./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label41.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_57fd101c-c851-406b-b819-ea671befc96e/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_57fd101c-c851-406b-b819-ea671befc96e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_57fd101c-c851-406b-b819-ea671befc96e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_57fd101c-c851-406b-b819-ea671befc96e/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label41.c -s /tmp/vcloud-vcloud-master/worker/run_dir_57fd101c-c851-406b-b819-ea671befc96e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_57fd101c-c851-406b-b819-ea671befc96e/bin/uautomizer --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 bc49c6ab73202743f62102aea7ab0b4891404056 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 23:55:52,347 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:55:52,361 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:55:52,413 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:55:52,414 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:55:52,416 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:55:52,418 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:55:52,421 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:55:52,428 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:55:52,430 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:55:52,432 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:55:52,434 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:55:52,436 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:55:52,441 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:55:52,443 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:55:52,445 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:55:52,448 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:55:52,457 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:55:52,460 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:55:52,466 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:55:52,468 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:55:52,474 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:55:52,476 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:55:52,477 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:55:52,480 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:55:52,481 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:55:52,481 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:55:52,483 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:55:52,483 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:55:52,485 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:55:52,485 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:55:52,486 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:55:52,488 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:55:52,489 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:55:52,490 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:55:52,491 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:55:52,492 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:55:52,492 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:55:52,493 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:55:52,494 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:55:52,501 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:55:52,502 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_57fd101c-c851-406b-b819-ea671befc96e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 23:55:52,553 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:55:52,556 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:55:52,559 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:55:52,559 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:55:52,559 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 23:55:52,560 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:55:52,560 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 23:55:52,560 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 23:55:52,561 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 23:55:52,561 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:55:52,562 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 23:55:52,563 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 23:55:52,563 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 23:55:52,563 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 23:55:52,563 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:55:52,564 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:55:52,564 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 23:55:52,564 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:55:52,565 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 23:55:52,565 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 23:55:52,565 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 23:55:52,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 23:55:52,566 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:55:52,566 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 23:55:52,566 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 23:55:52,567 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 23:55:52,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 23:55:52,567 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 23:55:52,568 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 23:55:52,568 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:/tmp/vcloud-vcloud-master/worker/run_dir_57fd101c-c851-406b-b819-ea671befc96e/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_57fd101c-c851-406b-b819-ea671befc96e/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc49c6ab73202743f62102aea7ab0b4891404056 [2020-11-29 23:55:52,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:55:52,955 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:55:52,958 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:55:52,962 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:55:52,964 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:55:52,965 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_57fd101c-c851-406b-b819-ea671befc96e/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem11_label41.c [2020-11-29 23:55:53,066 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_57fd101c-c851-406b-b819-ea671befc96e/bin/uautomizer/data/7076a7756/0c5cabd56fed42469bd750c11a1f8c3d/FLAGfd725689c [2020-11-29 23:55:53,770 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:55:53,788 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_57fd101c-c851-406b-b819-ea671befc96e/sv-benchmarks/c/eca-rers2012/Problem11_label41.c [2020-11-29 23:55:53,813 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_57fd101c-c851-406b-b819-ea671befc96e/bin/uautomizer/data/7076a7756/0c5cabd56fed42469bd750c11a1f8c3d/FLAGfd725689c [2020-11-29 23:55:53,952 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_57fd101c-c851-406b-b819-ea671befc96e/bin/uautomizer/data/7076a7756/0c5cabd56fed42469bd750c11a1f8c3d [2020-11-29 23:55:53,956 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:55:53,960 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:55:53,963 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:55:53,964 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:55:53,968 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:55:53,969 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:55:53" (1/1) ... [2020-11-29 23:55:53,972 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b94e77f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:53, skipping insertion in model container [2020-11-29 23:55:53,972 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:55:53" (1/1) ... [2020-11-29 23:55:53,981 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:55:54,078 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:55:54,790 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:55:54,801 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 23:55:55,006 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:55:55,024 INFO L208 MainTranslator]: Completed translation [2020-11-29 23:55:55,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:55 WrapperNode [2020-11-29 23:55:55,025 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:55:55,027 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 23:55:55,027 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 23:55:55,027 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 23:55:55,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:55" (1/1) ... [2020-11-29 23:55:55,092 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:55" (1/1) ... [2020-11-29 23:55:55,220 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 23:55:55,222 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 23:55:55,223 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 23:55:55,223 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 23:55:55,234 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:55" (1/1) ... [2020-11-29 23:55:55,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:55" (1/1) ... [2020-11-29 23:55:55,253 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:55" (1/1) ... [2020-11-29 23:55:55,253 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:55" (1/1) ... [2020-11-29 23:55:55,313 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:55" (1/1) ... [2020-11-29 23:55:55,335 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:55" (1/1) ... [2020-11-29 23:55:55,347 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:55" (1/1) ... [2020-11-29 23:55:55,363 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 23:55:55,364 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 23:55:55,364 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 23:55:55,365 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 23:55:55,366 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_57fd101c-c851-406b-b819-ea671befc96e/bin/uautomizer/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 [2020-11-29 23:55:55,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 23:55:55,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 23:55:55,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 23:55:55,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 23:55:57,961 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 23:55:57,961 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 23:55:57,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:55:57 BoogieIcfgContainer [2020-11-29 23:55:57,965 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 23:55:57,967 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 23:55:57,967 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 23:55:57,971 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 23:55:57,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 11:55:53" (1/3) ... [2020-11-29 23:55:57,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@799932cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 11:55:57, skipping insertion in model container [2020-11-29 23:55:57,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:55" (2/3) ... [2020-11-29 23:55:57,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@799932cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 11:55:57, skipping insertion in model container [2020-11-29 23:55:57,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:55:57" (3/3) ... [2020-11-29 23:55:57,975 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label41.c [2020-11-29 23:55:57,989 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 23:55:57,997 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 23:55:58,011 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 23:55:58,046 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 23:55:58,046 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 23:55:58,046 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 23:55:58,047 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 23:55:58,047 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 23:55:58,047 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 23:55:58,047 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 23:55:58,047 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 23:55:58,074 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states. [2020-11-29 23:55:58,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-29 23:55:58,081 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:55:58,082 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] [2020-11-29 23:55:58,083 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:55:58,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:55:58,090 INFO L82 PathProgramCache]: Analyzing trace with hash -85512855, now seen corresponding path program 1 times [2020-11-29 23:55:58,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:55:58,101 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740610009] [2020-11-29 23:55:58,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:55:58,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:58,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:55:58,368 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740610009] [2020-11-29 23:55:58,369 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:55:58,369 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 23:55:58,370 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980223163] [2020-11-29 23:55:58,380 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:55:58,380 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:55:58,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:55:58,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:55:58,401 INFO L87 Difference]: Start difference. First operand 284 states. Second operand 3 states. [2020-11-29 23:56:00,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:56:00,480 INFO L93 Difference]: Finished difference Result 762 states and 1346 transitions. [2020-11-29 23:56:00,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:56:00,483 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2020-11-29 23:56:00,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:56:00,506 INFO L225 Difference]: With dead ends: 762 [2020-11-29 23:56:00,506 INFO L226 Difference]: Without dead ends: 413 [2020-11-29 23:56:00,521 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 [2020-11-29 23:56:00,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2020-11-29 23:56:00,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2020-11-29 23:56:00,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2020-11-29 23:56:00,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 599 transitions. [2020-11-29 23:56:00,647 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 599 transitions. Word has length 21 [2020-11-29 23:56:00,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:56:00,647 INFO L481 AbstractCegarLoop]: Abstraction has 413 states and 599 transitions. [2020-11-29 23:56:00,647 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:56:00,649 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 599 transitions. [2020-11-29 23:56:00,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-11-29 23:56:00,658 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:56:00,659 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:56:00,659 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 23:56:00,659 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:56:00,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:56:00,663 INFO L82 PathProgramCache]: Analyzing trace with hash 242978350, now seen corresponding path program 1 times [2020-11-29 23:56:00,664 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:56:00,664 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687706465] [2020-11-29 23:56:00,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:56:00,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:00,987 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:56:00,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687706465] [2020-11-29 23:56:00,987 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:56:00,988 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 23:56:00,988 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645364057] [2020-11-29 23:56:00,990 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:56:00,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:56:00,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:56:00,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:56:00,991 INFO L87 Difference]: Start difference. First operand 413 states and 599 transitions. Second operand 3 states. [2020-11-29 23:56:02,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:56:02,395 INFO L93 Difference]: Finished difference Result 1211 states and 1763 transitions. [2020-11-29 23:56:02,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:56:02,396 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 89 [2020-11-29 23:56:02,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:56:02,403 INFO L225 Difference]: With dead ends: 1211 [2020-11-29 23:56:02,403 INFO L226 Difference]: Without dead ends: 800 [2020-11-29 23:56:02,406 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 [2020-11-29 23:56:02,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2020-11-29 23:56:02,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 789. [2020-11-29 23:56:02,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2020-11-29 23:56:02,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1083 transitions. [2020-11-29 23:56:02,467 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1083 transitions. Word has length 89 [2020-11-29 23:56:02,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:56:02,467 INFO L481 AbstractCegarLoop]: Abstraction has 789 states and 1083 transitions. [2020-11-29 23:56:02,468 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:56:02,468 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1083 transitions. [2020-11-29 23:56:02,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-11-29 23:56:02,470 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:56:02,470 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-29 23:56:02,470 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 23:56:02,470 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:56:02,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:56:02,471 INFO L82 PathProgramCache]: Analyzing trace with hash -819036685, now seen corresponding path program 1 times [2020-11-29 23:56:02,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:56:02,471 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953430921] [2020-11-29 23:56:02,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:56:02,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:02,720 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:56:02,721 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953430921] [2020-11-29 23:56:02,721 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:56:02,721 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 23:56:02,722 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116539881] [2020-11-29 23:56:02,723 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:56:02,723 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:56:02,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:56:02,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:56:02,735 INFO L87 Difference]: Start difference. First operand 789 states and 1083 transitions. Second operand 3 states. [2020-11-29 23:56:03,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:56:03,945 INFO L93 Difference]: Finished difference Result 2316 states and 3182 transitions. [2020-11-29 23:56:03,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:56:03,946 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 91 [2020-11-29 23:56:03,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:56:03,955 INFO L225 Difference]: With dead ends: 2316 [2020-11-29 23:56:03,955 INFO L226 Difference]: Without dead ends: 1529 [2020-11-29 23:56:03,957 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 [2020-11-29 23:56:03,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1529 states. [2020-11-29 23:56:03,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1529 to 1526. [2020-11-29 23:56:03,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1526 states. [2020-11-29 23:56:03,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1526 states and 1857 transitions. [2020-11-29 23:56:03,996 INFO L78 Accepts]: Start accepts. Automaton has 1526 states and 1857 transitions. Word has length 91 [2020-11-29 23:56:03,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:56:03,997 INFO L481 AbstractCegarLoop]: Abstraction has 1526 states and 1857 transitions. [2020-11-29 23:56:03,997 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:56:03,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1857 transitions. [2020-11-29 23:56:04,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-11-29 23:56:04,000 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:56:04,001 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-29 23:56:04,001 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 23:56:04,001 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:56:04,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:56:04,002 INFO L82 PathProgramCache]: Analyzing trace with hash 2087245717, now seen corresponding path program 1 times [2020-11-29 23:56:04,002 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:56:04,002 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916050478] [2020-11-29 23:56:04,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:56:04,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:04,173 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:56:04,173 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916050478] [2020-11-29 23:56:04,174 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:56:04,174 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:56:04,174 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227722773] [2020-11-29 23:56:04,175 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 23:56:04,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:56:04,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 23:56:04,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 23:56:04,176 INFO L87 Difference]: Start difference. First operand 1526 states and 1857 transitions. Second operand 4 states. [2020-11-29 23:56:06,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:56:06,354 INFO L93 Difference]: Finished difference Result 4184 states and 5341 transitions. [2020-11-29 23:56:06,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 23:56:06,355 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2020-11-29 23:56:06,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:56:06,371 INFO L225 Difference]: With dead ends: 4184 [2020-11-29 23:56:06,371 INFO L226 Difference]: Without dead ends: 2844 [2020-11-29 23:56:06,374 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 [2020-11-29 23:56:06,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2844 states. [2020-11-29 23:56:06,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2844 to 2843. [2020-11-29 23:56:06,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2843 states. [2020-11-29 23:56:06,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2843 states to 2843 states and 3570 transitions. [2020-11-29 23:56:06,441 INFO L78 Accepts]: Start accepts. Automaton has 2843 states and 3570 transitions. Word has length 148 [2020-11-29 23:56:06,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:56:06,442 INFO L481 AbstractCegarLoop]: Abstraction has 2843 states and 3570 transitions. [2020-11-29 23:56:06,442 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 23:56:06,442 INFO L276 IsEmpty]: Start isEmpty. Operand 2843 states and 3570 transitions. [2020-11-29 23:56:06,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-11-29 23:56:06,447 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:56:06,447 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:56:06,447 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 23:56:06,447 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:56:06,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:56:06,448 INFO L82 PathProgramCache]: Analyzing trace with hash -472876876, now seen corresponding path program 1 times [2020-11-29 23:56:06,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:56:06,449 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39202778] [2020-11-29 23:56:06,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:56:06,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:06,662 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-11-29 23:56:06,663 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39202778] [2020-11-29 23:56:06,663 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:56:06,663 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:56:06,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858415338] [2020-11-29 23:56:06,664 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:56:06,664 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:56:06,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:56:06,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:56:06,665 INFO L87 Difference]: Start difference. First operand 2843 states and 3570 transitions. Second operand 3 states. [2020-11-29 23:56:08,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:56:08,012 INFO L93 Difference]: Finished difference Result 5864 states and 7528 transitions. [2020-11-29 23:56:08,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:56:08,013 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 203 [2020-11-29 23:56:08,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:56:08,035 INFO L225 Difference]: With dead ends: 5864 [2020-11-29 23:56:08,035 INFO L226 Difference]: Without dead ends: 3580 [2020-11-29 23:56:08,039 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 [2020-11-29 23:56:08,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3580 states. [2020-11-29 23:56:08,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3580 to 3580. [2020-11-29 23:56:08,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3580 states. [2020-11-29 23:56:08,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3580 states to 3580 states and 4528 transitions. [2020-11-29 23:56:08,149 INFO L78 Accepts]: Start accepts. Automaton has 3580 states and 4528 transitions. Word has length 203 [2020-11-29 23:56:08,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:56:08,150 INFO L481 AbstractCegarLoop]: Abstraction has 3580 states and 4528 transitions. [2020-11-29 23:56:08,150 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:56:08,150 INFO L276 IsEmpty]: Start isEmpty. Operand 3580 states and 4528 transitions. [2020-11-29 23:56:08,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-11-29 23:56:08,154 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:56:08,155 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:56:08,155 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 23:56:08,155 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:56:08,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:56:08,156 INFO L82 PathProgramCache]: Analyzing trace with hash -396357227, now seen corresponding path program 1 times [2020-11-29 23:56:08,156 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:56:08,156 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497380803] [2020-11-29 23:56:08,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:56:08,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:08,351 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-11-29 23:56:08,351 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497380803] [2020-11-29 23:56:08,353 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:56:08,353 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:56:08,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441262043] [2020-11-29 23:56:08,354 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:56:08,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:56:08,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:56:08,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:56:08,356 INFO L87 Difference]: Start difference. First operand 3580 states and 4528 transitions. Second operand 3 states. [2020-11-29 23:56:09,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:56:09,896 INFO L93 Difference]: Finished difference Result 8269 states and 10652 transitions. [2020-11-29 23:56:09,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:56:09,897 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 214 [2020-11-29 23:56:09,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:56:09,927 INFO L225 Difference]: With dead ends: 8269 [2020-11-29 23:56:09,927 INFO L226 Difference]: Without dead ends: 4875 [2020-11-29 23:56:09,932 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 [2020-11-29 23:56:09,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4875 states. [2020-11-29 23:56:10,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4875 to 4867. [2020-11-29 23:56:10,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4867 states. [2020-11-29 23:56:10,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4867 states to 4867 states and 6025 transitions. [2020-11-29 23:56:10,088 INFO L78 Accepts]: Start accepts. Automaton has 4867 states and 6025 transitions. Word has length 214 [2020-11-29 23:56:10,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:56:10,092 INFO L481 AbstractCegarLoop]: Abstraction has 4867 states and 6025 transitions. [2020-11-29 23:56:10,093 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:56:10,093 INFO L276 IsEmpty]: Start isEmpty. Operand 4867 states and 6025 transitions. [2020-11-29 23:56:10,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-11-29 23:56:10,097 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:56:10,098 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:56:10,098 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 23:56:10,098 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:56:10,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:56:10,099 INFO L82 PathProgramCache]: Analyzing trace with hash -1335995950, now seen corresponding path program 1 times [2020-11-29 23:56:10,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:56:10,100 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054036195] [2020-11-29 23:56:10,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:56:10,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:10,266 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2020-11-29 23:56:10,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054036195] [2020-11-29 23:56:10,268 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:56:10,268 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:56:10,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444907495] [2020-11-29 23:56:10,269 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:56:10,270 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:56:10,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:56:10,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:56:10,271 INFO L87 Difference]: Start difference. First operand 4867 states and 6025 transitions. Second operand 3 states. [2020-11-29 23:56:11,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:56:11,509 INFO L93 Difference]: Finished difference Result 10667 states and 13468 transitions. [2020-11-29 23:56:11,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:56:11,510 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 215 [2020-11-29 23:56:11,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:56:11,545 INFO L225 Difference]: With dead ends: 10667 [2020-11-29 23:56:11,545 INFO L226 Difference]: Without dead ends: 6170 [2020-11-29 23:56:11,552 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 [2020-11-29 23:56:11,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6170 states. [2020-11-29 23:56:11,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6170 to 6156. [2020-11-29 23:56:11,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6156 states. [2020-11-29 23:56:11,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6156 states to 6156 states and 7512 transitions. [2020-11-29 23:56:11,698 INFO L78 Accepts]: Start accepts. Automaton has 6156 states and 7512 transitions. Word has length 215 [2020-11-29 23:56:11,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:56:11,699 INFO L481 AbstractCegarLoop]: Abstraction has 6156 states and 7512 transitions. [2020-11-29 23:56:11,699 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:56:11,700 INFO L276 IsEmpty]: Start isEmpty. Operand 6156 states and 7512 transitions. [2020-11-29 23:56:11,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2020-11-29 23:56:11,705 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:56:11,706 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:56:11,706 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 23:56:11,706 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:56:11,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:56:11,707 INFO L82 PathProgramCache]: Analyzing trace with hash 601272123, now seen corresponding path program 1 times [2020-11-29 23:56:11,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:56:11,708 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005763576] [2020-11-29 23:56:11,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:56:11,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:11,949 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2020-11-29 23:56:11,949 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005763576] [2020-11-29 23:56:11,949 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:56:11,950 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:56:11,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668205878] [2020-11-29 23:56:11,950 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:56:11,951 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:56:11,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:56:11,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:56:11,951 INFO L87 Difference]: Start difference. First operand 6156 states and 7512 transitions. Second operand 3 states. [2020-11-29 23:56:13,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:56:13,122 INFO L93 Difference]: Finished difference Result 13791 states and 17137 transitions. [2020-11-29 23:56:13,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:56:13,132 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 252 [2020-11-29 23:56:13,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:56:13,177 INFO L225 Difference]: With dead ends: 13791 [2020-11-29 23:56:13,177 INFO L226 Difference]: Without dead ends: 8004 [2020-11-29 23:56:13,184 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 [2020-11-29 23:56:13,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8004 states. [2020-11-29 23:56:13,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8004 to 7628. [2020-11-29 23:56:13,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7628 states. [2020-11-29 23:56:13,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7628 states to 7628 states and 9146 transitions. [2020-11-29 23:56:13,338 INFO L78 Accepts]: Start accepts. Automaton has 7628 states and 9146 transitions. Word has length 252 [2020-11-29 23:56:13,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:56:13,339 INFO L481 AbstractCegarLoop]: Abstraction has 7628 states and 9146 transitions. [2020-11-29 23:56:13,339 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:56:13,339 INFO L276 IsEmpty]: Start isEmpty. Operand 7628 states and 9146 transitions. [2020-11-29 23:56:13,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2020-11-29 23:56:13,347 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:56:13,348 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-29 23:56:13,348 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 23:56:13,348 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:56:13,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:56:13,349 INFO L82 PathProgramCache]: Analyzing trace with hash -2070679903, now seen corresponding path program 1 times [2020-11-29 23:56:13,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:56:13,349 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416923258] [2020-11-29 23:56:13,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:56:13,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:13,604 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 210 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-11-29 23:56:13,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416923258] [2020-11-29 23:56:13,604 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:56:13,605 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:56:13,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299516810] [2020-11-29 23:56:13,606 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:56:13,610 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:56:13,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:56:13,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:56:13,612 INFO L87 Difference]: Start difference. First operand 7628 states and 9146 transitions. Second operand 3 states. [2020-11-29 23:56:14,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:56:14,957 INFO L93 Difference]: Finished difference Result 16722 states and 20234 transitions. [2020-11-29 23:56:14,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:56:14,958 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 288 [2020-11-29 23:56:14,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:56:14,978 INFO L225 Difference]: With dead ends: 16722 [2020-11-29 23:56:14,978 INFO L226 Difference]: Without dead ends: 9464 [2020-11-29 23:56:14,987 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 [2020-11-29 23:56:14,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9464 states. [2020-11-29 23:56:15,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9464 to 7802. [2020-11-29 23:56:15,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7802 states. [2020-11-29 23:56:15,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7802 states to 7802 states and 9044 transitions. [2020-11-29 23:56:15,124 INFO L78 Accepts]: Start accepts. Automaton has 7802 states and 9044 transitions. Word has length 288 [2020-11-29 23:56:15,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:56:15,125 INFO L481 AbstractCegarLoop]: Abstraction has 7802 states and 9044 transitions. [2020-11-29 23:56:15,125 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:56:15,125 INFO L276 IsEmpty]: Start isEmpty. Operand 7802 states and 9044 transitions. [2020-11-29 23:56:15,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2020-11-29 23:56:15,134 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:56:15,135 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:56:15,135 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-29 23:56:15,135 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:56:15,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:56:15,136 INFO L82 PathProgramCache]: Analyzing trace with hash -1334707912, now seen corresponding path program 1 times [2020-11-29 23:56:15,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:56:15,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100084828] [2020-11-29 23:56:15,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:56:15,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:15,405 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2020-11-29 23:56:15,405 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100084828] [2020-11-29 23:56:15,405 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:56:15,405 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:56:15,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157423257] [2020-11-29 23:56:15,406 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:56:15,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:56:15,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:56:15,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:56:15,407 INFO L87 Difference]: Start difference. First operand 7802 states and 9044 transitions. Second operand 3 states. [2020-11-29 23:56:16,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:56:16,671 INFO L93 Difference]: Finished difference Result 19492 states and 22814 transitions. [2020-11-29 23:56:16,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:56:16,673 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 303 [2020-11-29 23:56:16,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:56:16,696 INFO L225 Difference]: With dead ends: 19492 [2020-11-29 23:56:16,696 INFO L226 Difference]: Without dead ends: 12059 [2020-11-29 23:56:16,706 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 [2020-11-29 23:56:16,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12059 states. [2020-11-29 23:56:16,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12059 to 11872. [2020-11-29 23:56:16,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11872 states. [2020-11-29 23:56:16,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11872 states to 11872 states and 13707 transitions. [2020-11-29 23:56:16,948 INFO L78 Accepts]: Start accepts. Automaton has 11872 states and 13707 transitions. Word has length 303 [2020-11-29 23:56:16,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:56:16,949 INFO L481 AbstractCegarLoop]: Abstraction has 11872 states and 13707 transitions. [2020-11-29 23:56:16,949 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:56:16,950 INFO L276 IsEmpty]: Start isEmpty. Operand 11872 states and 13707 transitions. [2020-11-29 23:56:16,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2020-11-29 23:56:16,965 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:56:16,965 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:56:16,965 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-29 23:56:16,966 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:56:16,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:56:16,966 INFO L82 PathProgramCache]: Analyzing trace with hash 272906750, now seen corresponding path program 1 times [2020-11-29 23:56:16,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:56:16,967 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693424917] [2020-11-29 23:56:16,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:56:17,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:17,278 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 227 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-11-29 23:56:17,278 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693424917] [2020-11-29 23:56:17,279 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:56:17,279 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:56:17,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630516986] [2020-11-29 23:56:17,279 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:56:17,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:56:17,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:56:17,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:56:17,281 INFO L87 Difference]: Start difference. First operand 11872 states and 13707 transitions. Second operand 3 states. [2020-11-29 23:56:18,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:56:18,517 INFO L93 Difference]: Finished difference Result 23743 states and 27595 transitions. [2020-11-29 23:56:18,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:56:18,524 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 332 [2020-11-29 23:56:18,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:56:18,552 INFO L225 Difference]: With dead ends: 23743 [2020-11-29 23:56:18,552 INFO L226 Difference]: Without dead ends: 13537 [2020-11-29 23:56:18,565 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 [2020-11-29 23:56:18,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13537 states. [2020-11-29 23:56:18,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13537 to 13349. [2020-11-29 23:56:18,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13349 states. [2020-11-29 23:56:18,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13349 states to 13349 states and 15311 transitions. [2020-11-29 23:56:18,863 INFO L78 Accepts]: Start accepts. Automaton has 13349 states and 15311 transitions. Word has length 332 [2020-11-29 23:56:18,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:56:18,864 INFO L481 AbstractCegarLoop]: Abstraction has 13349 states and 15311 transitions. [2020-11-29 23:56:18,865 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:56:18,865 INFO L276 IsEmpty]: Start isEmpty. Operand 13349 states and 15311 transitions. [2020-11-29 23:56:18,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2020-11-29 23:56:18,883 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:56:18,883 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:56:18,884 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-29 23:56:18,884 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:56:18,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:56:18,885 INFO L82 PathProgramCache]: Analyzing trace with hash -1312147058, now seen corresponding path program 1 times [2020-11-29 23:56:18,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:56:18,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382192981] [2020-11-29 23:56:18,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:56:18,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:19,198 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2020-11-29 23:56:19,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382192981] [2020-11-29 23:56:19,200 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:56:19,204 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:56:19,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564025394] [2020-11-29 23:56:19,205 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:56:19,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:56:19,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:56:19,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:56:19,206 INFO L87 Difference]: Start difference. First operand 13349 states and 15311 transitions. Second operand 3 states. [2020-11-29 23:56:20,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:56:20,625 INFO L93 Difference]: Finished difference Result 28538 states and 32762 transitions. [2020-11-29 23:56:20,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:56:20,626 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 346 [2020-11-29 23:56:20,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:56:20,656 INFO L225 Difference]: With dead ends: 28538 [2020-11-29 23:56:20,656 INFO L226 Difference]: Without dead ends: 15559 [2020-11-29 23:56:20,672 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 [2020-11-29 23:56:20,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15559 states. [2020-11-29 23:56:20,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15559 to 12405. [2020-11-29 23:56:20,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12405 states. [2020-11-29 23:56:20,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12405 states to 12405 states and 14143 transitions. [2020-11-29 23:56:20,996 INFO L78 Accepts]: Start accepts. Automaton has 12405 states and 14143 transitions. Word has length 346 [2020-11-29 23:56:20,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:56:20,997 INFO L481 AbstractCegarLoop]: Abstraction has 12405 states and 14143 transitions. [2020-11-29 23:56:20,997 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:56:20,998 INFO L276 IsEmpty]: Start isEmpty. Operand 12405 states and 14143 transitions. [2020-11-29 23:56:21,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2020-11-29 23:56:21,028 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:56:21,028 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:56:21,028 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-29 23:56:21,029 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:56:21,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:56:21,029 INFO L82 PathProgramCache]: Analyzing trace with hash 1383805559, now seen corresponding path program 1 times [2020-11-29 23:56:21,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:56:21,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574446362] [2020-11-29 23:56:21,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:56:21,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:21,550 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 400 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2020-11-29 23:56:21,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574446362] [2020-11-29 23:56:21,551 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:56:21,551 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:56:21,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822449300] [2020-11-29 23:56:21,552 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:56:21,552 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:56:21,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:56:21,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:56:21,553 INFO L87 Difference]: Start difference. First operand 12405 states and 14143 transitions. Second operand 3 states. [2020-11-29 23:56:22,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:56:22,732 INFO L93 Difference]: Finished difference Result 25374 states and 28949 transitions. [2020-11-29 23:56:22,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:56:22,733 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 480 [2020-11-29 23:56:22,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:56:22,758 INFO L225 Difference]: With dead ends: 25374 [2020-11-29 23:56:22,758 INFO L226 Difference]: Without dead ends: 14447 [2020-11-29 23:56:22,771 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 [2020-11-29 23:56:22,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14447 states. [2020-11-29 23:56:22,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14447 to 14245. [2020-11-29 23:56:22,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14245 states. [2020-11-29 23:56:22,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14245 states to 14245 states and 15997 transitions. [2020-11-29 23:56:22,978 INFO L78 Accepts]: Start accepts. Automaton has 14245 states and 15997 transitions. Word has length 480 [2020-11-29 23:56:22,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:56:22,979 INFO L481 AbstractCegarLoop]: Abstraction has 14245 states and 15997 transitions. [2020-11-29 23:56:22,979 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:56:22,979 INFO L276 IsEmpty]: Start isEmpty. Operand 14245 states and 15997 transitions. [2020-11-29 23:56:23,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2020-11-29 23:56:23,003 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:56:23,004 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2020-11-29 23:56:23,004 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-29 23:56:23,004 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:56:23,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:56:23,005 INFO L82 PathProgramCache]: Analyzing trace with hash 1268660986, now seen corresponding path program 1 times [2020-11-29 23:56:23,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:56:23,011 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504224996] [2020-11-29 23:56:23,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:56:23,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:23,389 INFO L134 CoverageAnalysis]: Checked inductivity of 673 backedges. 504 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2020-11-29 23:56:23,390 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504224996] [2020-11-29 23:56:23,390 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:56:23,390 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:56:23,390 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528372110] [2020-11-29 23:56:23,391 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:56:23,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:56:23,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:56:23,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:56:23,392 INFO L87 Difference]: Start difference. First operand 14245 states and 15997 transitions. Second operand 3 states. [2020-11-29 23:56:24,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:56:24,552 INFO L93 Difference]: Finished difference Result 33111 states and 37286 transitions. [2020-11-29 23:56:24,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:56:24,555 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 481 [2020-11-29 23:56:24,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:56:24,576 INFO L225 Difference]: With dead ends: 33111 [2020-11-29 23:56:24,577 INFO L226 Difference]: Without dead ends: 19604 [2020-11-29 23:56:24,584 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 [2020-11-29 23:56:24,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19604 states. [2020-11-29 23:56:24,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19604 to 19418. [2020-11-29 23:56:24,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19418 states. [2020-11-29 23:56:24,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19418 states to 19418 states and 21638 transitions. [2020-11-29 23:56:24,976 INFO L78 Accepts]: Start accepts. Automaton has 19418 states and 21638 transitions. Word has length 481 [2020-11-29 23:56:24,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:56:24,977 INFO L481 AbstractCegarLoop]: Abstraction has 19418 states and 21638 transitions. [2020-11-29 23:56:24,977 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:56:24,977 INFO L276 IsEmpty]: Start isEmpty. Operand 19418 states and 21638 transitions. [2020-11-29 23:56:25,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 492 [2020-11-29 23:56:25,007 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:56:25,008 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:56:25,008 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-29 23:56:25,008 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:56:25,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:56:25,009 INFO L82 PathProgramCache]: Analyzing trace with hash -867583405, now seen corresponding path program 1 times [2020-11-29 23:56:25,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:56:25,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980752517] [2020-11-29 23:56:25,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:56:25,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:25,693 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 156 proven. 406 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2020-11-29 23:56:25,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980752517] [2020-11-29 23:56:25,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1347882555] [2020-11-29 23:56:25,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_57fd101c-c851-406b-b819-ea671befc96e/bin/uautomizer/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 [2020-11-29 23:56:25,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:25,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 675 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 23:56:25,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:56:25,999 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 23:56:26,013 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 23:56:26,130 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 23:56:29,197 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 593 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-11-29 23:56:29,198 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 23:56:29,198 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-11-29 23:56:29,199 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387272785] [2020-11-29 23:56:29,200 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 23:56:29,200 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:56:29,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 23:56:29,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-11-29 23:56:29,201 INFO L87 Difference]: Start difference. First operand 19418 states and 21638 transitions. Second operand 4 states. [2020-11-29 23:56:32,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:56:32,344 INFO L93 Difference]: Finished difference Result 41613 states and 46595 transitions. [2020-11-29 23:56:32,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 23:56:32,345 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 491 [2020-11-29 23:56:32,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:56:32,389 INFO L225 Difference]: With dead ends: 41613 [2020-11-29 23:56:32,390 INFO L226 Difference]: Without dead ends: 23857 [2020-11-29 23:56:32,402 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 495 GetRequests, 489 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-11-29 23:56:32,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23857 states. [2020-11-29 23:56:32,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23857 to 18866. [2020-11-29 23:56:32,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18866 states. [2020-11-29 23:56:32,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18866 states to 18866 states and 21016 transitions. [2020-11-29 23:56:32,825 INFO L78 Accepts]: Start accepts. Automaton has 18866 states and 21016 transitions. Word has length 491 [2020-11-29 23:56:32,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:56:32,825 INFO L481 AbstractCegarLoop]: Abstraction has 18866 states and 21016 transitions. [2020-11-29 23:56:32,825 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 23:56:32,826 INFO L276 IsEmpty]: Start isEmpty. Operand 18866 states and 21016 transitions. [2020-11-29 23:56:32,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 499 [2020-11-29 23:56:32,856 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:56:32,857 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:56:33,083 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-11-29 23:56:33,083 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:56:33,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:56:33,083 INFO L82 PathProgramCache]: Analyzing trace with hash -1121901610, now seen corresponding path program 1 times [2020-11-29 23:56:33,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:56:33,084 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351410311] [2020-11-29 23:56:33,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:56:33,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:33,586 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 416 proven. 0 refuted. 0 times theorem prover too weak. 313 trivial. 0 not checked. [2020-11-29 23:56:33,586 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351410311] [2020-11-29 23:56:33,587 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:56:33,587 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:56:33,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226464053] [2020-11-29 23:56:33,588 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:56:33,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:56:33,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:56:33,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:56:33,589 INFO L87 Difference]: Start difference. First operand 18866 states and 21016 transitions. Second operand 3 states. [2020-11-29 23:56:34,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:56:34,973 INFO L93 Difference]: Finished difference Result 36621 states and 40883 transitions. [2020-11-29 23:56:34,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:56:34,974 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 498 [2020-11-29 23:56:34,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:56:34,999 INFO L225 Difference]: With dead ends: 36621 [2020-11-29 23:56:34,999 INFO L226 Difference]: Without dead ends: 20153 [2020-11-29 23:56:35,010 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 [2020-11-29 23:56:35,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20153 states. [2020-11-29 23:56:35,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20153 to 18861. [2020-11-29 23:56:35,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18861 states. [2020-11-29 23:56:35,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18861 states to 18861 states and 20970 transitions. [2020-11-29 23:56:35,304 INFO L78 Accepts]: Start accepts. Automaton has 18861 states and 20970 transitions. Word has length 498 [2020-11-29 23:56:35,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:56:35,305 INFO L481 AbstractCegarLoop]: Abstraction has 18861 states and 20970 transitions. [2020-11-29 23:56:35,306 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:56:35,306 INFO L276 IsEmpty]: Start isEmpty. Operand 18861 states and 20970 transitions. [2020-11-29 23:56:35,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2020-11-29 23:56:35,331 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:56:35,332 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:56:35,332 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-11-29 23:56:35,332 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:56:35,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:56:35,333 INFO L82 PathProgramCache]: Analyzing trace with hash 2083843575, now seen corresponding path program 1 times [2020-11-29 23:56:35,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:56:35,333 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253140934] [2020-11-29 23:56:35,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:56:35,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:35,724 INFO L134 CoverageAnalysis]: Checked inductivity of 810 backedges. 641 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2020-11-29 23:56:35,724 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253140934] [2020-11-29 23:56:35,724 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:56:35,725 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:56:35,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763669223] [2020-11-29 23:56:35,726 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:56:35,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:56:35,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:56:35,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:56:35,727 INFO L87 Difference]: Start difference. First operand 18861 states and 20970 transitions. Second operand 3 states. [2020-11-29 23:56:37,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:56:37,030 INFO L93 Difference]: Finished difference Result 40117 states and 44672 transitions. [2020-11-29 23:56:37,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:56:37,031 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 533 [2020-11-29 23:56:37,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:56:37,061 INFO L225 Difference]: With dead ends: 40117 [2020-11-29 23:56:37,062 INFO L226 Difference]: Without dead ends: 22362 [2020-11-29 23:56:37,075 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 [2020-11-29 23:56:37,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22362 states. [2020-11-29 23:56:37,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22362 to 19759. [2020-11-29 23:56:37,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19759 states. [2020-11-29 23:56:37,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19759 states to 19759 states and 21920 transitions. [2020-11-29 23:56:37,507 INFO L78 Accepts]: Start accepts. Automaton has 19759 states and 21920 transitions. Word has length 533 [2020-11-29 23:56:37,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:56:37,507 INFO L481 AbstractCegarLoop]: Abstraction has 19759 states and 21920 transitions. [2020-11-29 23:56:37,507 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:56:37,507 INFO L276 IsEmpty]: Start isEmpty. Operand 19759 states and 21920 transitions. [2020-11-29 23:56:37,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 588 [2020-11-29 23:56:37,530 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:56:37,531 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:56:37,531 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-11-29 23:56:37,532 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:56:37,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:56:37,532 INFO L82 PathProgramCache]: Analyzing trace with hash 1395601861, now seen corresponding path program 1 times [2020-11-29 23:56:37,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:56:37,533 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888238096] [2020-11-29 23:56:37,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:56:37,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:38,162 INFO L134 CoverageAnalysis]: Checked inductivity of 1091 backedges. 817 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2020-11-29 23:56:38,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888238096] [2020-11-29 23:56:38,162 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:56:38,163 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:56:38,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391504345] [2020-11-29 23:56:38,163 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:56:38,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:56:38,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:56:38,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:56:38,164 INFO L87 Difference]: Start difference. First operand 19759 states and 21920 transitions. Second operand 3 states. [2020-11-29 23:56:39,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:56:39,409 INFO L93 Difference]: Finished difference Result 38790 states and 43046 transitions. [2020-11-29 23:56:39,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:56:39,410 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 587 [2020-11-29 23:56:39,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:56:39,438 INFO L225 Difference]: With dead ends: 38790 [2020-11-29 23:56:39,438 INFO L226 Difference]: Without dead ends: 21797 [2020-11-29 23:56:39,449 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 [2020-11-29 23:56:39,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21797 states. [2020-11-29 23:56:39,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21797 to 19575. [2020-11-29 23:56:39,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19575 states. [2020-11-29 23:56:39,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19575 states to 19575 states and 21719 transitions. [2020-11-29 23:56:39,751 INFO L78 Accepts]: Start accepts. Automaton has 19575 states and 21719 transitions. Word has length 587 [2020-11-29 23:56:39,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:56:39,751 INFO L481 AbstractCegarLoop]: Abstraction has 19575 states and 21719 transitions. [2020-11-29 23:56:39,751 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:56:39,752 INFO L276 IsEmpty]: Start isEmpty. Operand 19575 states and 21719 transitions. [2020-11-29 23:56:39,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2020-11-29 23:56:39,878 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:56:39,878 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:56:39,879 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-11-29 23:56:39,879 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:56:39,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:56:39,879 INFO L82 PathProgramCache]: Analyzing trace with hash -653533195, now seen corresponding path program 1 times [2020-11-29 23:56:39,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:56:39,880 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257506776] [2020-11-29 23:56:39,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:56:39,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:40,549 INFO L134 CoverageAnalysis]: Checked inductivity of 1120 backedges. 720 proven. 0 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2020-11-29 23:56:40,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257506776] [2020-11-29 23:56:40,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:56:40,550 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 23:56:40,550 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120494963] [2020-11-29 23:56:40,551 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 23:56:40,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:56:40,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 23:56:40,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 23:56:40,552 INFO L87 Difference]: Start difference. First operand 19575 states and 21719 transitions. Second operand 4 states. [2020-11-29 23:56:42,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:56:42,753 INFO L93 Difference]: Finished difference Result 44680 states and 49755 transitions. [2020-11-29 23:56:42,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 23:56:42,754 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 605 [2020-11-29 23:56:42,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:56:42,790 INFO L225 Difference]: With dead ends: 44680 [2020-11-29 23:56:42,790 INFO L226 Difference]: Without dead ends: 25475 [2020-11-29 23:56:42,799 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 23:56:42,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25475 states. [2020-11-29 23:56:43,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25475 to 21971. [2020-11-29 23:56:43,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21971 states. [2020-11-29 23:56:43,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21971 states to 21971 states and 24385 transitions. [2020-11-29 23:56:43,049 INFO L78 Accepts]: Start accepts. Automaton has 21971 states and 24385 transitions. Word has length 605 [2020-11-29 23:56:43,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:56:43,050 INFO L481 AbstractCegarLoop]: Abstraction has 21971 states and 24385 transitions. [2020-11-29 23:56:43,050 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 23:56:43,050 INFO L276 IsEmpty]: Start isEmpty. Operand 21971 states and 24385 transitions. [2020-11-29 23:56:43,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 668 [2020-11-29 23:56:43,071 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:56:43,072 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:56:43,072 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-11-29 23:56:43,072 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:56:43,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:56:43,073 INFO L82 PathProgramCache]: Analyzing trace with hash -1894625889, now seen corresponding path program 1 times [2020-11-29 23:56:43,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:56:43,073 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021019477] [2020-11-29 23:56:43,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:56:43,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:44,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 979 proven. 64 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2020-11-29 23:56:44,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021019477] [2020-11-29 23:56:44,278 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1762984375] [2020-11-29 23:56:44,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_57fd101c-c851-406b-b819-ea671befc96e/bin/uautomizer/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 [2020-11-29 23:56:44,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:44,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 875 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 23:56:44,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:56:44,826 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 1043 proven. 0 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2020-11-29 23:56:44,826 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 23:56:44,827 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-29 23:56:44,827 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410216076] [2020-11-29 23:56:44,828 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:56:44,828 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:56:44,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:56:44,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-29 23:56:44,829 INFO L87 Difference]: Start difference. First operand 21971 states and 24385 transitions. Second operand 3 states. [2020-11-29 23:56:45,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:56:45,999 INFO L93 Difference]: Finished difference Result 41927 states and 46544 transitions. [2020-11-29 23:56:46,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:56:46,000 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 667 [2020-11-29 23:56:46,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:56:46,020 INFO L225 Difference]: With dead ends: 41927 [2020-11-29 23:56:46,021 INFO L226 Difference]: Without dead ends: 22170 [2020-11-29 23:56:46,031 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 670 GetRequests, 666 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-29 23:56:46,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22170 states. [2020-11-29 23:56:46,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22170 to 20499. [2020-11-29 23:56:46,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20499 states. [2020-11-29 23:56:46,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20499 states to 20499 states and 22689 transitions. [2020-11-29 23:56:46,271 INFO L78 Accepts]: Start accepts. Automaton has 20499 states and 22689 transitions. Word has length 667 [2020-11-29 23:56:46,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:56:46,272 INFO L481 AbstractCegarLoop]: Abstraction has 20499 states and 22689 transitions. [2020-11-29 23:56:46,272 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:56:46,272 INFO L276 IsEmpty]: Start isEmpty. Operand 20499 states and 22689 transitions. [2020-11-29 23:56:46,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 722 [2020-11-29 23:56:46,296 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:56:46,297 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:56:46,510 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 23:56:46,511 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:56:46,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:56:46,511 INFO L82 PathProgramCache]: Analyzing trace with hash -494104747, now seen corresponding path program 1 times [2020-11-29 23:56:46,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:56:46,512 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756041208] [2020-11-29 23:56:46,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:56:46,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:47,381 INFO L134 CoverageAnalysis]: Checked inductivity of 1368 backedges. 1057 proven. 0 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2020-11-29 23:56:47,381 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756041208] [2020-11-29 23:56:47,381 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:56:47,381 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:56:47,382 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295299229] [2020-11-29 23:56:47,382 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:56:47,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:56:47,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:56:47,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:56:47,384 INFO L87 Difference]: Start difference. First operand 20499 states and 22689 transitions. Second operand 3 states. [2020-11-29 23:56:48,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:56:48,698 INFO L93 Difference]: Finished difference Result 42839 states and 47520 transitions. [2020-11-29 23:56:48,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:56:48,699 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 721 [2020-11-29 23:56:48,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:56:48,729 INFO L225 Difference]: With dead ends: 42839 [2020-11-29 23:56:48,729 INFO L226 Difference]: Without dead ends: 23078 [2020-11-29 23:56:48,742 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 [2020-11-29 23:56:48,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23078 states. [2020-11-29 23:56:48,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23078 to 20683. [2020-11-29 23:56:48,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20683 states. [2020-11-29 23:56:48,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20683 states to 20683 states and 22884 transitions. [2020-11-29 23:56:48,972 INFO L78 Accepts]: Start accepts. Automaton has 20683 states and 22884 transitions. Word has length 721 [2020-11-29 23:56:48,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:56:48,973 INFO L481 AbstractCegarLoop]: Abstraction has 20683 states and 22884 transitions. [2020-11-29 23:56:48,973 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:56:48,973 INFO L276 IsEmpty]: Start isEmpty. Operand 20683 states and 22884 transitions. [2020-11-29 23:56:48,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 813 [2020-11-29 23:56:48,990 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:56:48,991 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:56:48,991 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-11-29 23:56:48,992 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:56:48,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:56:48,993 INFO L82 PathProgramCache]: Analyzing trace with hash -682566760, now seen corresponding path program 1 times [2020-11-29 23:56:48,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:56:48,993 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617540033] [2020-11-29 23:56:48,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:56:49,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:49,930 INFO L134 CoverageAnalysis]: Checked inductivity of 1936 backedges. 1061 proven. 0 refuted. 0 times theorem prover too weak. 875 trivial. 0 not checked. [2020-11-29 23:56:49,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617540033] [2020-11-29 23:56:49,931 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:56:49,931 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 23:56:49,931 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289779204] [2020-11-29 23:56:49,932 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:56:49,932 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:56:49,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:56:49,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:56:49,933 INFO L87 Difference]: Start difference. First operand 20683 states and 22884 transitions. Second operand 3 states. [2020-11-29 23:56:50,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:56:50,608 INFO L93 Difference]: Finished difference Result 38967 states and 43166 transitions. [2020-11-29 23:56:50,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:56:50,611 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 812 [2020-11-29 23:56:50,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:56:50,628 INFO L225 Difference]: With dead ends: 38967 [2020-11-29 23:56:50,628 INFO L226 Difference]: Without dead ends: 20494 [2020-11-29 23:56:50,633 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 [2020-11-29 23:56:50,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20494 states. [2020-11-29 23:56:50,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20494 to 20491. [2020-11-29 23:56:50,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20491 states. [2020-11-29 23:56:50,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20491 states to 20491 states and 22664 transitions. [2020-11-29 23:56:50,851 INFO L78 Accepts]: Start accepts. Automaton has 20491 states and 22664 transitions. Word has length 812 [2020-11-29 23:56:50,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:56:50,852 INFO L481 AbstractCegarLoop]: Abstraction has 20491 states and 22664 transitions. [2020-11-29 23:56:50,852 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:56:50,852 INFO L276 IsEmpty]: Start isEmpty. Operand 20491 states and 22664 transitions. [2020-11-29 23:56:50,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 956 [2020-11-29 23:56:50,871 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:56:50,872 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:56:50,872 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-11-29 23:56:50,872 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:56:50,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:56:50,872 INFO L82 PathProgramCache]: Analyzing trace with hash 1301758168, now seen corresponding path program 1 times [2020-11-29 23:56:50,873 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:56:50,873 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843711099] [2020-11-29 23:56:50,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:56:50,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:51,816 INFO L134 CoverageAnalysis]: Checked inductivity of 3075 backedges. 2234 proven. 0 refuted. 0 times theorem prover too weak. 841 trivial. 0 not checked. [2020-11-29 23:56:51,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843711099] [2020-11-29 23:56:51,816 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:56:51,817 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 23:56:51,817 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511880358] [2020-11-29 23:56:51,818 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 23:56:51,818 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:56:51,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 23:56:51,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 23:56:51,819 INFO L87 Difference]: Start difference. First operand 20491 states and 22664 transitions. Second operand 4 states. [2020-11-29 23:56:53,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:56:53,868 INFO L93 Difference]: Finished difference Result 46153 states and 51093 transitions. [2020-11-29 23:56:53,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 23:56:53,869 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 955 [2020-11-29 23:56:53,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:56:53,896 INFO L225 Difference]: With dead ends: 46153 [2020-11-29 23:56:53,896 INFO L226 Difference]: Without dead ends: 27690 [2020-11-29 23:56:53,906 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 23:56:53,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27690 states. [2020-11-29 23:56:54,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27690 to 21425. [2020-11-29 23:56:54,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21425 states. [2020-11-29 23:56:54,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21425 states to 21425 states and 23625 transitions. [2020-11-29 23:56:54,158 INFO L78 Accepts]: Start accepts. Automaton has 21425 states and 23625 transitions. Word has length 955 [2020-11-29 23:56:54,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:56:54,159 INFO L481 AbstractCegarLoop]: Abstraction has 21425 states and 23625 transitions. [2020-11-29 23:56:54,159 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 23:56:54,159 INFO L276 IsEmpty]: Start isEmpty. Operand 21425 states and 23625 transitions. [2020-11-29 23:56:54,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 993 [2020-11-29 23:56:54,178 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:56:54,179 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:56:54,179 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-11-29 23:56:54,179 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:56:54,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:56:54,180 INFO L82 PathProgramCache]: Analyzing trace with hash -437384007, now seen corresponding path program 1 times [2020-11-29 23:56:54,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:56:54,180 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738239717] [2020-11-29 23:56:54,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:56:54,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:56,398 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1460 proven. 0 refuted. 0 times theorem prover too weak. 1660 trivial. 0 not checked. [2020-11-29 23:56:56,398 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738239717] [2020-11-29 23:56:56,399 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:56:56,399 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 23:56:56,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009803443] [2020-11-29 23:56:56,399 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-29 23:56:56,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:56:56,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-29 23:56:56,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-29 23:56:56,400 INFO L87 Difference]: Start difference. First operand 21425 states and 23625 transitions. Second operand 6 states. [2020-11-29 23:56:59,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:56:59,210 INFO L93 Difference]: Finished difference Result 45423 states and 50053 transitions. [2020-11-29 23:56:59,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-29 23:56:59,211 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 992 [2020-11-29 23:56:59,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:56:59,232 INFO L225 Difference]: With dead ends: 45423 [2020-11-29 23:56:59,233 INFO L226 Difference]: Without dead ends: 24552 [2020-11-29 23:56:59,243 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-11-29 23:56:59,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24552 states. [2020-11-29 23:56:59,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24552 to 21609. [2020-11-29 23:56:59,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21609 states. [2020-11-29 23:56:59,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21609 states to 21609 states and 23815 transitions. [2020-11-29 23:56:59,493 INFO L78 Accepts]: Start accepts. Automaton has 21609 states and 23815 transitions. Word has length 992 [2020-11-29 23:56:59,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:56:59,493 INFO L481 AbstractCegarLoop]: Abstraction has 21609 states and 23815 transitions. [2020-11-29 23:56:59,493 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-29 23:56:59,494 INFO L276 IsEmpty]: Start isEmpty. Operand 21609 states and 23815 transitions. [2020-11-29 23:56:59,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1003 [2020-11-29 23:56:59,521 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:56:59,522 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:56:59,522 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-11-29 23:56:59,523 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:56:59,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:56:59,523 INFO L82 PathProgramCache]: Analyzing trace with hash 1528495680, now seen corresponding path program 1 times [2020-11-29 23:56:59,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:56:59,524 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013218123] [2020-11-29 23:56:59,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:56:59,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:01,706 INFO L134 CoverageAnalysis]: Checked inductivity of 3167 backedges. 1499 proven. 8 refuted. 0 times theorem prover too weak. 1660 trivial. 0 not checked. [2020-11-29 23:57:01,706 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013218123] [2020-11-29 23:57:01,706 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1488148985] [2020-11-29 23:57:01,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_57fd101c-c851-406b-b819-ea671befc96e/bin/uautomizer/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 [2020-11-29 23:57:01,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:01,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 1291 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-29 23:57:01,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:57:02,020 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 23:57:02,029 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 23:57:02,033 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 23:57:03,440 INFO L134 CoverageAnalysis]: Checked inductivity of 3167 backedges. 1386 proven. 121 refuted. 0 times theorem prover too weak. 1660 trivial. 0 not checked. [2020-11-29 23:57:03,440 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 23:57:03,441 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3] total 8 [2020-11-29 23:57:03,441 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676259986] [2020-11-29 23:57:03,442 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-29 23:57:03,442 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:57:03,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-29 23:57:03,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-11-29 23:57:03,443 INFO L87 Difference]: Start difference. First operand 21609 states and 23815 transitions. Second operand 9 states. [2020-11-29 23:57:08,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:57:08,345 INFO L93 Difference]: Finished difference Result 44099 states and 48596 transitions. [2020-11-29 23:57:08,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-11-29 23:57:08,346 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1002 [2020-11-29 23:57:08,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:57:08,367 INFO L225 Difference]: With dead ends: 44099 [2020-11-29 23:57:08,367 INFO L226 Difference]: Without dead ends: 23044 [2020-11-29 23:57:08,377 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1023 GetRequests, 1000 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2020-11-29 23:57:08,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23044 states. [2020-11-29 23:57:08,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23044 to 21609. [2020-11-29 23:57:08,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21609 states. [2020-11-29 23:57:08,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21609 states to 21609 states and 23807 transitions. [2020-11-29 23:57:08,612 INFO L78 Accepts]: Start accepts. Automaton has 21609 states and 23807 transitions. Word has length 1002 [2020-11-29 23:57:08,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:57:08,613 INFO L481 AbstractCegarLoop]: Abstraction has 21609 states and 23807 transitions. [2020-11-29 23:57:08,613 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-29 23:57:08,613 INFO L276 IsEmpty]: Start isEmpty. Operand 21609 states and 23807 transitions. [2020-11-29 23:57:08,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1024 [2020-11-29 23:57:08,633 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:57:08,634 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2020-11-29 23:57:08,834 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2020-11-29 23:57:08,834 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:57:08,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:57:08,835 INFO L82 PathProgramCache]: Analyzing trace with hash 1380841104, now seen corresponding path program 1 times [2020-11-29 23:57:08,835 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:57:08,835 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120799115] [2020-11-29 23:57:08,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:57:08,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:09,954 INFO L134 CoverageAnalysis]: Checked inductivity of 3217 backedges. 1557 proven. 0 refuted. 0 times theorem prover too weak. 1660 trivial. 0 not checked. [2020-11-29 23:57:09,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120799115] [2020-11-29 23:57:09,954 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:57:09,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:57:09,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239362495] [2020-11-29 23:57:09,955 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 23:57:09,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:57:09,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 23:57:09,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 23:57:09,956 INFO L87 Difference]: Start difference. First operand 21609 states and 23807 transitions. Second operand 4 states. [2020-11-29 23:57:11,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:57:11,570 INFO L93 Difference]: Finished difference Result 43405 states and 47829 transitions. [2020-11-29 23:57:11,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 23:57:11,571 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1023 [2020-11-29 23:57:11,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:57:11,590 INFO L225 Difference]: With dead ends: 43405 [2020-11-29 23:57:11,590 INFO L226 Difference]: Without dead ends: 22350 [2020-11-29 23:57:11,599 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 [2020-11-29 23:57:11,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22350 states. [2020-11-29 23:57:11,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22350 to 21057. [2020-11-29 23:57:11,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21057 states. [2020-11-29 23:57:11,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21057 states to 21057 states and 23194 transitions. [2020-11-29 23:57:11,834 INFO L78 Accepts]: Start accepts. Automaton has 21057 states and 23194 transitions. Word has length 1023 [2020-11-29 23:57:11,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:57:11,835 INFO L481 AbstractCegarLoop]: Abstraction has 21057 states and 23194 transitions. [2020-11-29 23:57:11,835 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 23:57:11,835 INFO L276 IsEmpty]: Start isEmpty. Operand 21057 states and 23194 transitions. [2020-11-29 23:57:11,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1035 [2020-11-29 23:57:11,856 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:57:11,856 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2020-11-29 23:57:11,857 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-11-29 23:57:11,857 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:57:11,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:57:11,857 INFO L82 PathProgramCache]: Analyzing trace with hash -1252306838, now seen corresponding path program 1 times [2020-11-29 23:57:11,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:57:11,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627164123] [2020-11-29 23:57:11,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:57:11,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:12,797 INFO L134 CoverageAnalysis]: Checked inductivity of 3217 backedges. 1844 proven. 0 refuted. 0 times theorem prover too weak. 1373 trivial. 0 not checked. [2020-11-29 23:57:12,797 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627164123] [2020-11-29 23:57:12,797 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:57:12,797 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:57:12,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110307035] [2020-11-29 23:57:12,798 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:57:12,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:57:12,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:57:12,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:57:12,798 INFO L87 Difference]: Start difference. First operand 21057 states and 23194 transitions. Second operand 3 states. [2020-11-29 23:57:13,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:57:13,953 INFO L93 Difference]: Finished difference Result 41557 states and 45807 transitions. [2020-11-29 23:57:13,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:57:13,954 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1034 [2020-11-29 23:57:13,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:57:13,971 INFO L225 Difference]: With dead ends: 41557 [2020-11-29 23:57:13,971 INFO L226 Difference]: Without dead ends: 21054 [2020-11-29 23:57:13,979 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 [2020-11-29 23:57:13,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21054 states. [2020-11-29 23:57:14,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21054 to 20502. [2020-11-29 23:57:14,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20502 states. [2020-11-29 23:57:14,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20502 states to 20502 states and 22555 transitions. [2020-11-29 23:57:14,191 INFO L78 Accepts]: Start accepts. Automaton has 20502 states and 22555 transitions. Word has length 1034 [2020-11-29 23:57:14,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:57:14,191 INFO L481 AbstractCegarLoop]: Abstraction has 20502 states and 22555 transitions. [2020-11-29 23:57:14,191 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:57:14,192 INFO L276 IsEmpty]: Start isEmpty. Operand 20502 states and 22555 transitions. [2020-11-29 23:57:14,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1073 [2020-11-29 23:57:14,211 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:57:14,211 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-11-29 23:57:14,212 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-11-29 23:57:14,212 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:57:14,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:57:14,213 INFO L82 PathProgramCache]: Analyzing trace with hash 670920054, now seen corresponding path program 1 times [2020-11-29 23:57:14,213 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:57:14,213 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579521944] [2020-11-29 23:57:14,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:57:14,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:16,260 INFO L134 CoverageAnalysis]: Checked inductivity of 3778 backedges. 2002 proven. 151 refuted. 0 times theorem prover too weak. 1625 trivial. 0 not checked. [2020-11-29 23:57:16,260 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579521944] [2020-11-29 23:57:16,260 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1537189130] [2020-11-29 23:57:16,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_57fd101c-c851-406b-b819-ea671befc96e/bin/uautomizer/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 [2020-11-29 23:57:16,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:16,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 1390 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-29 23:57:16,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:57:17,667 INFO L134 CoverageAnalysis]: Checked inductivity of 3778 backedges. 2039 proven. 0 refuted. 0 times theorem prover too weak. 1739 trivial. 0 not checked. [2020-11-29 23:57:17,667 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 23:57:17,668 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2020-11-29 23:57:17,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137101482] [2020-11-29 23:57:17,669 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 23:57:17,669 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:57:17,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 23:57:17,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-11-29 23:57:17,669 INFO L87 Difference]: Start difference. First operand 20502 states and 22555 transitions. Second operand 4 states. [2020-11-29 23:57:19,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:57:19,055 INFO L93 Difference]: Finished difference Result 41371 states and 45485 transitions. [2020-11-29 23:57:19,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 23:57:19,056 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1072 [2020-11-29 23:57:19,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:57:19,074 INFO L225 Difference]: With dead ends: 41371 [2020-11-29 23:57:19,074 INFO L226 Difference]: Without dead ends: 20501 [2020-11-29 23:57:19,084 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1078 GetRequests, 1071 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-11-29 23:57:19,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20501 states. [2020-11-29 23:57:19,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20501 to 18108. [2020-11-29 23:57:19,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18108 states. [2020-11-29 23:57:19,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18108 states to 18108 states and 19746 transitions. [2020-11-29 23:57:19,309 INFO L78 Accepts]: Start accepts. Automaton has 18108 states and 19746 transitions. Word has length 1072 [2020-11-29 23:57:19,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:57:19,310 INFO L481 AbstractCegarLoop]: Abstraction has 18108 states and 19746 transitions. [2020-11-29 23:57:19,310 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 23:57:19,310 INFO L276 IsEmpty]: Start isEmpty. Operand 18108 states and 19746 transitions. [2020-11-29 23:57:19,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1097 [2020-11-29 23:57:19,337 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:57:19,337 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:57:19,550 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 23:57:19,551 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:57:19,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:57:19,551 INFO L82 PathProgramCache]: Analyzing trace with hash -1468150101, now seen corresponding path program 1 times [2020-11-29 23:57:19,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:57:19,552 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133547896] [2020-11-29 23:57:19,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:57:19,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:20,724 INFO L134 CoverageAnalysis]: Checked inductivity of 4071 backedges. 2485 proven. 0 refuted. 0 times theorem prover too weak. 1586 trivial. 0 not checked. [2020-11-29 23:57:20,724 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133547896] [2020-11-29 23:57:20,724 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:57:20,725 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:57:20,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404437778] [2020-11-29 23:57:20,726 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:57:20,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:57:20,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:57:20,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:57:20,727 INFO L87 Difference]: Start difference. First operand 18108 states and 19746 transitions. Second operand 3 states. [2020-11-29 23:57:21,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:57:21,867 INFO L93 Difference]: Finished difference Result 36950 states and 40298 transitions. [2020-11-29 23:57:21,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:57:21,868 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1096 [2020-11-29 23:57:21,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:57:21,882 INFO L225 Difference]: With dead ends: 36950 [2020-11-29 23:57:21,882 INFO L226 Difference]: Without dead ends: 19396 [2020-11-29 23:57:21,890 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 [2020-11-29 23:57:21,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19396 states. [2020-11-29 23:57:22,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19396 to 17363. [2020-11-29 23:57:22,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17363 states. [2020-11-29 23:57:22,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17363 states to 17363 states and 18920 transitions. [2020-11-29 23:57:22,089 INFO L78 Accepts]: Start accepts. Automaton has 17363 states and 18920 transitions. Word has length 1096 [2020-11-29 23:57:22,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:57:22,089 INFO L481 AbstractCegarLoop]: Abstraction has 17363 states and 18920 transitions. [2020-11-29 23:57:22,089 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:57:22,089 INFO L276 IsEmpty]: Start isEmpty. Operand 17363 states and 18920 transitions. [2020-11-29 23:57:22,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1100 [2020-11-29 23:57:22,109 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:57:22,110 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-11-29 23:57:22,110 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-11-29 23:57:22,110 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:57:22,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:57:22,111 INFO L82 PathProgramCache]: Analyzing trace with hash -1770452281, now seen corresponding path program 1 times [2020-11-29 23:57:22,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:57:22,111 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589623658] [2020-11-29 23:57:22,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:57:22,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:23,277 INFO L134 CoverageAnalysis]: Checked inductivity of 3945 backedges. 2896 proven. 0 refuted. 0 times theorem prover too weak. 1049 trivial. 0 not checked. [2020-11-29 23:57:23,278 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589623658] [2020-11-29 23:57:23,278 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:57:23,278 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 23:57:23,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370204025] [2020-11-29 23:57:23,279 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 23:57:23,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:57:23,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 23:57:23,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 23:57:23,280 INFO L87 Difference]: Start difference. First operand 17363 states and 18920 transitions. Second operand 4 states. [2020-11-29 23:57:25,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:57:25,271 INFO L93 Difference]: Finished difference Result 38788 states and 42272 transitions. [2020-11-29 23:57:25,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 23:57:25,272 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1099 [2020-11-29 23:57:25,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:57:25,292 INFO L225 Difference]: With dead ends: 38788 [2020-11-29 23:57:25,292 INFO L226 Difference]: Without dead ends: 21243 [2020-11-29 23:57:25,301 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 23:57:25,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21243 states. [2020-11-29 23:57:25,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21243 to 16071. [2020-11-29 23:57:25,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16071 states. [2020-11-29 23:57:25,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16071 states to 16071 states and 17523 transitions. [2020-11-29 23:57:25,506 INFO L78 Accepts]: Start accepts. Automaton has 16071 states and 17523 transitions. Word has length 1099 [2020-11-29 23:57:25,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:57:25,507 INFO L481 AbstractCegarLoop]: Abstraction has 16071 states and 17523 transitions. [2020-11-29 23:57:25,507 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 23:57:25,507 INFO L276 IsEmpty]: Start isEmpty. Operand 16071 states and 17523 transitions. [2020-11-29 23:57:25,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1247 [2020-11-29 23:57:25,528 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:57:25,529 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2020-11-29 23:57:25,529 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-11-29 23:57:25,529 INFO L429 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:57:25,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:57:25,529 INFO L82 PathProgramCache]: Analyzing trace with hash -1668232320, now seen corresponding path program 1 times [2020-11-29 23:57:25,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:57:25,530 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474586691] [2020-11-29 23:57:25,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:57:25,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:28,116 INFO L134 CoverageAnalysis]: Checked inductivity of 4962 backedges. 2695 proven. 969 refuted. 0 times theorem prover too weak. 1298 trivial. 0 not checked. [2020-11-29 23:57:28,116 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474586691] [2020-11-29 23:57:28,116 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1706665205] [2020-11-29 23:57:28,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_57fd101c-c851-406b-b819-ea671befc96e/bin/uautomizer/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 [2020-11-29 23:57:28,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:28,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 1592 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 23:57:28,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:57:29,410 INFO L134 CoverageAnalysis]: Checked inductivity of 4962 backedges. 2478 proven. 0 refuted. 0 times theorem prover too weak. 2484 trivial. 0 not checked. [2020-11-29 23:57:29,410 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 23:57:29,411 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2020-11-29 23:57:29,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947258830] [2020-11-29 23:57:29,412 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:57:29,412 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:57:29,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:57:29,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-29 23:57:29,413 INFO L87 Difference]: Start difference. First operand 16071 states and 17523 transitions. Second operand 3 states. [2020-11-29 23:57:30,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:57:30,465 INFO L93 Difference]: Finished difference Result 32522 states and 35478 transitions. [2020-11-29 23:57:30,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:57:30,466 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1246 [2020-11-29 23:57:30,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:57:30,480 INFO L225 Difference]: With dead ends: 32522 [2020-11-29 23:57:30,481 INFO L226 Difference]: Without dead ends: 17005 [2020-11-29 23:57:30,488 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1253 GetRequests, 1247 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-29 23:57:30,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17005 states. [2020-11-29 23:57:30,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17005 to 16633. [2020-11-29 23:57:30,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16633 states. [2020-11-29 23:57:30,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16633 states to 16633 states and 18105 transitions. [2020-11-29 23:57:30,672 INFO L78 Accepts]: Start accepts. Automaton has 16633 states and 18105 transitions. Word has length 1246 [2020-11-29 23:57:30,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:57:30,673 INFO L481 AbstractCegarLoop]: Abstraction has 16633 states and 18105 transitions. [2020-11-29 23:57:30,673 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:57:30,673 INFO L276 IsEmpty]: Start isEmpty. Operand 16633 states and 18105 transitions. [2020-11-29 23:57:30,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1287 [2020-11-29 23:57:30,777 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:57:30,778 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:57:30,978 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2020-11-29 23:57:30,978 INFO L429 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:57:30,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:57:30,979 INFO L82 PathProgramCache]: Analyzing trace with hash 239493040, now seen corresponding path program 1 times [2020-11-29 23:57:30,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:57:30,980 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185288095] [2020-11-29 23:57:30,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:57:31,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:32,342 INFO L134 CoverageAnalysis]: Checked inductivity of 5935 backedges. 3255 proven. 0 refuted. 0 times theorem prover too weak. 2680 trivial. 0 not checked. [2020-11-29 23:57:32,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185288095] [2020-11-29 23:57:32,342 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:57:32,343 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:57:32,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633593292] [2020-11-29 23:57:32,344 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:57:32,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:57:32,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:57:32,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:57:32,344 INFO L87 Difference]: Start difference. First operand 16633 states and 18105 transitions. Second operand 3 states. [2020-11-29 23:57:33,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:57:33,361 INFO L93 Difference]: Finished difference Result 26612 states and 28787 transitions. [2020-11-29 23:57:33,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:57:33,362 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1286 [2020-11-29 23:57:33,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:57:33,363 INFO L225 Difference]: With dead ends: 26612 [2020-11-29 23:57:33,363 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 23:57:33,370 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 [2020-11-29 23:57:33,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 23:57:33,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 23:57:33,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 23:57:33,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 23:57:33,371 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1286 [2020-11-29 23:57:33,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:57:33,372 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 23:57:33,372 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:57:33,372 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 23:57:33,372 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 23:57:33,372 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-11-29 23:57:33,374 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 23:57:36,545 WARN L193 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 1134 DAG size of output: 569 [2020-11-29 23:57:39,046 WARN L193 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 1134 DAG size of output: 569 [2020-11-29 23:57:44,420 WARN L193 SmtUtils]: Spent 5.37 s on a formula simplification. DAG size of input: 511 DAG size of output: 97 [2020-11-29 23:57:49,220 WARN L193 SmtUtils]: Spent 4.80 s on a formula simplification. DAG size of input: 511 DAG size of output: 97 [2020-11-29 23:57:49,223 INFO L274 CegarLoopResult]: For program point L498(lines 498 509) no Hoare annotation was computed. [2020-11-29 23:57:49,223 INFO L274 CegarLoopResult]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,223 INFO L274 CegarLoopResult]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2020-11-29 23:57:49,223 INFO L274 CegarLoopResult]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,223 INFO L274 CegarLoopResult]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,223 INFO L274 CegarLoopResult]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,223 INFO L274 CegarLoopResult]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,223 INFO L274 CegarLoopResult]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,224 INFO L274 CegarLoopResult]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,224 INFO L274 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-11-29 23:57:49,224 INFO L274 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-11-29 23:57:49,224 INFO L274 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-11-29 23:57:49,224 INFO L274 CegarLoopResult]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,224 INFO L274 CegarLoopResult]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,224 INFO L274 CegarLoopResult]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,224 INFO L274 CegarLoopResult]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,224 INFO L274 CegarLoopResult]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,224 INFO L274 CegarLoopResult]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,224 INFO L274 CegarLoopResult]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,224 INFO L274 CegarLoopResult]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,224 INFO L274 CegarLoopResult]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,224 INFO L274 CegarLoopResult]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,225 INFO L274 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-11-29 23:57:49,225 INFO L274 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-11-29 23:57:49,225 INFO L274 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-11-29 23:57:49,225 INFO L274 CegarLoopResult]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,225 INFO L274 CegarLoopResult]: For program point L768(lines 768 778) no Hoare annotation was computed. [2020-11-29 23:57:49,225 INFO L274 CegarLoopResult]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2020-11-29 23:57:49,225 INFO L274 CegarLoopResult]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,225 INFO L274 CegarLoopResult]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,225 INFO L274 CegarLoopResult]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,225 INFO L274 CegarLoopResult]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,225 INFO L274 CegarLoopResult]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,225 INFO L274 CegarLoopResult]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,225 INFO L274 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-11-29 23:57:49,225 INFO L274 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-11-29 23:57:49,225 INFO L274 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-11-29 23:57:49,226 INFO L274 CegarLoopResult]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,226 INFO L274 CegarLoopResult]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,226 INFO L274 CegarLoopResult]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,226 INFO L270 CegarLoopResult]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse2 (<= ~a29~0 245)) (.cse11 (<= 0 (+ ~a29~0 580294))) (.cse5 (<= ~a29~0 275)) (.cse17 (<= 232 ~a29~0)) (.cse6 (= ~a4~0 0)) (.cse10 (<= (+ ~a23~0 43) 0)) (.cse0 (= ~a25~0 13)) (.cse9 (<= ~a25~0 9)) (.cse13 (<= ~a23~0 312)) (.cse18 (<= ~a29~0 274)) (.cse12 (= ~a25~0 10)) (.cse15 (<= ~a23~0 599997)) (.cse1 (< 140 ~a29~0)) (.cse7 (= ~a25~0 12)) (.cse14 (<= ~a23~0 600000)) (.cse3 (= ~a3~0 1)) (.cse8 (<= ~a23~0 138)) (.cse16 (<= ~a29~0 130)) (.cse4 (= ~a4~0 1))) (or (and .cse0 .cse1 (= ~a8~0 15) .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse1 .cse7 .cse3) (and (<= 27009 ~a29~0) .cse8 .cse4 .cse3) (and (or (and (<= (+ ~a29~0 554036) 0) .cse9 .cse10 .cse11) (and .cse8 .cse4)) .cse2 .cse3) (and .cse8 .cse12 .cse4) (and .cse13 .cse7 .cse4 .cse3) (and .cse1 (<= ~a25~0 11) .cse14 .cse3 .cse4) (and .cse6 (<= ~a29~0 220) .cse11 .cse3 (<= (+ ~a23~0 55) 0)) (and .cse0 .cse15 .cse3 .cse4) (and .cse9 .cse13 .cse16 .cse4 .cse11) (and .cse5 .cse9 .cse1 .cse3 .cse4) (and .cse17 .cse6 .cse0 .cse18 .cse10 .cse3) (and .cse17 .cse6 .cse9 .cse10 .cse3) (and .cse0 .cse1 (<= ~a29~0 232) .cse3 .cse4) (and .cse9 .cse13 .cse3 .cse4) (and .cse12 .cse1 .cse18 .cse4 .cse3) (and .cse12 .cse15 .cse3 .cse4) (and .cse1 .cse7 .cse14 .cse3 .cse4) (and .cse8 .cse16 .cse4))) [2020-11-29 23:57:49,226 INFO L274 CegarLoopResult]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,226 INFO L274 CegarLoopResult]: For program point L705(lines 705 715) no Hoare annotation was computed. [2020-11-29 23:57:49,226 INFO L274 CegarLoopResult]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2020-11-29 23:57:49,227 INFO L274 CegarLoopResult]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,227 INFO L274 CegarLoopResult]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,227 INFO L274 CegarLoopResult]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,227 INFO L274 CegarLoopResult]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,227 INFO L274 CegarLoopResult]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,227 INFO L274 CegarLoopResult]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,227 INFO L274 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-11-29 23:57:49,227 INFO L274 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-11-29 23:57:49,227 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-11-29 23:57:49,227 INFO L277 CegarLoopResult]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2020-11-29 23:57:49,227 INFO L274 CegarLoopResult]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,227 INFO L274 CegarLoopResult]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,227 INFO L274 CegarLoopResult]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,227 INFO L274 CegarLoopResult]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,227 INFO L274 CegarLoopResult]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,227 INFO L274 CegarLoopResult]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,228 INFO L274 CegarLoopResult]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,228 INFO L274 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-11-29 23:57:49,228 INFO L274 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-11-29 23:57:49,228 INFO L274 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-11-29 23:57:49,228 INFO L274 CegarLoopResult]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,228 INFO L274 CegarLoopResult]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,228 INFO L274 CegarLoopResult]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,228 INFO L274 CegarLoopResult]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,228 INFO L274 CegarLoopResult]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,228 INFO L274 CegarLoopResult]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,228 INFO L274 CegarLoopResult]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,228 INFO L274 CegarLoopResult]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,228 INFO L274 CegarLoopResult]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,228 INFO L274 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-11-29 23:57:49,228 INFO L274 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-11-29 23:57:49,228 INFO L274 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-11-29 23:57:49,228 INFO L274 CegarLoopResult]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,229 INFO L270 CegarLoopResult]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse2 (<= ~a29~0 245)) (.cse11 (<= 0 (+ ~a29~0 580294))) (.cse5 (<= ~a29~0 275)) (.cse17 (<= 232 ~a29~0)) (.cse6 (= ~a4~0 0)) (.cse10 (<= (+ ~a23~0 43) 0)) (.cse0 (= ~a25~0 13)) (.cse9 (<= ~a25~0 9)) (.cse13 (<= ~a23~0 312)) (.cse18 (<= ~a29~0 274)) (.cse12 (= ~a25~0 10)) (.cse15 (<= ~a23~0 599997)) (.cse1 (< 140 ~a29~0)) (.cse7 (= ~a25~0 12)) (.cse14 (<= ~a23~0 600000)) (.cse3 (= ~a3~0 1)) (.cse8 (<= ~a23~0 138)) (.cse16 (<= ~a29~0 130)) (.cse4 (= ~a4~0 1))) (or (and .cse0 .cse1 (= ~a8~0 15) .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse1 .cse7 .cse3) (and (<= 27009 ~a29~0) .cse8 .cse4 .cse3) (and (or (and (<= (+ ~a29~0 554036) 0) .cse9 .cse10 .cse11) (and .cse8 .cse4)) .cse2 .cse3) (and .cse8 .cse12 .cse4) (and .cse13 .cse7 .cse4 .cse3) (and .cse1 (<= ~a25~0 11) .cse14 .cse3 .cse4) (and .cse6 (<= ~a29~0 220) .cse11 .cse3 (<= (+ ~a23~0 55) 0)) (and .cse0 .cse15 .cse3 .cse4) (and .cse9 .cse13 .cse16 .cse4 .cse11) (and .cse5 .cse9 .cse1 .cse3 .cse4) (and .cse17 .cse6 .cse0 .cse18 .cse10 .cse3) (and .cse17 .cse6 .cse9 .cse10 .cse3) (and .cse0 .cse1 (<= ~a29~0 232) .cse3 .cse4) (and .cse9 .cse13 .cse3 .cse4) (and .cse12 .cse1 .cse18 .cse4 .cse3) (and .cse12 .cse15 .cse3 .cse4) (and .cse1 .cse7 .cse14 .cse3 .cse4) (and .cse8 .cse16 .cse4))) [2020-11-29 23:57:49,229 INFO L274 CegarLoopResult]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,229 INFO L274 CegarLoopResult]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,229 INFO L274 CegarLoopResult]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,229 INFO L274 CegarLoopResult]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,229 INFO L274 CegarLoopResult]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,229 INFO L274 CegarLoopResult]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,229 INFO L274 CegarLoopResult]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,229 INFO L274 CegarLoopResult]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,229 INFO L274 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-11-29 23:57:49,229 INFO L274 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-11-29 23:57:49,229 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-11-29 23:57:49,230 INFO L274 CegarLoopResult]: For program point L980(lines 980 990) no Hoare annotation was computed. [2020-11-29 23:57:49,230 INFO L274 CegarLoopResult]: For program point L914(lines 914 924) no Hoare annotation was computed. [2020-11-29 23:57:49,230 INFO L274 CegarLoopResult]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2020-11-29 23:57:49,230 INFO L274 CegarLoopResult]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2020-11-29 23:57:49,230 INFO L274 CegarLoopResult]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,230 INFO L274 CegarLoopResult]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,230 INFO L274 CegarLoopResult]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,230 INFO L274 CegarLoopResult]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,230 INFO L274 CegarLoopResult]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,230 INFO L274 CegarLoopResult]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,230 INFO L274 CegarLoopResult]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,230 INFO L274 CegarLoopResult]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,230 INFO L274 CegarLoopResult]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,230 INFO L274 CegarLoopResult]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,230 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 23:57:49,230 INFO L274 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-11-29 23:57:49,230 INFO L274 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-11-29 23:57:49,231 INFO L274 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-11-29 23:57:49,231 INFO L274 CegarLoopResult]: For program point L1049(line 1049) no Hoare annotation was computed. [2020-11-29 23:57:49,231 INFO L274 CegarLoopResult]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,231 INFO L274 CegarLoopResult]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,231 INFO L274 CegarLoopResult]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,231 INFO L274 CegarLoopResult]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,231 INFO L274 CegarLoopResult]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,231 INFO L274 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-11-29 23:57:49,231 INFO L274 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-11-29 23:57:49,231 INFO L274 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-11-29 23:57:49,231 INFO L274 CegarLoopResult]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,231 INFO L274 CegarLoopResult]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,231 INFO L274 CegarLoopResult]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,231 INFO L274 CegarLoopResult]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,231 INFO L274 CegarLoopResult]: For program point L525(lines 525 535) no Hoare annotation was computed. [2020-11-29 23:57:49,231 INFO L274 CegarLoopResult]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2020-11-29 23:57:49,232 INFO L274 CegarLoopResult]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,232 INFO L274 CegarLoopResult]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,232 INFO L274 CegarLoopResult]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,232 INFO L274 CegarLoopResult]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,232 INFO L274 CegarLoopResult]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,232 INFO L274 CegarLoopResult]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,232 INFO L274 CegarLoopResult]: For program point L658(lines 658 667) no Hoare annotation was computed. [2020-11-29 23:57:49,232 INFO L274 CegarLoopResult]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2020-11-29 23:57:49,232 INFO L274 CegarLoopResult]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,232 INFO L274 CegarLoopResult]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,232 INFO L274 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-11-29 23:57:49,232 INFO L274 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-11-29 23:57:49,232 INFO L274 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-11-29 23:57:49,232 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 23:57:49,232 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 23:57:49,232 INFO L274 CegarLoopResult]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,233 INFO L274 CegarLoopResult]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,233 INFO L274 CegarLoopResult]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,233 INFO L274 CegarLoopResult]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,233 INFO L274 CegarLoopResult]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,233 INFO L274 CegarLoopResult]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,233 INFO L274 CegarLoopResult]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,233 INFO L274 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-11-29 23:57:49,233 INFO L274 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-11-29 23:57:49,233 INFO L274 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-11-29 23:57:49,233 INFO L274 CegarLoopResult]: For program point L926(lines 926 936) no Hoare annotation was computed. [2020-11-29 23:57:49,233 INFO L274 CegarLoopResult]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2020-11-29 23:57:49,233 INFO L274 CegarLoopResult]: For program point L728(lines 728 740) no Hoare annotation was computed. [2020-11-29 23:57:49,233 INFO L274 CegarLoopResult]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2020-11-29 23:57:49,233 INFO L274 CegarLoopResult]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,233 INFO L274 CegarLoopResult]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,233 INFO L274 CegarLoopResult]: For program point L597(lines 597 607) no Hoare annotation was computed. [2020-11-29 23:57:49,233 INFO L274 CegarLoopResult]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2020-11-29 23:57:49,233 INFO L274 CegarLoopResult]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,233 INFO L274 CegarLoopResult]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,233 INFO L274 CegarLoopResult]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,233 INFO L274 CegarLoopResult]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,234 INFO L274 CegarLoopResult]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,234 INFO L274 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-11-29 23:57:49,234 INFO L274 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-11-29 23:57:49,234 INFO L274 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-11-29 23:57:49,234 INFO L274 CegarLoopResult]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,234 INFO L274 CegarLoopResult]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,234 INFO L274 CegarLoopResult]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,234 INFO L274 CegarLoopResult]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,234 INFO L274 CegarLoopResult]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,234 INFO L274 CegarLoopResult]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,234 INFO L274 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed. [2020-11-29 23:57:49,234 INFO L274 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-11-29 23:57:49,234 INFO L274 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-11-29 23:57:49,234 INFO L274 CegarLoopResult]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,234 INFO L274 CegarLoopResult]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,234 INFO L274 CegarLoopResult]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,234 INFO L274 CegarLoopResult]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,234 INFO L274 CegarLoopResult]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,234 INFO L274 CegarLoopResult]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,234 INFO L274 CegarLoopResult]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,234 INFO L274 CegarLoopResult]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,234 INFO L274 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed. [2020-11-29 23:57:49,234 INFO L274 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-11-29 23:57:49,234 INFO L274 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-11-29 23:57:49,235 INFO L274 CegarLoopResult]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,235 INFO L274 CegarLoopResult]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,235 INFO L274 CegarLoopResult]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,235 INFO L274 CegarLoopResult]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,235 INFO L274 CegarLoopResult]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,235 INFO L274 CegarLoopResult]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,235 INFO L274 CegarLoopResult]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,235 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-29 23:57:49,235 INFO L274 CegarLoopResult]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,235 INFO L274 CegarLoopResult]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,235 INFO L274 CegarLoopResult]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,235 INFO L274 CegarLoopResult]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,235 INFO L274 CegarLoopResult]: For program point L409(lines 409 420) no Hoare annotation was computed. [2020-11-29 23:57:49,235 INFO L274 CegarLoopResult]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2020-11-29 23:57:49,235 INFO L274 CegarLoopResult]: For program point L211(line 211) no Hoare annotation was computed. [2020-11-29 23:57:49,235 INFO L274 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-11-29 23:57:49,236 INFO L274 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-11-29 23:57:49,236 INFO L274 CegarLoopResult]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,236 INFO L274 CegarLoopResult]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,236 INFO L274 CegarLoopResult]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,236 INFO L274 CegarLoopResult]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,236 INFO L274 CegarLoopResult]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,236 INFO L274 CegarLoopResult]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,236 INFO L274 CegarLoopResult]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,236 INFO L274 CegarLoopResult]: For program point L214(line 214) no Hoare annotation was computed. [2020-11-29 23:57:49,236 INFO L274 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-11-29 23:57:49,236 INFO L274 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-11-29 23:57:49,236 INFO L274 CegarLoopResult]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,236 INFO L274 CegarLoopResult]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,236 INFO L274 CegarLoopResult]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,236 INFO L274 CegarLoopResult]: For program point L876(lines 876 885) no Hoare annotation was computed. [2020-11-29 23:57:49,237 INFO L274 CegarLoopResult]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2020-11-29 23:57:49,237 INFO L274 CegarLoopResult]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,237 INFO L274 CegarLoopResult]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,237 INFO L274 CegarLoopResult]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,237 INFO L274 CegarLoopResult]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,237 INFO L274 CegarLoopResult]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,237 INFO L274 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-11-29 23:57:49,237 INFO L274 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-11-29 23:57:49,237 INFO L274 CegarLoopResult]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,237 INFO L274 CegarLoopResult]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,237 INFO L274 CegarLoopResult]: For program point L614(lines 614 624) no Hoare annotation was computed. [2020-11-29 23:57:49,237 INFO L274 CegarLoopResult]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2020-11-29 23:57:49,237 INFO L274 CegarLoopResult]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,237 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 23:57:49,237 INFO L274 CegarLoopResult]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,238 INFO L274 CegarLoopResult]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,238 INFO L274 CegarLoopResult]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,238 INFO L274 CegarLoopResult]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,238 INFO L274 CegarLoopResult]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,238 INFO L274 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-11-29 23:57:49,238 INFO L274 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-11-29 23:57:49,238 INFO L274 CegarLoopResult]: For program point L815(lines 815 825) no Hoare annotation was computed. [2020-11-29 23:57:49,238 INFO L274 CegarLoopResult]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2020-11-29 23:57:49,238 INFO L274 CegarLoopResult]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,238 INFO L274 CegarLoopResult]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,238 INFO L274 CegarLoopResult]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,238 INFO L274 CegarLoopResult]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,238 INFO L274 CegarLoopResult]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,238 INFO L274 CegarLoopResult]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,238 INFO L274 CegarLoopResult]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,239 INFO L274 CegarLoopResult]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,239 INFO L274 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-11-29 23:57:49,239 INFO L274 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-11-29 23:57:49,239 INFO L274 CegarLoopResult]: For program point L950(lines 950 962) no Hoare annotation was computed. [2020-11-29 23:57:49,239 INFO L274 CegarLoopResult]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2020-11-29 23:57:49,239 INFO L274 CegarLoopResult]: For program point L488(lines 488 496) no Hoare annotation was computed. [2020-11-29 23:57:49,239 INFO L274 CegarLoopResult]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2020-11-29 23:57:49,239 INFO L274 CegarLoopResult]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,239 INFO L274 CegarLoopResult]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,239 INFO L274 CegarLoopResult]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,239 INFO L274 CegarLoopResult]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,239 INFO L274 CegarLoopResult]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,240 INFO L274 CegarLoopResult]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,240 INFO L274 CegarLoopResult]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,240 INFO L274 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-11-29 23:57:49,240 INFO L274 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-11-29 23:57:49,240 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 23:57:49,240 INFO L274 CegarLoopResult]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,240 INFO L274 CegarLoopResult]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,240 INFO L274 CegarLoopResult]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,241 INFO L274 CegarLoopResult]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,241 INFO L274 CegarLoopResult]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,241 INFO L274 CegarLoopResult]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,241 INFO L274 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-11-29 23:57:49,241 INFO L274 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-11-29 23:57:49,241 INFO L274 CegarLoopResult]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,241 INFO L274 CegarLoopResult]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,241 INFO L274 CegarLoopResult]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,242 INFO L274 CegarLoopResult]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,242 INFO L274 CegarLoopResult]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,242 INFO L274 CegarLoopResult]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,242 INFO L274 CegarLoopResult]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,242 INFO L274 CegarLoopResult]: For program point L33(lines 33 35) no Hoare annotation was computed. [2020-11-29 23:57:49,242 INFO L274 CegarLoopResult]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2020-11-29 23:57:49,242 INFO L274 CegarLoopResult]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,242 INFO L274 CegarLoopResult]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,242 INFO L274 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-11-29 23:57:49,243 INFO L274 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-11-29 23:57:49,243 INFO L274 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-11-29 23:57:49,243 INFO L274 CegarLoopResult]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2020-11-29 23:57:49,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 11:57:49 BoogieIcfgContainer [2020-11-29 23:57:49,293 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 23:57:49,293 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 23:57:49,293 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 23:57:49,294 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 23:57:49,295 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:55:57" (3/4) ... [2020-11-29 23:57:49,299 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 23:57:49,327 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-29 23:57:49,329 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 23:57:49,331 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 23:57:49,333 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 23:57:49,484 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_57fd101c-c851-406b-b819-ea671befc96e/bin/uautomizer/witness.graphml [2020-11-29 23:57:49,484 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 23:57:49,485 INFO L168 Benchmark]: Toolchain (without parser) took 115524.37 ms. Allocated memory was 92.3 MB in the beginning and 4.2 GB in the end (delta: 4.1 GB). Free memory was 60.4 MB in the beginning and 3.0 GB in the end (delta: -2.9 GB). Peak memory consumption was 1.2 GB. Max. memory is 16.1 GB. [2020-11-29 23:57:49,485 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 92.3 MB. Free memory was 49.2 MB in the beginning and 49.1 MB in the end (delta: 43.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:57:49,486 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1062.66 ms. Allocated memory is still 92.3 MB. Free memory was 60.1 MB in the beginning and 36.8 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:57:49,486 INFO L168 Benchmark]: Boogie Procedure Inliner took 193.97 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 36.8 MB in the beginning and 70.7 MB in the end (delta: -33.9 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. [2020-11-29 23:57:49,486 INFO L168 Benchmark]: Boogie Preprocessor took 141.25 ms. Allocated memory is still 111.1 MB. Free memory was 70.7 MB in the beginning and 60.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 23:57:49,487 INFO L168 Benchmark]: RCFGBuilder took 2600.68 ms. Allocated memory was 111.1 MB in the beginning and 157.3 MB in the end (delta: 46.1 MB). Free memory was 60.2 MB in the beginning and 117.0 MB in the end (delta: -56.9 MB). Peak memory consumption was 33.9 MB. Max. memory is 16.1 GB. [2020-11-29 23:57:49,487 INFO L168 Benchmark]: TraceAbstraction took 111326.01 ms. Allocated memory was 157.3 MB in the beginning and 4.2 GB in the end (delta: 4.1 GB). Free memory was 116.0 MB in the beginning and 3.0 GB in the end (delta: -2.9 GB). Peak memory consumption was 2.7 GB. Max. memory is 16.1 GB. [2020-11-29 23:57:49,488 INFO L168 Benchmark]: Witness Printer took 190.83 ms. Allocated memory is still 4.2 GB. Free memory was 3.0 GB in the beginning and 3.0 GB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-11-29 23:57:49,490 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 92.3 MB. Free memory was 49.2 MB in the beginning and 49.1 MB in the end (delta: 43.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1062.66 ms. Allocated memory is still 92.3 MB. Free memory was 60.1 MB in the beginning and 36.8 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 193.97 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 36.8 MB in the beginning and 70.7 MB in the end (delta: -33.9 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 141.25 ms. Allocated memory is still 111.1 MB. Free memory was 70.7 MB in the beginning and 60.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2600.68 ms. Allocated memory was 111.1 MB in the beginning and 157.3 MB in the end (delta: 46.1 MB). Free memory was 60.2 MB in the beginning and 117.0 MB in the end (delta: -56.9 MB). Peak memory consumption was 33.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 111326.01 ms. Allocated memory was 157.3 MB in the beginning and 4.2 GB in the end (delta: 4.1 GB). Free memory was 116.0 MB in the beginning and 3.0 GB in the end (delta: -2.9 GB). Peak memory consumption was 2.7 GB. Max. memory is 16.1 GB. * Witness Printer took 190.83 ms. Allocated memory is still 4.2 GB. Free memory was 3.0 GB in the beginning and 3.0 GB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: 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: 1038]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((a25 == 13 && 140 < a29) && a8 == 15) && a29 <= 245) && a3 == 1) && a4 == 1) || ((((a29 <= 275 && a4 == 0) && 140 < a29) && a25 == 12) && a3 == 1)) || (((27009 <= a29 && a23 <= 138) && a4 == 1) && a3 == 1)) || ((((((a29 + 554036 <= 0 && a25 <= 9) && a23 + 43 <= 0) && 0 <= a29 + 580294) || (a23 <= 138 && a4 == 1)) && a29 <= 245) && a3 == 1)) || ((a23 <= 138 && a25 == 10) && a4 == 1)) || (((a23 <= 312 && a25 == 12) && a4 == 1) && a3 == 1)) || ((((140 < a29 && a25 <= 11) && a23 <= 600000) && a3 == 1) && a4 == 1)) || ((((a4 == 0 && a29 <= 220) && 0 <= a29 + 580294) && a3 == 1) && a23 + 55 <= 0)) || (((a25 == 13 && a23 <= 599997) && a3 == 1) && a4 == 1)) || ((((a25 <= 9 && a23 <= 312) && a29 <= 130) && a4 == 1) && 0 <= a29 + 580294)) || ((((a29 <= 275 && a25 <= 9) && 140 < a29) && a3 == 1) && a4 == 1)) || (((((232 <= a29 && a4 == 0) && a25 == 13) && a29 <= 274) && a23 + 43 <= 0) && a3 == 1)) || ((((232 <= a29 && a4 == 0) && a25 <= 9) && a23 + 43 <= 0) && a3 == 1)) || ((((a25 == 13 && 140 < a29) && a29 <= 232) && a3 == 1) && a4 == 1)) || (((a25 <= 9 && a23 <= 312) && a3 == 1) && a4 == 1)) || ((((a25 == 10 && 140 < a29) && a29 <= 274) && a4 == 1) && a3 == 1)) || (((a25 == 10 && a23 <= 599997) && a3 == 1) && a4 == 1)) || ((((140 < a29 && a25 == 12) && a23 <= 600000) && a3 == 1) && a4 == 1)) || ((a23 <= 138 && a29 <= 130) && a4 == 1) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((a25 == 13 && 140 < a29) && a8 == 15) && a29 <= 245) && a3 == 1) && a4 == 1) || ((((a29 <= 275 && a4 == 0) && 140 < a29) && a25 == 12) && a3 == 1)) || (((27009 <= a29 && a23 <= 138) && a4 == 1) && a3 == 1)) || ((((((a29 + 554036 <= 0 && a25 <= 9) && a23 + 43 <= 0) && 0 <= a29 + 580294) || (a23 <= 138 && a4 == 1)) && a29 <= 245) && a3 == 1)) || ((a23 <= 138 && a25 == 10) && a4 == 1)) || (((a23 <= 312 && a25 == 12) && a4 == 1) && a3 == 1)) || ((((140 < a29 && a25 <= 11) && a23 <= 600000) && a3 == 1) && a4 == 1)) || ((((a4 == 0 && a29 <= 220) && 0 <= a29 + 580294) && a3 == 1) && a23 + 55 <= 0)) || (((a25 == 13 && a23 <= 599997) && a3 == 1) && a4 == 1)) || ((((a25 <= 9 && a23 <= 312) && a29 <= 130) && a4 == 1) && 0 <= a29 + 580294)) || ((((a29 <= 275 && a25 <= 9) && 140 < a29) && a3 == 1) && a4 == 1)) || (((((232 <= a29 && a4 == 0) && a25 == 13) && a29 <= 274) && a23 + 43 <= 0) && a3 == 1)) || ((((232 <= a29 && a4 == 0) && a25 <= 9) && a23 + 43 <= 0) && a3 == 1)) || ((((a25 == 13 && 140 < a29) && a29 <= 232) && a3 == 1) && a4 == 1)) || (((a25 <= 9 && a23 <= 312) && a3 == 1) && a4 == 1)) || ((((a25 == 10 && 140 < a29) && a29 <= 274) && a4 == 1) && a3 == 1)) || (((a25 == 10 && a23 <= 599997) && a3 == 1) && a4 == 1)) || ((((140 < a29 && a25 == 12) && a23 <= 600000) && a3 == 1) && a4 == 1)) || ((a23 <= 138 && a29 <= 130) && a4 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 284 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 95.3s, OverallIterations: 32, TraceHistogramMax: 12, AutomataDifference: 52.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 15.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5588 SDtfs, 5889 SDslu, 882 SDs, 0 SdLazy, 24035 SolverSat, 3520 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 32.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4606 GetRequests, 4521 SyntacticMatches, 2 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21971occurred in iteration=19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 6.7s AutomataMinimizationTime, 32 MinimizatonAttempts, 47131 StatesRemovedByMinimization, 29 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 159 NumberOfFragments, 625 HoareAnnotationTreeSize, 3 FomulaSimplifications, 18898304 FormulaSimplificationTreeSizeReduction, 5.6s HoareSimplificationTime, 3 FomulaSimplificationsInter, 8965260 FormulaSimplificationTreeSizeReductionInter, 10.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.9s SsaConstructionTime, 3.0s SatisfiabilityAnalysisTime, 13.1s InterpolantComputationTime, 23660 NumberOfCodeBlocks, 23660 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 23623 ConstructedInterpolants, 131 QuantifiedInterpolants, 57735729 SizeOfPredicates, 1 NumberOfNonLiveVariables, 5823 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 37 InterpolantComputations, 31 PerfectInterpolantSequences, 62769/64488 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...