./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label16.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_36d694aa-496b-49fc-8250-1f6a673e926c/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_36d694aa-496b-49fc-8250-1f6a673e926c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_36d694aa-496b-49fc-8250-1f6a673e926c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_36d694aa-496b-49fc-8250-1f6a673e926c/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label16.c -s /tmp/vcloud-vcloud-master/worker/run_dir_36d694aa-496b-49fc-8250-1f6a673e926c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_36d694aa-496b-49fc-8250-1f6a673e926c/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 7008b59eaa44c4bc0959fd528d5c5ed41e21fd49 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 15:37:13,290 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:37:13,293 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:37:13,343 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:37:13,344 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:37:13,346 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:37:13,348 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:37:13,351 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:37:13,353 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:37:13,354 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:37:13,356 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:37:13,358 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:37:13,358 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:37:13,360 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:37:13,362 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:37:13,363 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:37:13,365 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:37:13,366 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:37:13,368 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:37:13,371 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:37:13,374 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:37:13,384 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:37:13,385 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:37:13,387 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:37:13,391 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:37:13,391 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:37:13,392 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:37:13,393 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:37:13,394 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:37:13,395 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:37:13,395 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:37:13,397 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:37:13,398 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:37:13,407 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:37:13,408 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:37:13,409 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:37:13,410 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:37:13,410 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:37:13,410 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:37:13,412 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:37:13,413 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:37:13,416 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_36d694aa-496b-49fc-8250-1f6a673e926c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-01 15:37:13,466 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:37:13,466 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:37:13,468 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:37:13,469 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:37:13,469 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:37:13,469 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:37:13,470 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 15:37:13,470 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 15:37:13,470 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 15:37:13,471 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:37:13,472 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 15:37:13,472 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 15:37:13,473 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 15:37:13,473 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 15:37:13,473 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:37:13,473 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:37:13,474 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 15:37:13,474 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:37:13,474 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:37:13,475 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 15:37:13,475 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 15:37:13,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:37:13,475 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:37:13,476 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 15:37:13,476 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 15:37:13,476 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 15:37:13,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 15:37:13,477 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 15:37:13,477 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:37:13,477 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_36d694aa-496b-49fc-8250-1f6a673e926c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_36d694aa-496b-49fc-8250-1f6a673e926c/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7008b59eaa44c4bc0959fd528d5c5ed41e21fd49 [2020-12-01 15:37:13,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:37:13,898 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:37:13,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:37:13,902 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:37:13,907 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:37:13,908 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_36d694aa-496b-49fc-8250-1f6a673e926c/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem16_label16.c [2020-12-01 15:37:14,018 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_36d694aa-496b-49fc-8250-1f6a673e926c/bin/uautomizer/data/bb43114d1/63447be673de4e34a14d62607ed5fc1a/FLAGfc07f105a [2020-12-01 15:37:14,888 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:37:14,888 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_36d694aa-496b-49fc-8250-1f6a673e926c/sv-benchmarks/c/eca-rers2012/Problem16_label16.c [2020-12-01 15:37:14,924 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_36d694aa-496b-49fc-8250-1f6a673e926c/bin/uautomizer/data/bb43114d1/63447be673de4e34a14d62607ed5fc1a/FLAGfc07f105a [2020-12-01 15:37:15,448 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_36d694aa-496b-49fc-8250-1f6a673e926c/bin/uautomizer/data/bb43114d1/63447be673de4e34a14d62607ed5fc1a [2020-12-01 15:37:15,451 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:37:15,452 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:37:15,458 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:37:15,459 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:37:15,463 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:37:15,463 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:37:15" (1/1) ... [2020-12-01 15:37:15,466 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b9e2de1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:37:15, skipping insertion in model container [2020-12-01 15:37:15,466 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:37:15" (1/1) ... [2020-12-01 15:37:15,476 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:37:15,578 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:37:16,369 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:37:16,380 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:37:16,703 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:37:16,727 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:37:16,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:37:16 WrapperNode [2020-12-01 15:37:16,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:37:16,730 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 15:37:16,730 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 15:37:16,730 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 15:37:16,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:37:16" (1/1) ... [2020-12-01 15:37:16,803 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:37:16" (1/1) ... [2020-12-01 15:37:16,972 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 15:37:16,973 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:37:16,973 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:37:16,974 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:37:16,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:37:16" (1/1) ... [2020-12-01 15:37:16,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:37:16" (1/1) ... [2020-12-01 15:37:16,998 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:37:16" (1/1) ... [2020-12-01 15:37:16,998 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:37:16" (1/1) ... [2020-12-01 15:37:17,067 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:37:16" (1/1) ... [2020-12-01 15:37:17,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:37:16" (1/1) ... [2020-12-01 15:37:17,112 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:37:16" (1/1) ... [2020-12-01 15:37:17,137 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:37:17,138 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:37:17,139 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:37:17,139 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:37:17,140 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:37:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36d694aa-496b-49fc-8250-1f6a673e926c/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 [2020-12-01 15:37:17,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 15:37:17,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 15:37:17,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:37:17,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:37:20,105 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:37:20,105 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-12-01 15:37:20,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:37:20 BoogieIcfgContainer [2020-12-01 15:37:20,108 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:37:20,111 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 15:37:20,112 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 15:37:20,115 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 15:37:20,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 03:37:15" (1/3) ... [2020-12-01 15:37:20,116 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22718934 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:37:20, skipping insertion in model container [2020-12-01 15:37:20,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:37:16" (2/3) ... [2020-12-01 15:37:20,116 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22718934 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:37:20, skipping insertion in model container [2020-12-01 15:37:20,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:37:20" (3/3) ... [2020-12-01 15:37:20,118 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem16_label16.c [2020-12-01 15:37:20,134 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 15:37:20,138 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 15:37:20,150 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 15:37:20,251 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 15:37:20,252 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 15:37:20,252 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 15:37:20,252 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:37:20,252 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:37:20,252 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 15:37:20,252 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:37:20,252 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 15:37:20,300 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states. [2020-12-01 15:37:20,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 15:37:20,317 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:37:20,317 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:37:20,318 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:37:20,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:37:20,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1824112922, now seen corresponding path program 1 times [2020-12-01 15:37:20,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:37:20,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83331501] [2020-12-01 15:37:20,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:37:20,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:37:20,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:37:20,636 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83331501] [2020-12-01 15:37:20,637 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:37:20,637 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:37:20,638 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679707545] [2020-12-01 15:37:20,643 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:37:20,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:37:20,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:37:20,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:37:20,659 INFO L87 Difference]: Start difference. First operand 397 states. Second operand 3 states. [2020-12-01 15:37:23,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:37:23,162 INFO L93 Difference]: Finished difference Result 1123 states and 2104 transitions. [2020-12-01 15:37:23,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:37:23,164 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2020-12-01 15:37:23,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:37:23,194 INFO L225 Difference]: With dead ends: 1123 [2020-12-01 15:37:23,194 INFO L226 Difference]: Without dead ends: 662 [2020-12-01 15:37:23,199 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 [2020-12-01 15:37:23,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2020-12-01 15:37:23,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 662. [2020-12-01 15:37:23,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 662 states. [2020-12-01 15:37:23,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 1004 transitions. [2020-12-01 15:37:23,324 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 1004 transitions. Word has length 42 [2020-12-01 15:37:23,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:37:23,324 INFO L481 AbstractCegarLoop]: Abstraction has 662 states and 1004 transitions. [2020-12-01 15:37:23,324 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:37:23,325 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1004 transitions. [2020-12-01 15:37:23,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-12-01 15:37:23,332 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:37:23,333 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:37:23,333 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 15:37:23,334 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:37:23,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:37:23,337 INFO L82 PathProgramCache]: Analyzing trace with hash -1902682156, now seen corresponding path program 1 times [2020-12-01 15:37:23,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:37:23,337 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276021913] [2020-12-01 15:37:23,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:37:23,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:37:23,621 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:37:23,622 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276021913] [2020-12-01 15:37:23,622 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:37:23,622 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:37:23,622 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998871403] [2020-12-01 15:37:23,624 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 15:37:23,624 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:37:23,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:37:23,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:37:23,625 INFO L87 Difference]: Start difference. First operand 662 states and 1004 transitions. Second operand 4 states. [2020-12-01 15:37:27,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:37:27,192 INFO L93 Difference]: Finished difference Result 2309 states and 3414 transitions. [2020-12-01 15:37:27,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 15:37:27,193 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 110 [2020-12-01 15:37:27,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:37:27,204 INFO L225 Difference]: With dead ends: 2309 [2020-12-01 15:37:27,204 INFO L226 Difference]: Without dead ends: 1649 [2020-12-01 15:37:27,208 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:37:27,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1649 states. [2020-12-01 15:37:27,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1649 to 1649. [2020-12-01 15:37:27,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1649 states. [2020-12-01 15:37:27,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 1649 states and 2310 transitions. [2020-12-01 15:37:27,263 INFO L78 Accepts]: Start accepts. Automaton has 1649 states and 2310 transitions. Word has length 110 [2020-12-01 15:37:27,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:37:27,264 INFO L481 AbstractCegarLoop]: Abstraction has 1649 states and 2310 transitions. [2020-12-01 15:37:27,264 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 15:37:27,264 INFO L276 IsEmpty]: Start isEmpty. Operand 1649 states and 2310 transitions. [2020-12-01 15:37:27,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-12-01 15:37:27,270 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:37:27,270 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:37:27,271 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 15:37:27,271 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:37:27,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:37:27,272 INFO L82 PathProgramCache]: Analyzing trace with hash -336350595, now seen corresponding path program 1 times [2020-12-01 15:37:27,272 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:37:27,273 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146609458] [2020-12-01 15:37:27,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:37:27,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:37:27,592 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:37:27,592 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146609458] [2020-12-01 15:37:27,592 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:37:27,593 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:37:27,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382535398] [2020-12-01 15:37:27,595 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:37:27,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:37:27,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:37:27,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:37:27,601 INFO L87 Difference]: Start difference. First operand 1649 states and 2310 transitions. Second operand 3 states. [2020-12-01 15:37:30,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:37:30,211 INFO L93 Difference]: Finished difference Result 3625 states and 5242 transitions. [2020-12-01 15:37:30,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:37:30,214 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 173 [2020-12-01 15:37:30,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:37:30,236 INFO L225 Difference]: With dead ends: 3625 [2020-12-01 15:37:30,237 INFO L226 Difference]: Without dead ends: 2307 [2020-12-01 15:37:30,239 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 [2020-12-01 15:37:30,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2307 states. [2020-12-01 15:37:30,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2307 to 2307. [2020-12-01 15:37:30,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2307 states. [2020-12-01 15:37:30,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2307 states to 2307 states and 3113 transitions. [2020-12-01 15:37:30,319 INFO L78 Accepts]: Start accepts. Automaton has 2307 states and 3113 transitions. Word has length 173 [2020-12-01 15:37:30,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:37:30,320 INFO L481 AbstractCegarLoop]: Abstraction has 2307 states and 3113 transitions. [2020-12-01 15:37:30,320 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:37:30,320 INFO L276 IsEmpty]: Start isEmpty. Operand 2307 states and 3113 transitions. [2020-12-01 15:37:30,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-12-01 15:37:30,327 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:37:30,327 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:37:30,328 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-01 15:37:30,328 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:37:30,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:37:30,328 INFO L82 PathProgramCache]: Analyzing trace with hash 658117390, now seen corresponding path program 1 times [2020-12-01 15:37:30,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:37:30,329 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787911069] [2020-12-01 15:37:30,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:37:30,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:37:30,638 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-12-01 15:37:30,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787911069] [2020-12-01 15:37:30,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:37:30,639 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:37:30,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149351869] [2020-12-01 15:37:30,640 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:37:30,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:37:30,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:37:30,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:37:30,641 INFO L87 Difference]: Start difference. First operand 2307 states and 3113 transitions. Second operand 3 states. [2020-12-01 15:37:32,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:37:32,675 INFO L93 Difference]: Finished difference Result 5599 states and 7699 transitions. [2020-12-01 15:37:32,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:37:32,676 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 208 [2020-12-01 15:37:32,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:37:32,700 INFO L225 Difference]: With dead ends: 5599 [2020-12-01 15:37:32,700 INFO L226 Difference]: Without dead ends: 3623 [2020-12-01 15:37:32,704 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 [2020-12-01 15:37:32,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3623 states. [2020-12-01 15:37:32,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3623 to 2965. [2020-12-01 15:37:32,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2965 states. [2020-12-01 15:37:32,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2965 states to 2965 states and 3688 transitions. [2020-12-01 15:37:32,787 INFO L78 Accepts]: Start accepts. Automaton has 2965 states and 3688 transitions. Word has length 208 [2020-12-01 15:37:32,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:37:32,788 INFO L481 AbstractCegarLoop]: Abstraction has 2965 states and 3688 transitions. [2020-12-01 15:37:32,788 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:37:32,788 INFO L276 IsEmpty]: Start isEmpty. Operand 2965 states and 3688 transitions. [2020-12-01 15:37:32,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-12-01 15:37:32,793 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:37:32,794 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-01 15:37:32,794 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-01 15:37:32,794 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:37:32,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:37:32,795 INFO L82 PathProgramCache]: Analyzing trace with hash -685801441, now seen corresponding path program 1 times [2020-12-01 15:37:32,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:37:32,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411972238] [2020-12-01 15:37:32,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:37:32,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:37:33,088 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:37:33,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411972238] [2020-12-01 15:37:33,088 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:37:33,089 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:37:33,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502440547] [2020-12-01 15:37:33,090 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:37:33,090 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:37:33,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:37:33,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:37:33,091 INFO L87 Difference]: Start difference. First operand 2965 states and 3688 transitions. Second operand 3 states. [2020-12-01 15:37:35,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:37:35,358 INFO L93 Difference]: Finished difference Result 6915 states and 8657 transitions. [2020-12-01 15:37:35,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:37:35,363 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 225 [2020-12-01 15:37:35,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:37:35,387 INFO L225 Difference]: With dead ends: 6915 [2020-12-01 15:37:35,387 INFO L226 Difference]: Without dead ends: 3952 [2020-12-01 15:37:35,392 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 [2020-12-01 15:37:35,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2020-12-01 15:37:35,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3952. [2020-12-01 15:37:35,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3952 states. [2020-12-01 15:37:35,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 3952 states and 4242 transitions. [2020-12-01 15:37:35,497 INFO L78 Accepts]: Start accepts. Automaton has 3952 states and 4242 transitions. Word has length 225 [2020-12-01 15:37:35,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:37:35,498 INFO L481 AbstractCegarLoop]: Abstraction has 3952 states and 4242 transitions. [2020-12-01 15:37:35,498 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:37:35,498 INFO L276 IsEmpty]: Start isEmpty. Operand 3952 states and 4242 transitions. [2020-12-01 15:37:35,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2020-12-01 15:37:35,503 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:37:35,504 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:37:35,504 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-01 15:37:35,504 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:37:35,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:37:35,505 INFO L82 PathProgramCache]: Analyzing trace with hash -1442077831, now seen corresponding path program 1 times [2020-12-01 15:37:35,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:37:35,506 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498712798] [2020-12-01 15:37:35,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:37:35,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:37:35,805 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:37:35,805 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498712798] [2020-12-01 15:37:35,807 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:37:35,807 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:37:35,807 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346961377] [2020-12-01 15:37:35,808 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:37:35,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:37:35,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:37:35,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:37:35,811 INFO L87 Difference]: Start difference. First operand 3952 states and 4242 transitions. Second operand 3 states. [2020-12-01 15:37:37,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:37:37,630 INFO L93 Difference]: Finished difference Result 9218 states and 9926 transitions. [2020-12-01 15:37:37,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:37:37,631 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 277 [2020-12-01 15:37:37,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:37:37,662 INFO L225 Difference]: With dead ends: 9218 [2020-12-01 15:37:37,663 INFO L226 Difference]: Without dead ends: 5268 [2020-12-01 15:37:37,669 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:37:37,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5268 states. [2020-12-01 15:37:37,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5268 to 5268. [2020-12-01 15:37:37,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5268 states. [2020-12-01 15:37:37,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5268 states to 5268 states and 5527 transitions. [2020-12-01 15:37:37,788 INFO L78 Accepts]: Start accepts. Automaton has 5268 states and 5527 transitions. Word has length 277 [2020-12-01 15:37:37,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:37:37,794 INFO L481 AbstractCegarLoop]: Abstraction has 5268 states and 5527 transitions. [2020-12-01 15:37:37,795 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:37:37,795 INFO L276 IsEmpty]: Start isEmpty. Operand 5268 states and 5527 transitions. [2020-12-01 15:37:37,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2020-12-01 15:37:37,804 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:37:37,805 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:37:37,805 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-01 15:37:37,805 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:37:37,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:37:37,806 INFO L82 PathProgramCache]: Analyzing trace with hash -1264215655, now seen corresponding path program 1 times [2020-12-01 15:37:37,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:37:37,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026465000] [2020-12-01 15:37:37,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:37:37,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:37:38,265 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2020-12-01 15:37:38,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026465000] [2020-12-01 15:37:38,266 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:37:38,266 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:37:38,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741658560] [2020-12-01 15:37:38,267 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:37:38,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:37:38,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:37:38,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:37:38,269 INFO L87 Difference]: Start difference. First operand 5268 states and 5527 transitions. Second operand 3 states. [2020-12-01 15:37:40,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:37:40,093 INFO L93 Difference]: Finished difference Result 11850 states and 12495 transitions. [2020-12-01 15:37:40,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:37:40,094 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 381 [2020-12-01 15:37:40,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:37:40,126 INFO L225 Difference]: With dead ends: 11850 [2020-12-01 15:37:40,126 INFO L226 Difference]: Without dead ends: 6584 [2020-12-01 15:37:40,133 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 [2020-12-01 15:37:40,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6584 states. [2020-12-01 15:37:40,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6584 to 6584. [2020-12-01 15:37:40,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6584 states. [2020-12-01 15:37:40,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6584 states to 6584 states and 6931 transitions. [2020-12-01 15:37:40,283 INFO L78 Accepts]: Start accepts. Automaton has 6584 states and 6931 transitions. Word has length 381 [2020-12-01 15:37:40,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:37:40,285 INFO L481 AbstractCegarLoop]: Abstraction has 6584 states and 6931 transitions. [2020-12-01 15:37:40,285 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:37:40,285 INFO L276 IsEmpty]: Start isEmpty. Operand 6584 states and 6931 transitions. [2020-12-01 15:37:40,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2020-12-01 15:37:40,297 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:37:40,298 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:37:40,298 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-01 15:37:40,299 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:37:40,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:37:40,300 INFO L82 PathProgramCache]: Analyzing trace with hash -621287246, now seen corresponding path program 1 times [2020-12-01 15:37:40,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:37:40,301 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906891604] [2020-12-01 15:37:40,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:37:40,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:37:41,054 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2020-12-01 15:37:41,055 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906891604] [2020-12-01 15:37:41,055 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [679708020] [2020-12-01 15:37:41,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36d694aa-496b-49fc-8250-1f6a673e926c/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 [2020-12-01 15:37:41,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:37:41,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 15:37:41,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:37:42,390 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2020-12-01 15:37:42,391 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 15:37:42,391 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-12-01 15:37:42,392 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964403443] [2020-12-01 15:37:42,393 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:37:42,393 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:37:42,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:37:42,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:37:42,394 INFO L87 Difference]: Start difference. First operand 6584 states and 6931 transitions. Second operand 3 states. [2020-12-01 15:37:44,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:37:44,236 INFO L93 Difference]: Finished difference Result 7902 states and 8284 transitions. [2020-12-01 15:37:44,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:37:44,237 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 435 [2020-12-01 15:37:44,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:37:44,282 INFO L225 Difference]: With dead ends: 7902 [2020-12-01 15:37:44,282 INFO L226 Difference]: Without dead ends: 7900 [2020-12-01 15:37:44,285 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 437 GetRequests, 434 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:37:44,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7900 states. [2020-12-01 15:37:44,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7900 to 6913. [2020-12-01 15:37:44,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6913 states. [2020-12-01 15:37:44,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6913 states to 6913 states and 7273 transitions. [2020-12-01 15:37:44,418 INFO L78 Accepts]: Start accepts. Automaton has 6913 states and 7273 transitions. Word has length 435 [2020-12-01 15:37:44,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:37:44,419 INFO L481 AbstractCegarLoop]: Abstraction has 6913 states and 7273 transitions. [2020-12-01 15:37:44,419 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:37:44,419 INFO L276 IsEmpty]: Start isEmpty. Operand 6913 states and 7273 transitions. [2020-12-01 15:37:44,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 845 [2020-12-01 15:37:44,457 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:37:44,457 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:37:44,674 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2020-12-01 15:37:44,674 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:37:44,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:37:44,675 INFO L82 PathProgramCache]: Analyzing trace with hash -373220115, now seen corresponding path program 1 times [2020-12-01 15:37:44,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:37:44,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643479136] [2020-12-01 15:37:44,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:37:44,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:37:45,615 INFO L134 CoverageAnalysis]: Checked inductivity of 1307 backedges. 896 proven. 0 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2020-12-01 15:37:45,615 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643479136] [2020-12-01 15:37:45,616 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:37:45,616 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:37:45,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568187066] [2020-12-01 15:37:45,617 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:37:45,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:37:45,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:37:45,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:37:45,619 INFO L87 Difference]: Start difference. First operand 6913 states and 7273 transitions. Second operand 3 states. [2020-12-01 15:37:47,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:37:47,002 INFO L93 Difference]: Finished difference Result 15469 states and 16329 transitions. [2020-12-01 15:37:47,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:37:47,002 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 844 [2020-12-01 15:37:47,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:37:47,020 INFO L225 Difference]: With dead ends: 15469 [2020-12-01 15:37:47,020 INFO L226 Difference]: Without dead ends: 8558 [2020-12-01 15:37:47,029 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 [2020-12-01 15:37:47,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8558 states. [2020-12-01 15:37:47,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8558 to 8229. [2020-12-01 15:37:47,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8229 states. [2020-12-01 15:37:47,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8229 states to 8229 states and 8614 transitions. [2020-12-01 15:37:47,171 INFO L78 Accepts]: Start accepts. Automaton has 8229 states and 8614 transitions. Word has length 844 [2020-12-01 15:37:47,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:37:47,173 INFO L481 AbstractCegarLoop]: Abstraction has 8229 states and 8614 transitions. [2020-12-01 15:37:47,173 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:37:47,173 INFO L276 IsEmpty]: Start isEmpty. Operand 8229 states and 8614 transitions. [2020-12-01 15:37:47,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 892 [2020-12-01 15:37:47,193 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:37:47,194 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:37:47,194 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-01 15:37:47,194 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:37:47,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:37:47,195 INFO L82 PathProgramCache]: Analyzing trace with hash 528844557, now seen corresponding path program 1 times [2020-12-01 15:37:47,196 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:37:47,196 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337061972] [2020-12-01 15:37:47,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:37:47,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:37:49,293 INFO L134 CoverageAnalysis]: Checked inductivity of 1403 backedges. 481 proven. 639 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2020-12-01 15:37:49,294 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337061972] [2020-12-01 15:37:49,294 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1193250577] [2020-12-01 15:37:49,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36d694aa-496b-49fc-8250-1f6a673e926c/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 [2020-12-01 15:37:49,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:37:49,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 1079 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 15:37:49,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:37:51,402 INFO L134 CoverageAnalysis]: Checked inductivity of 1403 backedges. 703 proven. 0 refuted. 0 times theorem prover too weak. 700 trivial. 0 not checked. [2020-12-01 15:37:51,402 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 15:37:51,403 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-12-01 15:37:51,403 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872209629] [2020-12-01 15:37:51,404 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:37:51,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:37:51,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:37:51,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-01 15:37:51,405 INFO L87 Difference]: Start difference. First operand 8229 states and 8614 transitions. Second operand 3 states. [2020-12-01 15:37:52,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:37:52,756 INFO L93 Difference]: Finished difference Result 16127 states and 16895 transitions. [2020-12-01 15:37:52,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:37:52,757 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 891 [2020-12-01 15:37:52,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:37:52,777 INFO L225 Difference]: With dead ends: 16127 [2020-12-01 15:37:52,777 INFO L226 Difference]: Without dead ends: 8229 [2020-12-01 15:37:52,785 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 895 GetRequests, 891 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-01 15:37:52,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8229 states. [2020-12-01 15:37:52,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8229 to 8229. [2020-12-01 15:37:52,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8229 states. [2020-12-01 15:37:52,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8229 states to 8229 states and 8564 transitions. [2020-12-01 15:37:52,958 INFO L78 Accepts]: Start accepts. Automaton has 8229 states and 8564 transitions. Word has length 891 [2020-12-01 15:37:52,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:37:52,960 INFO L481 AbstractCegarLoop]: Abstraction has 8229 states and 8564 transitions. [2020-12-01 15:37:52,960 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:37:52,960 INFO L276 IsEmpty]: Start isEmpty. Operand 8229 states and 8564 transitions. [2020-12-01 15:37:52,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1308 [2020-12-01 15:37:52,991 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:37:52,992 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:37:53,206 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-01 15:37:53,206 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:37:53,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:37:53,207 INFO L82 PathProgramCache]: Analyzing trace with hash -1400729056, now seen corresponding path program 1 times [2020-12-01 15:37:53,207 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:37:53,208 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85327064] [2020-12-01 15:37:53,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:37:53,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:37:55,337 INFO L134 CoverageAnalysis]: Checked inductivity of 3617 backedges. 2480 proven. 0 refuted. 0 times theorem prover too weak. 1137 trivial. 0 not checked. [2020-12-01 15:37:55,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85327064] [2020-12-01 15:37:55,338 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:37:55,338 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:37:55,338 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575904480] [2020-12-01 15:37:55,339 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:37:55,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:37:55,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:37:55,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:37:55,340 INFO L87 Difference]: Start difference. First operand 8229 states and 8564 transitions. Second operand 3 states. [2020-12-01 15:37:56,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:37:56,975 INFO L93 Difference]: Finished difference Result 16127 states and 16795 transitions. [2020-12-01 15:37:56,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:37:56,977 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1307 [2020-12-01 15:37:56,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:37:56,996 INFO L225 Difference]: With dead ends: 16127 [2020-12-01 15:37:56,996 INFO L226 Difference]: Without dead ends: 8229 [2020-12-01 15:37:57,005 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:37:57,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8229 states. [2020-12-01 15:37:57,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8229 to 8229. [2020-12-01 15:37:57,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8229 states. [2020-12-01 15:37:57,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8229 states to 8229 states and 8528 transitions. [2020-12-01 15:37:57,131 INFO L78 Accepts]: Start accepts. Automaton has 8229 states and 8528 transitions. Word has length 1307 [2020-12-01 15:37:57,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:37:57,134 INFO L481 AbstractCegarLoop]: Abstraction has 8229 states and 8528 transitions. [2020-12-01 15:37:57,134 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:37:57,139 INFO L276 IsEmpty]: Start isEmpty. Operand 8229 states and 8528 transitions. [2020-12-01 15:37:57,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1336 [2020-12-01 15:37:57,173 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:37:57,175 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:37:57,176 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-01 15:37:57,176 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:37:57,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:37:57,177 INFO L82 PathProgramCache]: Analyzing trace with hash -1241183592, now seen corresponding path program 1 times [2020-12-01 15:37:57,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:37:57,178 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690842510] [2020-12-01 15:37:57,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:37:57,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:37:59,248 INFO L134 CoverageAnalysis]: Checked inductivity of 3753 backedges. 2335 proven. 0 refuted. 0 times theorem prover too weak. 1418 trivial. 0 not checked. [2020-12-01 15:37:59,249 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690842510] [2020-12-01 15:37:59,249 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:37:59,249 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:37:59,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500165571] [2020-12-01 15:37:59,250 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:37:59,251 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:37:59,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:37:59,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:37:59,252 INFO L87 Difference]: Start difference. First operand 8229 states and 8528 transitions. Second operand 3 states. [2020-12-01 15:38:00,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:38:00,769 INFO L93 Difference]: Finished difference Result 17114 states and 17725 transitions. [2020-12-01 15:38:00,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:38:00,771 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1335 [2020-12-01 15:38:00,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:38:00,791 INFO L225 Difference]: With dead ends: 17114 [2020-12-01 15:38:00,791 INFO L226 Difference]: Without dead ends: 9216 [2020-12-01 15:38:00,801 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 [2020-12-01 15:38:00,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9216 states. [2020-12-01 15:38:00,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9216 to 9216. [2020-12-01 15:38:00,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9216 states. [2020-12-01 15:38:00,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9216 states to 9216 states and 9522 transitions. [2020-12-01 15:38:00,967 INFO L78 Accepts]: Start accepts. Automaton has 9216 states and 9522 transitions. Word has length 1335 [2020-12-01 15:38:00,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:38:00,969 INFO L481 AbstractCegarLoop]: Abstraction has 9216 states and 9522 transitions. [2020-12-01 15:38:00,969 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:38:00,969 INFO L276 IsEmpty]: Start isEmpty. Operand 9216 states and 9522 transitions. [2020-12-01 15:38:01,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1354 [2020-12-01 15:38:01,022 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:38:01,024 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:38:01,025 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-01 15:38:01,025 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:38:01,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:38:01,026 INFO L82 PathProgramCache]: Analyzing trace with hash -1932949363, now seen corresponding path program 1 times [2020-12-01 15:38:01,026 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:38:01,027 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377374467] [2020-12-01 15:38:01,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:38:01,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:38:02,896 INFO L134 CoverageAnalysis]: Checked inductivity of 3762 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 3443 trivial. 0 not checked. [2020-12-01 15:38:02,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377374467] [2020-12-01 15:38:02,897 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:38:02,897 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:38:02,898 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586089213] [2020-12-01 15:38:02,899 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:38:02,899 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:38:02,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:38:02,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:38:02,902 INFO L87 Difference]: Start difference. First operand 9216 states and 9522 transitions. Second operand 3 states. [2020-12-01 15:38:03,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:38:03,804 INFO L93 Difference]: Finished difference Result 9552 states and 9858 transitions. [2020-12-01 15:38:03,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:38:03,805 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1353 [2020-12-01 15:38:03,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:38:03,824 INFO L225 Difference]: With dead ends: 9552 [2020-12-01 15:38:03,824 INFO L226 Difference]: Without dead ends: 9216 [2020-12-01 15:38:03,827 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 [2020-12-01 15:38:03,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9216 states. [2020-12-01 15:38:03,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9216 to 9216. [2020-12-01 15:38:03,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9216 states. [2020-12-01 15:38:03,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9216 states to 9216 states and 9521 transitions. [2020-12-01 15:38:03,951 INFO L78 Accepts]: Start accepts. Automaton has 9216 states and 9521 transitions. Word has length 1353 [2020-12-01 15:38:03,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:38:03,953 INFO L481 AbstractCegarLoop]: Abstraction has 9216 states and 9521 transitions. [2020-12-01 15:38:03,953 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:38:03,953 INFO L276 IsEmpty]: Start isEmpty. Operand 9216 states and 9521 transitions. [2020-12-01 15:38:03,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1611 [2020-12-01 15:38:03,991 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:38:03,993 INFO L422 BasicCegarLoop]: trace histogram [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, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:38:03,993 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-01 15:38:03,993 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:38:03,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:38:03,995 INFO L82 PathProgramCache]: Analyzing trace with hash 1973348809, now seen corresponding path program 1 times [2020-12-01 15:38:03,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:38:03,995 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764499316] [2020-12-01 15:38:03,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:38:04,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:38:07,203 INFO L134 CoverageAnalysis]: Checked inductivity of 4907 backedges. 3413 proven. 0 refuted. 0 times theorem prover too weak. 1494 trivial. 0 not checked. [2020-12-01 15:38:07,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764499316] [2020-12-01 15:38:07,205 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:38:07,205 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-01 15:38:07,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283948309] [2020-12-01 15:38:07,207 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-01 15:38:07,207 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:38:07,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-01 15:38:07,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-12-01 15:38:07,219 INFO L87 Difference]: Start difference. First operand 9216 states and 9521 transitions. Second operand 6 states. [2020-12-01 15:38:09,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:38:09,639 INFO L93 Difference]: Finished difference Result 18180 states and 18788 transitions. [2020-12-01 15:38:09,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-01 15:38:09,640 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 1610 [2020-12-01 15:38:09,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:38:09,657 INFO L225 Difference]: With dead ends: 18180 [2020-12-01 15:38:09,657 INFO L226 Difference]: Without dead ends: 9295 [2020-12-01 15:38:09,666 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-12-01 15:38:09,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9295 states. [2020-12-01 15:38:09,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9295 to 9216. [2020-12-01 15:38:09,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9216 states. [2020-12-01 15:38:09,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9216 states to 9216 states and 9514 transitions. [2020-12-01 15:38:09,786 INFO L78 Accepts]: Start accepts. Automaton has 9216 states and 9514 transitions. Word has length 1610 [2020-12-01 15:38:09,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:38:09,788 INFO L481 AbstractCegarLoop]: Abstraction has 9216 states and 9514 transitions. [2020-12-01 15:38:09,788 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-01 15:38:09,788 INFO L276 IsEmpty]: Start isEmpty. Operand 9216 states and 9514 transitions. [2020-12-01 15:38:09,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1625 [2020-12-01 15:38:09,826 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:38:09,827 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:38:09,828 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-01 15:38:09,828 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:38:09,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:38:09,829 INFO L82 PathProgramCache]: Analyzing trace with hash 268372210, now seen corresponding path program 1 times [2020-12-01 15:38:09,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:38:09,830 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428760960] [2020-12-01 15:38:09,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:38:10,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:38:13,119 INFO L134 CoverageAnalysis]: Checked inductivity of 4755 backedges. 3298 proven. 0 refuted. 0 times theorem prover too weak. 1457 trivial. 0 not checked. [2020-12-01 15:38:13,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428760960] [2020-12-01 15:38:13,119 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:38:13,120 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-01 15:38:13,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666250869] [2020-12-01 15:38:13,121 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 15:38:13,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:38:13,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:38:13,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:38:13,123 INFO L87 Difference]: Start difference. First operand 9216 states and 9514 transitions. Second operand 4 states. [2020-12-01 15:38:14,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:38:14,869 INFO L93 Difference]: Finished difference Result 18123 states and 18717 transitions. [2020-12-01 15:38:14,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-01 15:38:14,870 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1624 [2020-12-01 15:38:14,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:38:14,882 INFO L225 Difference]: With dead ends: 18123 [2020-12-01 15:38:14,883 INFO L226 Difference]: Without dead ends: 9238 [2020-12-01 15:38:14,891 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:38:14,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9238 states. [2020-12-01 15:38:14,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9238 to 9216. [2020-12-01 15:38:14,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9216 states. [2020-12-01 15:38:15,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9216 states to 9216 states and 9512 transitions. [2020-12-01 15:38:15,006 INFO L78 Accepts]: Start accepts. Automaton has 9216 states and 9512 transitions. Word has length 1624 [2020-12-01 15:38:15,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:38:15,007 INFO L481 AbstractCegarLoop]: Abstraction has 9216 states and 9512 transitions. [2020-12-01 15:38:15,007 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 15:38:15,007 INFO L276 IsEmpty]: Start isEmpty. Operand 9216 states and 9512 transitions. [2020-12-01 15:38:15,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1708 [2020-12-01 15:38:15,043 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:38:15,044 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 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, 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, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:38:15,045 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-01 15:38:15,045 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:38:15,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:38:15,046 INFO L82 PathProgramCache]: Analyzing trace with hash -1062269854, now seen corresponding path program 1 times [2020-12-01 15:38:15,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:38:15,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572172088] [2020-12-01 15:38:15,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:38:15,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:38:17,683 INFO L134 CoverageAnalysis]: Checked inductivity of 5242 backedges. 359 proven. 0 refuted. 0 times theorem prover too weak. 4883 trivial. 0 not checked. [2020-12-01 15:38:17,684 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572172088] [2020-12-01 15:38:17,684 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:38:17,684 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-01 15:38:17,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793162062] [2020-12-01 15:38:17,685 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-01 15:38:17,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:38:17,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-01 15:38:17,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-12-01 15:38:17,687 INFO L87 Difference]: Start difference. First operand 9216 states and 9512 transitions. Second operand 6 states. [2020-12-01 15:38:19,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:38:19,219 INFO L93 Difference]: Finished difference Result 17820 states and 18397 transitions. [2020-12-01 15:38:19,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-01 15:38:19,220 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 1707 [2020-12-01 15:38:19,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:38:19,235 INFO L225 Difference]: With dead ends: 17820 [2020-12-01 15:38:19,235 INFO L226 Difference]: Without dead ends: 8887 [2020-12-01 15:38:19,242 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-12-01 15:38:19,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8887 states. [2020-12-01 15:38:19,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8887 to 8887. [2020-12-01 15:38:19,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8887 states. [2020-12-01 15:38:19,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8887 states to 8887 states and 9168 transitions. [2020-12-01 15:38:19,349 INFO L78 Accepts]: Start accepts. Automaton has 8887 states and 9168 transitions. Word has length 1707 [2020-12-01 15:38:19,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:38:19,351 INFO L481 AbstractCegarLoop]: Abstraction has 8887 states and 9168 transitions. [2020-12-01 15:38:19,351 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-01 15:38:19,351 INFO L276 IsEmpty]: Start isEmpty. Operand 8887 states and 9168 transitions. [2020-12-01 15:38:19,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1774 [2020-12-01 15:38:19,395 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:38:19,397 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 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, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 4, 4, 4, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:38:19,397 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-01 15:38:19,397 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:38:19,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:38:19,398 INFO L82 PathProgramCache]: Analyzing trace with hash 630194443, now seen corresponding path program 1 times [2020-12-01 15:38:19,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:38:19,399 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766873535] [2020-12-01 15:38:19,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:38:19,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:38:23,499 INFO L134 CoverageAnalysis]: Checked inductivity of 6450 backedges. 5014 proven. 140 refuted. 0 times theorem prover too weak. 1296 trivial. 0 not checked. [2020-12-01 15:38:23,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766873535] [2020-12-01 15:38:23,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1924387714] [2020-12-01 15:38:23,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_36d694aa-496b-49fc-8250-1f6a673e926c/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 [2020-12-01 15:38:24,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:38:24,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 2084 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-01 15:38:24,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:38:30,725 INFO L134 CoverageAnalysis]: Checked inductivity of 6450 backedges. 2549 proven. 201 refuted. 0 times theorem prover too weak. 3700 trivial. 0 not checked. [2020-12-01 15:38:30,725 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-01 15:38:30,726 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 3] total 9 [2020-12-01 15:38:30,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84671916] [2020-12-01 15:38:30,731 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-01 15:38:30,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:38:30,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-01 15:38:30,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-12-01 15:38:30,733 INFO L87 Difference]: Start difference. First operand 8887 states and 9168 transitions. Second operand 9 states. [2020-12-01 15:38:45,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:38:45,392 INFO L93 Difference]: Finished difference Result 23729 states and 24506 transitions. [2020-12-01 15:38:45,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-01 15:38:45,393 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1773 [2020-12-01 15:38:45,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:38:45,396 INFO L225 Difference]: With dead ends: 23729 [2020-12-01 15:38:45,396 INFO L226 Difference]: Without dead ends: 0 [2020-12-01 15:38:45,405 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1798 GetRequests, 1783 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2020-12-01 15:38:45,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-01 15:38:45,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-01 15:38:45,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-01 15:38:45,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-01 15:38:45,407 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1773 [2020-12-01 15:38:45,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:38:45,408 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:38:45,408 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-01 15:38:45,409 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-01 15:38:45,409 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 15:38:45,634 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-12-01 15:38:45,636 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-01 15:38:45,764 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 74 [2020-12-01 15:38:46,040 WARN L197 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 125 [2020-12-01 15:38:46,272 WARN L197 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 125 [2020-12-01 15:38:46,741 WARN L197 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 40 [2020-12-01 15:38:47,460 WARN L197 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 48 [2020-12-01 15:38:48,123 WARN L197 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 48 [2020-12-01 15:38:48,127 INFO L262 CegarLoopResult]: For program point L762(lines 762 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,127 INFO L262 CegarLoopResult]: For program point L696(lines 696 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,127 INFO L262 CegarLoopResult]: For program point L564(lines 564 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,127 INFO L262 CegarLoopResult]: For program point L366(lines 366 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,127 INFO L262 CegarLoopResult]: For program point L1357(lines 1357 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,128 INFO L262 CegarLoopResult]: For program point L300(lines 300 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,128 INFO L262 CegarLoopResult]: For program point L1159(lines 1159 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,128 INFO L262 CegarLoopResult]: For program point L1556(lines 1556 1773) no Hoare annotation was computed. [2020-12-01 15:38:48,128 INFO L262 CegarLoopResult]: For program point L499(lines 499 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,128 INFO L262 CegarLoopResult]: For program point L169-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,128 INFO L262 CegarLoopResult]: For program point L103-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,129 INFO L262 CegarLoopResult]: For program point L37-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,129 INFO L262 CegarLoopResult]: For program point L1028(lines 1028 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,129 INFO L262 CegarLoopResult]: For program point L434(lines 434 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,129 INFO L262 CegarLoopResult]: For program point L1425(lines 1425 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,129 INFO L262 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-12-01 15:38:48,129 INFO L262 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-12-01 15:38:48,130 INFO L262 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-12-01 15:38:48,130 INFO L262 CegarLoopResult]: For program point L1756(lines 1756 1773) no Hoare annotation was computed. [2020-12-01 15:38:48,130 INFO L262 CegarLoopResult]: For program point L1096(lines 1096 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,130 INFO L262 CegarLoopResult]: For program point L964(lines 964 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,130 INFO L262 CegarLoopResult]: For program point L898(lines 898 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,130 INFO L262 CegarLoopResult]: For program point L832(lines 832 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,131 INFO L262 CegarLoopResult]: For program point L634(lines 634 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,131 INFO L262 CegarLoopResult]: For program point L172-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,131 INFO L262 CegarLoopResult]: For program point L106-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,131 INFO L262 CegarLoopResult]: For program point L40-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,131 INFO L262 CegarLoopResult]: For program point L701(lines 701 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,131 INFO L262 CegarLoopResult]: For program point L1692(lines 1692 1773) no Hoare annotation was computed. [2020-12-01 15:38:48,132 INFO L262 CegarLoopResult]: For program point L1626(lines 1626 1773) no Hoare annotation was computed. [2020-12-01 15:38:48,132 INFO L262 CegarLoopResult]: For program point L1494(lines 1494 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,132 INFO L262 CegarLoopResult]: For program point L437(lines 437 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,132 INFO L262 CegarLoopResult]: For program point L371(lines 371 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,132 INFO L262 CegarLoopResult]: For program point L1296(lines 1296 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,132 INFO L262 CegarLoopResult]: For program point L239(lines 239 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,133 INFO L262 CegarLoopResult]: For program point L1230(lines 1230 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,133 INFO L262 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-12-01 15:38:48,133 INFO L262 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-12-01 15:38:48,133 INFO L262 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-12-01 15:38:48,133 INFO L262 CegarLoopResult]: For program point L768(lines 768 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,133 INFO L262 CegarLoopResult]: For program point L570(lines 570 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,134 INFO L262 CegarLoopResult]: For program point L1363(lines 1363 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,134 INFO L262 CegarLoopResult]: For program point L1165(lines 1165 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,134 INFO L262 CegarLoopResult]: For program point L505(lines 505 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,134 INFO L262 CegarLoopResult]: For program point L307(lines 307 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,134 INFO L262 CegarLoopResult]: For program point L175-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,134 INFO L262 CegarLoopResult]: For program point L109-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,135 INFO L262 CegarLoopResult]: For program point L43-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,135 INFO L262 CegarLoopResult]: For program point L1563(lines 1563 1773) no Hoare annotation was computed. [2020-12-01 15:38:48,135 INFO L262 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-12-01 15:38:48,135 INFO L262 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-12-01 15:38:48,135 INFO L262 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-12-01 15:38:48,135 INFO L262 CegarLoopResult]: For program point L1035(lines 1035 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,136 INFO L262 CegarLoopResult]: For program point L1762(lines 1762 1773) no Hoare annotation was computed. [2020-12-01 15:38:48,136 INFO L262 CegarLoopResult]: For program point L1432(lines 1432 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,136 INFO L262 CegarLoopResult]: For program point L1102(lines 1102 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,136 INFO L262 CegarLoopResult]: For program point L904(lines 904 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,136 INFO L262 CegarLoopResult]: For program point L838(lines 838 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,136 INFO L262 CegarLoopResult]: For program point L706(lines 706 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,137 INFO L262 CegarLoopResult]: For program point L1697(lines 1697 1773) no Hoare annotation was computed. [2020-12-01 15:38:48,137 INFO L262 CegarLoopResult]: For program point L1301(lines 1301 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,137 INFO L262 CegarLoopResult]: For program point L178-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,137 INFO L262 CegarLoopResult]: For program point L112-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,137 INFO L262 CegarLoopResult]: For program point L46-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,137 INFO L262 CegarLoopResult]: For program point L971(lines 971 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,138 INFO L262 CegarLoopResult]: For program point L773(lines 773 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,138 INFO L262 CegarLoopResult]: For program point L641(lines 641 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,138 INFO L262 CegarLoopResult]: For program point L1632(lines 1632 1773) no Hoare annotation was computed. [2020-12-01 15:38:48,138 INFO L262 CegarLoopResult]: For program point L377(lines 377 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,138 INFO L262 CegarLoopResult]: For program point L1368(lines 1368 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,138 INFO L262 CegarLoopResult]: For program point L245(lines 245 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,139 INFO L262 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-12-01 15:38:48,139 INFO L262 CegarLoopResult]: For program point L1170(lines 1170 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,139 INFO L262 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-12-01 15:38:48,139 INFO L262 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-12-01 15:38:48,142 INFO L258 CegarLoopResult]: At program point L1501(lines 33 1502) the Hoare annotation is: (let ((.cse0 (= ~a12~0 6))) (let ((.cse4 (= ~a12~0 9)) (.cse5 (= ~a15~0 3)) (.cse7 (not .cse0)) (.cse1 (= ~a15~0 4)) (.cse2 (<= ~a16~0 11)) (.cse6 (<= ~a12~0 7)) (.cse8 (< 0 (+ ~a18~0 79))) (.cse3 (<= ~a15~0 3))) (or (and .cse0 .cse1 .cse2) (and (= ~a12~0 8) .cse3) (and .cse4 .cse5 (= ~a16~0 9)) (and .cse6 .cse7 .cse3) (and (not (= ~a16~0 10)) .cse1 .cse2) (and .cse4 .cse5 (or (<= (+ ~a18~0 156) 0) .cse8) (= ~a16~0 8)) (and (<= 11 ~a16~0) .cse7 .cse3) (and .cse0 .cse2 .cse3) (and .cse1 .cse2 (<= ~a12~0 5)) (and .cse6 .cse8 .cse3)))) [2020-12-01 15:38:48,142 INFO L262 CegarLoopResult]: For program point L444(lines 444 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,142 INFO L262 CegarLoopResult]: For program point L1237(lines 1237 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,143 INFO L262 CegarLoopResult]: For program point L577(lines 577 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,143 INFO L262 CegarLoopResult]: For program point L511(lines 511 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,143 INFO L262 CegarLoopResult]: For program point L313(lines 313 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,143 INFO L262 CegarLoopResult]: For program point L181-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,143 INFO L262 CegarLoopResult]: For program point L115-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,143 INFO L262 CegarLoopResult]: For program point L49-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,143 INFO L262 CegarLoopResult]: For program point L1767(lines 1767 1773) no Hoare annotation was computed. [2020-12-01 15:38:48,143 INFO L262 CegarLoopResult]: For program point L1569(lines 1569 1773) no Hoare annotation was computed. [2020-12-01 15:38:48,143 INFO L262 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-12-01 15:38:48,143 INFO L262 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-12-01 15:38:48,143 INFO L262 CegarLoopResult]: For program point L1107(lines 1107 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,144 INFO L262 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-12-01 15:38:48,144 INFO L262 CegarLoopResult]: For program point L1041(lines 1041 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,144 INFO L262 CegarLoopResult]: For program point L909(lines 909 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,144 INFO L262 CegarLoopResult]: For program point L1438(lines 1438 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,144 INFO L262 CegarLoopResult]: For program point L844(lines 844 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,144 INFO L262 CegarLoopResult]: For program point L1703(lines 1703 1773) no Hoare annotation was computed. [2020-12-01 15:38:48,144 INFO L262 CegarLoopResult]: For program point L646(lines 646 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,144 INFO L262 CegarLoopResult]: For program point L1307(lines 1307 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,144 INFO L262 CegarLoopResult]: For program point L250(lines 250 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,144 INFO L262 CegarLoopResult]: For program point L184-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,144 INFO L262 CegarLoopResult]: For program point L118-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,144 INFO L262 CegarLoopResult]: For program point L52-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,144 INFO L262 CegarLoopResult]: For program point L977(lines 977 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,145 INFO L262 CegarLoopResult]: For program point L779(lines 779 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,145 INFO L262 CegarLoopResult]: For program point L713(lines 713 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,145 INFO L262 CegarLoopResult]: For program point L1638(lines 1638 1773) no Hoare annotation was computed. [2020-12-01 15:38:48,145 INFO L262 CegarLoopResult]: For program point L383(lines 383 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,145 INFO L262 CegarLoopResult]: For program point L1374(lines 1374 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,145 INFO L262 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-12-01 15:38:48,145 INFO L262 CegarLoopResult]: For program point L1176(lines 1176 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,145 INFO L262 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-12-01 15:38:48,145 INFO L262 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-12-01 15:38:48,145 INFO L262 CegarLoopResult]: For program point L1507(lines 1507 1773) no Hoare annotation was computed. [2020-12-01 15:38:48,145 INFO L262 CegarLoopResult]: For program point L450(lines 450 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,145 INFO L262 CegarLoopResult]: For program point L583(lines 583 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,145 INFO L262 CegarLoopResult]: For program point L319(lines 319 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,146 INFO L262 CegarLoopResult]: For program point L1244(lines 1244 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,146 INFO L262 CegarLoopResult]: For program point L187-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,146 INFO L262 CegarLoopResult]: For program point L121-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,146 INFO L262 CegarLoopResult]: For program point L55-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,146 INFO L262 CegarLoopResult]: For program point L1046(lines 1046 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,146 INFO L262 CegarLoopResult]: For program point L716(lines 716 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,147 INFO L262 CegarLoopResult]: For program point L518(lines 518 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,147 INFO L262 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-12-01 15:38:48,147 INFO L262 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-12-01 15:38:48,147 INFO L262 CegarLoopResult]: For program point L1113(lines 1113 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,147 INFO L262 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-12-01 15:38:48,147 INFO L262 CegarLoopResult]: For program point L915(lines 915 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,147 INFO L258 CegarLoopResult]: At program point L1774(lines 1504 1775) the Hoare annotation is: (let ((.cse0 (= ~a12~0 6)) (.cse1 (= ~a15~0 4)) (.cse2 (<= ~a16~0 11)) (.cse4 (<= ~a12~0 7)) (.cse5 (< 0 (+ ~a18~0 79))) (.cse3 (<= ~a15~0 3))) (or (and .cse0 .cse1 .cse2) (and (= ~a12~0 8) .cse3) (and (not (= ~a16~0 10)) .cse1 .cse2) (and .cse4 .cse2 .cse3) (and (<= 11 ~a16~0) (not .cse0) .cse3) (and (= ~a12~0 9) (= ~a15~0 3) .cse5 (= ~a16~0 8)) (and .cse1 .cse2 (<= ~a12~0 5)) (and .cse4 .cse5 .cse3))) [2020-12-01 15:38:48,147 INFO L262 CegarLoopResult]: For program point L651(lines 651 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,147 INFO L262 CegarLoopResult]: For program point L1576(lines 1576 1773) no Hoare annotation was computed. [2020-12-01 15:38:48,147 INFO L262 CegarLoopResult]: For program point L453(lines 453 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,147 INFO L262 CegarLoopResult]: For program point L1444(lines 1444 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,148 INFO L262 CegarLoopResult]: For program point L850(lines 850 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,148 INFO L262 CegarLoopResult]: For program point L1709(lines 1709 1773) no Hoare annotation was computed. [2020-12-01 15:38:48,148 INFO L262 CegarLoopResult]: For program point L1643(lines 1643 1773) no Hoare annotation was computed. [2020-12-01 15:38:48,148 INFO L262 CegarLoopResult]: For program point L1313(lines 1313 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,148 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-01 15:38:48,148 INFO L262 CegarLoopResult]: For program point L256(lines 256 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,148 INFO L262 CegarLoopResult]: For program point L190-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,148 INFO L262 CegarLoopResult]: For program point L124-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,149 INFO L262 CegarLoopResult]: For program point L58-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,149 INFO L262 CegarLoopResult]: For program point L785(lines 785 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,149 INFO L262 CegarLoopResult]: For program point L1380(lines 1380 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,149 INFO L262 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-12-01 15:38:48,149 INFO L262 CegarLoopResult]: For program point L1182(lines 1182 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,149 INFO L262 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-12-01 15:38:48,150 INFO L262 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-12-01 15:38:48,150 INFO L262 CegarLoopResult]: For program point L984(lines 984 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,150 INFO L265 CegarLoopResult]: At program point L1777(lines 1777 1793) the Hoare annotation is: true [2020-12-01 15:38:48,150 INFO L262 CegarLoopResult]: For program point L588(lines 588 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,150 INFO L262 CegarLoopResult]: For program point L1513(lines 1513 1773) no Hoare annotation was computed. [2020-12-01 15:38:48,150 INFO L262 CegarLoopResult]: For program point L390(lines 390 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,151 INFO L262 CegarLoopResult]: For program point L325(lines 325 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,151 INFO L262 CegarLoopResult]: For program point L193-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,151 INFO L262 CegarLoopResult]: For program point L127-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,151 INFO L262 CegarLoopResult]: For program point L61-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,151 INFO L262 CegarLoopResult]: For program point L1052(lines 1052 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,151 INFO L262 CegarLoopResult]: For program point L788(lines 788 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,152 INFO L262 CegarLoopResult]: For program point L722(lines 722 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,152 INFO L262 CegarLoopResult]: For program point L1251(lines 1251 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,152 INFO L262 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-12-01 15:38:48,152 INFO L262 CegarLoopResult]: For program point L1185(lines 1185 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,152 INFO L262 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-12-01 15:38:48,152 INFO L262 CegarLoopResult]: For program point L1119(lines 1119 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,153 INFO L262 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-12-01 15:38:48,153 INFO L262 CegarLoopResult]: For program point L1714(lines 1714 1773) no Hoare annotation was computed. [2020-12-01 15:38:48,153 INFO L262 CegarLoopResult]: For program point L1648(lines 1648 1773) no Hoare annotation was computed. [2020-12-01 15:38:48,153 INFO L262 CegarLoopResult]: For program point L525(lines 525 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,153 INFO L262 CegarLoopResult]: For program point L459(lines 459 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,153 INFO L262 CegarLoopResult]: For program point L1450(lines 1450 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,154 INFO L262 CegarLoopResult]: For program point L922(lines 922 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,154 INFO L262 CegarLoopResult]: For program point L856(lines 856 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,154 INFO L262 CegarLoopResult]: For program point L658(lines 658 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,154 INFO L262 CegarLoopResult]: For program point L1583(lines 1583 1773) no Hoare annotation was computed. [2020-12-01 15:38:48,154 INFO L262 CegarLoopResult]: For program point L1385(lines 1385 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,154 INFO L262 CegarLoopResult]: For program point L1319(lines 1319 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,155 INFO L262 CegarLoopResult]: For program point L262(lines 262 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,155 INFO L262 CegarLoopResult]: For program point L196-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,155 INFO L262 CegarLoopResult]: For program point L130-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,155 INFO L262 CegarLoopResult]: For program point L64-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,155 INFO L262 CegarLoopResult]: For program point L989(lines 989 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,155 INFO L262 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-12-01 15:38:48,156 INFO L262 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-12-01 15:38:48,156 INFO L262 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-12-01 15:38:48,156 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-01 15:38:48,156 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2020-12-01 15:38:48,157 INFO L258 CegarLoopResult]: At program point L1783-2(lines 1783 1792) the Hoare annotation is: (let ((.cse0 (= ~a12~0 6))) (let ((.cse4 (= ~a12~0 9)) (.cse5 (= ~a15~0 3)) (.cse7 (not .cse0)) (.cse1 (= ~a15~0 4)) (.cse2 (<= ~a16~0 11)) (.cse6 (<= ~a12~0 7)) (.cse8 (< 0 (+ ~a18~0 79))) (.cse3 (<= ~a15~0 3))) (or (and .cse0 .cse1 .cse2) (and (= ~a12~0 8) .cse3) (and .cse4 .cse5 (= ~a16~0 9)) (and .cse6 .cse7 .cse3) (and (not (= ~a16~0 10)) .cse1 .cse2) (and .cse4 .cse5 (or (<= (+ ~a18~0 156) 0) .cse8) (= ~a16~0 8)) (and (<= 11 ~a16~0) .cse7 .cse3) (and .cse0 .cse2 .cse3) (and .cse1 .cse2 (<= ~a12~0 5)) (and .cse6 .cse8 .cse3)))) [2020-12-01 15:38:48,157 INFO L262 CegarLoopResult]: For program point L594(lines 594 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,157 INFO L262 CegarLoopResult]: For program point L396(lines 396 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,157 INFO L262 CegarLoopResult]: For program point L727(lines 727 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,157 INFO L262 CegarLoopResult]: For program point L1520(lines 1520 1773) no Hoare annotation was computed. [2020-12-01 15:38:48,157 INFO L262 CegarLoopResult]: For program point L331(lines 331 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,158 INFO L262 CegarLoopResult]: For program point L199-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,158 INFO L262 CegarLoopResult]: For program point L133-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,158 INFO L262 CegarLoopResult]: For program point L1124(lines 1124 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,158 INFO L262 CegarLoopResult]: For program point L67-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,158 INFO L262 CegarLoopResult]: For program point L1058(lines 1058 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,158 INFO L262 CegarLoopResult]: For program point L794(lines 794 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,159 INFO L262 CegarLoopResult]: For program point L1719(lines 1719 1773) no Hoare annotation was computed. [2020-12-01 15:38:48,159 INFO L262 CegarLoopResult]: For program point L464(lines 464 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,159 INFO L262 CegarLoopResult]: For program point L1257(lines 1257 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,159 INFO L262 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-12-01 15:38:48,159 INFO L262 CegarLoopResult]: For program point L1191(lines 1191 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,159 INFO L262 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-12-01 15:38:48,160 INFO L262 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-12-01 15:38:48,160 INFO L262 CegarLoopResult]: For program point L927(lines 927 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,160 INFO L262 CegarLoopResult]: For program point L861(lines 861 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,160 INFO L262 CegarLoopResult]: For program point L531(lines 531 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,160 INFO L262 CegarLoopResult]: For program point L1456(lines 1456 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,160 INFO L262 CegarLoopResult]: For program point L1324(lines 1324 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,161 INFO L262 CegarLoopResult]: For program point L267(lines 267 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,161 INFO L262 CegarLoopResult]: For program point L1655(lines 1655 1773) no Hoare annotation was computed. [2020-12-01 15:38:48,161 INFO L262 CegarLoopResult]: For program point L1589(lines 1589 1773) no Hoare annotation was computed. [2020-12-01 15:38:48,161 INFO L262 CegarLoopResult]: For program point L1391(lines 1391 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,161 INFO L262 CegarLoopResult]: For program point L202-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,161 INFO L262 CegarLoopResult]: For program point L136-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,162 INFO L262 CegarLoopResult]: For program point L70-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,162 INFO L262 CegarLoopResult]: For program point L1788(line 1788) no Hoare annotation was computed. [2020-12-01 15:38:48,162 INFO L262 CegarLoopResult]: For program point L665(lines 665 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,162 INFO L262 CegarLoopResult]: For program point L599(lines 599 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,162 INFO L262 CegarLoopResult]: For program point L467(lines 467 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,162 INFO L262 CegarLoopResult]: For program point L401(lines 401 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,163 INFO L262 CegarLoopResult]: For program point L1260(lines 1260 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,163 INFO L262 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-12-01 15:38:48,163 INFO L262 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-12-01 15:38:48,163 INFO L262 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-12-01 15:38:48,163 INFO L262 CegarLoopResult]: For program point L996(lines 996 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,163 INFO L262 CegarLoopResult]: For program point L1525(lines 1525 1773) no Hoare annotation was computed. [2020-12-01 15:38:48,164 INFO L262 CegarLoopResult]: For program point L1459(lines 1459 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,164 INFO L262 CegarLoopResult]: For program point L799(lines 799 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,164 INFO L262 CegarLoopResult]: For program point L733(lines 733 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,164 INFO L262 CegarLoopResult]: For program point L337(lines 337 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,164 INFO L262 CegarLoopResult]: For program point L205-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,164 INFO L262 CegarLoopResult]: For program point L139-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,165 INFO L262 CegarLoopResult]: For program point L1130(lines 1130 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,165 INFO L262 CegarLoopResult]: For program point L73-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,165 INFO L262 CegarLoopResult]: For program point L932(lines 932 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,165 INFO L262 CegarLoopResult]: For program point L1725(lines 1725 1773) no Hoare annotation was computed. [2020-12-01 15:38:48,165 INFO L262 CegarLoopResult]: For program point L272(lines 272 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,165 INFO L262 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-12-01 15:38:48,166 INFO L262 CegarLoopResult]: For program point L1197(lines 1197 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,166 INFO L262 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-12-01 15:38:48,166 INFO L262 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-12-01 15:38:48,166 INFO L262 CegarLoopResult]: For program point L1065(lines 1065 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,166 INFO L262 CegarLoopResult]: For program point L867(lines 867 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,166 INFO L262 CegarLoopResult]: For program point L537(lines 537 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,167 INFO L262 CegarLoopResult]: For program point L1396(lines 1396 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,167 INFO L262 CegarLoopResult]: For program point L1661(lines 1661 1773) no Hoare annotation was computed. [2020-12-01 15:38:48,167 INFO L262 CegarLoopResult]: For program point L604(lines 604 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,167 INFO L262 CegarLoopResult]: For program point L1595(lines 1595 1773) no Hoare annotation was computed. [2020-12-01 15:38:48,167 INFO L262 CegarLoopResult]: For program point L1331(lines 1331 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,167 INFO L262 CegarLoopResult]: For program point L208-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,168 INFO L262 CegarLoopResult]: For program point L142-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,168 INFO L262 CegarLoopResult]: For program point L76-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,168 INFO L262 CegarLoopResult]: For program point L671(lines 671 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,168 INFO L262 CegarLoopResult]: For program point L473(lines 473 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,168 INFO L262 CegarLoopResult]: For program point L1266(lines 1266 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,168 INFO L262 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-12-01 15:38:48,169 INFO L262 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-12-01 15:38:48,169 INFO L262 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-12-01 15:38:48,169 INFO L262 CegarLoopResult]: For program point L738(lines 738 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,169 INFO L262 CegarLoopResult]: For program point L1531(lines 1531 1773) no Hoare annotation was computed. [2020-12-01 15:38:48,169 INFO L262 CegarLoopResult]: For program point L408(lines 408 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,169 INFO L262 CegarLoopResult]: For program point L1135(lines 1135 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,170 INFO L262 CegarLoopResult]: For program point L1003(lines 1003 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,170 INFO L262 CegarLoopResult]: For program point L1466(lines 1466 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,170 INFO L262 CegarLoopResult]: For program point L343(lines 343 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,170 INFO L262 CegarLoopResult]: For program point L211-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,170 INFO L262 CegarLoopResult]: For program point L145-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,170 INFO L262 CegarLoopResult]: For program point L79-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,171 INFO L262 CegarLoopResult]: For program point L13(line 13) no Hoare annotation was computed. [2020-12-01 15:38:48,171 INFO L262 CegarLoopResult]: For program point L806(lines 806 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,171 INFO L262 CegarLoopResult]: For program point L1731(lines 1731 1773) no Hoare annotation was computed. [2020-12-01 15:38:48,171 INFO L262 CegarLoopResult]: For program point L674(lines 674 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,171 INFO L262 CegarLoopResult]: For program point L278(lines 278 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,171 INFO L262 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-12-01 15:38:48,171 INFO L262 CegarLoopResult]: For program point L1203(lines 1203 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,172 INFO L262 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-12-01 15:38:48,172 INFO L262 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-12-01 15:38:48,172 INFO L262 CegarLoopResult]: For program point L1071(lines 1071 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,172 INFO L262 CegarLoopResult]: For program point L939(lines 939 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,172 INFO L262 CegarLoopResult]: For program point L873(lines 873 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,173 INFO L262 CegarLoopResult]: For program point L1666(lines 1666 1773) no Hoare annotation was computed. [2020-12-01 15:38:48,173 INFO L262 CegarLoopResult]: For program point L543(lines 543 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,173 INFO L262 CegarLoopResult]: For program point L1402(lines 1402 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,173 INFO L262 CegarLoopResult]: For program point L610(lines 610 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,173 INFO L262 CegarLoopResult]: For program point L1601(lines 1601 1773) no Hoare annotation was computed. [2020-12-01 15:38:48,173 INFO L262 CegarLoopResult]: For program point L1337(lines 1337 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,174 INFO L262 CegarLoopResult]: For program point L214-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,174 INFO L262 CegarLoopResult]: For program point L148-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,174 INFO L262 CegarLoopResult]: For program point L82-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,174 INFO L262 CegarLoopResult]: For program point L479(lines 479 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,174 INFO L262 CegarLoopResult]: For program point L1272(lines 1272 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,174 INFO L262 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-12-01 15:38:48,174 INFO L262 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-12-01 15:38:48,175 INFO L262 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-12-01 15:38:48,175 INFO L262 CegarLoopResult]: For program point L744(lines 744 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,175 INFO L262 CegarLoopResult]: For program point L1537(lines 1537 1773) no Hoare annotation was computed. [2020-12-01 15:38:48,175 INFO L262 CegarLoopResult]: For program point L1471(lines 1471 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,175 INFO L262 CegarLoopResult]: For program point L414(lines 414 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,175 INFO L262 CegarLoopResult]: For program point L348(lines 348 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,176 INFO L262 CegarLoopResult]: For program point L1141(lines 1141 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,176 INFO L262 CegarLoopResult]: For program point L1009(lines 1009 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,176 INFO L262 CegarLoopResult]: For program point L151-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,176 INFO L262 CegarLoopResult]: For program point L85-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,176 INFO L262 CegarLoopResult]: For program point L812(lines 812 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,176 INFO L262 CegarLoopResult]: For program point L1737(lines 1737 1773) no Hoare annotation was computed. [2020-12-01 15:38:48,177 INFO L262 CegarLoopResult]: For program point L680(lines 680 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,177 INFO L262 CegarLoopResult]: For program point L548(lines 548 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,177 INFO L262 CegarLoopResult]: For program point L1407(lines 1407 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,177 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-01 15:38:48,177 INFO L262 CegarLoopResult]: For program point L284(lines 284 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,177 INFO L262 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-12-01 15:38:48,178 INFO L262 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-12-01 15:38:48,178 INFO L262 CegarLoopResult]: For program point L1077(lines 1077 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,178 INFO L262 CegarLoopResult]: For program point L945(lines 945 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,178 INFO L262 CegarLoopResult]: For program point L879(lines 879 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,178 INFO L262 CegarLoopResult]: For program point L1210(lines 1210 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,178 INFO L262 CegarLoopResult]: For program point L1673(lines 1673 1773) no Hoare annotation was computed. [2020-12-01 15:38:48,178 INFO L262 CegarLoopResult]: For program point L616(lines 616 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,178 INFO L262 CegarLoopResult]: For program point L1607(lines 1607 1773) no Hoare annotation was computed. [2020-12-01 15:38:48,178 INFO L262 CegarLoopResult]: For program point L1277(lines 1277 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,178 INFO L262 CegarLoopResult]: For program point L154-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,179 INFO L262 CegarLoopResult]: For program point L88-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,179 INFO L262 CegarLoopResult]: For program point L1476(lines 1476 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,179 INFO L262 CegarLoopResult]: For program point L1344(lines 1344 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,179 INFO L262 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-12-01 15:38:48,179 INFO L262 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-12-01 15:38:48,179 INFO L262 CegarLoopResult]: For program point L486(lines 486 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,179 INFO L262 CegarLoopResult]: For program point L1147(lines 1147 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,179 INFO L262 CegarLoopResult]: For program point L1015(lines 1015 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,179 INFO L262 CegarLoopResult]: For program point L751(lines 751 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,179 INFO L262 CegarLoopResult]: For program point L553(lines 553 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,179 INFO L262 CegarLoopResult]: For program point L1544(lines 1544 1773) no Hoare annotation was computed. [2020-12-01 15:38:48,179 INFO L262 CegarLoopResult]: For program point L421(lines 421 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,179 INFO L262 CegarLoopResult]: For program point L355(lines 355 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,180 INFO L262 CegarLoopResult]: For program point L289(lines 289 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,180 INFO L262 CegarLoopResult]: For program point L223(lines 223 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,180 INFO L262 CegarLoopResult]: For program point L157-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,180 INFO L262 CegarLoopResult]: For program point L91-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,180 INFO L262 CegarLoopResult]: For program point L818(lines 818 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,180 INFO L262 CegarLoopResult]: For program point L1743(lines 1743 1773) no Hoare annotation was computed. [2020-12-01 15:38:48,180 INFO L262 CegarLoopResult]: For program point L1413(lines 1413 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,180 INFO L262 CegarLoopResult]: For program point L1215(lines 1215 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,180 INFO L262 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-12-01 15:38:48,180 INFO L262 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-12-01 15:38:48,180 INFO L262 CegarLoopResult]: For program point L1083(lines 1083 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,180 INFO L262 CegarLoopResult]: For program point L885(lines 885 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,180 INFO L262 CegarLoopResult]: For program point L687(lines 687 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,180 INFO L262 CegarLoopResult]: For program point L952(lines 952 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,181 INFO L262 CegarLoopResult]: For program point L1679(lines 1679 1773) no Hoare annotation was computed. [2020-12-01 15:38:48,181 INFO L262 CegarLoopResult]: For program point L622(lines 622 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,181 INFO L262 CegarLoopResult]: For program point L1613(lines 1613 1773) no Hoare annotation was computed. [2020-12-01 15:38:48,181 INFO L262 CegarLoopResult]: For program point L160-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,181 INFO L262 CegarLoopResult]: For program point L94-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,181 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-01 15:38:48,181 INFO L262 CegarLoopResult]: For program point L1482(lines 1482 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,181 INFO L262 CegarLoopResult]: For program point L1284(lines 1284 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,181 INFO L262 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-12-01 15:38:48,182 INFO L262 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-12-01 15:38:48,182 INFO L262 CegarLoopResult]: For program point L756(lines 756 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,182 INFO L262 CegarLoopResult]: For program point L690(lines 690 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,182 INFO L262 CegarLoopResult]: For program point L558(lines 558 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,182 INFO L262 CegarLoopResult]: For program point L360(lines 360 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,182 INFO L262 CegarLoopResult]: For program point L1351(lines 1351 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,182 INFO L262 CegarLoopResult]: For program point L228(lines 228 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,182 INFO L262 CegarLoopResult]: For program point L1153(lines 1153 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,182 INFO L262 CegarLoopResult]: For program point L1021(lines 1021 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,183 INFO L262 CegarLoopResult]: For program point L1550(lines 1550 1773) no Hoare annotation was computed. [2020-12-01 15:38:48,183 INFO L262 CegarLoopResult]: For program point L493(lines 493 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,183 INFO L262 CegarLoopResult]: For program point L427(lines 427 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,183 INFO L262 CegarLoopResult]: For program point L295(lines 295 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,183 INFO L262 CegarLoopResult]: For program point L163-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,183 INFO L262 CegarLoopResult]: For program point L97-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,183 INFO L262 CegarLoopResult]: For program point L1749(lines 1749 1773) no Hoare annotation was computed. [2020-12-01 15:38:48,183 INFO L262 CegarLoopResult]: For program point L1419(lines 1419 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,183 INFO L262 CegarLoopResult]: For program point L1221(lines 1221 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,183 INFO L262 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-12-01 15:38:48,183 INFO L262 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-12-01 15:38:48,183 INFO L262 CegarLoopResult]: For program point L1089(lines 1089 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,183 INFO L262 CegarLoopResult]: For program point L825(lines 825 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,183 INFO L262 CegarLoopResult]: For program point L958(lines 958 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,184 INFO L262 CegarLoopResult]: For program point L892(lines 892 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,184 INFO L262 CegarLoopResult]: For program point L1685(lines 1685 1773) no Hoare annotation was computed. [2020-12-01 15:38:48,184 INFO L262 CegarLoopResult]: For program point L628(lines 628 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,184 INFO L262 CegarLoopResult]: For program point L1619(lines 1619 1773) no Hoare annotation was computed. [2020-12-01 15:38:48,184 INFO L262 CegarLoopResult]: For program point L1487(lines 1487 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,184 INFO L262 CegarLoopResult]: For program point L166-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,184 INFO L262 CegarLoopResult]: For program point L100-1(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,184 INFO L262 CegarLoopResult]: For program point L34(lines 34 36) no Hoare annotation was computed. [2020-12-01 15:38:48,184 INFO L262 CegarLoopResult]: For program point L34-2(lines 33 1502) no Hoare annotation was computed. [2020-12-01 15:38:48,184 INFO L262 CegarLoopResult]: For program point L1290(lines 1290 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,184 INFO L262 CegarLoopResult]: For program point L233(lines 233 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,184 INFO L262 CegarLoopResult]: For program point L1224(lines 1224 1500) no Hoare annotation was computed. [2020-12-01 15:38:48,184 INFO L262 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-12-01 15:38:48,184 INFO L262 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-12-01 15:38:48,185 INFO L262 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-12-01 15:38:48,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 03:38:48 BoogieIcfgContainer [2020-12-01 15:38:48,234 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 15:38:48,248 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 15:38:48,248 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 15:38:48,249 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 15:38:48,249 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:37:20" (3/4) ... [2020-12-01 15:38:48,253 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 15:38:48,313 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-12-01 15:38:48,317 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-01 15:38:48,321 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 15:38:48,325 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 15:38:48,693 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_36d694aa-496b-49fc-8250-1f6a673e926c/bin/uautomizer/witness.graphml [2020-12-01 15:38:48,693 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 15:38:48,695 INFO L168 Benchmark]: Toolchain (without parser) took 93241.53 ms. Allocated memory was 96.5 MB in the beginning and 3.5 GB in the end (delta: 3.4 GB). Free memory was 52.3 MB in the beginning and 3.1 GB in the end (delta: -3.0 GB). Peak memory consumption was 367.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:38:48,696 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 96.5 MB. Free memory is still 73.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:38:48,696 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1270.52 ms. Allocated memory was 96.5 MB in the beginning and 127.9 MB in the end (delta: 31.5 MB). Free memory was 52.1 MB in the beginning and 52.1 MB in the end (delta: -13.4 kB). Peak memory consumption was 35.2 MB. Max. memory is 16.1 GB. [2020-12-01 15:38:48,697 INFO L168 Benchmark]: Boogie Procedure Inliner took 242.60 ms. Allocated memory is still 127.9 MB. Free memory was 52.1 MB in the beginning and 84.8 MB in the end (delta: -32.7 MB). Peak memory consumption was 25.3 MB. Max. memory is 16.1 GB. [2020-12-01 15:38:48,697 INFO L168 Benchmark]: Boogie Preprocessor took 164.39 ms. Allocated memory is still 127.9 MB. Free memory was 84.8 MB in the beginning and 70.0 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-01 15:38:48,698 INFO L168 Benchmark]: RCFGBuilder took 2969.97 ms. Allocated memory was 127.9 MB in the beginning and 209.7 MB in the end (delta: 81.8 MB). Free memory was 70.0 MB in the beginning and 136.3 MB in the end (delta: -66.2 MB). Peak memory consumption was 78.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:38:48,698 INFO L168 Benchmark]: TraceAbstraction took 88136.95 ms. Allocated memory was 209.7 MB in the beginning and 3.5 GB in the end (delta: 3.3 GB). Free memory was 135.2 MB in the beginning and 3.1 GB in the end (delta: -3.0 GB). Peak memory consumption was 2.1 GB. Max. memory is 16.1 GB. [2020-12-01 15:38:48,699 INFO L168 Benchmark]: Witness Printer took 445.19 ms. Allocated memory is still 3.5 GB. Free memory was 3.1 GB in the beginning and 3.1 GB in the end (delta: 37.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. [2020-12-01 15:38:48,702 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 96.5 MB. Free memory is still 73.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1270.52 ms. Allocated memory was 96.5 MB in the beginning and 127.9 MB in the end (delta: 31.5 MB). Free memory was 52.1 MB in the beginning and 52.1 MB in the end (delta: -13.4 kB). Peak memory consumption was 35.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 242.60 ms. Allocated memory is still 127.9 MB. Free memory was 52.1 MB in the beginning and 84.8 MB in the end (delta: -32.7 MB). Peak memory consumption was 25.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 164.39 ms. Allocated memory is still 127.9 MB. Free memory was 84.8 MB in the beginning and 70.0 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2969.97 ms. Allocated memory was 127.9 MB in the beginning and 209.7 MB in the end (delta: 81.8 MB). Free memory was 70.0 MB in the beginning and 136.3 MB in the end (delta: -66.2 MB). Peak memory consumption was 78.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 88136.95 ms. Allocated memory was 209.7 MB in the beginning and 3.5 GB in the end (delta: 3.3 GB). Free memory was 135.2 MB in the beginning and 3.1 GB in the end (delta: -3.0 GB). Peak memory consumption was 2.1 GB. Max. memory is 16.1 GB. * Witness Printer took 445.19 ms. Allocated memory is still 3.5 GB. Free memory was 3.1 GB in the beginning and 3.1 GB in the end (delta: 37.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 13]: 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: 1504]: Loop Invariant Derived loop invariant: ((((((((a12 == 6 && a15 == 4) && a16 <= 11) || (a12 == 8 && a15 <= 3)) || ((!(a16 == 10) && a15 == 4) && a16 <= 11)) || ((a12 <= 7 && a16 <= 11) && a15 <= 3)) || ((11 <= a16 && !(a12 == 6)) && a15 <= 3)) || (((a12 == 9 && a15 == 3) && 0 < a18 + 79) && a16 == 8)) || ((a15 == 4 && a16 <= 11) && a12 <= 5)) || ((a12 <= 7 && 0 < a18 + 79) && a15 <= 3) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((((((((a12 == 6 && a15 == 4) && a16 <= 11) || (a12 == 8 && a15 <= 3)) || ((a12 == 9 && a15 == 3) && a16 == 9)) || ((a12 <= 7 && !(a12 == 6)) && a15 <= 3)) || ((!(a16 == 10) && a15 == 4) && a16 <= 11)) || (((a12 == 9 && a15 == 3) && (a18 + 156 <= 0 || 0 < a18 + 79)) && a16 == 8)) || ((11 <= a16 && !(a12 == 6)) && a15 <= 3)) || ((a12 == 6 && a16 <= 11) && a15 <= 3)) || ((a15 == 4 && a16 <= 11) && a12 <= 5)) || ((a12 <= 7 && 0 < a18 + 79) && a15 <= 3) - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: ((((((((((a12 == 6 && a15 == 4) && a16 <= 11) || (a12 == 8 && a15 <= 3)) || ((a12 == 9 && a15 == 3) && a16 == 9)) || ((a12 <= 7 && !(a12 == 6)) && a15 <= 3)) || ((!(a16 == 10) && a15 == 4) && a16 <= 11)) || (((a12 == 9 && a15 == 3) && (a18 + 156 <= 0 || 0 < a18 + 79)) && a16 == 8)) || ((11 <= a16 && !(a12 == 6)) && a15 <= 3)) || ((a12 == 6 && a16 <= 11) && a15 <= 3)) || ((a15 == 4 && a16 <= 11) && a12 <= 5)) || ((a12 <= 7 && 0 < a18 + 79) && a15 <= 3) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 397 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 85.3s, OverallIterations: 17, TraceHistogramMax: 11, AutomataDifference: 46.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4626 SDtfs, 6889 SDslu, 432 SDs, 0 SdLazy, 30080 SolverSat, 2597 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 31.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3183 GetRequests, 3136 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9216occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.8s AutomataMinimizationTime, 17 MinimizatonAttempts, 2075 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 176 NumberOfFragments, 316 HoareAnnotationTreeSize, 4 FomulaSimplifications, 7532 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 4 FomulaSimplificationsInter, 3243 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 15.5s InterpolantComputationTime, 17394 NumberOfCodeBlocks, 17394 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 17374 ConstructedInterpolants, 0 QuantifiedInterpolants, 54263921 SizeOfPredicates, 1 NumberOfNonLiveVariables, 3708 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 20 InterpolantComputations, 16 PerfectInterpolantSequences, 43118/44134 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...