: Start accepts. Automaton has 4914 states and 5809 transitions. Word has length 226 [2020-10-25 19:49:56,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:49:56,904 INFO L481 AbstractCegarLoop]: Abstraction has 4914 states and 5809 transitions. [2020-10-25 19:49:56,905 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:49:56,905 INFO L276 IsEmpty]: Start isEmpty. Operand 4914 states and 5809 transitions. [2020-10-25 19:49:56,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-10-25 19:49:56,920 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:49:56,920 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:49:56,920 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-25 19:49:56,921 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:49:56,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:49:56,922 INFO L82 PathProgramCache]: Analyzing trace with hash 1429346647, now seen corresponding path program 1 times [2020-10-25 19:49:56,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:49:56,923 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930814451] [2020-10-25 19:49:56,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:49:56,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:49:57,113 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 19:49:57,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930814451] [2020-10-25 19:49:57,114 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:49:57,115 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:49:57,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504788435] [2020-10-25 19:49:57,116 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 19:49:57,116 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:49:57,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 19:49:57,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-25 19:49:57,117 INFO L87 Difference]: Start difference. First operand 4914 states and 5809 transitions. Second operand 4 states. [2020-10-25 19:49:58,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:49:58,837 INFO L93 Difference]: Finished difference Result 13277 states and 16095 transitions. [2020-10-25 19:49:58,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 19:49:58,837 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 233 [2020-10-25 19:49:58,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:49:58,873 INFO L225 Difference]: With dead ends: 13277 [2020-10-25 19:49:58,873 INFO L226 Difference]: Without dead ends: 8365 [2020-10-25 19:49:58,882 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-25 19:49:58,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8365 states. [2020-10-25 19:49:59,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8365 to 7756. [2020-10-25 19:49:59,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7756 states. [2020-10-25 19:49:59,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7756 states to 7756 states and 8903 transitions. [2020-10-25 19:49:59,076 INFO L78 Accepts]: Start accepts. Automaton has 7756 states and 8903 transitions. Word has length 233 [2020-10-25 19:49:59,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:49:59,076 INFO L481 AbstractCegarLoop]: Abstraction has 7756 states and 8903 transitions. [2020-10-25 19:49:59,076 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 19:49:59,077 INFO L276 IsEmpty]: Start isEmpty. Operand 7756 states and 8903 transitions. [2020-10-25 19:49:59,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2020-10-25 19:49:59,092 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:49:59,093 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:49:59,093 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-25 19:49:59,093 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:49:59,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:49:59,094 INFO L82 PathProgramCache]: Analyzing trace with hash 626324927, now seen corresponding path program 1 times [2020-10-25 19:49:59,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:49:59,095 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086518266] [2020-10-25 19:49:59,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:49:59,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:49:59,252 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 68 proven. 6 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-10-25 19:49:59,253 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086518266] [2020-10-25 19:49:59,253 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [464040417] [2020-10-25 19:49:59,254 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 19:49:59,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:49:59,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-25 19:49:59,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 19:49:59,863 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-25 19:49:59,865 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 19:49:59,865 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-25 19:49:59,866 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191602296] [2020-10-25 19:49:59,867 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:49:59,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:49:59,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:49:59,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 19:49:59,868 INFO L87 Difference]: Start difference. First operand 7756 states and 8903 transitions. Second operand 3 states. [2020-10-25 19:50:01,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:50:01,064 INFO L93 Difference]: Finished difference Result 14697 states and 16869 transitions. [2020-10-25 19:50:01,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:50:01,065 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 261 [2020-10-25 19:50:01,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:50:01,095 INFO L225 Difference]: With dead ends: 14697 [2020-10-25 19:50:01,096 INFO L226 Difference]: Without dead ends: 6943 [2020-10-25 19:50:01,107 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 19:50:01,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6943 states. [2020-10-25 19:50:01,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6943 to 6940. [2020-10-25 19:50:01,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6940 states. [2020-10-25 19:50:01,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6940 states to 6940 states and 7763 transitions. [2020-10-25 19:50:01,221 INFO L78 Accepts]: Start accepts. Automaton has 6940 states and 7763 transitions. Word has length 261 [2020-10-25 19:50:01,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:50:01,222 INFO L481 AbstractCegarLoop]: Abstraction has 6940 states and 7763 transitions. [2020-10-25 19:50:01,222 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:50:01,222 INFO L276 IsEmpty]: Start isEmpty. Operand 6940 states and 7763 transitions. [2020-10-25 19:50:01,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2020-10-25 19:50:01,237 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:50:01,238 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:50:01,451 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-10-25 19:50:01,452 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:50:01,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:50:01,454 INFO L82 PathProgramCache]: Analyzing trace with hash 276701140, now seen corresponding path program 1 times [2020-10-25 19:50:01,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:50:01,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193790819] [2020-10-25 19:50:01,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:50:01,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:50:01,689 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-25 19:50:01,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193790819] [2020-10-25 19:50:01,690 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:50:01,690 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 19:50:01,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603966770] [2020-10-25 19:50:01,691 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:50:01,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:50:01,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:50:01,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:50:01,692 INFO L87 Difference]: Start difference. First operand 6940 states and 7763 transitions. Second operand 3 states. [2020-10-25 19:50:02,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:50:02,969 INFO L93 Difference]: Finished difference Result 18355 states and 20517 transitions. [2020-10-25 19:50:02,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:50:02,970 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 280 [2020-10-25 19:50:02,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:50:03,008 INFO L225 Difference]: With dead ends: 18355 [2020-10-25 19:50:03,009 INFO L226 Difference]: Without dead ends: 11417 [2020-10-25 19:50:03,022 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 19:50:03,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11417 states. [2020-10-25 19:50:03,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11417 to 8564. [2020-10-25 19:50:03,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8564 states. [2020-10-25 19:50:03,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8564 states to 8564 states and 9609 transitions. [2020-10-25 19:50:03,173 INFO L78 Accepts]: Start accepts. Automaton has 8564 states and 9609 transitions. Word has length 280 [2020-10-25 19:50:03,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:50:03,174 INFO L481 AbstractCegarLoop]: Abstraction has 8564 states and 9609 transitions. [2020-10-25 19:50:03,174 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:50:03,174 INFO L276 IsEmpty]: Start isEmpty. Operand 8564 states and 9609 transitions. [2020-10-25 19:50:03,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-10-25 19:50:03,237 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:50:03,238 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-25 19:50:03,238 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-25 19:50:03,238 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:50:03,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:50:03,239 INFO L82 PathProgramCache]: Analyzing trace with hash 1697962629, now seen corresponding path program 1 times [2020-10-25 19:50:03,239 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:50:03,240 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194760654] [2020-10-25 19:50:03,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:50:03,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:50:03,790 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 148 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-25 19:50:03,791 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194760654] [2020-10-25 19:50:03,791 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [917986301] [2020-10-25 19:50:03,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 19:50:04,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:50:04,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 599 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-25 19:50:04,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 19:50:04,182 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-25 19:50:04,182 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 19:50:04,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-10-25 19:50:04,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599239343] [2020-10-25 19:50:04,184 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:50:04,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:50:04,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:50:04,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 19:50:04,185 INFO L87 Difference]: Start difference. First operand 8564 states and 9609 transitions. Second operand 3 states. [2020-10-25 19:50:04,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:50:04,765 INFO L93 Difference]: Finished difference Result 23026 states and 25866 transitions. [2020-10-25 19:50:04,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:50:04,765 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 336 [2020-10-25 19:50:04,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:50:04,793 INFO L225 Difference]: With dead ends: 23026 [2020-10-25 19:50:04,793 INFO L226 Difference]: Without dead ends: 14667 [2020-10-25 19:50:04,807 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 335 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 19:50:04,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14667 states. [2020-10-25 19:50:05,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14667 to 14665. [2020-10-25 19:50:05,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14665 states. [2020-10-25 19:50:05,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14665 states to 14665 states and 16471 transitions. [2020-10-25 19:50:05,110 INFO L78 Accepts]: Start accepts. Automaton has 14665 states and 16471 transitions. Word has length 336 [2020-10-25 19:50:05,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:50:05,110 INFO L481 AbstractCegarLoop]: Abstraction has 14665 states and 16471 transitions. [2020-10-25 19:50:05,111 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:50:05,114 INFO L276 IsEmpty]: Start isEmpty. Operand 14665 states and 16471 transitions. [2020-10-25 19:50:05,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-10-25 19:50:05,141 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:50:05,143 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:50:05,356 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 19:50:05,357 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:50:05,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:50:05,359 INFO L82 PathProgramCache]: Analyzing trace with hash -1448192405, now seen corresponding path program 1 times [2020-10-25 19:50:05,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:50:05,359 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935296906] [2020-10-25 19:50:05,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:50:05,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:50:05,750 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 19:50:05,750 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935296906] [2020-10-25 19:50:05,750 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:50:05,751 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:50:05,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447312943] [2020-10-25 19:50:05,752 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 19:50:05,752 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:50:05,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 19:50:05,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-25 19:50:05,753 INFO L87 Difference]: Start difference. First operand 14665 states and 16471 transitions. Second operand 4 states. [2020-10-25 19:50:07,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:50:07,629 INFO L93 Difference]: Finished difference Result 32179 states and 36016 transitions. [2020-10-25 19:50:07,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 19:50:07,629 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 336 [2020-10-25 19:50:07,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:50:07,663 INFO L225 Difference]: With dead ends: 32179 [2020-10-25 19:50:07,663 INFO L226 Difference]: Without dead ends: 17718 [2020-10-25 19:50:07,679 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-25 19:50:07,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17718 states. [2020-10-25 19:50:07,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17718 to 17710. [2020-10-25 19:50:07,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17710 states. [2020-10-25 19:50:07,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17710 states to 17710 states and 19679 transitions. [2020-10-25 19:50:07,914 INFO L78 Accepts]: Start accepts. Automaton has 17710 states and 19679 transitions. Word has length 336 [2020-10-25 19:50:07,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:50:07,915 INFO L481 AbstractCegarLoop]: Abstraction has 17710 states and 19679 transitions. [2020-10-25 19:50:07,915 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 19:50:07,915 INFO L276 IsEmpty]: Start isEmpty. Operand 17710 states and 19679 transitions. [2020-10-25 19:50:07,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2020-10-25 19:50:07,947 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:50:07,948 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 19:50:07,948 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-25 19:50:07,948 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:50:07,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:50:07,949 INFO L82 PathProgramCache]: Analyzing trace with hash 1050072889, now seen corresponding path program 1 times [2020-10-25 19:50:07,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:50:07,950 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484975448] [2020-10-25 19:50:07,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:50:08,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:50:08,176 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-10-25 19:50:08,177 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484975448] [2020-10-25 19:50:08,177 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:50:08,177 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 19:50:08,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968850399] [2020-10-25 19:50:08,178 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 19:50:08,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:50:08,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 19:50:08,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-25 19:50:08,180 INFO L87 Difference]: Start difference. First operand 17710 states and 19679 transitions. Second operand 4 states. [2020-10-25 19:50:10,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:50:10,260 INFO L93 Difference]: Finished difference Result 42540 states and 47088 transitions. [2020-10-25 19:50:10,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 19:50:10,260 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 342 [2020-10-25 19:50:10,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:50:10,304 INFO L225 Difference]: With dead ends: 42540 [2020-10-25 19:50:10,305 INFO L226 Difference]: Without dead ends: 25035 [2020-10-25 19:50:10,326 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-25 19:50:10,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25035 states. [2020-10-25 19:50:10,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25035 to 24418. [2020-10-25 19:50:10,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24418 states. [2020-10-25 19:50:10,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24418 states to 24418 states and 26759 transitions. [2020-10-25 19:50:10,859 INFO L78 Accepts]: Start accepts. Automaton has 24418 states and 26759 transitions. Word has length 342 [2020-10-25 19:50:10,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:50:10,859 INFO L481 AbstractCegarLoop]: Abstraction has 24418 states and 26759 transitions. [2020-10-25 19:50:10,860 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 19:50:10,860 INFO L276 IsEmpty]: Start isEmpty. Operand 24418 states and 26759 transitions. [2020-10-25 19:50:10,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2020-10-25 19:50:10,889 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:50:10,890 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:50:10,890 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-25 19:50:10,891 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:50:10,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:50:10,892 INFO L82 PathProgramCache]: Analyzing trace with hash -1771748592, now seen corresponding path program 1 times [2020-10-25 19:50:10,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:50:10,893 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526903151] [2020-10-25 19:50:10,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:50:11,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:50:11,394 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2020-10-25 19:50:11,394 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526903151] [2020-10-25 19:50:11,394 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 19:50:11,395 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 19:50:11,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104975739] [2020-10-25 19:50:11,398 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:50:11,398 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:50:11,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:50:11,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 19:50:11,399 INFO L87 Difference]: Start difference. First operand 24418 states and 26759 transitions. Second operand 3 states. [2020-10-25 19:50:12,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:50:12,547 INFO L93 Difference]: Finished difference Result 50257 states and 55004 transitions. [2020-10-25 19:50:12,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:50:12,548 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 355 [2020-10-25 19:50:12,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:50:12,596 INFO L225 Difference]: With dead ends: 50257 [2020-10-25 19:50:12,597 INFO L226 Difference]: Without dead ends: 26044 [2020-10-25 19:50:12,619 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 19:50:12,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26044 states. [2020-10-25 19:50:13,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26044 to 26042. [2020-10-25 19:50:13,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26042 states. [2020-10-25 19:50:13,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26042 states to 26042 states and 28456 transitions. [2020-10-25 19:50:13,082 INFO L78 Accepts]: Start accepts. Automaton has 26042 states and 28456 transitions. Word has length 355 [2020-10-25 19:50:13,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:50:13,082 INFO L481 AbstractCegarLoop]: Abstraction has 26042 states and 28456 transitions. [2020-10-25 19:50:13,083 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:50:13,083 INFO L276 IsEmpty]: Start isEmpty. Operand 26042 states and 28456 transitions. [2020-10-25 19:50:13,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2020-10-25 19:50:13,108 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:50:13,109 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:50:13,109 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-25 19:50:13,109 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:50:13,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:50:13,110 INFO L82 PathProgramCache]: Analyzing trace with hash -1068550973, now seen corresponding path program 1 times [2020-10-25 19:50:13,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:50:13,111 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447432312] [2020-10-25 19:50:13,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:50:13,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:50:13,325 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2020-10-25 19:50:13,437 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 127 proven. 6 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2020-10-25 19:50:13,437 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447432312] [2020-10-25 19:50:13,438 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [73636753] [2020-10-25 19:50:13,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 19:50:13,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:50:13,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 688 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 19:50:13,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 19:50:13,985 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 261 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-25 19:50:13,986 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 19:50:13,987 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-25 19:50:13,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099536489] [2020-10-25 19:50:13,989 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:50:13,989 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:50:13,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:50:13,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 19:50:13,990 INFO L87 Difference]: Start difference. First operand 26042 states and 28456 transitions. Second operand 3 states. [2020-10-25 19:50:15,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:50:15,388 INFO L93 Difference]: Finished difference Result 59208 states and 64996 transitions. [2020-10-25 19:50:15,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:50:15,389 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 362 [2020-10-25 19:50:15,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:50:15,449 INFO L225 Difference]: With dead ends: 59208 [2020-10-25 19:50:15,449 INFO L226 Difference]: Without dead ends: 34995 [2020-10-25 19:50:15,468 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 361 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 19:50:15,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34995 states. [2020-10-25 19:50:15,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34995 to 28074. [2020-10-25 19:50:15,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28074 states. [2020-10-25 19:50:16,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28074 states to 28074 states and 30904 transitions. [2020-10-25 19:50:16,042 INFO L78 Accepts]: Start accepts. Automaton has 28074 states and 30904 transitions. Word has length 362 [2020-10-25 19:50:16,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:50:16,042 INFO L481 AbstractCegarLoop]: Abstraction has 28074 states and 30904 transitions. [2020-10-25 19:50:16,043 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:50:16,043 INFO L276 IsEmpty]: Start isEmpty. Operand 28074 states and 30904 transitions. [2020-10-25 19:50:16,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2020-10-25 19:50:16,067 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:50:16,068 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:50:16,282 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-10-25 19:50:16,282 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:50:16,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:50:16,284 INFO L82 PathProgramCache]: Analyzing trace with hash 1024005253, now seen corresponding path program 1 times [2020-10-25 19:50:16,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:50:16,285 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416999169] [2020-10-25 19:50:16,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:50:16,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:50:16,644 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 102 proven. 6 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2020-10-25 19:50:16,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416999169] [2020-10-25 19:50:16,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [620093631] [2020-10-25 19:50:16,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 19:50:16,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:50:16,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 653 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 19:50:16,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 19:50:17,089 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2020-10-25 19:50:17,090 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 19:50:17,090 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-25 19:50:17,091 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998965525] [2020-10-25 19:50:17,092 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:50:17,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:50:17,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:50:17,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 19:50:17,093 INFO L87 Difference]: Start difference. First operand 28074 states and 30904 transitions. Second operand 3 states. [2020-10-25 19:50:18,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:50:18,228 INFO L93 Difference]: Finished difference Result 54322 states and 59893 transitions. [2020-10-25 19:50:18,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:50:18,229 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 369 [2020-10-25 19:50:18,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:50:18,277 INFO L225 Difference]: With dead ends: 54322 [2020-10-25 19:50:18,278 INFO L226 Difference]: Without dead ends: 28077 [2020-10-25 19:50:18,297 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 368 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 19:50:18,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28077 states. [2020-10-25 19:50:18,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28077 to 27465. [2020-10-25 19:50:18,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27465 states. [2020-10-25 19:50:18,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27465 states to 27465 states and 30077 transitions. [2020-10-25 19:50:18,765 INFO L78 Accepts]: Start accepts. Automaton has 27465 states and 30077 transitions. Word has length 369 [2020-10-25 19:50:18,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:50:18,766 INFO L481 AbstractCegarLoop]: Abstraction has 27465 states and 30077 transitions. [2020-10-25 19:50:18,766 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:50:18,766 INFO L276 IsEmpty]: Start isEmpty. Operand 27465 states and 30077 transitions. [2020-10-25 19:50:18,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 496 [2020-10-25 19:50:18,805 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:50:18,806 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-25 19:50:19,019 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 19:50:19,020 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:50:19,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:50:19,022 INFO L82 PathProgramCache]: Analyzing trace with hash -1591995124, now seen corresponding path program 1 times [2020-10-25 19:50:19,022 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:50:19,023 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7092540] [2020-10-25 19:50:19,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:50:19,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:50:19,395 INFO L134 CoverageAnalysis]: Checked inductivity of 611 backedges. 148 proven. 6 refuted. 0 times theorem prover too weak. 457 trivial. 0 not checked. [2020-10-25 19:50:19,395 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7092540] [2020-10-25 19:50:19,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [259680047] [2020-10-25 19:50:19,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 19:50:19,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:50:19,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 831 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 19:50:19,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 19:50:19,947 INFO L134 CoverageAnalysis]: Checked inductivity of 611 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2020-10-25 19:50:19,948 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 19:50:19,948 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-25 19:50:19,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871425649] [2020-10-25 19:50:19,949 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:50:19,949 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:50:19,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:50:19,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 19:50:19,950 INFO L87 Difference]: Start difference. First operand 27465 states and 30077 transitions. Second operand 3 states. [2020-10-25 19:50:21,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:50:21,285 INFO L93 Difference]: Finished difference Result 54124 states and 59274 transitions. [2020-10-25 19:50:21,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:50:21,286 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 495 [2020-10-25 19:50:21,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:50:21,330 INFO L225 Difference]: With dead ends: 54124 [2020-10-25 19:50:21,330 INFO L226 Difference]: Without dead ends: 27067 [2020-10-25 19:50:21,348 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 497 GetRequests, 494 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 19:50:21,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27067 states. [2020-10-25 19:50:21,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27067 to 26653. [2020-10-25 19:50:21,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26653 states. [2020-10-25 19:50:21,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26653 states to 26653 states and 29018 transitions. [2020-10-25 19:50:21,822 INFO L78 Accepts]: Start accepts. Automaton has 26653 states and 29018 transitions. Word has length 495 [2020-10-25 19:50:21,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:50:21,823 INFO L481 AbstractCegarLoop]: Abstraction has 26653 states and 29018 transitions. [2020-10-25 19:50:21,823 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:50:21,823 INFO L276 IsEmpty]: Start isEmpty. Operand 26653 states and 29018 transitions. [2020-10-25 19:50:21,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 512 [2020-10-25 19:50:21,869 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:50:21,870 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-25 19:50:22,083 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-10-25 19:50:22,084 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:50:22,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:50:22,085 INFO L82 PathProgramCache]: Analyzing trace with hash 48332077, now seen corresponding path program 1 times [2020-10-25 19:50:22,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:50:22,086 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732015966] [2020-10-25 19:50:22,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:50:22,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:50:22,441 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 175 proven. 6 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2020-10-25 19:50:22,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732015966] [2020-10-25 19:50:22,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1837759666] [2020-10-25 19:50:22,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 19:50:22,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:50:22,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 926 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-25 19:50:22,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 19:50:23,085 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 463 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2020-10-25 19:50:23,086 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 19:50:23,086 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-25 19:50:23,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749517411] [2020-10-25 19:50:23,087 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:50:23,088 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:50:23,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:50:23,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 19:50:23,089 INFO L87 Difference]: Start difference. First operand 26653 states and 29018 transitions. Second operand 3 states. [2020-10-25 19:50:24,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:50:24,533 INFO L93 Difference]: Finished difference Result 55962 states and 61033 transitions. [2020-10-25 19:50:24,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:50:24,534 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 511 [2020-10-25 19:50:24,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:50:24,574 INFO L225 Difference]: With dead ends: 55962 [2020-10-25 19:50:24,574 INFO L226 Difference]: Without dead ends: 29717 [2020-10-25 19:50:24,596 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 513 GetRequests, 510 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 19:50:24,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29717 states. [2020-10-25 19:50:25,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29717 to 29714. [2020-10-25 19:50:25,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29714 states. [2020-10-25 19:50:25,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29714 states to 29714 states and 32117 transitions. [2020-10-25 19:50:25,162 INFO L78 Accepts]: Start accepts. Automaton has 29714 states and 32117 transitions. Word has length 511 [2020-10-25 19:50:25,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:50:25,163 INFO L481 AbstractCegarLoop]: Abstraction has 29714 states and 32117 transitions. [2020-10-25 19:50:25,163 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:50:25,163 INFO L276 IsEmpty]: Start isEmpty. Operand 29714 states and 32117 transitions. [2020-10-25 19:50:25,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 548 [2020-10-25 19:50:25,197 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 19:50:25,198 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:50:25,412 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2020-10-25 19:50:25,413 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 19:50:25,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 19:50:25,415 INFO L82 PathProgramCache]: Analyzing trace with hash -1311666016, now seen corresponding path program 1 times [2020-10-25 19:50:25,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 19:50:25,416 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141802397] [2020-10-25 19:50:25,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 19:50:25,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:50:25,785 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 185 proven. 6 refuted. 0 times theorem prover too weak. 654 trivial. 0 not checked. [2020-10-25 19:50:25,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141802397] [2020-10-25 19:50:25,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1153249425] [2020-10-25 19:50:25,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 19:50:26,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 19:50:26,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 936 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-25 19:50:26,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 19:50:26,397 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 590 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2020-10-25 19:50:26,397 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 19:50:26,397 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-25 19:50:26,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830947073] [2020-10-25 19:50:26,398 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 19:50:26,398 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 19:50:26,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 19:50:26,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 19:50:26,399 INFO L87 Difference]: Start difference. First operand 29714 states and 32117 transitions. Second operand 3 states. [2020-10-25 19:50:27,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 19:50:27,728 INFO L93 Difference]: Finished difference Result 62479 states and 67698 transitions. [2020-10-25 19:50:27,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 19:50:27,728 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 547 [2020-10-25 19:50:27,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 19:50:27,729 INFO L225 Difference]: With dead ends: 62479 [2020-10-25 19:50:27,729 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 19:50:27,755 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 549 GetRequests, 546 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 19:50:27,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 19:50:27,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 19:50:27,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 19:50:27,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 19:50:27,756 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 547 [2020-10-25 19:50:27,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 19:50:27,756 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 19:50:27,756 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 19:50:27,756 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 19:50:27,757 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 19:50:27,969 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 19:50:27,973 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 19:50:28,532 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 143 [2020-10-25 19:50:28,989 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 143 [2020-10-25 19:50:30,317 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 129 DAG size of output: 59 [2020-10-25 19:50:31,776 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 129 DAG size of output: 59 [2020-10-25 19:50:31,780 INFO L274 CegarLoopResult]: For program point L1621-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,781 INFO L274 CegarLoopResult]: For program point L1555-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,781 INFO L274 CegarLoopResult]: For program point L1489-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,781 INFO L274 CegarLoopResult]: For program point L763(lines 763 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,781 INFO L274 CegarLoopResult]: For program point L1622(line 1622) no Hoare annotation was computed. [2020-10-25 19:50:31,781 INFO L274 CegarLoopResult]: For program point L1556(line 1556) no Hoare annotation was computed. [2020-10-25 19:50:31,781 INFO L274 CegarLoopResult]: For program point L499(lines 499 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,781 INFO L274 CegarLoopResult]: For program point L1490(line 1490) no Hoare annotation was computed. [2020-10-25 19:50:31,781 INFO L274 CegarLoopResult]: For program point L235(lines 235 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,781 INFO L274 CegarLoopResult]: For program point L500(lines 500 513) no Hoare annotation was computed. [2020-10-25 19:50:31,781 INFO L274 CegarLoopResult]: For program point L500-2(lines 500 513) no Hoare annotation was computed. [2020-10-25 19:50:31,782 INFO L274 CegarLoopResult]: For program point L1425(lines 1425 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,782 INFO L274 CegarLoopResult]: For program point L368(lines 368 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,782 INFO L274 CegarLoopResult]: For program point L1624-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,782 INFO L274 CegarLoopResult]: For program point L1558-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,782 INFO L274 CegarLoopResult]: For program point L1492-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,782 INFO L274 CegarLoopResult]: For program point L303(lines 303 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,782 INFO L274 CegarLoopResult]: For program point L1228(lines 1228 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,782 INFO L274 CegarLoopResult]: For program point L1625(line 1625) no Hoare annotation was computed. [2020-10-25 19:50:31,783 INFO L274 CegarLoopResult]: For program point L568(lines 568 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,783 INFO L274 CegarLoopResult]: For program point L1559(line 1559) no Hoare annotation was computed. [2020-10-25 19:50:31,783 INFO L274 CegarLoopResult]: For program point L1493(line 1493) no Hoare annotation was computed. [2020-10-25 19:50:31,783 INFO L274 CegarLoopResult]: For program point L436(lines 436 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,783 INFO L274 CegarLoopResult]: For program point L1361(lines 1361 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,783 INFO L274 CegarLoopResult]: For program point L1097(lines 1097 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,783 INFO L274 CegarLoopResult]: For program point L635(lines 635 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,784 INFO L274 CegarLoopResult]: For program point L1362(lines 1362 1381) no Hoare annotation was computed. [2020-10-25 19:50:31,784 INFO L274 CegarLoopResult]: For program point L1362-2(lines 1362 1381) no Hoare annotation was computed. [2020-10-25 19:50:31,784 INFO L274 CegarLoopResult]: For program point L1164(lines 1164 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,784 INFO L274 CegarLoopResult]: For program point L107(lines 107 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,784 INFO L274 CegarLoopResult]: For program point L1627-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,784 INFO L274 CegarLoopResult]: For program point L1561-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,784 INFO L274 CegarLoopResult]: For program point L1495-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,784 INFO L274 CegarLoopResult]: For program point L240(lines 240 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,784 INFO L274 CegarLoopResult]: For program point L174(lines 174 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,784 INFO L274 CegarLoopResult]: For program point L1033(lines 1033 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,784 INFO L274 CegarLoopResult]: For program point L901(lines 901 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,785 INFO L274 CegarLoopResult]: For program point L703(lines 703 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,785 INFO L274 CegarLoopResult]: For program point L1628(line 1628) no Hoare annotation was computed. [2020-10-25 19:50:31,785 INFO L274 CegarLoopResult]: For program point L1562(line 1562) no Hoare annotation was computed. [2020-10-25 19:50:31,785 INFO L274 CegarLoopResult]: For program point L1496(line 1496) no Hoare annotation was computed. [2020-10-25 19:50:31,785 INFO L274 CegarLoopResult]: For program point L968(lines 968 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,785 INFO L274 CegarLoopResult]: For program point L771(lines 771 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,785 INFO L274 CegarLoopResult]: For program point L1630-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,785 INFO L274 CegarLoopResult]: For program point L1564-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,785 INFO L274 CegarLoopResult]: For program point L1498-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,785 INFO L274 CegarLoopResult]: For program point L838(lines 838 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,785 INFO L274 CegarLoopResult]: For program point L1631(line 1631) no Hoare annotation was computed. [2020-10-25 19:50:31,786 INFO L274 CegarLoopResult]: For program point L1565(line 1565) no Hoare annotation was computed. [2020-10-25 19:50:31,786 INFO L274 CegarLoopResult]: For program point L1499(line 1499) no Hoare annotation was computed. [2020-10-25 19:50:31,786 INFO L274 CegarLoopResult]: For program point L443(lines 443 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,786 INFO L274 CegarLoopResult]: For program point L1434(lines 1434 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,786 INFO L274 CegarLoopResult]: For program point L576(lines 576 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,786 INFO L274 CegarLoopResult]: For program point L1633-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,786 INFO L274 CegarLoopResult]: For program point L1567-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,786 INFO L274 CegarLoopResult]: For program point L1501-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,786 INFO L274 CegarLoopResult]: For program point L1634(line 1634) no Hoare annotation was computed. [2020-10-25 19:50:31,786 INFO L274 CegarLoopResult]: For program point L1568(line 1568) no Hoare annotation was computed. [2020-10-25 19:50:31,786 INFO L274 CegarLoopResult]: For program point L1502(line 1502) no Hoare annotation was computed. [2020-10-25 19:50:31,786 INFO L274 CegarLoopResult]: For program point L379(lines 379 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,787 INFO L274 CegarLoopResult]: For program point L1106(lines 1106 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,787 INFO L274 CegarLoopResult]: For program point L1040(lines 1040 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,787 INFO L274 CegarLoopResult]: For program point L380(lines 380 397) no Hoare annotation was computed. [2020-10-25 19:50:31,787 INFO L274 CegarLoopResult]: For program point L314(lines 314 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,787 INFO L274 CegarLoopResult]: For program point L380-2(lines 380 397) no Hoare annotation was computed. [2020-10-25 19:50:31,787 INFO L274 CegarLoopResult]: For program point L1239(lines 1239 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,787 INFO L274 CegarLoopResult]: For program point L116(lines 116 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,787 INFO L274 CegarLoopResult]: For program point L1041(lines 1041 1061) no Hoare annotation was computed. [2020-10-25 19:50:31,787 INFO L274 CegarLoopResult]: For program point L1041-2(lines 1041 1061) no Hoare annotation was computed. [2020-10-25 19:50:31,787 INFO L274 CegarLoopResult]: For program point L909(lines 909 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,787 INFO L274 CegarLoopResult]: For program point L711(lines 711 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,787 INFO L274 CegarLoopResult]: For program point L645(lines 645 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,788 INFO L274 CegarLoopResult]: For program point L1636-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,788 INFO L274 CegarLoopResult]: For program point L1570-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,788 INFO L274 CegarLoopResult]: For program point L1504-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,788 INFO L274 CegarLoopResult]: For program point L183(lines 183 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,788 INFO L274 CegarLoopResult]: For program point L712(lines 712 733) no Hoare annotation was computed. [2020-10-25 19:50:31,788 INFO L274 CegarLoopResult]: For program point L712-2(lines 712 733) no Hoare annotation was computed. [2020-10-25 19:50:31,788 INFO L274 CegarLoopResult]: For program point L1637(line 1637) no Hoare annotation was computed. [2020-10-25 19:50:31,788 INFO L274 CegarLoopResult]: For program point L1571(line 1571) no Hoare annotation was computed. [2020-10-25 19:50:31,788 INFO L274 CegarLoopResult]: For program point L1505(line 1505) no Hoare annotation was computed. [2020-10-25 19:50:31,788 INFO L274 CegarLoopResult]: For program point L1307(lines 1307 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,788 INFO L274 CegarLoopResult]: For program point L250(lines 250 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,789 INFO L274 CegarLoopResult]: For program point L1175(lines 1175 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,789 INFO L274 CegarLoopResult]: For program point L977(lines 977 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,789 INFO L274 CegarLoopResult]: For program point L779(lines 779 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,789 INFO L274 CegarLoopResult]: For program point L515(lines 515 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,789 INFO L274 CegarLoopResult]: For program point L846(lines 846 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,789 INFO L274 CegarLoopResult]: For program point L1639-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,789 INFO L274 CegarLoopResult]: For program point L1573-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,789 INFO L274 CegarLoopResult]: For program point L1507-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,789 INFO L274 CegarLoopResult]: For program point L1640(line 1640) no Hoare annotation was computed. [2020-10-25 19:50:31,789 INFO L274 CegarLoopResult]: For program point L1574(line 1574) no Hoare annotation was computed. [2020-10-25 19:50:31,789 INFO L274 CegarLoopResult]: For program point L1508(line 1508) no Hoare annotation was computed. [2020-10-25 19:50:31,789 INFO L274 CegarLoopResult]: For program point L452(lines 452 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,790 INFO L274 CegarLoopResult]: For program point L585(lines 585 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,790 INFO L274 CegarLoopResult]: For program point L1642-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,790 INFO L274 CegarLoopResult]: For program point L1576-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,790 INFO L274 CegarLoopResult]: For program point L1510-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,790 INFO L274 CegarLoopResult]: For program point L1444(lines 1444 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,790 INFO L274 CegarLoopResult]: For program point L321(lines 321 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,790 INFO L274 CegarLoopResult]: For program point L1114(lines 1114 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,790 INFO L274 CegarLoopResult]: For program point L57(lines 57 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,790 INFO L274 CegarLoopResult]: For program point L1643(line 1643) no Hoare annotation was computed. [2020-10-25 19:50:31,790 INFO L274 CegarLoopResult]: For program point L1577(line 1577) no Hoare annotation was computed. [2020-10-25 19:50:31,790 INFO L274 CegarLoopResult]: For program point L1511(line 1511) no Hoare annotation was computed. [2020-10-25 19:50:31,790 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 19:50:31,791 INFO L274 CegarLoopResult]: For program point L58(lines 58 73) no Hoare annotation was computed. [2020-10-25 19:50:31,791 INFO L274 CegarLoopResult]: For program point L58-2(lines 58 73) no Hoare annotation was computed. [2020-10-25 19:50:31,791 INFO L274 CegarLoopResult]: For program point L786(lines 786 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,791 INFO L274 CegarLoopResult]: For program point L1645-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,791 INFO L274 CegarLoopResult]: For program point L1579-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,791 INFO L274 CegarLoopResult]: For program point L1513-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,791 INFO L274 CegarLoopResult]: For program point L1315(lines 1315 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,791 INFO L274 CegarLoopResult]: For program point L985(lines 985 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,791 INFO L274 CegarLoopResult]: For program point L919(lines 919 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,792 INFO L274 CegarLoopResult]: For program point L655(lines 655 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,792 INFO L274 CegarLoopResult]: For program point L1646(line 1646) no Hoare annotation was computed. [2020-10-25 19:50:31,792 INFO L274 CegarLoopResult]: For program point L1580(line 1580) no Hoare annotation was computed. [2020-10-25 19:50:31,792 INFO L274 CegarLoopResult]: For program point L1514(line 1514) no Hoare annotation was computed. [2020-10-25 19:50:31,792 INFO L274 CegarLoopResult]: For program point L259(lines 259 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,792 INFO L274 CegarLoopResult]: For program point L193(lines 193 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,792 INFO L274 CegarLoopResult]: For program point L1184(lines 1184 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,792 INFO L274 CegarLoopResult]: For program point L920(lines 920 937) no Hoare annotation was computed. [2020-10-25 19:50:31,792 INFO L274 CegarLoopResult]: For program point L920-2(lines 920 937) no Hoare annotation was computed. [2020-10-25 19:50:31,792 INFO L274 CegarLoopResult]: For program point L524(lines 524 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,793 INFO L274 CegarLoopResult]: For program point L1383(lines 1383 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,793 INFO L274 CegarLoopResult]: For program point L1251(lines 1251 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,793 INFO L274 CegarLoopResult]: For program point L194(lines 194 213) no Hoare annotation was computed. [2020-10-25 19:50:31,793 INFO L274 CegarLoopResult]: For program point L128(lines 128 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,793 INFO L274 CegarLoopResult]: For program point L194-2(lines 194 213) no Hoare annotation was computed. [2020-10-25 19:50:31,793 INFO L274 CegarLoopResult]: For program point L855(lines 855 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,793 INFO L274 CegarLoopResult]: For program point L1648-1(lines 1648 1650) no Hoare annotation was computed. [2020-10-25 19:50:31,793 INFO L274 CegarLoopResult]: For program point L1582-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,793 INFO L274 CegarLoopResult]: For program point L1516-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,793 INFO L274 CegarLoopResult]: For program point L1384(lines 1384 1402) no Hoare annotation was computed. [2020-10-25 19:50:31,793 INFO L274 CegarLoopResult]: For program point L1384-2(lines 1384 1402) no Hoare annotation was computed. [2020-10-25 19:50:31,794 INFO L274 CegarLoopResult]: For program point L1252(lines 1252 1274) no Hoare annotation was computed. [2020-10-25 19:50:31,794 INFO L274 CegarLoopResult]: For program point L1252-2(lines 1252 1274) no Hoare annotation was computed. [2020-10-25 19:50:31,794 INFO L274 CegarLoopResult]: For program point L1649(line 1649) no Hoare annotation was computed. [2020-10-25 19:50:31,794 INFO L274 CegarLoopResult]: For program point L1583(line 1583) no Hoare annotation was computed. [2020-10-25 19:50:31,794 INFO L274 CegarLoopResult]: For program point L1517(line 1517) no Hoare annotation was computed. [2020-10-25 19:50:31,794 INFO L274 CegarLoopResult]: For program point L460(lines 460 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,794 INFO L274 CegarLoopResult]: For program point L1122(lines 1122 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,794 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 19:50:31,794 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-25 19:50:31,794 INFO L274 CegarLoopResult]: For program point L660(lines 660 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,795 INFO L270 CegarLoopResult]: At program point L1651(lines 56 1652) the Hoare annotation is: (let ((.cse10 (= ~a26~0 ~a11~0)) (.cse11 (= ~a3~0 1)) (.cse8 (= ~a12~0 1)) (.cse12 (= ~a0~0 1)) (.cse2 (= ~a3~0 0)) (.cse9 (<= ~a27~0 0)) (.cse7 (<= ~a6~0 0)) (.cse13 (<= ~a26~0 0)) (.cse6 (= ~a11~0 1)) (.cse5 (<= 2 ~a3~0)) (.cse0 (= ~a5~0 1)) (.cse1 (= ~a27~0 1)) (.cse3 (= ~a11~0 0)) (.cse4 (= ~a6~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse6 .cse7) (and .cse0 .cse1 .cse5 .cse3 .cse7) (and .cse8 .cse0 .cse9 .cse2 .cse10 .cse6 .cse4) (and .cse0 .cse1 .cse2 .cse6 .cse4) (and .cse8 .cse0 .cse5 .cse9 .cse6 .cse7) (and .cse0 .cse9 .cse3 .cse4 .cse11) (and .cse0 .cse1 .cse12 .cse3 .cse7 .cse11) (and .cse8 .cse0 .cse5 .cse9 .cse3 .cse7) (and .cse5 .cse0 .cse1 .cse12 .cse6 .cse4) (and .cse0 .cse9 .cse12 .cse10 .cse6 .cse7 .cse11) (and .cse0 .cse9 .cse12 .cse2 .cse10 .cse6 .cse7) (and .cse0 .cse9 .cse2 .cse3 .cse4) (and .cse0 .cse9 .cse6 .cse4 .cse11) (and .cse0 .cse1 .cse6 .cse11) (and .cse0 .cse9 .cse3 .cse7 .cse11) (and .cse5 .cse0 .cse9 .cse3 .cse4) (and .cse0 .cse1 .cse3 .cse4 .cse11) (and .cse0 .cse9 .cse12 .cse2 .cse10 .cse6 .cse4) (and .cse0 .cse5 .cse9 .cse10 .cse6 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse7) (and .cse8 .cse0 .cse9 .cse2 .cse10 .cse6 .cse7) (and .cse8 .cse5 .cse0 .cse1 .cse6 .cse4) (and .cse8 .cse0 .cse9 .cse6 .cse7 .cse11) (and .cse8 .cse0 .cse13 .cse9 .cse2 .cse3 .cse7) (and .cse8 .cse0 .cse9 .cse12 .cse2 .cse3 .cse7) (and .cse0 .cse5 .cse13 .cse9 .cse6 .cse7) (and .cse5 .cse13 .cse0 .cse1 .cse6 .cse4) (and .cse5 .cse0 .cse1 .cse3 .cse4))) [2020-10-25 19:50:31,795 INFO L274 CegarLoopResult]: For program point L594(lines 594 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,795 INFO L274 CegarLoopResult]: For program point L1585-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,795 INFO L274 CegarLoopResult]: For program point L1519-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,795 INFO L274 CegarLoopResult]: For program point L1586(line 1586) no Hoare annotation was computed. [2020-10-25 19:50:31,796 INFO L274 CegarLoopResult]: For program point L1520(line 1520) no Hoare annotation was computed. [2020-10-25 19:50:31,796 INFO L274 CegarLoopResult]: For program point L1454(lines 1454 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,796 INFO L274 CegarLoopResult]: For program point L331(lines 331 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,796 INFO L274 CegarLoopResult]: For program point L1323(lines 1323 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,796 INFO L277 CegarLoopResult]: At program point L1654(lines 1654 1671) the Hoare annotation is: true [2020-10-25 19:50:31,796 INFO L274 CegarLoopResult]: For program point L531(lines 531 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,796 INFO L274 CegarLoopResult]: For program point L1588-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,796 INFO L274 CegarLoopResult]: For program point L1522-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,796 INFO L274 CegarLoopResult]: For program point L399(lines 399 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,796 INFO L274 CegarLoopResult]: For program point L267(lines 267 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,797 INFO L274 CegarLoopResult]: For program point L1192(lines 1192 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,797 INFO L274 CegarLoopResult]: For program point L1589(line 1589) no Hoare annotation was computed. [2020-10-25 19:50:31,797 INFO L274 CegarLoopResult]: For program point L1523(line 1523) no Hoare annotation was computed. [2020-10-25 19:50:31,797 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-25 19:50:31,797 INFO L274 CegarLoopResult]: For program point L797(lines 797 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,797 INFO L274 CegarLoopResult]: For program point L137(lines 137 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,797 INFO L274 CegarLoopResult]: For program point L996(lines 996 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,797 INFO L274 CegarLoopResult]: For program point L1591-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,797 INFO L274 CegarLoopResult]: For program point L1525-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,797 INFO L274 CegarLoopResult]: For program point L1129(lines 1129 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,798 INFO L274 CegarLoopResult]: For program point L1063(lines 1063 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,798 INFO L274 CegarLoopResult]: For program point L865(lines 865 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,798 INFO L274 CegarLoopResult]: For program point L667(lines 667 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,798 INFO L274 CegarLoopResult]: For program point L1592(line 1592) no Hoare annotation was computed. [2020-10-25 19:50:31,798 INFO L274 CegarLoopResult]: For program point L1526(line 1526) no Hoare annotation was computed. [2020-10-25 19:50:31,798 INFO L274 CegarLoopResult]: For program point L469(lines 469 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,798 INFO L274 CegarLoopResult]: For program point L1328(lines 1328 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,798 INFO L274 CegarLoopResult]: For program point L470(lines 470 480) no Hoare annotation was computed. [2020-10-25 19:50:31,798 INFO L274 CegarLoopResult]: For program point L470-2(lines 470 480) no Hoare annotation was computed. [2020-10-25 19:50:31,798 INFO L274 CegarLoopResult]: For program point L735(lines 735 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,799 INFO L270 CegarLoopResult]: At program point L1660-2(lines 1660 1670) the Hoare annotation is: (let ((.cse10 (= ~a26~0 ~a11~0)) (.cse11 (= ~a3~0 1)) (.cse8 (= ~a12~0 1)) (.cse12 (= ~a0~0 1)) (.cse2 (= ~a3~0 0)) (.cse9 (<= ~a27~0 0)) (.cse7 (<= ~a6~0 0)) (.cse13 (<= ~a26~0 0)) (.cse6 (= ~a11~0 1)) (.cse5 (<= 2 ~a3~0)) (.cse0 (= ~a5~0 1)) (.cse1 (= ~a27~0 1)) (.cse3 (= ~a11~0 0)) (.cse4 (= ~a6~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse6 .cse7) (and .cse0 .cse1 .cse5 .cse3 .cse7) (and .cse8 .cse0 .cse9 .cse2 .cse10 .cse6 .cse4) (and .cse0 .cse1 .cse2 .cse6 .cse4) (and .cse8 .cse0 .cse5 .cse9 .cse6 .cse7) (and .cse0 .cse9 .cse3 .cse4 .cse11) (and .cse0 .cse1 .cse12 .cse3 .cse7 .cse11) (and .cse8 .cse0 .cse5 .cse9 .cse3 .cse7) (and .cse5 .cse0 .cse1 .cse12 .cse6 .cse4) (and .cse0 .cse9 .cse12 .cse10 .cse6 .cse7 .cse11) (and .cse0 .cse9 .cse12 .cse2 .cse10 .cse6 .cse7) (and .cse0 .cse9 .cse2 .cse3 .cse4) (and .cse0 .cse9 .cse6 .cse4 .cse11) (and .cse0 .cse1 .cse6 .cse11) (and .cse0 .cse9 .cse3 .cse7 .cse11) (and .cse5 .cse0 .cse9 .cse3 .cse4) (and .cse0 .cse1 .cse3 .cse4 .cse11) (and .cse0 .cse9 .cse12 .cse2 .cse10 .cse6 .cse4) (and .cse0 .cse5 .cse9 .cse10 .cse6 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse7) (and .cse8 .cse0 .cse9 .cse2 .cse10 .cse6 .cse7) (and .cse8 .cse5 .cse0 .cse1 .cse6 .cse4) (and .cse8 .cse0 .cse9 .cse6 .cse7 .cse11) (and .cse8 .cse0 .cse13 .cse9 .cse2 .cse3 .cse7) (and .cse8 .cse0 .cse9 .cse12 .cse2 .cse3 .cse7) (and .cse0 .cse5 .cse13 .cse9 .cse6 .cse7) (and .cse5 .cse13 .cse0 .cse1 .cse6 .cse4) (and .cse5 .cse0 .cse1 .cse3 .cse4))) [2020-10-25 19:50:31,799 INFO L274 CegarLoopResult]: For program point L1594-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,799 INFO L274 CegarLoopResult]: For program point L1528-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,799 INFO L274 CegarLoopResult]: For program point L1462(lines 1462 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,799 INFO L274 CegarLoopResult]: For program point L75(lines 75 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,799 INFO L274 CegarLoopResult]: For program point L1595(line 1595) no Hoare annotation was computed. [2020-10-25 19:50:31,799 INFO L274 CegarLoopResult]: For program point L1529(line 1529) no Hoare annotation was computed. [2020-10-25 19:50:31,799 INFO L274 CegarLoopResult]: For program point L605(lines 605 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,799 INFO L274 CegarLoopResult]: For program point L407(lines 407 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,800 INFO L274 CegarLoopResult]: For program point L341(lines 341 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,800 INFO L274 CegarLoopResult]: For program point L1134(lines 1134 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,800 INFO L274 CegarLoopResult]: For program point L1068(lines 1068 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,800 INFO L274 CegarLoopResult]: For program point L870(lines 870 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,800 INFO L274 CegarLoopResult]: For program point L1597-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,800 INFO L274 CegarLoopResult]: For program point L1531-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,800 INFO L274 CegarLoopResult]: For program point L871(lines 871 889) no Hoare annotation was computed. [2020-10-25 19:50:31,800 INFO L274 CegarLoopResult]: For program point L871-2(lines 871 889) no Hoare annotation was computed. [2020-10-25 19:50:31,800 INFO L274 CegarLoopResult]: For program point L1598(line 1598) no Hoare annotation was computed. [2020-10-25 19:50:31,800 INFO L274 CegarLoopResult]: For program point L541(lines 541 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,800 INFO L274 CegarLoopResult]: For program point L1532(line 1532) no Hoare annotation was computed. [2020-10-25 19:50:31,800 INFO L274 CegarLoopResult]: For program point L1202(lines 1202 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,801 INFO L274 CegarLoopResult]: For program point L806(lines 806 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,801 INFO L274 CegarLoopResult]: For program point L1665(line 1665) no Hoare annotation was computed. [2020-10-25 19:50:31,801 INFO L274 CegarLoopResult]: For program point L278(lines 278 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,801 INFO L274 CegarLoopResult]: For program point L1005(lines 1005 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,801 INFO L274 CegarLoopResult]: For program point L939(lines 939 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,801 INFO L274 CegarLoopResult]: For program point L1600-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,801 INFO L274 CegarLoopResult]: For program point L1534-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,801 INFO L274 CegarLoopResult]: For program point L1468(lines 1468 1470) no Hoare annotation was computed. [2020-10-25 19:50:31,801 INFO L274 CegarLoopResult]: For program point L1468-2(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,802 INFO L274 CegarLoopResult]: For program point L1601(line 1601) no Hoare annotation was computed. [2020-10-25 19:50:31,802 INFO L274 CegarLoopResult]: For program point L1535(line 1535) no Hoare annotation was computed. [2020-10-25 19:50:31,802 INFO L274 CegarLoopResult]: For program point L1469(line 1469) no Hoare annotation was computed. [2020-10-25 19:50:31,802 INFO L274 CegarLoopResult]: For program point L148(lines 148 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,802 INFO L274 CegarLoopResult]: For program point L677(lines 677 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,802 INFO L274 CegarLoopResult]: For program point L1404(lines 1404 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,802 INFO L274 CegarLoopResult]: For program point L1338(lines 1338 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,802 INFO L274 CegarLoopResult]: For program point L215(lines 215 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,802 INFO L274 CegarLoopResult]: For program point L1603-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,803 INFO L274 CegarLoopResult]: For program point L1537-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,803 INFO L274 CegarLoopResult]: For program point L1471-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,803 INFO L274 CegarLoopResult]: For program point L1405(lines 1405 1423) no Hoare annotation was computed. [2020-10-25 19:50:31,803 INFO L274 CegarLoopResult]: For program point L1405-2(lines 1405 1423) no Hoare annotation was computed. [2020-10-25 19:50:31,803 INFO L274 CegarLoopResult]: For program point L84(lines 84 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,803 INFO L274 CegarLoopResult]: For program point L745(lines 745 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,803 INFO L274 CegarLoopResult]: For program point L1604(line 1604) no Hoare annotation was computed. [2020-10-25 19:50:31,803 INFO L274 CegarLoopResult]: For program point L1538(line 1538) no Hoare annotation was computed. [2020-10-25 19:50:31,803 INFO L274 CegarLoopResult]: For program point L1472(line 1472) no Hoare annotation was computed. [2020-10-25 19:50:31,803 INFO L274 CegarLoopResult]: For program point L1076(lines 1076 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,804 INFO L274 CegarLoopResult]: For program point L548(lines 548 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,804 INFO L274 CegarLoopResult]: For program point L482(lines 482 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,804 INFO L274 CegarLoopResult]: For program point L416(lines 416 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,804 INFO L274 CegarLoopResult]: For program point L350(lines 350 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,804 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 19:50:31,804 INFO L274 CegarLoopResult]: For program point L1606-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,804 INFO L274 CegarLoopResult]: For program point L1540-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,804 INFO L274 CegarLoopResult]: For program point L1474-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,804 INFO L274 CegarLoopResult]: For program point L1276(lines 1276 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,805 INFO L274 CegarLoopResult]: For program point L1144(lines 1144 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,805 INFO L274 CegarLoopResult]: For program point L616(lines 616 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,805 INFO L274 CegarLoopResult]: For program point L1607(line 1607) no Hoare annotation was computed. [2020-10-25 19:50:31,805 INFO L274 CegarLoopResult]: For program point L1541(line 1541) no Hoare annotation was computed. [2020-10-25 19:50:31,805 INFO L274 CegarLoopResult]: For program point L1475(line 1475) no Hoare annotation was computed. [2020-10-25 19:50:31,805 INFO L274 CegarLoopResult]: For program point L286(lines 286 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,805 INFO L274 CegarLoopResult]: For program point L1013(lines 1013 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,805 INFO L274 CegarLoopResult]: For program point L815(lines 815 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,805 INFO L274 CegarLoopResult]: For program point L1212(lines 1212 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,806 INFO L274 CegarLoopResult]: For program point L1609-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,806 INFO L274 CegarLoopResult]: For program point L1543-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,806 INFO L274 CegarLoopResult]: For program point L1477-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,806 INFO L274 CegarLoopResult]: For program point L1213(lines 1213 1226) no Hoare annotation was computed. [2020-10-25 19:50:31,806 INFO L274 CegarLoopResult]: For program point L1213-2(lines 1213 1226) no Hoare annotation was computed. [2020-10-25 19:50:31,806 INFO L274 CegarLoopResult]: For program point L949(lines 949 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,806 INFO L274 CegarLoopResult]: For program point L1610(line 1610) no Hoare annotation was computed. [2020-10-25 19:50:31,806 INFO L274 CegarLoopResult]: For program point L1544(line 1544) no Hoare annotation was computed. [2020-10-25 19:50:31,806 INFO L274 CegarLoopResult]: For program point L1478(line 1478) no Hoare annotation was computed. [2020-10-25 19:50:31,807 INFO L274 CegarLoopResult]: For program point L1346(lines 1346 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,807 INFO L274 CegarLoopResult]: For program point L157(lines 157 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,807 INFO L274 CegarLoopResult]: For program point L91(lines 91 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,807 INFO L274 CegarLoopResult]: For program point L686(lines 686 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,807 INFO L274 CegarLoopResult]: For program point L224(lines 224 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,807 INFO L274 CegarLoopResult]: For program point L687(lines 687 701) no Hoare annotation was computed. [2020-10-25 19:50:31,807 INFO L274 CegarLoopResult]: For program point L687-2(lines 687 701) no Hoare annotation was computed. [2020-10-25 19:50:31,807 INFO L274 CegarLoopResult]: For program point L1612-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,807 INFO L274 CegarLoopResult]: For program point L1546-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,808 INFO L274 CegarLoopResult]: For program point L1480-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,808 INFO L274 CegarLoopResult]: For program point L1613(line 1613) no Hoare annotation was computed. [2020-10-25 19:50:31,808 INFO L274 CegarLoopResult]: For program point L1547(line 1547) no Hoare annotation was computed. [2020-10-25 19:50:31,808 INFO L274 CegarLoopResult]: For program point L490(lines 490 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,808 INFO L274 CegarLoopResult]: For program point L1481(line 1481) no Hoare annotation was computed. [2020-10-25 19:50:31,808 INFO L274 CegarLoopResult]: For program point L424(lines 424 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,808 INFO L274 CegarLoopResult]: For program point L358(lines 358 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,808 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 19:50:31,808 INFO L274 CegarLoopResult]: For program point L755(lines 755 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,808 INFO L274 CegarLoopResult]: For program point L624(lines 624 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,808 INFO L274 CegarLoopResult]: For program point L558(lines 558 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,809 INFO L274 CegarLoopResult]: For program point L1615-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,809 INFO L274 CegarLoopResult]: For program point L1549-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,809 INFO L274 CegarLoopResult]: For program point L1483-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,809 INFO L274 CegarLoopResult]: For program point L294(lines 294 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,809 INFO L274 CegarLoopResult]: For program point L1285(lines 1285 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,809 INFO L274 CegarLoopResult]: For program point L1616(line 1616) no Hoare annotation was computed. [2020-10-25 19:50:31,809 INFO L274 CegarLoopResult]: For program point L1550(line 1550) no Hoare annotation was computed. [2020-10-25 19:50:31,809 INFO L274 CegarLoopResult]: For program point L1484(line 1484) no Hoare annotation was computed. [2020-10-25 19:50:31,809 INFO L274 CegarLoopResult]: For program point L1352(lines 1352 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,809 INFO L274 CegarLoopResult]: For program point L1286(lines 1286 1305) no Hoare annotation was computed. [2020-10-25 19:50:31,809 INFO L274 CegarLoopResult]: For program point L1286-2(lines 1286 1305) no Hoare annotation was computed. [2020-10-25 19:50:31,810 INFO L274 CegarLoopResult]: For program point L1154(lines 1154 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,810 INFO L274 CegarLoopResult]: For program point L97(lines 97 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,810 INFO L274 CegarLoopResult]: For program point L1088(lines 1088 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,810 INFO L274 CegarLoopResult]: For program point L1023(lines 1023 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,810 INFO L274 CegarLoopResult]: For program point L957(lines 957 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,810 INFO L274 CegarLoopResult]: For program point L891(lines 891 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,810 INFO L274 CegarLoopResult]: For program point L1618-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,810 INFO L274 CegarLoopResult]: For program point L1552-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,810 INFO L274 CegarLoopResult]: For program point L1486-1(lines 56 1652) no Hoare annotation was computed. [2020-10-25 19:50:31,810 INFO L274 CegarLoopResult]: For program point L1619(line 1619) no Hoare annotation was computed. [2020-10-25 19:50:31,810 INFO L274 CegarLoopResult]: For program point L1553(line 1553) no Hoare annotation was computed. [2020-10-25 19:50:31,810 INFO L274 CegarLoopResult]: For program point L1487(line 1487) no Hoare annotation was computed. [2020-10-25 19:50:31,811 INFO L274 CegarLoopResult]: For program point L166(lines 166 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,811 INFO L274 CegarLoopResult]: For program point L827(lines 827 1467) no Hoare annotation was computed. [2020-10-25 19:50:31,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 07:50:31 BoogieIcfgContainer [2020-10-25 19:50:31,846 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 19:50:31,847 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 19:50:31,847 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 19:50:31,847 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 19:50:31,848 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:49:45" (3/4) ... [2020-10-25 19:50:31,851 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 19:50:31,889 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-25 19:50:31,892 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-25 19:50:31,896 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 19:50:31,899 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 19:50:32,158 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 19:50:32,159 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 19:50:32,160 INFO L168 Benchmark]: Toolchain (without parser) took 50533.38 ms. Allocated memory was 41.9 MB in the beginning and 5.2 GB in the end (delta: 5.1 GB). Free memory was 20.6 MB in the beginning and 4.1 GB in the end (delta: -4.1 GB). Peak memory consumption was 1.1 GB. Max. memory is 16.1 GB. [2020-10-25 19:50:32,161 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 41.9 MB. Free memory was 20.2 MB in the beginning and 20.1 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 19:50:32,161 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1350.67 ms. Allocated memory was 41.9 MB in the beginning and 62.9 MB in the end (delta: 21.0 MB). Free memory was 20.1 MB in the beginning and 33.5 MB in the end (delta: -13.4 MB). Peak memory consumption was 21.9 MB. Max. memory is 16.1 GB. [2020-10-25 19:50:32,161 INFO L168 Benchmark]: Boogie Procedure Inliner took 183.52 ms. Allocated memory is still 62.9 MB. Free memory was 33.3 MB in the beginning and 26.2 MB in the end (delta: 7.1 MB). Peak memory consumption was 17.7 MB. Max. memory is 16.1 GB. [2020-10-25 19:50:32,162 INFO L168 Benchmark]: Boogie Preprocessor took 159.17 ms. Allocated memory was 62.9 MB in the beginning and 86.0 MB in the end (delta: 23.1 MB). Free memory was 26.2 MB in the beginning and 45.2 MB in the end (delta: -19.0 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB. [2020-10-25 19:50:32,162 INFO L168 Benchmark]: RCFGBuilder took 2094.24 ms. Allocated memory was 86.0 MB in the beginning and 172.0 MB in the end (delta: 86.0 MB). Free memory was 44.9 MB in the beginning and 107.2 MB in the end (delta: -62.3 MB). Peak memory consumption was 75.1 MB. Max. memory is 16.1 GB. [2020-10-25 19:50:32,163 INFO L168 Benchmark]: TraceAbstraction took 46417.19 ms. Allocated memory was 172.0 MB in the beginning and 5.2 GB in the end (delta: 5.0 GB). Free memory was 106.2 MB in the beginning and 4.1 GB in the end (delta: -4.0 GB). Peak memory consumption was 1.0 GB. Max. memory is 16.1 GB. [2020-10-25 19:50:32,163 INFO L168 Benchmark]: Witness Printer took 312.15 ms. Allocated memory is still 5.2 GB. Free memory was 4.1 GB in the beginning and 4.1 GB in the end (delta: 38.8 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2020-10-25 19:50:32,166 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 41.9 MB. Free memory was 20.2 MB in the beginning and 20.1 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1350.67 ms. Allocated memory was 41.9 MB in the beginning and 62.9 MB in the end (delta: 21.0 MB). Free memory was 20.1 MB in the beginning and 33.5 MB in the end (delta: -13.4 MB). Peak memory consumption was 21.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 183.52 ms. Allocated memory is still 62.9 MB. Free memory was 33.3 MB in the beginning and 26.2 MB in the end (delta: 7.1 MB). Peak memory consumption was 17.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 159.17 ms. Allocated memory was 62.9 MB in the beginning and 86.0 MB in the end (delta: 23.1 MB). Free memory was 26.2 MB in the beginning and 45.2 MB in the end (delta: -19.0 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2094.24 ms. Allocated memory was 86.0 MB in the beginning and 172.0 MB in the end (delta: 86.0 MB). Free memory was 44.9 MB in the beginning and 107.2 MB in the end (delta: -62.3 MB). Peak memory consumption was 75.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 46417.19 ms. Allocated memory was 172.0 MB in the beginning and 5.2 GB in the end (delta: 5.0 GB). Free memory was 106.2 MB in the beginning and 4.1 GB in the end (delta: -4.0 GB). Peak memory consumption was 1.0 GB. Max. memory is 16.1 GB. * Witness Printer took 312.15 ms. Allocated memory is still 5.2 GB. Free memory was 4.1 GB in the beginning and 4.1 GB in the end (delta: 38.8 MB). Peak memory consumption was 37.7 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: 56]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((a5 == 1 && a27 == 1) && a3 == 0) && a11 == 0) && a6 == 1) || ((((a5 == 1 && a27 == 1) && 2 <= a3) && a11 == 1) && a6 <= 0)) || ((((a5 == 1 && a27 == 1) && a3 == 0) && a11 == 1) && a6 <= 0)) || ((((a5 == 1 && a27 == 1) && 2 <= a3) && a11 == 0) && a6 <= 0)) || ((((((a12 == 1 && a5 == 1) && a27 <= 0) && a3 == 0) && a26 == a11) && a11 == 1) && a6 == 1)) || ((((a5 == 1 && a27 == 1) && a3 == 0) && a11 == 1) && a6 == 1)) || (((((a12 == 1 && a5 == 1) && 2 <= a3) && a27 <= 0) && a11 == 1) && a6 <= 0)) || ((((a5 == 1 && a27 <= 0) && a11 == 0) && a6 == 1) && a3 == 1)) || (((((a5 == 1 && a27 == 1) && a0 == 1) && a11 == 0) && a6 <= 0) && a3 == 1)) || (((((a12 == 1 && a5 == 1) && 2 <= a3) && a27 <= 0) && a11 == 0) && a6 <= 0)) || (((((2 <= a3 && a5 == 1) && a27 == 1) && a0 == 1) && a11 == 1) && a6 == 1)) || ((((((a5 == 1 && a27 <= 0) && a0 == 1) && a26 == a11) && a11 == 1) && a6 <= 0) && a3 == 1)) || ((((((a5 == 1 && a27 <= 0) && a0 == 1) && a3 == 0) && a26 == a11) && a11 == 1) && a6 <= 0)) || ((((a5 == 1 && a27 <= 0) && a3 == 0) && a11 == 0) && a6 == 1)) || ((((a5 == 1 && a27 <= 0) && a11 == 1) && a6 == 1) && a3 == 1)) || (((a5 == 1 && a27 == 1) && a11 == 1) && a3 == 1)) || ((((a5 == 1 && a27 <= 0) && a11 == 0) && a6 <= 0) && a3 == 1)) || ((((2 <= a3 && a5 == 1) && a27 <= 0) && a11 == 0) && a6 == 1)) || ((((a5 == 1 && a27 == 1) && a11 == 0) && a6 == 1) && a3 == 1)) || ((((((a5 == 1 && a27 <= 0) && a0 == 1) && a3 == 0) && a26 == a11) && a11 == 1) && a6 == 1)) || (((((a5 == 1 && 2 <= a3) && a27 <= 0) && a26 == a11) && a11 == 1) && a6 == 1)) || ((((a5 == 1 && a27 == 1) && a3 == 0) && a11 == 0) && a6 <= 0)) || ((((((a12 == 1 && a5 == 1) && a27 <= 0) && a3 == 0) && a26 == a11) && a11 == 1) && a6 <= 0)) || (((((a12 == 1 && 2 <= a3) && a5 == 1) && a27 == 1) && a11 == 1) && a6 == 1)) || (((((a12 == 1 && a5 == 1) && a27 <= 0) && a11 == 1) && a6 <= 0) && a3 == 1)) || ((((((a12 == 1 && a5 == 1) && a26 <= 0) && a27 <= 0) && a3 == 0) && a11 == 0) && a6 <= 0)) || ((((((a12 == 1 && a5 == 1) && a27 <= 0) && a0 == 1) && a3 == 0) && a11 == 0) && a6 <= 0)) || (((((a5 == 1 && 2 <= a3) && a26 <= 0) && a27 <= 0) && a11 == 1) && a6 <= 0)) || (((((2 <= a3 && a26 <= 0) && a5 == 1) && a27 == 1) && a11 == 1) && a6 == 1)) || ((((2 <= a3 && a5 == 1) && a27 == 1) && a11 == 0) && a6 == 1) - InvariantResult [Line: 1654]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1660]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((a5 == 1 && a27 == 1) && a3 == 0) && a11 == 0) && a6 == 1) || ((((a5 == 1 && a27 == 1) && 2 <= a3) && a11 == 1) && a6 <= 0)) || ((((a5 == 1 && a27 == 1) && a3 == 0) && a11 == 1) && a6 <= 0)) || ((((a5 == 1 && a27 == 1) && 2 <= a3) && a11 == 0) && a6 <= 0)) || ((((((a12 == 1 && a5 == 1) && a27 <= 0) && a3 == 0) && a26 == a11) && a11 == 1) && a6 == 1)) || ((((a5 == 1 && a27 == 1) && a3 == 0) && a11 == 1) && a6 == 1)) || (((((a12 == 1 && a5 == 1) && 2 <= a3) && a27 <= 0) && a11 == 1) && a6 <= 0)) || ((((a5 == 1 && a27 <= 0) && a11 == 0) && a6 == 1) && a3 == 1)) || (((((a5 == 1 && a27 == 1) && a0 == 1) && a11 == 0) && a6 <= 0) && a3 == 1)) || (((((a12 == 1 && a5 == 1) && 2 <= a3) && a27 <= 0) && a11 == 0) && a6 <= 0)) || (((((2 <= a3 && a5 == 1) && a27 == 1) && a0 == 1) && a11 == 1) && a6 == 1)) || ((((((a5 == 1 && a27 <= 0) && a0 == 1) && a26 == a11) && a11 == 1) && a6 <= 0) && a3 == 1)) || ((((((a5 == 1 && a27 <= 0) && a0 == 1) && a3 == 0) && a26 == a11) && a11 == 1) && a6 <= 0)) || ((((a5 == 1 && a27 <= 0) && a3 == 0) && a11 == 0) && a6 == 1)) || ((((a5 == 1 && a27 <= 0) && a11 == 1) && a6 == 1) && a3 == 1)) || (((a5 == 1 && a27 == 1) && a11 == 1) && a3 == 1)) || ((((a5 == 1 && a27 <= 0) && a11 == 0) && a6 <= 0) && a3 == 1)) || ((((2 <= a3 && a5 == 1) && a27 <= 0) && a11 == 0) && a6 == 1)) || ((((a5 == 1 && a27 == 1) && a11 == 0) && a6 == 1) && a3 == 1)) || ((((((a5 == 1 && a27 <= 0) && a0 == 1) && a3 == 0) && a26 == a11) && a11 == 1) && a6 == 1)) || (((((a5 == 1 && 2 <= a3) && a27 <= 0) && a26 == a11) && a11 == 1) && a6 == 1)) || ((((a5 == 1 && a27 == 1) && a3 == 0) && a11 == 0) && a6 <= 0)) || ((((((a12 == 1 && a5 == 1) && a27 <= 0) && a3 == 0) && a26 == a11) && a11 == 1) && a6 <= 0)) || (((((a12 == 1 && 2 <= a3) && a5 == 1) && a27 == 1) && a11 == 1) && a6 == 1)) || (((((a12 == 1 && a5 == 1) && a27 <= 0) && a11 == 1) && a6 <= 0) && a3 == 1)) || ((((((a12 == 1 && a5 == 1) && a26 <= 0) && a27 <= 0) && a3 == 0) && a11 == 0) && a6 <= 0)) || ((((((a12 == 1 && a5 == 1) && a27 <= 0) && a0 == 1) && a3 == 0) && a11 == 0) && a6 <= 0)) || (((((a5 == 1 && 2 <= a3) && a26 <= 0) && a27 <= 0) && a11 == 1) && a6 <= 0)) || (((((2 <= a3 && a26 <= 0) && a5 == 1) && a27 == 1) && a11 == 1) && a6 == 1)) || ((((2 <= a3 && a5 == 1) && a27 == 1) && a11 == 0) && a6 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 303 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 42.4s, OverallIterations: 19, TraceHistogramMax: 8, AutomataDifference: 26.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3458 SDtfs, 4228 SDslu, 563 SDs, 0 SdLazy, 11789 SolverSat, 1994 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2924 GetRequests, 2888 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29714occurred in iteration=18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.5s AutomataMinimizationTime, 19 MinimizatonAttempts, 12075 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 287 NumberOfFragments, 1095 HoareAnnotationTreeSize, 3 FomulaSimplifications, 10972 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 2704 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 8738 NumberOfCodeBlocks, 8738 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 8712 ConstructedInterpolants, 0 QuantifiedInterpolants, 5592082 SizeOfPredicates, 3 NumberOfNonLiveVariables, 5140 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 26 InterpolantComputations, 19 PerfectInterpolantSequences, 7225/7273 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...