./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem15_label20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5bb5a44c-98f9-4fb5-89b2-40eee5ab91f2/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_5bb5a44c-98f9-4fb5-89b2-40eee5ab91f2/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5bb5a44c-98f9-4fb5-89b2-40eee5ab91f2/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5bb5a44c-98f9-4fb5-89b2-40eee5ab91f2/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label20.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5bb5a44c-98f9-4fb5-89b2-40eee5ab91f2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5bb5a44c-98f9-4fb5-89b2-40eee5ab91f2/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 7bd2985f660b19340ae7013a5ce2561bd08d1535 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 19:34:22,969 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:34:22,972 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:34:23,097 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:34:23,098 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:34:23,107 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:34:23,110 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:34:23,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:34:23,121 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:34:23,128 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:34:23,130 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:34:23,132 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:34:23,133 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:34:23,137 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:34:23,139 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:34:23,142 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:34:23,144 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:34:23,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:34:23,153 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:34:23,162 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:34:23,165 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:34:23,169 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:34:23,172 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:34:23,173 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:34:23,185 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:34:23,185 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:34:23,186 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:34:23,188 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:34:23,189 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:34:23,191 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:34:23,191 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:34:23,193 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:34:23,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:34:23,197 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:34:23,199 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:34:23,199 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:34:23,200 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:34:23,201 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:34:23,201 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:34:23,202 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:34:23,203 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:34:23,206 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5bb5a44c-98f9-4fb5-89b2-40eee5ab91f2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 19:34:23,256 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:34:23,257 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:34:23,259 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:34:23,260 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:34:23,260 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:34:23,260 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:34:23,261 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:34:23,261 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:34:23,261 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:34:23,261 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:34:23,263 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:34:23,263 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:34:23,263 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:34:23,264 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:34:23,264 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:34:23,264 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:34:23,265 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:34:23,265 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:34:23,265 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:34:23,266 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:34:23,266 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 19:34:23,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:34:23,267 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:34:23,267 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:34:23,267 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:34:23,267 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 19:34:23,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 19:34:23,268 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:34:23,268 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:34:23,269 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_5bb5a44c-98f9-4fb5-89b2-40eee5ab91f2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5bb5a44c-98f9-4fb5-89b2-40eee5ab91f2/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7bd2985f660b19340ae7013a5ce2561bd08d1535 [2020-11-29 19:34:23,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:34:23,655 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:34:23,658 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:34:23,660 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:34:23,662 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:34:23,663 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5bb5a44c-98f9-4fb5-89b2-40eee5ab91f2/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem15_label20.c [2020-11-29 19:34:23,763 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5bb5a44c-98f9-4fb5-89b2-40eee5ab91f2/bin/uautomizer/data/7e3e7ed84/1c3e8e94df924d8cb6e721ec8e29a78c/FLAG6d896430d [2020-11-29 19:34:24,590 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:34:24,591 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5bb5a44c-98f9-4fb5-89b2-40eee5ab91f2/sv-benchmarks/c/eca-rers2012/Problem15_label20.c [2020-11-29 19:34:24,617 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5bb5a44c-98f9-4fb5-89b2-40eee5ab91f2/bin/uautomizer/data/7e3e7ed84/1c3e8e94df924d8cb6e721ec8e29a78c/FLAG6d896430d [2020-11-29 19:34:24,686 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5bb5a44c-98f9-4fb5-89b2-40eee5ab91f2/bin/uautomizer/data/7e3e7ed84/1c3e8e94df924d8cb6e721ec8e29a78c [2020-11-29 19:34:24,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:34:24,695 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:34:24,700 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:34:24,700 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:34:24,704 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:34:24,706 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:34:24" (1/1) ... [2020-11-29 19:34:24,713 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a41674e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:34:24, skipping insertion in model container [2020-11-29 19:34:24,713 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:34:24" (1/1) ... [2020-11-29 19:34:24,722 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:34:24,835 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:34:25,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:34:25,992 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:34:26,409 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:34:26,433 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:34:26,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:34:26 WrapperNode [2020-11-29 19:34:26,434 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:34:26,437 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:34:26,437 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:34:26,437 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:34:26,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:34:26" (1/1) ... [2020-11-29 19:34:26,508 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:34:26" (1/1) ... [2020-11-29 19:34:26,753 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:34:26,754 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:34:26,755 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:34:26,755 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:34:26,766 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:34:26" (1/1) ... [2020-11-29 19:34:26,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:34:26" (1/1) ... [2020-11-29 19:34:26,794 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:34:26" (1/1) ... [2020-11-29 19:34:26,795 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:34:26" (1/1) ... [2020-11-29 19:34:26,913 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:34:26" (1/1) ... [2020-11-29 19:34:26,945 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:34:26" (1/1) ... [2020-11-29 19:34:27,102 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:34:26" (1/1) ... [2020-11-29 19:34:27,161 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:34:27,162 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:34:27,162 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:34:27,162 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:34:27,163 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:34:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5bb5a44c-98f9-4fb5-89b2-40eee5ab91f2/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:34:27,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:34:27,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:34:27,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:34:27,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:34:31,540 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:34:31,540 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-11-29 19:34:31,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:34:31 BoogieIcfgContainer [2020-11-29 19:34:31,547 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:34:31,549 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 19:34:31,549 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 19:34:31,554 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 19:34:31,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:34:24" (1/3) ... [2020-11-29 19:34:31,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d1141a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:34:31, skipping insertion in model container [2020-11-29 19:34:31,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:34:26" (2/3) ... [2020-11-29 19:34:31,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d1141a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:34:31, skipping insertion in model container [2020-11-29 19:34:31,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:34:31" (3/3) ... [2020-11-29 19:34:31,558 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem15_label20.c [2020-11-29 19:34:31,575 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 19:34:31,582 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 19:34:31,597 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 19:34:31,650 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 19:34:31,650 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 19:34:31,651 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 19:34:31,651 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:34:31,651 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:34:31,651 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 19:34:31,652 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:34:31,652 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 19:34:31,691 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states. [2020-11-29 19:34:31,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-29 19:34:31,701 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:34:31,702 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] [2020-11-29 19:34:31,702 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:34:31,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:34:31,710 INFO L82 PathProgramCache]: Analyzing trace with hash 1824112922, now seen corresponding path program 1 times [2020-11-29 19:34:31,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:34:31,722 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265719324] [2020-11-29 19:34:31,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:34:31,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:34:32,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:34:32,129 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265719324] [2020-11-29 19:34:32,130 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:34:32,130 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:34:32,133 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940085424] [2020-11-29 19:34:32,138 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:34:32,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:34:32,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:34:32,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:34:32,159 INFO L87 Difference]: Start difference. First operand 425 states. Second operand 3 states. [2020-11-29 19:34:35,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:34:35,679 INFO L93 Difference]: Finished difference Result 1155 states and 2107 transitions. [2020-11-29 19:34:35,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:34:35,681 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2020-11-29 19:34:35,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:34:35,704 INFO L225 Difference]: With dead ends: 1155 [2020-11-29 19:34:35,705 INFO L226 Difference]: Without dead ends: 665 [2020-11-29 19:34:35,717 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:34:35,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2020-11-29 19:34:35,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 663. [2020-11-29 19:34:35,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 663 states. [2020-11-29 19:34:35,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 981 transitions. [2020-11-29 19:34:35,818 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 981 transitions. Word has length 42 [2020-11-29 19:34:35,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:34:35,819 INFO L481 AbstractCegarLoop]: Abstraction has 663 states and 981 transitions. [2020-11-29 19:34:35,820 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:34:35,824 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 981 transitions. [2020-11-29 19:34:35,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-11-29 19:34:35,832 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:34:35,833 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] [2020-11-29 19:34:35,836 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 19:34:35,836 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:34:35,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:34:35,840 INFO L82 PathProgramCache]: Analyzing trace with hash 1823694295, now seen corresponding path program 1 times [2020-11-29 19:34:35,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:34:35,842 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520973660] [2020-11-29 19:34:35,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:34:35,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:34:36,149 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:34:36,149 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520973660] [2020-11-29 19:34:36,149 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:34:36,150 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:34:36,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700519797] [2020-11-29 19:34:36,152 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:34:36,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:34:36,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:34:36,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:34:36,155 INFO L87 Difference]: Start difference. First operand 663 states and 981 transitions. Second operand 3 states. [2020-11-29 19:34:39,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:34:39,575 INFO L93 Difference]: Finished difference Result 1624 states and 2315 transitions. [2020-11-29 19:34:39,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:34:39,576 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2020-11-29 19:34:39,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:34:39,585 INFO L225 Difference]: With dead ends: 1624 [2020-11-29 19:34:39,585 INFO L226 Difference]: Without dead ends: 963 [2020-11-29 19:34:39,589 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:34:39,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2020-11-29 19:34:39,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 963. [2020-11-29 19:34:39,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 963 states. [2020-11-29 19:34:39,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1311 transitions. [2020-11-29 19:34:39,642 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1311 transitions. Word has length 107 [2020-11-29 19:34:39,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:34:39,643 INFO L481 AbstractCegarLoop]: Abstraction has 963 states and 1311 transitions. [2020-11-29 19:34:39,643 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:34:39,643 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1311 transitions. [2020-11-29 19:34:39,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-11-29 19:34:39,649 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:34:39,650 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] [2020-11-29 19:34:39,650 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 19:34:39,650 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:34:39,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:34:39,651 INFO L82 PathProgramCache]: Analyzing trace with hash -1781958812, now seen corresponding path program 1 times [2020-11-29 19:34:39,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:34:39,672 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604476045] [2020-11-29 19:34:39,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:34:39,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:34:39,953 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:34:39,953 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604476045] [2020-11-29 19:34:39,954 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:34:39,954 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 19:34:39,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245463321] [2020-11-29 19:34:39,956 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 19:34:39,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:34:39,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 19:34:39,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:34:39,962 INFO L87 Difference]: Start difference. First operand 963 states and 1311 transitions. Second operand 5 states. [2020-11-29 19:34:44,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:34:44,392 INFO L93 Difference]: Finished difference Result 2248 states and 3205 transitions. [2020-11-29 19:34:44,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 19:34:44,396 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 112 [2020-11-29 19:34:44,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:34:44,410 INFO L225 Difference]: With dead ends: 2248 [2020-11-29 19:34:44,411 INFO L226 Difference]: Without dead ends: 1586 [2020-11-29 19:34:44,413 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-11-29 19:34:44,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1586 states. [2020-11-29 19:34:44,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1586 to 1266. [2020-11-29 19:34:44,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1266 states. [2020-11-29 19:34:44,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 1266 states and 1651 transitions. [2020-11-29 19:34:44,470 INFO L78 Accepts]: Start accepts. Automaton has 1266 states and 1651 transitions. Word has length 112 [2020-11-29 19:34:44,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:34:44,473 INFO L481 AbstractCegarLoop]: Abstraction has 1266 states and 1651 transitions. [2020-11-29 19:34:44,474 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 19:34:44,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 1651 transitions. [2020-11-29 19:34:44,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-11-29 19:34:44,483 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:34:44,483 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] [2020-11-29 19:34:44,484 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 19:34:44,484 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:34:44,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:34:44,485 INFO L82 PathProgramCache]: Analyzing trace with hash 1619679144, now seen corresponding path program 1 times [2020-11-29 19:34:44,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:34:44,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826514282] [2020-11-29 19:34:44,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:34:44,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:34:44,734 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:34:44,734 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826514282] [2020-11-29 19:34:44,734 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:34:44,735 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:34:44,735 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635009319] [2020-11-29 19:34:44,736 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:34:44,736 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:34:44,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:34:44,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:34:44,738 INFO L87 Difference]: Start difference. First operand 1266 states and 1651 transitions. Second operand 4 states. [2020-11-29 19:34:50,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:34:50,844 INFO L93 Difference]: Finished difference Result 4670 states and 6174 transitions. [2020-11-29 19:34:50,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 19:34:50,845 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 133 [2020-11-29 19:34:50,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:34:50,869 INFO L225 Difference]: With dead ends: 4670 [2020-11-29 19:34:50,870 INFO L226 Difference]: Without dead ends: 3406 [2020-11-29 19:34:50,873 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:34:50,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3406 states. [2020-11-29 19:34:50,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3406 to 3381. [2020-11-29 19:34:50,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3381 states. [2020-11-29 19:34:50,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3381 states to 3381 states and 4182 transitions. [2020-11-29 19:34:50,967 INFO L78 Accepts]: Start accepts. Automaton has 3381 states and 4182 transitions. Word has length 133 [2020-11-29 19:34:50,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:34:50,968 INFO L481 AbstractCegarLoop]: Abstraction has 3381 states and 4182 transitions. [2020-11-29 19:34:50,968 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:34:50,969 INFO L276 IsEmpty]: Start isEmpty. Operand 3381 states and 4182 transitions. [2020-11-29 19:34:50,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-11-29 19:34:50,973 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:34:50,974 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:34:50,974 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 19:34:50,974 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:34:50,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:34:50,975 INFO L82 PathProgramCache]: Analyzing trace with hash 1809107964, now seen corresponding path program 1 times [2020-11-29 19:34:50,975 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:34:50,975 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059908859] [2020-11-29 19:34:50,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:34:51,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:34:51,366 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-11-29 19:34:51,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059908859] [2020-11-29 19:34:51,366 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:34:51,367 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:34:51,367 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470798490] [2020-11-29 19:34:51,368 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:34:51,368 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:34:51,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:34:51,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:34:51,369 INFO L87 Difference]: Start difference. First operand 3381 states and 4182 transitions. Second operand 3 states. [2020-11-29 19:34:54,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:34:54,280 INFO L93 Difference]: Finished difference Result 8563 states and 10760 transitions. [2020-11-29 19:34:54,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:34:54,283 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 199 [2020-11-29 19:34:54,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:34:54,317 INFO L225 Difference]: With dead ends: 8563 [2020-11-29 19:34:54,318 INFO L226 Difference]: Without dead ends: 5483 [2020-11-29 19:34:54,323 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:34:54,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5483 states. [2020-11-29 19:34:54,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5483 to 5478. [2020-11-29 19:34:54,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5478 states. [2020-11-29 19:34:54,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5478 states to 5478 states and 6405 transitions. [2020-11-29 19:34:54,467 INFO L78 Accepts]: Start accepts. Automaton has 5478 states and 6405 transitions. Word has length 199 [2020-11-29 19:34:54,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:34:54,468 INFO L481 AbstractCegarLoop]: Abstraction has 5478 states and 6405 transitions. [2020-11-29 19:34:54,469 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:34:54,469 INFO L276 IsEmpty]: Start isEmpty. Operand 5478 states and 6405 transitions. [2020-11-29 19:34:54,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-11-29 19:34:54,473 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:34:54,474 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] [2020-11-29 19:34:54,474 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 19:34:54,474 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:34:54,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:34:54,476 INFO L82 PathProgramCache]: Analyzing trace with hash 1159284944, now seen corresponding path program 1 times [2020-11-29 19:34:54,476 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:34:54,476 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132706708] [2020-11-29 19:34:54,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:34:54,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:34:54,916 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:34:54,918 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132706708] [2020-11-29 19:34:54,920 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:34:54,920 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:34:54,920 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705116986] [2020-11-29 19:34:54,921 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:34:54,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:34:54,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:34:54,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:34:54,924 INFO L87 Difference]: Start difference. First operand 5478 states and 6405 transitions. Second operand 3 states. [2020-11-29 19:34:57,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:34:57,288 INFO L93 Difference]: Finished difference Result 10655 states and 12497 transitions. [2020-11-29 19:34:57,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:34:57,293 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 200 [2020-11-29 19:34:57,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:34:57,326 INFO L225 Difference]: With dead ends: 10655 [2020-11-29 19:34:57,326 INFO L226 Difference]: Without dead ends: 5478 [2020-11-29 19:34:57,334 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:34:57,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5478 states. [2020-11-29 19:34:57,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5478 to 5478. [2020-11-29 19:34:57,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5478 states. [2020-11-29 19:34:57,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5478 states to 5478 states and 6399 transitions. [2020-11-29 19:34:57,478 INFO L78 Accepts]: Start accepts. Automaton has 5478 states and 6399 transitions. Word has length 200 [2020-11-29 19:34:57,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:34:57,484 INFO L481 AbstractCegarLoop]: Abstraction has 5478 states and 6399 transitions. [2020-11-29 19:34:57,484 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:34:57,484 INFO L276 IsEmpty]: Start isEmpty. Operand 5478 states and 6399 transitions. [2020-11-29 19:34:57,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-11-29 19:34:57,488 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:34:57,490 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] [2020-11-29 19:34:57,490 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 19:34:57,490 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:34:57,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:34:57,491 INFO L82 PathProgramCache]: Analyzing trace with hash 77634115, now seen corresponding path program 1 times [2020-11-29 19:34:57,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:34:57,493 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235048197] [2020-11-29 19:34:57,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:34:57,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:34:57,835 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:34:57,835 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235048197] [2020-11-29 19:34:57,835 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:34:57,836 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:34:57,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371016622] [2020-11-29 19:34:57,836 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:34:57,837 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:34:57,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:34:57,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:34:57,838 INFO L87 Difference]: Start difference. First operand 5478 states and 6399 transitions. Second operand 4 states. [2020-11-29 19:35:03,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:35:03,020 INFO L93 Difference]: Finished difference Result 12184 states and 14319 transitions. [2020-11-29 19:35:03,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 19:35:03,021 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 218 [2020-11-29 19:35:03,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:35:03,059 INFO L225 Difference]: With dead ends: 12184 [2020-11-29 19:35:03,059 INFO L226 Difference]: Without dead ends: 7007 [2020-11-29 19:35:03,066 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:35:03,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7007 states. [2020-11-29 19:35:03,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7007 to 5786. [2020-11-29 19:35:03,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5786 states. [2020-11-29 19:35:03,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5786 states to 5786 states and 6826 transitions. [2020-11-29 19:35:03,280 INFO L78 Accepts]: Start accepts. Automaton has 5786 states and 6826 transitions. Word has length 218 [2020-11-29 19:35:03,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:35:03,281 INFO L481 AbstractCegarLoop]: Abstraction has 5786 states and 6826 transitions. [2020-11-29 19:35:03,281 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:35:03,281 INFO L276 IsEmpty]: Start isEmpty. Operand 5786 states and 6826 transitions. [2020-11-29 19:35:03,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2020-11-29 19:35:03,287 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:35:03,288 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] [2020-11-29 19:35:03,288 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 19:35:03,289 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:35:03,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:35:03,289 INFO L82 PathProgramCache]: Analyzing trace with hash -2126496108, now seen corresponding path program 1 times [2020-11-29 19:35:03,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:35:03,290 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801563946] [2020-11-29 19:35:03,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:35:03,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:35:03,702 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:35:03,703 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801563946] [2020-11-29 19:35:03,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:35:03,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:35:03,704 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687938259] [2020-11-29 19:35:03,704 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:35:03,705 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:35:03,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:35:03,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:35:03,706 INFO L87 Difference]: Start difference. First operand 5786 states and 6826 transitions. Second operand 4 states. [2020-11-29 19:35:09,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:35:09,269 INFO L93 Difference]: Finished difference Result 13094 states and 15499 transitions. [2020-11-29 19:35:09,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 19:35:09,270 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 275 [2020-11-29 19:35:09,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:35:09,313 INFO L225 Difference]: With dead ends: 13094 [2020-11-29 19:35:09,313 INFO L226 Difference]: Without dead ends: 7609 [2020-11-29 19:35:09,321 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:35:09,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7609 states. [2020-11-29 19:35:09,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7609 to 6086. [2020-11-29 19:35:09,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6086 states. [2020-11-29 19:35:09,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6086 states to 6086 states and 7150 transitions. [2020-11-29 19:35:09,455 INFO L78 Accepts]: Start accepts. Automaton has 6086 states and 7150 transitions. Word has length 275 [2020-11-29 19:35:09,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:35:09,456 INFO L481 AbstractCegarLoop]: Abstraction has 6086 states and 7150 transitions. [2020-11-29 19:35:09,456 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:35:09,457 INFO L276 IsEmpty]: Start isEmpty. Operand 6086 states and 7150 transitions. [2020-11-29 19:35:09,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2020-11-29 19:35:09,464 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:35:09,464 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:35:09,464 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 19:35:09,465 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:35:09,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:35:09,465 INFO L82 PathProgramCache]: Analyzing trace with hash 891547288, now seen corresponding path program 1 times [2020-11-29 19:35:09,466 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:35:09,466 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301486620] [2020-11-29 19:35:09,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:35:09,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:35:09,813 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2020-11-29 19:35:09,813 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301486620] [2020-11-29 19:35:09,814 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:35:09,814 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:35:09,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952019442] [2020-11-29 19:35:09,816 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:35:09,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:35:09,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:35:09,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:35:09,824 INFO L87 Difference]: Start difference. First operand 6086 states and 7150 transitions. Second operand 3 states. [2020-11-29 19:35:13,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:35:13,493 INFO L93 Difference]: Finished difference Result 13665 states and 16397 transitions. [2020-11-29 19:35:13,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:35:13,494 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 329 [2020-11-29 19:35:13,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:35:13,512 INFO L225 Difference]: With dead ends: 13665 [2020-11-29 19:35:13,512 INFO L226 Difference]: Without dead ends: 7880 [2020-11-29 19:35:13,520 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:35:13,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7880 states. [2020-11-29 19:35:13,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7880 to 5781. [2020-11-29 19:35:13,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5781 states. [2020-11-29 19:35:13,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5781 states to 5781 states and 6817 transitions. [2020-11-29 19:35:13,638 INFO L78 Accepts]: Start accepts. Automaton has 5781 states and 6817 transitions. Word has length 329 [2020-11-29 19:35:13,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:35:13,639 INFO L481 AbstractCegarLoop]: Abstraction has 5781 states and 6817 transitions. [2020-11-29 19:35:13,640 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:35:13,640 INFO L276 IsEmpty]: Start isEmpty. Operand 5781 states and 6817 transitions. [2020-11-29 19:35:13,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2020-11-29 19:35:13,649 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:35:13,650 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:35:13,650 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-29 19:35:13,651 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:35:13,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:35:13,654 INFO L82 PathProgramCache]: Analyzing trace with hash -1308292841, now seen corresponding path program 1 times [2020-11-29 19:35:13,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:35:13,654 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423292351] [2020-11-29 19:35:13,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:35:13,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:35:14,019 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-11-29 19:35:14,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423292351] [2020-11-29 19:35:14,022 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:35:14,022 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:35:14,022 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314888870] [2020-11-29 19:35:14,023 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:35:14,023 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:35:14,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:35:14,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:35:14,024 INFO L87 Difference]: Start difference. First operand 5781 states and 6817 transitions. Second operand 3 states. [2020-11-29 19:35:17,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:35:17,308 INFO L93 Difference]: Finished difference Result 13961 states and 16781 transitions. [2020-11-29 19:35:17,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:35:17,313 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 388 [2020-11-29 19:35:17,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:35:17,333 INFO L225 Difference]: With dead ends: 13961 [2020-11-29 19:35:17,333 INFO L226 Difference]: Without dead ends: 8481 [2020-11-29 19:35:17,340 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:35:17,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8481 states. [2020-11-29 19:35:17,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8481 to 7883. [2020-11-29 19:35:17,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7883 states. [2020-11-29 19:35:17,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7883 states to 7883 states and 9075 transitions. [2020-11-29 19:35:17,554 INFO L78 Accepts]: Start accepts. Automaton has 7883 states and 9075 transitions. Word has length 388 [2020-11-29 19:35:17,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:35:17,555 INFO L481 AbstractCegarLoop]: Abstraction has 7883 states and 9075 transitions. [2020-11-29 19:35:17,555 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:35:17,555 INFO L276 IsEmpty]: Start isEmpty. Operand 7883 states and 9075 transitions. [2020-11-29 19:35:17,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2020-11-29 19:35:17,572 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:35:17,573 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:35:17,573 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-29 19:35:17,574 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:35:17,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:35:17,575 INFO L82 PathProgramCache]: Analyzing trace with hash -1825877997, now seen corresponding path program 1 times [2020-11-29 19:35:17,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:35:17,575 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787966887] [2020-11-29 19:35:17,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:35:17,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:35:18,228 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 79 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:35:18,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787966887] [2020-11-29 19:35:18,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1173176553] [2020-11-29 19:35:18,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5bb5a44c-98f9-4fb5-89b2-40eee5ab91f2/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:35:18,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:35:18,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-29 19:35:18,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:35:19,062 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 79 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-11-29 19:35:19,062 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 19:35:19,063 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 6 [2020-11-29 19:35:19,063 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908366213] [2020-11-29 19:35:19,065 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-29 19:35:19,065 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:35:19,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-29 19:35:19,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-29 19:35:19,066 INFO L87 Difference]: Start difference. First operand 7883 states and 9075 transitions. Second operand 7 states. [2020-11-29 19:35:36,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:35:36,925 INFO L93 Difference]: Finished difference Result 33820 states and 39768 transitions. [2020-11-29 19:35:36,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-29 19:35:36,926 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 389 [2020-11-29 19:35:36,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:35:36,971 INFO L225 Difference]: With dead ends: 33820 [2020-11-29 19:35:36,971 INFO L226 Difference]: Without dead ends: 21155 [2020-11-29 19:35:36,985 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 398 GetRequests, 387 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2020-11-29 19:35:37,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21155 states. [2020-11-29 19:35:37,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21155 to 15087. [2020-11-29 19:35:37,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15087 states. [2020-11-29 19:35:37,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15087 states to 15087 states and 17061 transitions. [2020-11-29 19:35:37,378 INFO L78 Accepts]: Start accepts. Automaton has 15087 states and 17061 transitions. Word has length 389 [2020-11-29 19:35:37,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:35:37,379 INFO L481 AbstractCegarLoop]: Abstraction has 15087 states and 17061 transitions. [2020-11-29 19:35:37,379 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-29 19:35:37,380 INFO L276 IsEmpty]: Start isEmpty. Operand 15087 states and 17061 transitions. [2020-11-29 19:35:37,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2020-11-29 19:35:37,384 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:35:37,385 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:35:37,611 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-11-29 19:35:37,612 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:35:37,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:35:37,612 INFO L82 PathProgramCache]: Analyzing trace with hash 1829899179, now seen corresponding path program 1 times [2020-11-29 19:35:37,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:35:37,613 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216119260] [2020-11-29 19:35:37,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:35:37,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:35:38,218 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:35:38,218 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216119260] [2020-11-29 19:35:38,218 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:35:38,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:35:38,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576615596] [2020-11-29 19:35:38,220 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:35:38,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:35:38,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:35:38,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:35:38,221 INFO L87 Difference]: Start difference. First operand 15087 states and 17061 transitions. Second operand 3 states. [2020-11-29 19:35:41,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:35:41,134 INFO L93 Difference]: Finished difference Result 28069 states and 31905 transitions. [2020-11-29 19:35:41,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:35:41,137 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 394 [2020-11-29 19:35:41,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:35:41,242 INFO L225 Difference]: With dead ends: 28069 [2020-11-29 19:35:41,243 INFO L226 Difference]: Without dead ends: 15084 [2020-11-29 19:35:41,253 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:35:41,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15084 states. [2020-11-29 19:35:41,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15084 to 15084. [2020-11-29 19:35:41,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15084 states. [2020-11-29 19:35:41,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15084 states to 15084 states and 16860 transitions. [2020-11-29 19:35:41,499 INFO L78 Accepts]: Start accepts. Automaton has 15084 states and 16860 transitions. Word has length 394 [2020-11-29 19:35:41,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:35:41,500 INFO L481 AbstractCegarLoop]: Abstraction has 15084 states and 16860 transitions. [2020-11-29 19:35:41,500 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:35:41,500 INFO L276 IsEmpty]: Start isEmpty. Operand 15084 states and 16860 transitions. [2020-11-29 19:35:41,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2020-11-29 19:35:41,505 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:35:41,507 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:35:41,507 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-29 19:35:41,508 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:35:41,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:35:41,509 INFO L82 PathProgramCache]: Analyzing trace with hash 598384900, now seen corresponding path program 1 times [2020-11-29 19:35:41,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:35:41,509 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743081465] [2020-11-29 19:35:41,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:35:41,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:35:41,866 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:35:41,867 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743081465] [2020-11-29 19:35:41,867 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:35:41,868 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:35:41,868 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695927944] [2020-11-29 19:35:41,869 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:35:41,869 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:35:41,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:35:41,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:35:41,876 INFO L87 Difference]: Start difference. First operand 15084 states and 16860 transitions. Second operand 3 states. [2020-11-29 19:35:45,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:35:45,779 INFO L93 Difference]: Finished difference Result 34964 states and 39643 transitions. [2020-11-29 19:35:45,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:35:45,780 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 405 [2020-11-29 19:35:45,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:35:45,820 INFO L225 Difference]: With dead ends: 34964 [2020-11-29 19:35:45,820 INFO L226 Difference]: Without dead ends: 20181 [2020-11-29 19:35:45,833 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:35:45,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20181 states. [2020-11-29 19:35:46,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20181 to 17179. [2020-11-29 19:35:46,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17179 states. [2020-11-29 19:35:46,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17179 states to 17179 states and 19110 transitions. [2020-11-29 19:35:46,155 INFO L78 Accepts]: Start accepts. Automaton has 17179 states and 19110 transitions. Word has length 405 [2020-11-29 19:35:46,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:35:46,156 INFO L481 AbstractCegarLoop]: Abstraction has 17179 states and 19110 transitions. [2020-11-29 19:35:46,156 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:35:46,157 INFO L276 IsEmpty]: Start isEmpty. Operand 17179 states and 19110 transitions. [2020-11-29 19:35:46,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2020-11-29 19:35:46,160 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:35:46,161 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:35:46,162 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-29 19:35:46,162 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:35:46,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:35:46,163 INFO L82 PathProgramCache]: Analyzing trace with hash 2117120567, now seen corresponding path program 1 times [2020-11-29 19:35:46,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:35:46,163 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320630621] [2020-11-29 19:35:46,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:35:46,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:35:46,591 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2020-11-29 19:35:46,592 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320630621] [2020-11-29 19:35:46,592 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:35:46,592 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:35:46,592 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292476115] [2020-11-29 19:35:46,593 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:35:46,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:35:46,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:35:46,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:35:46,595 INFO L87 Difference]: Start difference. First operand 17179 states and 19110 transitions. Second operand 3 states. [2020-11-29 19:35:50,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:35:50,223 INFO L93 Difference]: Finished difference Result 37948 states and 42641 transitions. [2020-11-29 19:35:50,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:35:50,225 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 419 [2020-11-29 19:35:50,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:35:50,259 INFO L225 Difference]: With dead ends: 37948 [2020-11-29 19:35:50,260 INFO L226 Difference]: Without dead ends: 21070 [2020-11-29 19:35:50,271 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:35:50,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21070 states. [2020-11-29 19:35:50,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21070 to 19265. [2020-11-29 19:35:50,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19265 states. [2020-11-29 19:35:50,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19265 states to 19265 states and 21135 transitions. [2020-11-29 19:35:50,734 INFO L78 Accepts]: Start accepts. Automaton has 19265 states and 21135 transitions. Word has length 419 [2020-11-29 19:35:50,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:35:50,735 INFO L481 AbstractCegarLoop]: Abstraction has 19265 states and 21135 transitions. [2020-11-29 19:35:50,736 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:35:50,736 INFO L276 IsEmpty]: Start isEmpty. Operand 19265 states and 21135 transitions. [2020-11-29 19:35:50,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2020-11-29 19:35:50,743 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:35:50,744 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:35:50,744 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-29 19:35:50,745 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:35:50,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:35:50,746 INFO L82 PathProgramCache]: Analyzing trace with hash 8714330, now seen corresponding path program 1 times [2020-11-29 19:35:50,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:35:50,747 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935488516] [2020-11-29 19:35:50,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:35:50,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:35:51,918 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 105 proven. 249 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:35:51,919 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935488516] [2020-11-29 19:35:51,919 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [989057075] [2020-11-29 19:35:51,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5bb5a44c-98f9-4fb5-89b2-40eee5ab91f2/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:35:52,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:35:52,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-29 19:35:52,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:35:52,277 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 19:35:52,377 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 19:35:52,414 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 19:35:55,377 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 208 proven. 106 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-11-29 19:35:55,377 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 19:35:55,377 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3] total 8 [2020-11-29 19:35:55,379 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054240273] [2020-11-29 19:35:55,381 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-29 19:35:55,381 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:35:55,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-29 19:35:55,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-29 19:35:55,383 INFO L87 Difference]: Start difference. First operand 19265 states and 21135 transitions. Second operand 8 states. [2020-11-29 19:36:12,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:36:12,018 INFO L93 Difference]: Finished difference Result 52039 states and 57076 transitions. [2020-11-29 19:36:12,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-11-29 19:36:12,020 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 484 [2020-11-29 19:36:12,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:36:12,057 INFO L225 Difference]: With dead ends: 52039 [2020-11-29 19:36:12,057 INFO L226 Difference]: Without dead ends: 31866 [2020-11-29 19:36:12,071 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 511 GetRequests, 494 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=87, Invalid=255, Unknown=0, NotChecked=0, Total=342 [2020-11-29 19:36:12,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31866 states. [2020-11-29 19:36:12,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31866 to 29747. [2020-11-29 19:36:12,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29747 states. [2020-11-29 19:36:12,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29747 states to 29747 states and 32129 transitions. [2020-11-29 19:36:12,571 INFO L78 Accepts]: Start accepts. Automaton has 29747 states and 32129 transitions. Word has length 484 [2020-11-29 19:36:12,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:36:12,572 INFO L481 AbstractCegarLoop]: Abstraction has 29747 states and 32129 transitions. [2020-11-29 19:36:12,572 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-29 19:36:12,572 INFO L276 IsEmpty]: Start isEmpty. Operand 29747 states and 32129 transitions. [2020-11-29 19:36:12,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 519 [2020-11-29 19:36:12,579 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:36:12,580 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:36:12,807 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-11-29 19:36:12,808 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:36:12,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:36:12,808 INFO L82 PathProgramCache]: Analyzing trace with hash 73148407, now seen corresponding path program 1 times [2020-11-29 19:36:12,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:36:12,809 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965789346] [2020-11-29 19:36:12,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:36:12,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:36:13,367 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2020-11-29 19:36:13,367 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965789346] [2020-11-29 19:36:13,367 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:36:13,368 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:36:13,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782044289] [2020-11-29 19:36:13,369 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:36:13,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:36:13,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:36:13,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:36:13,370 INFO L87 Difference]: Start difference. First operand 29747 states and 32129 transitions. Second operand 3 states. [2020-11-29 19:36:17,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:36:17,224 INFO L93 Difference]: Finished difference Result 58310 states and 63103 transitions. [2020-11-29 19:36:17,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:36:17,226 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 518 [2020-11-29 19:36:17,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:36:17,260 INFO L225 Difference]: With dead ends: 58310 [2020-11-29 19:36:17,260 INFO L226 Difference]: Without dead ends: 31557 [2020-11-29 19:36:17,276 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:36:17,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31557 states. [2020-11-29 19:36:17,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31557 to 25553. [2020-11-29 19:36:17,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25553 states. [2020-11-29 19:36:17,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25553 states to 25553 states and 27758 transitions. [2020-11-29 19:36:17,823 INFO L78 Accepts]: Start accepts. Automaton has 25553 states and 27758 transitions. Word has length 518 [2020-11-29 19:36:17,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:36:17,823 INFO L481 AbstractCegarLoop]: Abstraction has 25553 states and 27758 transitions. [2020-11-29 19:36:17,823 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:36:17,824 INFO L276 IsEmpty]: Start isEmpty. Operand 25553 states and 27758 transitions. [2020-11-29 19:36:17,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2020-11-29 19:36:17,831 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:36:17,832 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:36:17,832 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-11-29 19:36:17,832 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:36:17,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:36:17,833 INFO L82 PathProgramCache]: Analyzing trace with hash -1063417587, now seen corresponding path program 1 times [2020-11-29 19:36:17,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:36:17,833 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797476388] [2020-11-29 19:36:17,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:36:17,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:36:18,273 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2020-11-29 19:36:18,273 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797476388] [2020-11-29 19:36:18,273 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:36:18,273 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:36:18,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124873242] [2020-11-29 19:36:18,274 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:36:18,274 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:36:18,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:36:18,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:36:18,275 INFO L87 Difference]: Start difference. First operand 25553 states and 27758 transitions. Second operand 3 states. [2020-11-29 19:36:22,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:36:22,060 INFO L93 Difference]: Finished difference Result 57675 states and 63068 transitions. [2020-11-29 19:36:22,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:36:22,063 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 531 [2020-11-29 19:36:22,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:36:22,098 INFO L225 Difference]: With dead ends: 57675 [2020-11-29 19:36:22,098 INFO L226 Difference]: Without dead ends: 30633 [2020-11-29 19:36:22,115 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:36:22,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30633 states. [2020-11-29 19:36:22,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30633 to 22242. [2020-11-29 19:36:22,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22242 states. [2020-11-29 19:36:22,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22242 states to 22242 states and 23941 transitions. [2020-11-29 19:36:22,468 INFO L78 Accepts]: Start accepts. Automaton has 22242 states and 23941 transitions. Word has length 531 [2020-11-29 19:36:22,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:36:22,468 INFO L481 AbstractCegarLoop]: Abstraction has 22242 states and 23941 transitions. [2020-11-29 19:36:22,468 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:36:22,468 INFO L276 IsEmpty]: Start isEmpty. Operand 22242 states and 23941 transitions. [2020-11-29 19:36:22,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 556 [2020-11-29 19:36:22,477 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:36:22,477 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:36:22,478 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-11-29 19:36:22,478 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:36:22,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:36:22,479 INFO L82 PathProgramCache]: Analyzing trace with hash 338452381, now seen corresponding path program 1 times [2020-11-29 19:36:22,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:36:22,479 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316563578] [2020-11-29 19:36:22,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:36:22,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:36:22,887 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2020-11-29 19:36:22,888 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316563578] [2020-11-29 19:36:22,888 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:36:22,888 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:36:22,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470898904] [2020-11-29 19:36:22,889 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:36:22,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:36:22,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:36:22,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:36:22,890 INFO L87 Difference]: Start difference. First operand 22242 states and 23941 transitions. Second operand 3 states. [2020-11-29 19:36:26,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:36:26,302 INFO L93 Difference]: Finished difference Result 42684 states and 46080 transitions. [2020-11-29 19:36:26,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:36:26,304 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 555 [2020-11-29 19:36:26,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:36:26,326 INFO L225 Difference]: With dead ends: 42684 [2020-11-29 19:36:26,326 INFO L226 Difference]: Without dead ends: 22539 [2020-11-29 19:36:26,336 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:36:26,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22539 states. [2020-11-29 19:36:26,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22539 to 22240. [2020-11-29 19:36:26,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22240 states. [2020-11-29 19:36:26,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22240 states to 22240 states and 23937 transitions. [2020-11-29 19:36:26,596 INFO L78 Accepts]: Start accepts. Automaton has 22240 states and 23937 transitions. Word has length 555 [2020-11-29 19:36:26,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:36:26,597 INFO L481 AbstractCegarLoop]: Abstraction has 22240 states and 23937 transitions. [2020-11-29 19:36:26,597 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:36:26,597 INFO L276 IsEmpty]: Start isEmpty. Operand 22240 states and 23937 transitions. [2020-11-29 19:36:26,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 570 [2020-11-29 19:36:26,605 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:36:26,605 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:36:26,606 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-11-29 19:36:26,606 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:36:26,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:36:26,607 INFO L82 PathProgramCache]: Analyzing trace with hash 338980942, now seen corresponding path program 1 times [2020-11-29 19:36:26,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:36:26,607 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540532093] [2020-11-29 19:36:26,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:36:26,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:36:27,141 INFO L134 CoverageAnalysis]: Checked inductivity of 607 backedges. 362 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2020-11-29 19:36:27,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540532093] [2020-11-29 19:36:27,141 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:36:27,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:36:27,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604213417] [2020-11-29 19:36:27,142 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:36:27,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:36:27,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:36:27,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:36:27,143 INFO L87 Difference]: Start difference. First operand 22240 states and 23937 transitions. Second operand 3 states. [2020-11-29 19:36:30,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:36:30,272 INFO L93 Difference]: Finished difference Result 44476 states and 47963 transitions. [2020-11-29 19:36:30,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:36:30,274 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 569 [2020-11-29 19:36:30,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:36:30,304 INFO L225 Difference]: With dead ends: 44476 [2020-11-29 19:36:30,305 INFO L226 Difference]: Without dead ends: 22539 [2020-11-29 19:36:30,318 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:36:30,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22539 states. [2020-11-29 19:36:30,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22539 to 18350. [2020-11-29 19:36:30,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18350 states. [2020-11-29 19:36:30,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18350 states to 18350 states and 19609 transitions. [2020-11-29 19:36:30,586 INFO L78 Accepts]: Start accepts. Automaton has 18350 states and 19609 transitions. Word has length 569 [2020-11-29 19:36:30,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:36:30,587 INFO L481 AbstractCegarLoop]: Abstraction has 18350 states and 19609 transitions. [2020-11-29 19:36:30,587 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:36:30,587 INFO L276 IsEmpty]: Start isEmpty. Operand 18350 states and 19609 transitions. [2020-11-29 19:36:30,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 622 [2020-11-29 19:36:30,598 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:36:30,599 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:36:30,599 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-11-29 19:36:30,599 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:36:30,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:36:30,600 INFO L82 PathProgramCache]: Analyzing trace with hash 1393052282, now seen corresponding path program 1 times [2020-11-29 19:36:30,600 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:36:30,601 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469062668] [2020-11-29 19:36:30,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:36:30,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:36:31,281 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 362 proven. 0 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2020-11-29 19:36:31,281 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469062668] [2020-11-29 19:36:31,282 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:36:31,282 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:36:31,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904262699] [2020-11-29 19:36:31,283 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:36:31,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:36:31,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:36:31,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:36:31,284 INFO L87 Difference]: Start difference. First operand 18350 states and 19609 transitions. Second operand 3 states. [2020-11-29 19:36:34,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:36:34,976 INFO L93 Difference]: Finished difference Result 41195 states and 44025 transitions. [2020-11-29 19:36:34,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:36:34,978 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 621 [2020-11-29 19:36:34,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:36:34,999 INFO L225 Difference]: With dead ends: 41195 [2020-11-29 19:36:35,000 INFO L226 Difference]: Without dead ends: 23146 [2020-11-29 19:36:35,010 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:36:35,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23146 states. [2020-11-29 19:36:35,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23146 to 21641. [2020-11-29 19:36:35,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21641 states. [2020-11-29 19:36:35,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21641 states to 21641 states and 22998 transitions. [2020-11-29 19:36:35,324 INFO L78 Accepts]: Start accepts. Automaton has 21641 states and 22998 transitions. Word has length 621 [2020-11-29 19:36:35,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:36:35,325 INFO L481 AbstractCegarLoop]: Abstraction has 21641 states and 22998 transitions. [2020-11-29 19:36:35,325 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:36:35,325 INFO L276 IsEmpty]: Start isEmpty. Operand 21641 states and 22998 transitions. [2020-11-29 19:36:35,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 638 [2020-11-29 19:36:35,334 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:36:35,335 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:36:35,335 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-11-29 19:36:35,336 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:36:35,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:36:35,337 INFO L82 PathProgramCache]: Analyzing trace with hash 1794286765, now seen corresponding path program 1 times [2020-11-29 19:36:35,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:36:35,337 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078449059] [2020-11-29 19:36:35,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:36:35,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:36:36,040 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2020-11-29 19:36:36,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078449059] [2020-11-29 19:36:36,041 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:36:36,041 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:36:36,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426287908] [2020-11-29 19:36:36,042 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:36:36,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:36:36,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:36:36,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:36:36,043 INFO L87 Difference]: Start difference. First operand 21641 states and 22998 transitions. Second operand 3 states. [2020-11-29 19:36:39,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:36:39,716 INFO L93 Difference]: Finished difference Result 46852 states and 50083 transitions. [2020-11-29 19:36:39,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:36:39,718 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 637 [2020-11-29 19:36:39,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:36:39,742 INFO L225 Difference]: With dead ends: 46852 [2020-11-29 19:36:39,743 INFO L226 Difference]: Without dead ends: 25514 [2020-11-29 19:36:39,752 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:36:39,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25514 states. [2020-11-29 19:36:40,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25514 to 24317. [2020-11-29 19:36:40,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24317 states. [2020-11-29 19:36:40,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24317 states to 24317 states and 25614 transitions. [2020-11-29 19:36:40,029 INFO L78 Accepts]: Start accepts. Automaton has 24317 states and 25614 transitions. Word has length 637 [2020-11-29 19:36:40,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:36:40,029 INFO L481 AbstractCegarLoop]: Abstraction has 24317 states and 25614 transitions. [2020-11-29 19:36:40,029 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:36:40,029 INFO L276 IsEmpty]: Start isEmpty. Operand 24317 states and 25614 transitions. [2020-11-29 19:36:40,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 664 [2020-11-29 19:36:40,038 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:36:40,038 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:36:40,039 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-11-29 19:36:40,039 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:36:40,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:36:40,039 INFO L82 PathProgramCache]: Analyzing trace with hash -377404601, now seen corresponding path program 1 times [2020-11-29 19:36:40,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:36:40,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938929507] [2020-11-29 19:36:40,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:36:40,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:36:41,771 INFO L134 CoverageAnalysis]: Checked inductivity of 719 backedges. 416 proven. 263 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-11-29 19:36:41,771 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938929507] [2020-11-29 19:36:41,772 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [722629559] [2020-11-29 19:36:41,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5bb5a44c-98f9-4fb5-89b2-40eee5ab91f2/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:36:41,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:36:41,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 820 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 19:36:41,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:36:42,415 INFO L134 CoverageAnalysis]: Checked inductivity of 719 backedges. 491 proven. 0 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2020-11-29 19:36:42,415 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 19:36:42,415 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-11-29 19:36:42,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483803207] [2020-11-29 19:36:42,416 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:36:42,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:36:42,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:36:42,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-29 19:36:42,417 INFO L87 Difference]: Start difference. First operand 24317 states and 25614 transitions. Second operand 3 states. [2020-11-29 19:36:45,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:36:45,275 INFO L93 Difference]: Finished difference Result 40513 states and 42408 transitions. [2020-11-29 19:36:45,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:36:45,277 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 663 [2020-11-29 19:36:45,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:36:45,293 INFO L225 Difference]: With dead ends: 40513 [2020-11-29 19:36:45,294 INFO L226 Difference]: Without dead ends: 18891 [2020-11-29 19:36:45,302 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 667 GetRequests, 663 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-29 19:36:45,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18891 states. [2020-11-29 19:36:45,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18891 to 15290. [2020-11-29 19:36:45,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15290 states. [2020-11-29 19:36:45,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15290 states to 15290 states and 15855 transitions. [2020-11-29 19:36:45,488 INFO L78 Accepts]: Start accepts. Automaton has 15290 states and 15855 transitions. Word has length 663 [2020-11-29 19:36:45,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:36:45,489 INFO L481 AbstractCegarLoop]: Abstraction has 15290 states and 15855 transitions. [2020-11-29 19:36:45,489 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:36:45,489 INFO L276 IsEmpty]: Start isEmpty. Operand 15290 states and 15855 transitions. [2020-11-29 19:36:45,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 676 [2020-11-29 19:36:45,497 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:36:45,498 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:36:45,698 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2020-11-29 19:36:45,699 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:36:45,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:36:45,699 INFO L82 PathProgramCache]: Analyzing trace with hash 949878573, now seen corresponding path program 1 times [2020-11-29 19:36:45,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:36:45,700 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342738048] [2020-11-29 19:36:45,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:36:45,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:36:46,240 INFO L134 CoverageAnalysis]: Checked inductivity of 762 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 603 trivial. 0 not checked. [2020-11-29 19:36:46,240 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342738048] [2020-11-29 19:36:46,240 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:36:46,240 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:36:46,240 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241035301] [2020-11-29 19:36:46,241 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:36:46,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:36:46,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:36:46,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:36:46,242 INFO L87 Difference]: Start difference. First operand 15290 states and 15855 transitions. Second operand 3 states. [2020-11-29 19:36:49,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:36:49,235 INFO L93 Difference]: Finished difference Result 31784 states and 33000 transitions. [2020-11-29 19:36:49,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:36:49,237 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 675 [2020-11-29 19:36:49,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:36:49,255 INFO L225 Difference]: With dead ends: 31784 [2020-11-29 19:36:49,256 INFO L226 Difference]: Without dead ends: 18890 [2020-11-29 19:36:49,263 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:36:49,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18890 states. [2020-11-29 19:36:49,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18890 to 15589. [2020-11-29 19:36:49,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15589 states. [2020-11-29 19:36:49,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15589 states to 15589 states and 16165 transitions. [2020-11-29 19:36:49,505 INFO L78 Accepts]: Start accepts. Automaton has 15589 states and 16165 transitions. Word has length 675 [2020-11-29 19:36:49,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:36:49,506 INFO L481 AbstractCegarLoop]: Abstraction has 15589 states and 16165 transitions. [2020-11-29 19:36:49,507 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:36:49,507 INFO L276 IsEmpty]: Start isEmpty. Operand 15589 states and 16165 transitions. [2020-11-29 19:36:49,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 685 [2020-11-29 19:36:49,520 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:36:49,521 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:36:49,521 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-11-29 19:36:49,521 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:36:49,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:36:49,521 INFO L82 PathProgramCache]: Analyzing trace with hash 121682261, now seen corresponding path program 1 times [2020-11-29 19:36:49,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:36:49,522 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516282880] [2020-11-29 19:36:49,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:36:49,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:36:50,214 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 463 trivial. 0 not checked. [2020-11-29 19:36:50,215 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516282880] [2020-11-29 19:36:50,215 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:36:50,215 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:36:50,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186304464] [2020-11-29 19:36:50,216 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:36:50,216 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:36:50,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:36:50,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:36:50,217 INFO L87 Difference]: Start difference. First operand 15589 states and 16165 transitions. Second operand 3 states. [2020-11-29 19:36:52,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:36:52,962 INFO L93 Difference]: Finished difference Result 28781 states and 29866 transitions. [2020-11-29 19:36:52,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:36:52,965 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 684 [2020-11-29 19:36:52,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:36:52,982 INFO L225 Difference]: With dead ends: 28781 [2020-11-29 19:36:52,982 INFO L226 Difference]: Without dead ends: 15887 [2020-11-29 19:36:52,988 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:36:52,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15887 states. [2020-11-29 19:36:53,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15887 to 14691. [2020-11-29 19:36:53,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14691 states. [2020-11-29 19:36:53,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14691 states to 14691 states and 15135 transitions. [2020-11-29 19:36:53,169 INFO L78 Accepts]: Start accepts. Automaton has 14691 states and 15135 transitions. Word has length 684 [2020-11-29 19:36:53,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:36:53,170 INFO L481 AbstractCegarLoop]: Abstraction has 14691 states and 15135 transitions. [2020-11-29 19:36:53,170 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:36:53,170 INFO L276 IsEmpty]: Start isEmpty. Operand 14691 states and 15135 transitions. [2020-11-29 19:36:53,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 766 [2020-11-29 19:36:53,181 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:36:53,182 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:36:53,182 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-11-29 19:36:53,182 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:36:53,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:36:53,183 INFO L82 PathProgramCache]: Analyzing trace with hash -849850320, now seen corresponding path program 1 times [2020-11-29 19:36:53,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:36:53,183 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787526312] [2020-11-29 19:36:53,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:36:53,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:36:54,065 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 450 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2020-11-29 19:36:54,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787526312] [2020-11-29 19:36:54,066 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:36:54,066 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:36:54,066 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000391518] [2020-11-29 19:36:54,066 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:36:54,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:36:54,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:36:54,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:36:54,067 INFO L87 Difference]: Start difference. First operand 14691 states and 15135 transitions. Second operand 3 states. [2020-11-29 19:36:56,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:36:56,984 INFO L93 Difference]: Finished difference Result 30886 states and 31807 transitions. [2020-11-29 19:36:56,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:36:56,987 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 765 [2020-11-29 19:36:56,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:36:57,003 INFO L225 Difference]: With dead ends: 30886 [2020-11-29 19:36:57,003 INFO L226 Difference]: Without dead ends: 16496 [2020-11-29 19:36:57,009 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:36:57,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16496 states. [2020-11-29 19:36:57,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16496 to 14691. [2020-11-29 19:36:57,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14691 states. [2020-11-29 19:36:57,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14691 states to 14691 states and 15115 transitions. [2020-11-29 19:36:57,183 INFO L78 Accepts]: Start accepts. Automaton has 14691 states and 15115 transitions. Word has length 765 [2020-11-29 19:36:57,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:36:57,184 INFO L481 AbstractCegarLoop]: Abstraction has 14691 states and 15115 transitions. [2020-11-29 19:36:57,184 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:36:57,184 INFO L276 IsEmpty]: Start isEmpty. Operand 14691 states and 15115 transitions. [2020-11-29 19:36:57,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 791 [2020-11-29 19:36:57,198 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:36:57,198 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:36:57,199 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-11-29 19:36:57,199 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:36:57,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:36:57,199 INFO L82 PathProgramCache]: Analyzing trace with hash -947940205, now seen corresponding path program 1 times [2020-11-29 19:36:57,200 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:36:57,200 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302484870] [2020-11-29 19:36:57,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:36:57,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:36:58,064 INFO L134 CoverageAnalysis]: Checked inductivity of 892 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 733 trivial. 0 not checked. [2020-11-29 19:36:58,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302484870] [2020-11-29 19:36:58,065 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:36:58,065 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:36:58,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418339198] [2020-11-29 19:36:58,066 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:36:58,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:36:58,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:36:58,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:36:58,066 INFO L87 Difference]: Start difference. First operand 14691 states and 15115 transitions. Second operand 3 states. [2020-11-29 19:37:00,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:37:00,762 INFO L93 Difference]: Finished difference Result 27285 states and 28097 transitions. [2020-11-29 19:37:00,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:37:00,765 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 790 [2020-11-29 19:37:00,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:37:00,778 INFO L225 Difference]: With dead ends: 27285 [2020-11-29 19:37:00,778 INFO L226 Difference]: Without dead ends: 14990 [2020-11-29 19:37:00,783 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:37:00,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14990 states. [2020-11-29 19:37:00,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14990 to 13794. [2020-11-29 19:37:00,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13794 states. [2020-11-29 19:37:00,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13794 states to 13794 states and 14182 transitions. [2020-11-29 19:37:00,946 INFO L78 Accepts]: Start accepts. Automaton has 13794 states and 14182 transitions. Word has length 790 [2020-11-29 19:37:00,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:37:00,947 INFO L481 AbstractCegarLoop]: Abstraction has 13794 states and 14182 transitions. [2020-11-29 19:37:00,947 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:37:00,947 INFO L276 IsEmpty]: Start isEmpty. Operand 13794 states and 14182 transitions. [2020-11-29 19:37:00,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 839 [2020-11-29 19:37:00,963 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:37:00,963 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 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] [2020-11-29 19:37:00,964 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-11-29 19:37:00,964 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:37:00,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:37:00,965 INFO L82 PathProgramCache]: Analyzing trace with hash -992553771, now seen corresponding path program 1 times [2020-11-29 19:37:00,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:37:00,965 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739080150] [2020-11-29 19:37:00,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:37:01,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:37:01,824 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 1017 trivial. 0 not checked. [2020-11-29 19:37:01,824 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739080150] [2020-11-29 19:37:01,824 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:37:01,825 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:37:01,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599897048] [2020-11-29 19:37:01,826 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:37:01,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:37:01,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:37:01,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:37:01,827 INFO L87 Difference]: Start difference. First operand 13794 states and 14182 transitions. Second operand 3 states. [2020-11-29 19:37:04,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:37:04,381 INFO L93 Difference]: Finished difference Result 26687 states and 27444 transitions. [2020-11-29 19:37:04,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:37:04,383 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 838 [2020-11-29 19:37:04,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:37:04,396 INFO L225 Difference]: With dead ends: 26687 [2020-11-29 19:37:04,396 INFO L226 Difference]: Without dead ends: 15289 [2020-11-29 19:37:04,401 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:37:04,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15289 states. [2020-11-29 19:37:04,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15289 to 13794. [2020-11-29 19:37:04,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13794 states. [2020-11-29 19:37:04,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13794 states to 13794 states and 14168 transitions. [2020-11-29 19:37:04,555 INFO L78 Accepts]: Start accepts. Automaton has 13794 states and 14168 transitions. Word has length 838 [2020-11-29 19:37:04,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:37:04,556 INFO L481 AbstractCegarLoop]: Abstraction has 13794 states and 14168 transitions. [2020-11-29 19:37:04,556 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:37:04,556 INFO L276 IsEmpty]: Start isEmpty. Operand 13794 states and 14168 transitions. [2020-11-29 19:37:04,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1031 [2020-11-29 19:37:04,580 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:37:04,580 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-29 19:37:04,580 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-11-29 19:37:04,581 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:37:04,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:37:04,581 INFO L82 PathProgramCache]: Analyzing trace with hash -616990798, now seen corresponding path program 1 times [2020-11-29 19:37:04,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:37:04,582 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922569640] [2020-11-29 19:37:04,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:37:04,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:37:06,511 INFO L134 CoverageAnalysis]: Checked inductivity of 1748 backedges. 670 proven. 447 refuted. 0 times theorem prover too weak. 631 trivial. 0 not checked. [2020-11-29 19:37:06,511 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922569640] [2020-11-29 19:37:06,511 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [700593162] [2020-11-29 19:37:06,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5bb5a44c-98f9-4fb5-89b2-40eee5ab91f2/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:37:06,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:37:06,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 1214 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:37:06,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:37:07,843 INFO L134 CoverageAnalysis]: Checked inductivity of 1748 backedges. 811 proven. 0 refuted. 0 times theorem prover too weak. 937 trivial. 0 not checked. [2020-11-29 19:37:07,844 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 19:37:07,844 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-11-29 19:37:07,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540179841] [2020-11-29 19:37:07,845 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:37:07,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:37:07,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:37:07,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:37:07,845 INFO L87 Difference]: Start difference. First operand 13794 states and 14168 transitions. Second operand 3 states. [2020-11-29 19:37:10,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:37:10,459 INFO L93 Difference]: Finished difference Result 27282 states and 28029 transitions. [2020-11-29 19:37:10,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:37:10,462 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1030 [2020-11-29 19:37:10,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:37:10,463 INFO L225 Difference]: With dead ends: 27282 [2020-11-29 19:37:10,463 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 19:37:10,470 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1035 GetRequests, 1032 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:37:10,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 19:37:10,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 19:37:10,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 19:37:10,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 19:37:10,471 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1030 [2020-11-29 19:37:10,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:37:10,471 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 19:37:10,472 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:37:10,472 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 19:37:10,472 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 19:37:10,672 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:37:10,674 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 19:37:12,528 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 829 DAG size of output: 511 [2020-11-29 19:37:13,344 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 609 DAG size of output: 415 [2020-11-29 19:37:14,459 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 826 DAG size of output: 511 [2020-11-29 19:37:22,712 WARN L193 SmtUtils]: Spent 8.24 s on a formula simplification. DAG size of input: 456 DAG size of output: 120 [2020-11-29 19:37:30,013 WARN L193 SmtUtils]: Spent 7.30 s on a formula simplification. DAG size of input: 383 DAG size of output: 118 [2020-11-29 19:37:37,714 WARN L193 SmtUtils]: Spent 7.70 s on a formula simplification. DAG size of input: 456 DAG size of output: 120 [2020-11-29 19:37:37,721 INFO L274 CegarLoopResult]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,721 INFO L274 CegarLoopResult]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,721 INFO L274 CegarLoopResult]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,722 INFO L274 CegarLoopResult]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2020-11-29 19:37:37,722 INFO L274 CegarLoopResult]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,722 INFO L274 CegarLoopResult]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,722 INFO L274 CegarLoopResult]: For program point L896(lines 896 904) no Hoare annotation was computed. [2020-11-29 19:37:37,722 INFO L274 CegarLoopResult]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2020-11-29 19:37:37,722 INFO L274 CegarLoopResult]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,722 INFO L274 CegarLoopResult]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,722 INFO L274 CegarLoopResult]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,722 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-11-29 19:37:37,722 INFO L274 CegarLoopResult]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,722 INFO L274 CegarLoopResult]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,722 INFO L274 CegarLoopResult]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,722 INFO L274 CegarLoopResult]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,722 INFO L274 CegarLoopResult]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,723 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-11-29 19:37:37,723 INFO L274 CegarLoopResult]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,723 INFO L274 CegarLoopResult]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,723 INFO L274 CegarLoopResult]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2020-11-29 19:37:37,723 INFO L274 CegarLoopResult]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2020-11-29 19:37:37,723 INFO L274 CegarLoopResult]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,723 INFO L274 CegarLoopResult]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,723 INFO L274 CegarLoopResult]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2020-11-29 19:37:37,723 INFO L274 CegarLoopResult]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,723 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-11-29 19:37:37,723 INFO L274 CegarLoopResult]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,723 INFO L274 CegarLoopResult]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2020-11-29 19:37:37,723 INFO L274 CegarLoopResult]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2020-11-29 19:37:37,723 INFO L274 CegarLoopResult]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,724 INFO L274 CegarLoopResult]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,724 INFO L274 CegarLoopResult]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2020-11-29 19:37:37,724 INFO L274 CegarLoopResult]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2020-11-29 19:37:37,724 INFO L274 CegarLoopResult]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,724 INFO L274 CegarLoopResult]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,724 INFO L274 CegarLoopResult]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,724 INFO L274 CegarLoopResult]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,724 INFO L274 CegarLoopResult]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,724 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-11-29 19:37:37,724 INFO L274 CegarLoopResult]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,724 INFO L274 CegarLoopResult]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,725 INFO L274 CegarLoopResult]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,725 INFO L274 CegarLoopResult]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,725 INFO L274 CegarLoopResult]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,725 INFO L274 CegarLoopResult]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,725 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-11-29 19:37:37,725 INFO L274 CegarLoopResult]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,725 INFO L274 CegarLoopResult]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,725 INFO L274 CegarLoopResult]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,725 INFO L274 CegarLoopResult]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2020-11-29 19:37:37,725 INFO L274 CegarLoopResult]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,725 INFO L274 CegarLoopResult]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,725 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-11-29 19:37:37,726 INFO L274 CegarLoopResult]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,726 INFO L274 CegarLoopResult]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,726 INFO L274 CegarLoopResult]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,726 INFO L274 CegarLoopResult]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,726 INFO L274 CegarLoopResult]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,726 INFO L274 CegarLoopResult]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,726 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-11-29 19:37:37,726 INFO L274 CegarLoopResult]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,726 INFO L274 CegarLoopResult]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,726 INFO L274 CegarLoopResult]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,726 INFO L274 CegarLoopResult]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,726 INFO L274 CegarLoopResult]: For program point L652(lines 652 661) no Hoare annotation was computed. [2020-11-29 19:37:37,727 INFO L274 CegarLoopResult]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2020-11-29 19:37:37,727 INFO L274 CegarLoopResult]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,727 INFO L274 CegarLoopResult]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,727 INFO L274 CegarLoopResult]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,727 INFO L274 CegarLoopResult]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,727 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-11-29 19:37:37,727 INFO L274 CegarLoopResult]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2020-11-29 19:37:37,727 INFO L274 CegarLoopResult]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,727 INFO L274 CegarLoopResult]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,727 INFO L274 CegarLoopResult]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,727 INFO L274 CegarLoopResult]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,728 INFO L274 CegarLoopResult]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,728 INFO L274 CegarLoopResult]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2020-11-29 19:37:37,728 INFO L274 CegarLoopResult]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,728 INFO L274 CegarLoopResult]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2020-11-29 19:37:37,728 INFO L274 CegarLoopResult]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2020-11-29 19:37:37,728 INFO L274 CegarLoopResult]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2020-11-29 19:37:37,728 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-11-29 19:37:37,728 INFO L274 CegarLoopResult]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,728 INFO L274 CegarLoopResult]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,728 INFO L274 CegarLoopResult]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,728 INFO L274 CegarLoopResult]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,728 INFO L274 CegarLoopResult]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,729 INFO L274 CegarLoopResult]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2020-11-29 19:37:37,729 INFO L274 CegarLoopResult]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,729 INFO L274 CegarLoopResult]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,729 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-11-29 19:37:37,729 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 19:37:37,729 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2020-11-29 19:37:37,729 INFO L274 CegarLoopResult]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,729 INFO L274 CegarLoopResult]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2020-11-29 19:37:37,729 INFO L274 CegarLoopResult]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,729 INFO L274 CegarLoopResult]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,729 INFO L274 CegarLoopResult]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,730 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-11-29 19:37:37,730 INFO L274 CegarLoopResult]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,730 INFO L274 CegarLoopResult]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2020-11-29 19:37:37,730 INFO L274 CegarLoopResult]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2020-11-29 19:37:37,730 INFO L274 CegarLoopResult]: For program point L531(lines 531 538) no Hoare annotation was computed. [2020-11-29 19:37:37,730 INFO L274 CegarLoopResult]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2020-11-29 19:37:37,730 INFO L274 CegarLoopResult]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2020-11-29 19:37:37,730 INFO L274 CegarLoopResult]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2020-11-29 19:37:37,730 INFO L274 CegarLoopResult]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,730 INFO L274 CegarLoopResult]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,730 INFO L274 CegarLoopResult]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,730 INFO L274 CegarLoopResult]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,730 INFO L274 CegarLoopResult]: For program point L401(lines 401 412) no Hoare annotation was computed. [2020-11-29 19:37:37,731 INFO L274 CegarLoopResult]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2020-11-29 19:37:37,731 INFO L274 CegarLoopResult]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,731 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-11-29 19:37:37,731 INFO L274 CegarLoopResult]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,731 INFO L274 CegarLoopResult]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,731 INFO L274 CegarLoopResult]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,731 INFO L274 CegarLoopResult]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,731 INFO L274 CegarLoopResult]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,731 INFO L274 CegarLoopResult]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,731 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-11-29 19:37:37,731 INFO L274 CegarLoopResult]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,732 INFO L274 CegarLoopResult]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,732 INFO L274 CegarLoopResult]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,732 INFO L274 CegarLoopResult]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,732 INFO L274 CegarLoopResult]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,732 INFO L274 CegarLoopResult]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2020-11-29 19:37:37,732 INFO L274 CegarLoopResult]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2020-11-29 19:37:37,732 INFO L274 CegarLoopResult]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,732 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-11-29 19:37:37,732 INFO L274 CegarLoopResult]: For program point L804(lines 804 813) no Hoare annotation was computed. [2020-11-29 19:37:37,732 INFO L274 CegarLoopResult]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2020-11-29 19:37:37,732 INFO L274 CegarLoopResult]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,732 INFO L274 CegarLoopResult]: For program point L540(lines 540 551) no Hoare annotation was computed. [2020-11-29 19:37:37,733 INFO L274 CegarLoopResult]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2020-11-29 19:37:37,733 INFO L274 CegarLoopResult]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,733 INFO L274 CegarLoopResult]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,733 INFO L274 CegarLoopResult]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,733 INFO L274 CegarLoopResult]: For program point L13(line 13) no Hoare annotation was computed. [2020-11-29 19:37:37,733 INFO L274 CegarLoopResult]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,733 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-11-29 19:37:37,733 INFO L274 CegarLoopResult]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2020-11-29 19:37:37,733 INFO L274 CegarLoopResult]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,733 INFO L274 CegarLoopResult]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,733 INFO L274 CegarLoopResult]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,733 INFO L274 CegarLoopResult]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2020-11-29 19:37:37,734 INFO L274 CegarLoopResult]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2020-11-29 19:37:37,734 INFO L274 CegarLoopResult]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,734 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-11-29 19:37:37,734 INFO L274 CegarLoopResult]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,734 INFO L274 CegarLoopResult]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,734 INFO L274 CegarLoopResult]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,734 INFO L274 CegarLoopResult]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,734 INFO L274 CegarLoopResult]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,734 INFO L274 CegarLoopResult]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,734 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-11-29 19:37:37,734 INFO L274 CegarLoopResult]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,734 INFO L274 CegarLoopResult]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,735 INFO L274 CegarLoopResult]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2020-11-29 19:37:37,735 INFO L274 CegarLoopResult]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,735 INFO L274 CegarLoopResult]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,735 INFO L274 CegarLoopResult]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,735 INFO L274 CegarLoopResult]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,735 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-11-29 19:37:37,738 INFO L274 CegarLoopResult]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,739 INFO L274 CegarLoopResult]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,739 INFO L274 CegarLoopResult]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,739 INFO L274 CegarLoopResult]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,739 INFO L274 CegarLoopResult]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,739 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-11-29 19:37:37,739 INFO L274 CegarLoopResult]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,740 INFO L274 CegarLoopResult]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,740 INFO L274 CegarLoopResult]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,740 INFO L274 CegarLoopResult]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,740 INFO L274 CegarLoopResult]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2020-11-29 19:37:37,740 INFO L274 CegarLoopResult]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,740 INFO L274 CegarLoopResult]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,740 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 19:37:37,741 INFO L274 CegarLoopResult]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,741 INFO L274 CegarLoopResult]: For program point L557(lines 557 566) no Hoare annotation was computed. [2020-11-29 19:37:37,741 INFO L274 CegarLoopResult]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2020-11-29 19:37:37,741 INFO L274 CegarLoopResult]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,741 INFO L274 CegarLoopResult]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,741 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-11-29 19:37:37,742 INFO L274 CegarLoopResult]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,742 INFO L274 CegarLoopResult]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,742 INFO L274 CegarLoopResult]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,742 INFO L274 CegarLoopResult]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,742 INFO L274 CegarLoopResult]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,742 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-11-29 19:37:37,742 INFO L274 CegarLoopResult]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,743 INFO L274 CegarLoopResult]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,743 INFO L274 CegarLoopResult]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,743 INFO L274 CegarLoopResult]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,743 INFO L274 CegarLoopResult]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,743 INFO L274 CegarLoopResult]: For program point L34(lines 34 36) no Hoare annotation was computed. [2020-11-29 19:37:37,743 INFO L274 CegarLoopResult]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,744 INFO L274 CegarLoopResult]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,744 INFO L274 CegarLoopResult]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2020-11-29 19:37:37,744 INFO L274 CegarLoopResult]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,744 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-11-29 19:37:37,744 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-11-29 19:37:37,744 INFO L274 CegarLoopResult]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,744 INFO L274 CegarLoopResult]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,745 INFO L274 CegarLoopResult]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,745 INFO L274 CegarLoopResult]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,745 INFO L274 CegarLoopResult]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,745 INFO L274 CegarLoopResult]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2020-11-29 19:37:37,745 INFO L274 CegarLoopResult]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2020-11-29 19:37:37,745 INFO L274 CegarLoopResult]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,746 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-11-29 19:37:37,746 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-11-29 19:37:37,746 INFO L274 CegarLoopResult]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,746 INFO L274 CegarLoopResult]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,746 INFO L274 CegarLoopResult]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,746 INFO L274 CegarLoopResult]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,746 INFO L274 CegarLoopResult]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,747 INFO L274 CegarLoopResult]: For program point L568(lines 568 578) no Hoare annotation was computed. [2020-11-29 19:37:37,747 INFO L274 CegarLoopResult]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2020-11-29 19:37:37,747 INFO L274 CegarLoopResult]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2020-11-29 19:37:37,747 INFO L274 CegarLoopResult]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2020-11-29 19:37:37,747 INFO L274 CegarLoopResult]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,747 INFO L274 CegarLoopResult]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,747 INFO L274 CegarLoopResult]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,748 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-11-29 19:37:37,748 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-11-29 19:37:37,748 INFO L274 CegarLoopResult]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,748 INFO L274 CegarLoopResult]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2020-11-29 19:37:37,748 INFO L274 CegarLoopResult]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,748 INFO L274 CegarLoopResult]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,749 INFO L274 CegarLoopResult]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,749 INFO L274 CegarLoopResult]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,749 INFO L274 CegarLoopResult]: For program point L704(lines 704 716) no Hoare annotation was computed. [2020-11-29 19:37:37,749 INFO L274 CegarLoopResult]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2020-11-29 19:37:37,749 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-11-29 19:37:37,749 INFO L274 CegarLoopResult]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,749 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-11-29 19:37:37,750 INFO L274 CegarLoopResult]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,750 INFO L274 CegarLoopResult]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,750 INFO L274 CegarLoopResult]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,750 INFO L274 CegarLoopResult]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,750 INFO L274 CegarLoopResult]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,750 INFO L274 CegarLoopResult]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,750 INFO L274 CegarLoopResult]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,751 INFO L274 CegarLoopResult]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,751 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-11-29 19:37:37,751 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-11-29 19:37:37,751 INFO L274 CegarLoopResult]: For program point L840(lines 840 849) no Hoare annotation was computed. [2020-11-29 19:37:37,751 INFO L274 CegarLoopResult]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2020-11-29 19:37:37,751 INFO L274 CegarLoopResult]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,752 INFO L274 CegarLoopResult]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,752 INFO L274 CegarLoopResult]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,752 INFO L274 CegarLoopResult]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,753 INFO L270 CegarLoopResult]: At program point L1767(lines 1668 1768) the Hoare annotation is: (let ((.cse24 (+ ~a4~0 86))) (let ((.cse5 (<= (+ ~a4~0 42) 0)) (.cse13 (= 3 ~a2~0)) (.cse8 (+ ~a0~0 147)) (.cse3 (<= (+ ~a4~0 89) 0)) (.cse0 (<= 0 (+ ~a0~0 60))) (.cse11 (= 2 ~a2~0)) (.cse20 (<= 0 (+ ~a29~0 127))) (.cse2 (<= .cse24 0))) (let ((.cse7 (< 0 .cse24)) (.cse15 (< ~a29~0 43)) (.cse19 (= ~a2~0 4)) (.cse17 (and .cse0 .cse11 .cse20 .cse2)) (.cse18 (and .cse3 .cse11)) (.cse9 (<= (+ ~a0~0 98) 0)) (.cse12 (<= 0 (+ ~a29~0 14))) (.cse4 (<= 5 ~a2~0)) (.cse16 (<= (+ ~a29~0 144) 0)) (.cse14 (<= .cse8 0)) (.cse6 (= ~a2~0 1)) (.cse1 (<= 44 ~a29~0)) (.cse22 (<= 0 (+ ~a0~0 97))) (.cse21 (let ((.cse23 (<= ~a29~0 4455))) (or (and .cse0 .cse5 .cse13 .cse23 .cse20) (and .cse13 .cse3 .cse20) (and .cse0 .cse13 .cse20 .cse2) (and .cse13 .cse23 .cse20 .cse2)))) (.cse10 (<= ~a29~0 41))) (or (and (or (and .cse0 .cse1 .cse2) (and .cse1 .cse3)) .cse4) (and .cse5 .cse6 .cse7 (< 0 .cse8) .cse9) (and .cse5 .cse6 .cse7 .cse10) (and .cse1 .cse7 .cse11 .cse9) (and .cse3 .cse9 .cse12) (and .cse5 .cse7 .cse13 .cse9) (and .cse6 .cse3 .cse12) (and .cse14 .cse3) (and .cse5 .cse7 .cse10 .cse9 .cse4) (and .cse14 .cse6 .cse2) (and .cse15 (or (and .cse0 .cse16 .cse11 .cse2) .cse17 .cse18)) (and .cse5 .cse14 .cse7 .cse19 .cse16) (and .cse5 .cse14 .cse7 .cse11) (and .cse5 .cse14 .cse7 .cse19 .cse20) (and .cse21 .cse9) (and .cse0 .cse15 .cse19 .cse2 .cse12) (and .cse5 .cse1 .cse7 .cse19 .cse9) (and .cse5 .cse1 .cse7 .cse9 .cse4) (and .cse6 .cse22 .cse10 .cse2) (and .cse5 .cse7 .cse10 .cse11 .cse9 .cse12) (and .cse5 .cse14 .cse7 .cse4) (and .cse15 .cse19 .cse3) (and .cse1 (or .cse17 .cse18)) (and .cse21 .cse1) (and .cse6 .cse16 .cse2) (and .cse5 .cse14 .cse1 .cse4) (and .cse3 .cse9 .cse4) (and (or (and .cse0 .cse20 .cse2) (and .cse3 .cse12)) .cse10 .cse4) (and .cse14 .cse13 .cse2) (and .cse13 .cse3 .cse16) (and .cse5 .cse14 .cse6 .cse1) (and .cse22 .cse13 .cse3) (and .cse21 .cse10))))) [2020-11-29 19:37:37,753 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-11-29 19:37:37,753 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-11-29 19:37:37,753 INFO L274 CegarLoopResult]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,753 INFO L274 CegarLoopResult]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,754 INFO L274 CegarLoopResult]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,754 INFO L274 CegarLoopResult]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,754 INFO L274 CegarLoopResult]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,754 INFO L274 CegarLoopResult]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,754 INFO L274 CegarLoopResult]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,754 INFO L274 CegarLoopResult]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2020-11-29 19:37:37,754 INFO L274 CegarLoopResult]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,755 INFO L274 CegarLoopResult]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2020-11-29 19:37:37,755 INFO L277 CegarLoopResult]: At program point L1770(lines 1770 1786) the Hoare annotation is: true [2020-11-29 19:37:37,755 INFO L274 CegarLoopResult]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,755 INFO L274 CegarLoopResult]: For program point L317(lines 317 329) no Hoare annotation was computed. [2020-11-29 19:37:37,755 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2020-11-29 19:37:37,755 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-11-29 19:37:37,756 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-11-29 19:37:37,756 INFO L274 CegarLoopResult]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,756 INFO L274 CegarLoopResult]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,756 INFO L274 CegarLoopResult]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,756 INFO L274 CegarLoopResult]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,756 INFO L274 CegarLoopResult]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,757 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-11-29 19:37:37,757 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-11-29 19:37:37,757 INFO L274 CegarLoopResult]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,757 INFO L274 CegarLoopResult]: For program point L585(lines 585 596) no Hoare annotation was computed. [2020-11-29 19:37:37,757 INFO L274 CegarLoopResult]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2020-11-29 19:37:37,757 INFO L274 CegarLoopResult]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,757 INFO L274 CegarLoopResult]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,757 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 19:37:37,758 INFO L274 CegarLoopResult]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,758 INFO L274 CegarLoopResult]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,758 INFO L274 CegarLoopResult]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,758 INFO L274 CegarLoopResult]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,759 INFO L270 CegarLoopResult]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse23 (+ ~a4~0 86))) (let ((.cse3 (+ ~a0~0 147)) (.cse0 (<= (+ ~a4~0 42) 0)) (.cse14 (= 3 ~a2~0)) (.cse8 (<= (+ ~a4~0 89) 0)) (.cse10 (<= 0 (+ ~a0~0 60))) (.cse7 (= 2 ~a2~0)) (.cse11 (<= 0 (+ ~a29~0 127))) (.cse12 (<= .cse23 0))) (let ((.cse16 (< ~a29~0 43)) (.cse20 (= ~a2~0 4)) (.cse18 (and .cse10 .cse7 .cse11 .cse12)) (.cse19 (and .cse8 .cse7)) (.cse4 (<= (+ ~a0~0 98) 0)) (.cse9 (<= 0 (+ ~a29~0 14))) (.cse1 (= ~a2~0 1)) (.cse6 (<= 44 ~a29~0)) (.cse22 (<= 0 (+ ~a0~0 97))) (.cse17 (<= (+ ~a29~0 144) 0)) (.cse21 (let ((.cse24 (<= ~a29~0 4455))) (or (and .cse10 .cse0 .cse14 .cse24 .cse11) (and .cse14 .cse8 .cse11) (and .cse10 .cse14 .cse11 .cse12) (and .cse14 .cse24 .cse11 .cse12)))) (.cse5 (<= ~a29~0 41)) (.cse15 (<= .cse3 0)) (.cse2 (< 0 .cse23)) (.cse13 (<= 5 ~a2~0))) (or (and .cse0 .cse1 .cse2 (< 0 .cse3) .cse4) (and .cse0 .cse1 .cse2 .cse5) (and .cse6 .cse2 .cse7 .cse4) (and .cse8 .cse4 .cse9) (and (or (and .cse10 .cse6 .cse11 .cse12) (and .cse6 .cse8)) .cse13) (and .cse0 .cse2 .cse14 .cse4) (and .cse1 .cse8 .cse9) (and .cse15 .cse8) (and .cse0 .cse2 .cse5 .cse4 .cse13) (and .cse15 .cse1 .cse12) (and .cse16 (or (and .cse10 .cse17 .cse7 .cse12) .cse18 .cse19)) (and .cse0 .cse15 .cse2 .cse20 .cse17) (and .cse0 .cse15 .cse2 .cse7) (and .cse0 .cse15 .cse2 .cse20 .cse11) (and .cse21 .cse4) (and .cse10 .cse16 .cse20 .cse12 .cse9) (and .cse0 .cse6 .cse2 .cse20 .cse4) (and .cse0 .cse6 .cse2 .cse4 .cse13) (and .cse1 .cse22 .cse5 .cse12) (and .cse0 .cse2 .cse5 .cse7 .cse4 .cse9) (and .cse16 .cse20 .cse8) (and .cse6 (or .cse18 .cse19)) (and .cse0 .cse15 .cse6 .cse11 .cse13) (and .cse0 .cse15 .cse14) (and .cse21 .cse6) (and .cse1 .cse17 .cse12) (and .cse8 .cse4 .cse13) (and (or (and .cse10 .cse11 .cse12) (and .cse8 .cse9)) .cse5 .cse13) (and .cse0 .cse15 .cse1 .cse6) (and .cse22 .cse14 .cse8) (and .cse14 .cse8 .cse17) (and .cse21 .cse5) (and .cse0 .cse15 .cse2 .cse11 .cse13))))) [2020-11-29 19:37:37,759 INFO L274 CegarLoopResult]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,759 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-11-29 19:37:37,759 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-11-29 19:37:37,759 INFO L274 CegarLoopResult]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,759 INFO L274 CegarLoopResult]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,760 INFO L274 CegarLoopResult]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,760 INFO L274 CegarLoopResult]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,760 INFO L274 CegarLoopResult]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,760 INFO L274 CegarLoopResult]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,760 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-11-29 19:37:37,760 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-11-29 19:37:37,761 INFO L274 CegarLoopResult]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,761 INFO L274 CegarLoopResult]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,761 INFO L274 CegarLoopResult]: For program point L1781(line 1781) no Hoare annotation was computed. [2020-11-29 19:37:37,761 INFO L274 CegarLoopResult]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,761 INFO L274 CegarLoopResult]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,761 INFO L274 CegarLoopResult]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,761 INFO L274 CegarLoopResult]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,762 INFO L274 CegarLoopResult]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,762 INFO L274 CegarLoopResult]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,762 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-11-29 19:37:37,762 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-11-29 19:37:37,762 INFO L274 CegarLoopResult]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,762 INFO L274 CegarLoopResult]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,762 INFO L274 CegarLoopResult]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,763 INFO L274 CegarLoopResult]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,763 INFO L274 CegarLoopResult]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,763 INFO L274 CegarLoopResult]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,763 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-11-29 19:37:37,763 INFO L274 CegarLoopResult]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,763 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-11-29 19:37:37,763 INFO L274 CegarLoopResult]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,764 INFO L274 CegarLoopResult]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,764 INFO L274 CegarLoopResult]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,764 INFO L274 CegarLoopResult]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,764 INFO L274 CegarLoopResult]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,764 INFO L274 CegarLoopResult]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,764 INFO L274 CegarLoopResult]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,764 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-11-29 19:37:37,765 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-11-29 19:37:37,765 INFO L274 CegarLoopResult]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,765 INFO L274 CegarLoopResult]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,765 INFO L274 CegarLoopResult]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,765 INFO L274 CegarLoopResult]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,765 INFO L274 CegarLoopResult]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,765 INFO L274 CegarLoopResult]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,766 INFO L274 CegarLoopResult]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,766 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-11-29 19:37:37,766 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-11-29 19:37:37,766 INFO L274 CegarLoopResult]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,766 INFO L274 CegarLoopResult]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,766 INFO L274 CegarLoopResult]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,766 INFO L274 CegarLoopResult]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,767 INFO L274 CegarLoopResult]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,767 INFO L274 CegarLoopResult]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,767 INFO L274 CegarLoopResult]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,767 INFO L274 CegarLoopResult]: For program point L605(lines 605 615) no Hoare annotation was computed. [2020-11-29 19:37:37,767 INFO L274 CegarLoopResult]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2020-11-29 19:37:37,767 INFO L274 CegarLoopResult]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,767 INFO L274 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-11-29 19:37:37,768 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-11-29 19:37:37,768 INFO L274 CegarLoopResult]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,768 INFO L274 CegarLoopResult]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,768 INFO L274 CegarLoopResult]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,768 INFO L274 CegarLoopResult]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,768 INFO L274 CegarLoopResult]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,769 INFO L274 CegarLoopResult]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,769 INFO L270 CegarLoopResult]: At program point L1665(lines 33 1666) the Hoare annotation is: (let ((.cse23 (+ ~a4~0 86))) (let ((.cse3 (+ ~a0~0 147)) (.cse0 (<= (+ ~a4~0 42) 0)) (.cse14 (= 3 ~a2~0)) (.cse8 (<= (+ ~a4~0 89) 0)) (.cse10 (<= 0 (+ ~a0~0 60))) (.cse7 (= 2 ~a2~0)) (.cse11 (<= 0 (+ ~a29~0 127))) (.cse12 (<= .cse23 0))) (let ((.cse16 (< ~a29~0 43)) (.cse20 (= ~a2~0 4)) (.cse18 (and .cse10 .cse7 .cse11 .cse12)) (.cse19 (and .cse8 .cse7)) (.cse4 (<= (+ ~a0~0 98) 0)) (.cse9 (<= 0 (+ ~a29~0 14))) (.cse1 (= ~a2~0 1)) (.cse6 (<= 44 ~a29~0)) (.cse22 (<= 0 (+ ~a0~0 97))) (.cse17 (<= (+ ~a29~0 144) 0)) (.cse21 (let ((.cse24 (<= ~a29~0 4455))) (or (and .cse10 .cse0 .cse14 .cse24 .cse11) (and .cse14 .cse8 .cse11) (and .cse10 .cse14 .cse11 .cse12) (and .cse14 .cse24 .cse11 .cse12)))) (.cse5 (<= ~a29~0 41)) (.cse15 (<= .cse3 0)) (.cse2 (< 0 .cse23)) (.cse13 (<= 5 ~a2~0))) (or (and .cse0 .cse1 .cse2 (< 0 .cse3) .cse4) (and .cse0 .cse1 .cse2 .cse5) (and .cse6 .cse2 .cse7 .cse4) (and .cse8 .cse4 .cse9) (and (or (and .cse10 .cse6 .cse11 .cse12) (and .cse6 .cse8)) .cse13) (and .cse0 .cse2 .cse14 .cse4) (and .cse1 .cse8 .cse9) (and .cse15 .cse8) (and .cse0 .cse2 .cse5 .cse4 .cse13) (and .cse15 .cse1 .cse12) (and .cse16 (or (and .cse10 .cse17 .cse7 .cse12) .cse18 .cse19)) (and .cse0 .cse15 .cse2 .cse20 .cse17) (and .cse0 .cse15 .cse2 .cse7) (and .cse0 .cse15 .cse2 .cse20 .cse11) (and .cse21 .cse4) (and .cse10 .cse16 .cse20 .cse12 .cse9) (and .cse0 .cse6 .cse2 .cse20 .cse4) (and .cse0 .cse6 .cse2 .cse4 .cse13) (and .cse1 .cse22 .cse5 .cse12) (and .cse0 .cse2 .cse5 .cse7 .cse4 .cse9) (and .cse16 .cse20 .cse8) (and .cse6 (or .cse18 .cse19)) (and .cse0 .cse15 .cse6 .cse11 .cse13) (and .cse0 .cse15 .cse14) (and .cse21 .cse6) (and .cse1 .cse17 .cse12) (and .cse8 .cse4 .cse13) (and (or (and .cse10 .cse11 .cse12) (and .cse8 .cse9)) .cse5 .cse13) (and .cse0 .cse15 .cse1 .cse6) (and .cse22 .cse14 .cse8) (and .cse14 .cse8 .cse17) (and .cse21 .cse5) (and .cse0 .cse15 .cse2 .cse11 .cse13))))) [2020-11-29 19:37:37,769 INFO L274 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-11-29 19:37:37,769 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-11-29 19:37:37,770 INFO L274 CegarLoopResult]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,770 INFO L274 CegarLoopResult]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,770 INFO L274 CegarLoopResult]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,770 INFO L274 CegarLoopResult]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,770 INFO L274 CegarLoopResult]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,770 INFO L274 CegarLoopResult]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,770 INFO L274 CegarLoopResult]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,771 INFO L274 CegarLoopResult]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,771 INFO L274 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-11-29 19:37:37,771 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-11-29 19:37:37,771 INFO L274 CegarLoopResult]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,771 INFO L274 CegarLoopResult]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2020-11-29 19:37:37,771 INFO L274 CegarLoopResult]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2020-11-29 19:37:37,771 INFO L274 CegarLoopResult]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,772 INFO L274 CegarLoopResult]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,772 INFO L274 CegarLoopResult]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,772 INFO L274 CegarLoopResult]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,772 INFO L274 CegarLoopResult]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,772 INFO L274 CegarLoopResult]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2020-11-29 19:37:37,772 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 19:37:37,773 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-11-29 19:37:37,773 INFO L274 CegarLoopResult]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,773 INFO L274 CegarLoopResult]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,773 INFO L274 CegarLoopResult]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,773 INFO L274 CegarLoopResult]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,773 INFO L274 CegarLoopResult]: For program point L352(lines 352 359) no Hoare annotation was computed. [2020-11-29 19:37:37,773 INFO L274 CegarLoopResult]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2020-11-29 19:37:37,774 INFO L274 CegarLoopResult]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2020-11-29 19:37:37,774 INFO L274 CegarLoopResult]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,774 INFO L274 CegarLoopResult]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2020-11-29 19:37:37,774 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-11-29 19:37:37,774 INFO L274 CegarLoopResult]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,774 INFO L274 CegarLoopResult]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,774 INFO L274 CegarLoopResult]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,775 INFO L274 CegarLoopResult]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,775 INFO L274 CegarLoopResult]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,775 INFO L274 CegarLoopResult]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,775 INFO L274 CegarLoopResult]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,775 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-11-29 19:37:37,775 INFO L274 CegarLoopResult]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2020-11-29 19:37:37,775 INFO L274 CegarLoopResult]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,776 INFO L274 CegarLoopResult]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,776 INFO L274 CegarLoopResult]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,776 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-11-29 19:37:37,776 INFO L274 CegarLoopResult]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,776 INFO L274 CegarLoopResult]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,776 INFO L274 CegarLoopResult]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2020-11-29 19:37:37,776 INFO L274 CegarLoopResult]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,777 INFO L274 CegarLoopResult]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,777 INFO L274 CegarLoopResult]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,777 INFO L274 CegarLoopResult]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,777 INFO L274 CegarLoopResult]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,777 INFO L274 CegarLoopResult]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,777 INFO L274 CegarLoopResult]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,777 INFO L274 CegarLoopResult]: For program point L230(lines 230 238) no Hoare annotation was computed. [2020-11-29 19:37:37,778 INFO L274 CegarLoopResult]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2020-11-29 19:37:37,778 INFO L274 CegarLoopResult]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,778 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-11-29 19:37:37,778 INFO L274 CegarLoopResult]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,778 INFO L274 CegarLoopResult]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2020-11-29 19:37:37,778 INFO L274 CegarLoopResult]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,779 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-11-29 19:37:37,779 INFO L274 CegarLoopResult]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2020-11-29 19:37:37,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:37:37 BoogieIcfgContainer [2020-11-29 19:37:37,855 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 19:37:37,856 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:37:37,856 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:37:37,856 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:37:37,857 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:34:31" (3/4) ... [2020-11-29 19:37:37,872 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 19:37:37,914 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-11-29 19:37:37,918 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 19:37:37,922 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:37:37,926 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:37:38,178 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5bb5a44c-98f9-4fb5-89b2-40eee5ab91f2/bin/uautomizer/witness.graphml [2020-11-29 19:37:38,178 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:37:38,179 INFO L168 Benchmark]: Toolchain (without parser) took 193483.75 ms. Allocated memory was 94.4 MB in the beginning and 2.1 GB in the end (delta: 2.0 GB). Free memory was 60.4 MB in the beginning and 1.5 GB in the end (delta: -1.5 GB). Peak memory consumption was 547.5 MB. Max. memory is 16.1 GB. [2020-11-29 19:37:38,180 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 94.4 MB. Free memory was 52.4 MB in the beginning and 52.4 MB in the end (delta: 1.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:37:38,180 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1735.40 ms. Allocated memory was 94.4 MB in the beginning and 125.8 MB in the end (delta: 31.5 MB). Free memory was 60.2 MB in the beginning and 72.4 MB in the end (delta: -12.2 MB). Peak memory consumption was 35.9 MB. Max. memory is 16.1 GB. [2020-11-29 19:37:38,181 INFO L168 Benchmark]: Boogie Procedure Inliner took 316.52 ms. Allocated memory is still 125.8 MB. Free memory was 72.4 MB in the beginning and 65.2 MB in the end (delta: 7.2 MB). Peak memory consumption was 36.7 MB. Max. memory is 16.1 GB. [2020-11-29 19:37:38,181 INFO L168 Benchmark]: Boogie Preprocessor took 407.00 ms. Allocated memory is still 125.8 MB. Free memory was 65.2 MB in the beginning and 60.2 MB in the end (delta: 5.0 MB). Peak memory consumption was 38.3 MB. Max. memory is 16.1 GB. [2020-11-29 19:37:38,182 INFO L168 Benchmark]: RCFGBuilder took 4385.14 ms. Allocated memory was 125.8 MB in the beginning and 335.5 MB in the end (delta: 209.7 MB). Free memory was 60.2 MB in the beginning and 250.0 MB in the end (delta: -189.8 MB). Peak memory consumption was 119.3 MB. Max. memory is 16.1 GB. [2020-11-29 19:37:38,182 INFO L168 Benchmark]: TraceAbstraction took 186306.03 ms. Allocated memory was 335.5 MB in the beginning and 2.1 GB in the end (delta: 1.8 GB). Free memory was 249.0 MB in the beginning and 1.6 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.3 GB. Max. memory is 16.1 GB. [2020-11-29 19:37:38,183 INFO L168 Benchmark]: Witness Printer took 322.88 ms. Allocated memory is still 2.1 GB. Free memory was 1.6 GB in the beginning and 1.5 GB in the end (delta: 44.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. [2020-11-29 19:37:38,185 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 94.4 MB. Free memory was 52.4 MB in the beginning and 52.4 MB in the end (delta: 1.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1735.40 ms. Allocated memory was 94.4 MB in the beginning and 125.8 MB in the end (delta: 31.5 MB). Free memory was 60.2 MB in the beginning and 72.4 MB in the end (delta: -12.2 MB). Peak memory consumption was 35.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 316.52 ms. Allocated memory is still 125.8 MB. Free memory was 72.4 MB in the beginning and 65.2 MB in the end (delta: 7.2 MB). Peak memory consumption was 36.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 407.00 ms. Allocated memory is still 125.8 MB. Free memory was 65.2 MB in the beginning and 60.2 MB in the end (delta: 5.0 MB). Peak memory consumption was 38.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 4385.14 ms. Allocated memory was 125.8 MB in the beginning and 335.5 MB in the end (delta: 209.7 MB). Free memory was 60.2 MB in the beginning and 250.0 MB in the end (delta: -189.8 MB). Peak memory consumption was 119.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 186306.03 ms. Allocated memory was 335.5 MB in the beginning and 2.1 GB in the end (delta: 1.8 GB). Free memory was 249.0 MB in the beginning and 1.6 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.3 GB. Max. memory is 16.1 GB. * Witness Printer took 322.88 ms. Allocated memory is still 2.1 GB. Free memory was 1.6 GB in the beginning and 1.5 GB in the end (delta: 44.0 MB). Peak memory consumption was 44.0 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: 1776]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((a4 + 42 <= 0 && a2 == 1) && 0 < a4 + 86) && 0 < a0 + 147) && a0 + 98 <= 0) || (((a4 + 42 <= 0 && a2 == 1) && 0 < a4 + 86) && a29 <= 41)) || (((44 <= a29 && 0 < a4 + 86) && 2 == a2) && a0 + 98 <= 0)) || ((a4 + 89 <= 0 && a0 + 98 <= 0) && 0 <= a29 + 14)) || (((((0 <= a0 + 60 && 44 <= a29) && 0 <= a29 + 127) && a4 + 86 <= 0) || (44 <= a29 && a4 + 89 <= 0)) && 5 <= a2)) || (((a4 + 42 <= 0 && 0 < a4 + 86) && 3 == a2) && a0 + 98 <= 0)) || ((a2 == 1 && a4 + 89 <= 0) && 0 <= a29 + 14)) || (a0 + 147 <= 0 && a4 + 89 <= 0)) || ((((a4 + 42 <= 0 && 0 < a4 + 86) && a29 <= 41) && a0 + 98 <= 0) && 5 <= a2)) || ((a0 + 147 <= 0 && a2 == 1) && a4 + 86 <= 0)) || (a29 < 43 && (((((0 <= a0 + 60 && a29 + 144 <= 0) && 2 == a2) && a4 + 86 <= 0) || (((0 <= a0 + 60 && 2 == a2) && 0 <= a29 + 127) && a4 + 86 <= 0)) || (a4 + 89 <= 0 && 2 == a2)))) || ((((a4 + 42 <= 0 && a0 + 147 <= 0) && 0 < a4 + 86) && a2 == 4) && a29 + 144 <= 0)) || (((a4 + 42 <= 0 && a0 + 147 <= 0) && 0 < a4 + 86) && 2 == a2)) || ((((a4 + 42 <= 0 && a0 + 147 <= 0) && 0 < a4 + 86) && a2 == 4) && 0 <= a29 + 127)) || ((((((((0 <= a0 + 60 && a4 + 42 <= 0) && 3 == a2) && a29 <= 4455) && 0 <= a29 + 127) || ((3 == a2 && a4 + 89 <= 0) && 0 <= a29 + 127)) || (((0 <= a0 + 60 && 3 == a2) && 0 <= a29 + 127) && a4 + 86 <= 0)) || (((3 == a2 && a29 <= 4455) && 0 <= a29 + 127) && a4 + 86 <= 0)) && a0 + 98 <= 0)) || ((((0 <= a0 + 60 && a29 < 43) && a2 == 4) && a4 + 86 <= 0) && 0 <= a29 + 14)) || ((((a4 + 42 <= 0 && 44 <= a29) && 0 < a4 + 86) && a2 == 4) && a0 + 98 <= 0)) || ((((a4 + 42 <= 0 && 44 <= a29) && 0 < a4 + 86) && a0 + 98 <= 0) && 5 <= a2)) || (((a2 == 1 && 0 <= a0 + 97) && a29 <= 41) && a4 + 86 <= 0)) || (((((a4 + 42 <= 0 && 0 < a4 + 86) && a29 <= 41) && 2 == a2) && a0 + 98 <= 0) && 0 <= a29 + 14)) || ((a29 < 43 && a2 == 4) && a4 + 89 <= 0)) || (44 <= a29 && ((((0 <= a0 + 60 && 2 == a2) && 0 <= a29 + 127) && a4 + 86 <= 0) || (a4 + 89 <= 0 && 2 == a2)))) || ((((a4 + 42 <= 0 && a0 + 147 <= 0) && 44 <= a29) && 0 <= a29 + 127) && 5 <= a2)) || ((a4 + 42 <= 0 && a0 + 147 <= 0) && 3 == a2)) || ((((((((0 <= a0 + 60 && a4 + 42 <= 0) && 3 == a2) && a29 <= 4455) && 0 <= a29 + 127) || ((3 == a2 && a4 + 89 <= 0) && 0 <= a29 + 127)) || (((0 <= a0 + 60 && 3 == a2) && 0 <= a29 + 127) && a4 + 86 <= 0)) || (((3 == a2 && a29 <= 4455) && 0 <= a29 + 127) && a4 + 86 <= 0)) && 44 <= a29)) || ((a2 == 1 && a29 + 144 <= 0) && a4 + 86 <= 0)) || ((a4 + 89 <= 0 && a0 + 98 <= 0) && 5 <= a2)) || (((((0 <= a0 + 60 && 0 <= a29 + 127) && a4 + 86 <= 0) || (a4 + 89 <= 0 && 0 <= a29 + 14)) && a29 <= 41) && 5 <= a2)) || (((a4 + 42 <= 0 && a0 + 147 <= 0) && a2 == 1) && 44 <= a29)) || ((0 <= a0 + 97 && 3 == a2) && a4 + 89 <= 0)) || ((3 == a2 && a4 + 89 <= 0) && a29 + 144 <= 0)) || ((((((((0 <= a0 + 60 && a4 + 42 <= 0) && 3 == a2) && a29 <= 4455) && 0 <= a29 + 127) || ((3 == a2 && a4 + 89 <= 0) && 0 <= a29 + 127)) || (((0 <= a0 + 60 && 3 == a2) && 0 <= a29 + 127) && a4 + 86 <= 0)) || (((3 == a2 && a29 <= 4455) && 0 <= a29 + 127) && a4 + 86 <= 0)) && a29 <= 41)) || ((((a4 + 42 <= 0 && a0 + 147 <= 0) && 0 < a4 + 86) && 0 <= a29 + 127) && 5 <= a2) - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((0 <= a0 + 60 && 44 <= a29) && a4 + 86 <= 0) || (44 <= a29 && a4 + 89 <= 0)) && 5 <= a2) || ((((a4 + 42 <= 0 && a2 == 1) && 0 < a4 + 86) && 0 < a0 + 147) && a0 + 98 <= 0)) || (((a4 + 42 <= 0 && a2 == 1) && 0 < a4 + 86) && a29 <= 41)) || (((44 <= a29 && 0 < a4 + 86) && 2 == a2) && a0 + 98 <= 0)) || ((a4 + 89 <= 0 && a0 + 98 <= 0) && 0 <= a29 + 14)) || (((a4 + 42 <= 0 && 0 < a4 + 86) && 3 == a2) && a0 + 98 <= 0)) || ((a2 == 1 && a4 + 89 <= 0) && 0 <= a29 + 14)) || (a0 + 147 <= 0 && a4 + 89 <= 0)) || ((((a4 + 42 <= 0 && 0 < a4 + 86) && a29 <= 41) && a0 + 98 <= 0) && 5 <= a2)) || ((a0 + 147 <= 0 && a2 == 1) && a4 + 86 <= 0)) || (a29 < 43 && (((((0 <= a0 + 60 && a29 + 144 <= 0) && 2 == a2) && a4 + 86 <= 0) || (((0 <= a0 + 60 && 2 == a2) && 0 <= a29 + 127) && a4 + 86 <= 0)) || (a4 + 89 <= 0 && 2 == a2)))) || ((((a4 + 42 <= 0 && a0 + 147 <= 0) && 0 < a4 + 86) && a2 == 4) && a29 + 144 <= 0)) || (((a4 + 42 <= 0 && a0 + 147 <= 0) && 0 < a4 + 86) && 2 == a2)) || ((((a4 + 42 <= 0 && a0 + 147 <= 0) && 0 < a4 + 86) && a2 == 4) && 0 <= a29 + 127)) || ((((((((0 <= a0 + 60 && a4 + 42 <= 0) && 3 == a2) && a29 <= 4455) && 0 <= a29 + 127) || ((3 == a2 && a4 + 89 <= 0) && 0 <= a29 + 127)) || (((0 <= a0 + 60 && 3 == a2) && 0 <= a29 + 127) && a4 + 86 <= 0)) || (((3 == a2 && a29 <= 4455) && 0 <= a29 + 127) && a4 + 86 <= 0)) && a0 + 98 <= 0)) || ((((0 <= a0 + 60 && a29 < 43) && a2 == 4) && a4 + 86 <= 0) && 0 <= a29 + 14)) || ((((a4 + 42 <= 0 && 44 <= a29) && 0 < a4 + 86) && a2 == 4) && a0 + 98 <= 0)) || ((((a4 + 42 <= 0 && 44 <= a29) && 0 < a4 + 86) && a0 + 98 <= 0) && 5 <= a2)) || (((a2 == 1 && 0 <= a0 + 97) && a29 <= 41) && a4 + 86 <= 0)) || (((((a4 + 42 <= 0 && 0 < a4 + 86) && a29 <= 41) && 2 == a2) && a0 + 98 <= 0) && 0 <= a29 + 14)) || (((a4 + 42 <= 0 && a0 + 147 <= 0) && 0 < a4 + 86) && 5 <= a2)) || ((a29 < 43 && a2 == 4) && a4 + 89 <= 0)) || (44 <= a29 && ((((0 <= a0 + 60 && 2 == a2) && 0 <= a29 + 127) && a4 + 86 <= 0) || (a4 + 89 <= 0 && 2 == a2)))) || ((((((((0 <= a0 + 60 && a4 + 42 <= 0) && 3 == a2) && a29 <= 4455) && 0 <= a29 + 127) || ((3 == a2 && a4 + 89 <= 0) && 0 <= a29 + 127)) || (((0 <= a0 + 60 && 3 == a2) && 0 <= a29 + 127) && a4 + 86 <= 0)) || (((3 == a2 && a29 <= 4455) && 0 <= a29 + 127) && a4 + 86 <= 0)) && 44 <= a29)) || ((a2 == 1 && a29 + 144 <= 0) && a4 + 86 <= 0)) || (((a4 + 42 <= 0 && a0 + 147 <= 0) && 44 <= a29) && 5 <= a2)) || ((a4 + 89 <= 0 && a0 + 98 <= 0) && 5 <= a2)) || (((((0 <= a0 + 60 && 0 <= a29 + 127) && a4 + 86 <= 0) || (a4 + 89 <= 0 && 0 <= a29 + 14)) && a29 <= 41) && 5 <= a2)) || ((a0 + 147 <= 0 && 3 == a2) && a4 + 86 <= 0)) || ((3 == a2 && a4 + 89 <= 0) && a29 + 144 <= 0)) || (((a4 + 42 <= 0 && a0 + 147 <= 0) && a2 == 1) && 44 <= a29)) || ((0 <= a0 + 97 && 3 == a2) && a4 + 89 <= 0)) || ((((((((0 <= a0 + 60 && a4 + 42 <= 0) && 3 == a2) && a29 <= 4455) && 0 <= a29 + 127) || ((3 == a2 && a4 + 89 <= 0) && 0 <= a29 + 127)) || (((0 <= a0 + 60 && 3 == a2) && 0 <= a29 + 127) && a4 + 86 <= 0)) || (((3 == a2 && a29 <= 4455) && 0 <= a29 + 127) && a4 + 86 <= 0)) && a29 <= 41) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((a4 + 42 <= 0 && a2 == 1) && 0 < a4 + 86) && 0 < a0 + 147) && a0 + 98 <= 0) || (((a4 + 42 <= 0 && a2 == 1) && 0 < a4 + 86) && a29 <= 41)) || (((44 <= a29 && 0 < a4 + 86) && 2 == a2) && a0 + 98 <= 0)) || ((a4 + 89 <= 0 && a0 + 98 <= 0) && 0 <= a29 + 14)) || (((((0 <= a0 + 60 && 44 <= a29) && 0 <= a29 + 127) && a4 + 86 <= 0) || (44 <= a29 && a4 + 89 <= 0)) && 5 <= a2)) || (((a4 + 42 <= 0 && 0 < a4 + 86) && 3 == a2) && a0 + 98 <= 0)) || ((a2 == 1 && a4 + 89 <= 0) && 0 <= a29 + 14)) || (a0 + 147 <= 0 && a4 + 89 <= 0)) || ((((a4 + 42 <= 0 && 0 < a4 + 86) && a29 <= 41) && a0 + 98 <= 0) && 5 <= a2)) || ((a0 + 147 <= 0 && a2 == 1) && a4 + 86 <= 0)) || (a29 < 43 && (((((0 <= a0 + 60 && a29 + 144 <= 0) && 2 == a2) && a4 + 86 <= 0) || (((0 <= a0 + 60 && 2 == a2) && 0 <= a29 + 127) && a4 + 86 <= 0)) || (a4 + 89 <= 0 && 2 == a2)))) || ((((a4 + 42 <= 0 && a0 + 147 <= 0) && 0 < a4 + 86) && a2 == 4) && a29 + 144 <= 0)) || (((a4 + 42 <= 0 && a0 + 147 <= 0) && 0 < a4 + 86) && 2 == a2)) || ((((a4 + 42 <= 0 && a0 + 147 <= 0) && 0 < a4 + 86) && a2 == 4) && 0 <= a29 + 127)) || ((((((((0 <= a0 + 60 && a4 + 42 <= 0) && 3 == a2) && a29 <= 4455) && 0 <= a29 + 127) || ((3 == a2 && a4 + 89 <= 0) && 0 <= a29 + 127)) || (((0 <= a0 + 60 && 3 == a2) && 0 <= a29 + 127) && a4 + 86 <= 0)) || (((3 == a2 && a29 <= 4455) && 0 <= a29 + 127) && a4 + 86 <= 0)) && a0 + 98 <= 0)) || ((((0 <= a0 + 60 && a29 < 43) && a2 == 4) && a4 + 86 <= 0) && 0 <= a29 + 14)) || ((((a4 + 42 <= 0 && 44 <= a29) && 0 < a4 + 86) && a2 == 4) && a0 + 98 <= 0)) || ((((a4 + 42 <= 0 && 44 <= a29) && 0 < a4 + 86) && a0 + 98 <= 0) && 5 <= a2)) || (((a2 == 1 && 0 <= a0 + 97) && a29 <= 41) && a4 + 86 <= 0)) || (((((a4 + 42 <= 0 && 0 < a4 + 86) && a29 <= 41) && 2 == a2) && a0 + 98 <= 0) && 0 <= a29 + 14)) || ((a29 < 43 && a2 == 4) && a4 + 89 <= 0)) || (44 <= a29 && ((((0 <= a0 + 60 && 2 == a2) && 0 <= a29 + 127) && a4 + 86 <= 0) || (a4 + 89 <= 0 && 2 == a2)))) || ((((a4 + 42 <= 0 && a0 + 147 <= 0) && 44 <= a29) && 0 <= a29 + 127) && 5 <= a2)) || ((a4 + 42 <= 0 && a0 + 147 <= 0) && 3 == a2)) || ((((((((0 <= a0 + 60 && a4 + 42 <= 0) && 3 == a2) && a29 <= 4455) && 0 <= a29 + 127) || ((3 == a2 && a4 + 89 <= 0) && 0 <= a29 + 127)) || (((0 <= a0 + 60 && 3 == a2) && 0 <= a29 + 127) && a4 + 86 <= 0)) || (((3 == a2 && a29 <= 4455) && 0 <= a29 + 127) && a4 + 86 <= 0)) && 44 <= a29)) || ((a2 == 1 && a29 + 144 <= 0) && a4 + 86 <= 0)) || ((a4 + 89 <= 0 && a0 + 98 <= 0) && 5 <= a2)) || (((((0 <= a0 + 60 && 0 <= a29 + 127) && a4 + 86 <= 0) || (a4 + 89 <= 0 && 0 <= a29 + 14)) && a29 <= 41) && 5 <= a2)) || (((a4 + 42 <= 0 && a0 + 147 <= 0) && a2 == 1) && 44 <= a29)) || ((0 <= a0 + 97 && 3 == a2) && a4 + 89 <= 0)) || ((3 == a2 && a4 + 89 <= 0) && a29 + 144 <= 0)) || ((((((((0 <= a0 + 60 && a4 + 42 <= 0) && 3 == a2) && a29 <= 4455) && 0 <= a29 + 127) || ((3 == a2 && a4 + 89 <= 0) && 0 <= a29 + 127)) || (((0 <= a0 + 60 && 3 == a2) && 0 <= a29 + 127) && a4 + 86 <= 0)) || (((3 == a2 && a29 <= 4455) && 0 <= a29 + 127) && a4 + 86 <= 0)) && a29 <= 41)) || ((((a4 + 42 <= 0 && a0 + 147 <= 0) && 0 < a4 + 86) && 0 <= a29 + 127) && 5 <= a2) - InvariantResult [Line: 1770]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 425 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 159.0s, OverallIterations: 28, TraceHistogramMax: 6, AutomataDifference: 127.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 27.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 8853 SDtfs, 12788 SDslu, 1287 SDs, 0 SdLazy, 37193 SolverSat, 6844 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 80.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2683 GetRequests, 2616 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29747occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 6.2s AutomataMinimizationTime, 28 MinimizatonAttempts, 52966 StatesRemovedByMinimization, 24 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 293 NumberOfFragments, 2575 HoareAnnotationTreeSize, 4 FomulaSimplifications, 260939 FormulaSimplificationTreeSizeReduction, 3.7s HoareSimplificationTime, 4 FomulaSimplificationsInter, 62105 FormulaSimplificationTreeSizeReductionInter, 23.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 10.3s InterpolantComputationTime, 15536 NumberOfCodeBlocks, 15536 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 15504 ConstructedInterpolants, 107 QuantifiedInterpolants, 28196177 SizeOfPredicates, 2 NumberOfNonLiveVariables, 3147 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 32 InterpolantComputations, 26 PerfectInterpolantSequences, 13168/14376 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...