./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem04_label50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b34bd9c8-d40f-46f1-b031-af9f72496a05/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b34bd9c8-d40f-46f1-b031-af9f72496a05/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b34bd9c8-d40f-46f1-b031-af9f72496a05/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b34bd9c8-d40f-46f1-b031-af9f72496a05/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem04_label50.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b34bd9c8-d40f-46f1-b031-af9f72496a05/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b34bd9c8-d40f-46f1-b031-af9f72496a05/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 49d9fa7c98f534b455a45b36a7c5b43bec0b260c ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 20:44:55,574 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 20:44:55,575 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 20:44:55,603 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 20:44:55,617 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 20:44:55,618 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 20:44:55,619 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 20:44:55,622 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 20:44:55,624 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 20:44:55,624 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 20:44:55,625 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 20:44:55,626 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 20:44:55,626 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 20:44:55,627 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 20:44:55,628 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 20:44:55,629 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 20:44:55,630 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 20:44:55,631 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 20:44:55,632 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 20:44:55,634 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 20:44:55,635 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 20:44:55,636 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 20:44:55,637 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 20:44:55,638 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 20:44:55,640 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 20:44:55,641 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 20:44:55,641 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 20:44:55,642 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 20:44:55,642 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 20:44:55,643 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 20:44:55,643 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 20:44:55,644 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 20:44:55,645 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 20:44:55,645 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 20:44:55,646 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 20:44:55,646 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 20:44:55,647 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 20:44:55,647 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 20:44:55,647 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 20:44:55,648 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 20:44:55,648 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 20:44:55,649 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b34bd9c8-d40f-46f1-b031-af9f72496a05/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 20:44:55,665 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 20:44:55,665 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 20:44:55,666 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 20:44:55,666 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 20:44:55,666 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 20:44:55,666 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 20:44:55,666 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 20:44:55,666 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 20:44:55,667 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 20:44:55,667 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 20:44:55,667 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 20:44:55,667 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 20:44:55,667 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 20:44:55,667 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 20:44:55,667 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 20:44:55,668 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 20:44:55,668 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 20:44:55,668 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 20:44:55,668 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 20:44:55,668 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 20:44:55,668 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 20:44:55,668 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 20:44:55,669 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 20:44:55,669 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 20:44:55,669 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 20:44:55,669 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 20:44:55,669 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 20:44:55,669 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 20:44:55,669 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 20:44:55,670 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 20:44:55,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 20:44:55,670 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 20:44:55,670 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 20:44:55,670 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 20:44:55,670 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 20:44:55,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 20:44:55,670 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 20:44:55,671 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 20:44:55,671 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 20:44:55,671 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_b34bd9c8-d40f-46f1-b031-af9f72496a05/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b34bd9c8-d40f-46f1-b031-af9f72496a05/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 49d9fa7c98f534b455a45b36a7c5b43bec0b260c [2020-12-09 20:44:55,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 20:44:55,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 20:44:55,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 20:44:55,863 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 20:44:55,863 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 20:44:55,864 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b34bd9c8-d40f-46f1-b031-af9f72496a05/bin/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem04_label50.c [2020-12-09 20:44:55,904 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b34bd9c8-d40f-46f1-b031-af9f72496a05/bin/utaipan/data/b73772f4e/ccce5c955fb044c0ac4555fd0e6b81b8/FLAGf88eb3b9d [2020-12-09 20:44:56,507 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 20:44:56,508 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b34bd9c8-d40f-46f1-b031-af9f72496a05/sv-benchmarks/c/eca-rers2012/Problem04_label50.c [2020-12-09 20:44:56,528 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b34bd9c8-d40f-46f1-b031-af9f72496a05/bin/utaipan/data/b73772f4e/ccce5c955fb044c0ac4555fd0e6b81b8/FLAGf88eb3b9d [2020-12-09 20:44:56,958 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b34bd9c8-d40f-46f1-b031-af9f72496a05/bin/utaipan/data/b73772f4e/ccce5c955fb044c0ac4555fd0e6b81b8 [2020-12-09 20:44:56,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 20:44:56,967 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 20:44:56,970 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 20:44:56,970 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 20:44:56,975 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 20:44:56,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:44:56" (1/1) ... [2020-12-09 20:44:56,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14184ec1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:44:56, skipping insertion in model container [2020-12-09 20:44:56,978 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:44:56" (1/1) ... [2020-12-09 20:44:56,984 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 20:44:57,067 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 20:44:57,894 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_b34bd9c8-d40f-46f1-b031-af9f72496a05/sv-benchmarks/c/eca-rers2012/Problem04_label50.c[184552,184565] [2020-12-09 20:44:57,906 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 20:44:57,914 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 20:44:58,356 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_b34bd9c8-d40f-46f1-b031-af9f72496a05/sv-benchmarks/c/eca-rers2012/Problem04_label50.c[184552,184565] [2020-12-09 20:44:58,358 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 20:44:58,379 INFO L208 MainTranslator]: Completed translation [2020-12-09 20:44:58,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:44:58 WrapperNode [2020-12-09 20:44:58,379 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 20:44:58,380 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 20:44:58,380 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 20:44:58,380 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 20:44:58,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:44:58" (1/1) ... [2020-12-09 20:44:58,428 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:44:58" (1/1) ... [2020-12-09 20:44:58,577 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 20:44:58,578 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 20:44:58,578 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 20:44:58,578 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 20:44:58,585 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:44:58" (1/1) ... [2020-12-09 20:44:58,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:44:58" (1/1) ... [2020-12-09 20:44:58,600 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:44:58" (1/1) ... [2020-12-09 20:44:58,600 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:44:58" (1/1) ... [2020-12-09 20:44:58,644 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:44:58" (1/1) ... [2020-12-09 20:44:58,665 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:44:58" (1/1) ... [2020-12-09 20:44:58,681 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:44:58" (1/1) ... [2020-12-09 20:44:58,701 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 20:44:58,701 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 20:44:58,701 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 20:44:58,702 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 20:44:58,702 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:44:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34bd9c8-d40f-46f1-b031-af9f72496a05/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 20:44:58,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 20:44:58,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 20:44:58,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 20:44:58,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 20:45:01,815 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 20:45:01,815 INFO L299 CfgBuilder]: Removed 13 assume(true) statements. [2020-12-09 20:45:01,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:45:01 BoogieIcfgContainer [2020-12-09 20:45:01,818 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 20:45:01,820 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 20:45:01,820 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 20:45:01,823 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 20:45:01,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 08:44:56" (1/3) ... [2020-12-09 20:45:01,824 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68b91f5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:45:01, skipping insertion in model container [2020-12-09 20:45:01,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:44:58" (2/3) ... [2020-12-09 20:45:01,824 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68b91f5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:45:01, skipping insertion in model container [2020-12-09 20:45:01,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:45:01" (3/3) ... [2020-12-09 20:45:01,826 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem04_label50.c [2020-12-09 20:45:01,839 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 20:45:01,843 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 20:45:01,850 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 20:45:01,873 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 20:45:01,873 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 20:45:01,873 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 20:45:01,874 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 20:45:01,874 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 20:45:01,874 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 20:45:01,874 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 20:45:01,874 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 20:45:01,899 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states. [2020-12-09 20:45:01,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 756 [2020-12-09 20:45:01,936 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:45:01,937 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 20:45:01,938 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:45:01,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:45:01,942 INFO L82 PathProgramCache]: Analyzing trace with hash -1870331331, now seen corresponding path program 1 times [2020-12-09 20:45:01,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 20:45:01,950 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657384780] [2020-12-09 20:45:01,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 20:45:02,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:45:03,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 20:45:03,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657384780] [2020-12-09 20:45:03,291 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 20:45:03,291 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 20:45:03,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263376632] [2020-12-09 20:45:03,296 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 20:45:03,296 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 20:45:03,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 20:45:03,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:45:03,306 INFO L87 Difference]: Start difference. First operand 763 states. Second operand 3 states. [2020-12-09 20:45:05,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:45:05,847 INFO L93 Difference]: Finished difference Result 2285 states and 4541 transitions. [2020-12-09 20:45:05,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 20:45:05,848 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 755 [2020-12-09 20:45:05,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:45:05,872 INFO L225 Difference]: With dead ends: 2285 [2020-12-09 20:45:05,872 INFO L226 Difference]: Without dead ends: 1519 [2020-12-09 20:45:05,877 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:45:05,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1519 states. [2020-12-09 20:45:05,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1519 to 1519. [2020-12-09 20:45:05,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1519 states. [2020-12-09 20:45:05,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 1519 states and 2563 transitions. [2020-12-09 20:45:05,963 INFO L78 Accepts]: Start accepts. Automaton has 1519 states and 2563 transitions. Word has length 755 [2020-12-09 20:45:05,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:45:05,966 INFO L481 AbstractCegarLoop]: Abstraction has 1519 states and 2563 transitions. [2020-12-09 20:45:05,966 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 20:45:05,966 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 2563 transitions. [2020-12-09 20:45:05,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 767 [2020-12-09 20:45:05,988 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:45:05,989 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 20:45:05,989 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 20:45:05,990 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:45:05,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:45:05,991 INFO L82 PathProgramCache]: Analyzing trace with hash 1942127172, now seen corresponding path program 1 times [2020-12-09 20:45:05,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 20:45:05,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701813504] [2020-12-09 20:45:05,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 20:45:06,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:45:06,465 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 20:45:06,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701813504] [2020-12-09 20:45:06,465 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 20:45:06,465 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 20:45:06,466 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099262860] [2020-12-09 20:45:06,468 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 20:45:06,468 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 20:45:06,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 20:45:06,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:45:06,469 INFO L87 Difference]: Start difference. First operand 1519 states and 2563 transitions. Second operand 3 states. [2020-12-09 20:45:09,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:45:09,253 INFO L93 Difference]: Finished difference Result 4553 states and 7686 transitions. [2020-12-09 20:45:09,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 20:45:09,253 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 766 [2020-12-09 20:45:09,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:45:09,265 INFO L225 Difference]: With dead ends: 4553 [2020-12-09 20:45:09,265 INFO L226 Difference]: Without dead ends: 3035 [2020-12-09 20:45:09,267 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:45:09,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3035 states. [2020-12-09 20:45:09,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3035 to 3035. [2020-12-09 20:45:09,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3035 states. [2020-12-09 20:45:09,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3035 states to 3035 states and 4865 transitions. [2020-12-09 20:45:09,310 INFO L78 Accepts]: Start accepts. Automaton has 3035 states and 4865 transitions. Word has length 766 [2020-12-09 20:45:09,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:45:09,310 INFO L481 AbstractCegarLoop]: Abstraction has 3035 states and 4865 transitions. [2020-12-09 20:45:09,310 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 20:45:09,310 INFO L276 IsEmpty]: Start isEmpty. Operand 3035 states and 4865 transitions. [2020-12-09 20:45:09,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 806 [2020-12-09 20:45:09,319 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:45:09,319 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 20:45:09,319 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-09 20:45:09,319 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:45:09,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:45:09,320 INFO L82 PathProgramCache]: Analyzing trace with hash -910317489, now seen corresponding path program 1 times [2020-12-09 20:45:09,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 20:45:09,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596903291] [2020-12-09 20:45:09,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 20:45:09,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:45:09,811 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-12-09 20:45:09,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596903291] [2020-12-09 20:45:09,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 20:45:09,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 20:45:09,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239973454] [2020-12-09 20:45:09,812 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 20:45:09,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 20:45:09,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 20:45:09,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:45:09,813 INFO L87 Difference]: Start difference. First operand 3035 states and 4865 transitions. Second operand 3 states. [2020-12-09 20:45:12,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:45:12,412 INFO L93 Difference]: Finished difference Result 9101 states and 14592 transitions. [2020-12-09 20:45:12,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 20:45:12,412 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 805 [2020-12-09 20:45:12,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:45:12,434 INFO L225 Difference]: With dead ends: 9101 [2020-12-09 20:45:12,434 INFO L226 Difference]: Without dead ends: 6067 [2020-12-09 20:45:12,438 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:45:12,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6067 states. [2020-12-09 20:45:12,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6067 to 6067. [2020-12-09 20:45:12,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6067 states. [2020-12-09 20:45:12,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6067 states to 6067 states and 9193 transitions. [2020-12-09 20:45:12,526 INFO L78 Accepts]: Start accepts. Automaton has 6067 states and 9193 transitions. Word has length 805 [2020-12-09 20:45:12,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:45:12,526 INFO L481 AbstractCegarLoop]: Abstraction has 6067 states and 9193 transitions. [2020-12-09 20:45:12,526 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 20:45:12,526 INFO L276 IsEmpty]: Start isEmpty. Operand 6067 states and 9193 transitions. [2020-12-09 20:45:12,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 860 [2020-12-09 20:45:12,538 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:45:12,539 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 20:45:12,539 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-09 20:45:12,539 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:45:12,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:45:12,540 INFO L82 PathProgramCache]: Analyzing trace with hash -917731163, now seen corresponding path program 1 times [2020-12-09 20:45:12,540 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 20:45:12,540 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890893761] [2020-12-09 20:45:12,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 20:45:12,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:45:13,100 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-12-09 20:45:13,100 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890893761] [2020-12-09 20:45:13,101 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 20:45:13,101 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 20:45:13,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540421474] [2020-12-09 20:45:13,102 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 20:45:13,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 20:45:13,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 20:45:13,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:45:13,102 INFO L87 Difference]: Start difference. First operand 6067 states and 9193 transitions. Second operand 3 states. [2020-12-09 20:45:15,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:45:15,690 INFO L93 Difference]: Finished difference Result 18197 states and 27576 transitions. [2020-12-09 20:45:15,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 20:45:15,691 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 859 [2020-12-09 20:45:15,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:45:15,731 INFO L225 Difference]: With dead ends: 18197 [2020-12-09 20:45:15,731 INFO L226 Difference]: Without dead ends: 12131 [2020-12-09 20:45:15,736 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:45:15,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12131 states. [2020-12-09 20:45:15,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12131 to 12131. [2020-12-09 20:45:15,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12131 states. [2020-12-09 20:45:15,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12131 states to 12131 states and 16530 transitions. [2020-12-09 20:45:15,877 INFO L78 Accepts]: Start accepts. Automaton has 12131 states and 16530 transitions. Word has length 859 [2020-12-09 20:45:15,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:45:15,877 INFO L481 AbstractCegarLoop]: Abstraction has 12131 states and 16530 transitions. [2020-12-09 20:45:15,877 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 20:45:15,877 INFO L276 IsEmpty]: Start isEmpty. Operand 12131 states and 16530 transitions. [2020-12-09 20:45:15,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 944 [2020-12-09 20:45:15,895 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:45:15,895 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 20:45:15,896 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-09 20:45:15,896 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:45:15,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:45:15,896 INFO L82 PathProgramCache]: Analyzing trace with hash 1991444806, now seen corresponding path program 1 times [2020-12-09 20:45:15,896 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 20:45:15,896 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338220688] [2020-12-09 20:45:15,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 20:45:15,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:45:16,465 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2020-12-09 20:45:16,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338220688] [2020-12-09 20:45:16,466 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 20:45:16,466 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 20:45:16,466 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480340435] [2020-12-09 20:45:16,467 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 20:45:16,467 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 20:45:16,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 20:45:16,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:45:16,467 INFO L87 Difference]: Start difference. First operand 12131 states and 16530 transitions. Second operand 3 states. [2020-12-09 20:45:19,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:45:19,240 INFO L93 Difference]: Finished difference Result 36389 states and 49587 transitions. [2020-12-09 20:45:19,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 20:45:19,240 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 943 [2020-12-09 20:45:19,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:45:19,281 INFO L225 Difference]: With dead ends: 36389 [2020-12-09 20:45:19,281 INFO L226 Difference]: Without dead ends: 24259 [2020-12-09 20:45:19,291 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:45:19,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24259 states. [2020-12-09 20:45:19,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24259 to 22743. [2020-12-09 20:45:19,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22743 states. [2020-12-09 20:45:19,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22743 states to 22743 states and 29502 transitions. [2020-12-09 20:45:19,512 INFO L78 Accepts]: Start accepts. Automaton has 22743 states and 29502 transitions. Word has length 943 [2020-12-09 20:45:19,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:45:19,512 INFO L481 AbstractCegarLoop]: Abstraction has 22743 states and 29502 transitions. [2020-12-09 20:45:19,512 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 20:45:19,512 INFO L276 IsEmpty]: Start isEmpty. Operand 22743 states and 29502 transitions. [2020-12-09 20:45:19,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1052 [2020-12-09 20:45:19,557 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:45:19,558 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 20:45:19,558 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-09 20:45:19,558 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:45:19,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:45:19,559 INFO L82 PathProgramCache]: Analyzing trace with hash -2125294782, now seen corresponding path program 1 times [2020-12-09 20:45:19,559 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 20:45:19,559 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988396785] [2020-12-09 20:45:19,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 20:45:19,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:45:20,577 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 293 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-12-09 20:45:20,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988396785] [2020-12-09 20:45:20,578 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 20:45:20,578 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 20:45:20,578 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710584475] [2020-12-09 20:45:20,579 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 20:45:20,579 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 20:45:20,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 20:45:20,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:45:20,579 INFO L87 Difference]: Start difference. First operand 22743 states and 29502 transitions. Second operand 3 states. [2020-12-09 20:45:23,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:45:23,311 INFO L93 Difference]: Finished difference Result 56855 states and 73109 transitions. [2020-12-09 20:45:23,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 20:45:23,312 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1051 [2020-12-09 20:45:23,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:45:23,356 INFO L225 Difference]: With dead ends: 56855 [2020-12-09 20:45:23,356 INFO L226 Difference]: Without dead ends: 34113 [2020-12-09 20:45:23,373 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:45:23,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34113 states. [2020-12-09 20:45:23,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34113 to 34113. [2020-12-09 20:45:23,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34113 states. [2020-12-09 20:45:23,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34113 states to 34113 states and 42918 transitions. [2020-12-09 20:45:23,658 INFO L78 Accepts]: Start accepts. Automaton has 34113 states and 42918 transitions. Word has length 1051 [2020-12-09 20:45:23,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:45:23,658 INFO L481 AbstractCegarLoop]: Abstraction has 34113 states and 42918 transitions. [2020-12-09 20:45:23,658 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 20:45:23,658 INFO L276 IsEmpty]: Start isEmpty. Operand 34113 states and 42918 transitions. [2020-12-09 20:45:23,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1074 [2020-12-09 20:45:23,688 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:45:23,689 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 20:45:23,689 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-09 20:45:23,689 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:45:23,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:45:23,690 INFO L82 PathProgramCache]: Analyzing trace with hash 144413327, now seen corresponding path program 1 times [2020-12-09 20:45:23,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 20:45:23,690 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187161260] [2020-12-09 20:45:23,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 20:45:23,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:45:29,447 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 133 proven. 295 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 20:45:29,447 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187161260] [2020-12-09 20:45:29,448 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1625238661] [2020-12-09 20:45:29,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34bd9c8-d40f-46f1-b031-af9f72496a05/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 20:45:29,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:45:29,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 1342 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 20:45:29,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 20:45:31,277 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2020-12-09 20:45:31,277 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 20:45:32,692 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2020-12-09 20:45:32,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2020-12-09 20:45:32,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [6] total 7 [2020-12-09 20:45:32,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893533287] [2020-12-09 20:45:32,696 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 20:45:32,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 20:45:32,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 20:45:32,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-12-09 20:45:32,696 INFO L87 Difference]: Start difference. First operand 34113 states and 42918 transitions. Second operand 3 states. [2020-12-09 20:45:35,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:45:35,349 INFO L93 Difference]: Finished difference Result 83385 states and 103949 transitions. [2020-12-09 20:45:35,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 20:45:35,349 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1073 [2020-12-09 20:45:35,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:45:35,413 INFO L225 Difference]: With dead ends: 83385 [2020-12-09 20:45:35,413 INFO L226 Difference]: Without dead ends: 49273 [2020-12-09 20:45:35,432 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2150 GetRequests, 2143 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-12-09 20:45:35,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49273 states. [2020-12-09 20:45:35,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49273 to 43967. [2020-12-09 20:45:35,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43967 states. [2020-12-09 20:45:35,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43967 states to 43967 states and 53730 transitions. [2020-12-09 20:45:35,792 INFO L78 Accepts]: Start accepts. Automaton has 43967 states and 53730 transitions. Word has length 1073 [2020-12-09 20:45:35,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:45:35,792 INFO L481 AbstractCegarLoop]: Abstraction has 43967 states and 53730 transitions. [2020-12-09 20:45:35,792 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 20:45:35,792 INFO L276 IsEmpty]: Start isEmpty. Operand 43967 states and 53730 transitions. [2020-12-09 20:45:35,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1208 [2020-12-09 20:45:35,822 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:45:35,823 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 20:45:36,024 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-12-09 20:45:36,025 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:45:36,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:45:36,027 INFO L82 PathProgramCache]: Analyzing trace with hash -410019058, now seen corresponding path program 1 times [2020-12-09 20:45:36,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 20:45:36,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952813925] [2020-12-09 20:45:36,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 20:45:36,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:45:37,004 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 384 proven. 0 refuted. 0 times theorem prover too weak. 696 trivial. 0 not checked. [2020-12-09 20:45:37,004 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952813925] [2020-12-09 20:45:37,004 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 20:45:37,005 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 20:45:37,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498296282] [2020-12-09 20:45:37,006 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 20:45:37,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 20:45:37,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 20:45:37,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:45:37,006 INFO L87 Difference]: Start difference. First operand 43967 states and 53730 transitions. Second operand 3 states. [2020-12-09 20:45:40,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:45:40,084 INFO L93 Difference]: Finished difference Result 112189 states and 137249 transitions. [2020-12-09 20:45:40,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 20:45:40,085 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1207 [2020-12-09 20:45:40,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:45:40,163 INFO L225 Difference]: With dead ends: 112189 [2020-12-09 20:45:40,163 INFO L226 Difference]: Without dead ends: 68223 [2020-12-09 20:45:40,187 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:45:40,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68223 states. [2020-12-09 20:45:40,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68223 to 66707. [2020-12-09 20:45:40,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66707 states. [2020-12-09 20:45:40,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66707 states to 66707 states and 80456 transitions. [2020-12-09 20:45:40,741 INFO L78 Accepts]: Start accepts. Automaton has 66707 states and 80456 transitions. Word has length 1207 [2020-12-09 20:45:40,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:45:40,742 INFO L481 AbstractCegarLoop]: Abstraction has 66707 states and 80456 transitions. [2020-12-09 20:45:40,742 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 20:45:40,742 INFO L276 IsEmpty]: Start isEmpty. Operand 66707 states and 80456 transitions. [2020-12-09 20:45:40,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1228 [2020-12-09 20:45:40,777 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:45:40,778 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 20:45:40,778 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-09 20:45:40,779 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:45:40,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:45:40,779 INFO L82 PathProgramCache]: Analyzing trace with hash -1126841530, now seen corresponding path program 1 times [2020-12-09 20:45:40,779 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 20:45:40,779 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831525914] [2020-12-09 20:45:40,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 20:45:40,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:45:42,249 INFO L134 CoverageAnalysis]: Checked inductivity of 719 backedges. 467 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2020-12-09 20:45:42,249 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831525914] [2020-12-09 20:45:42,249 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 20:45:42,250 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-09 20:45:42,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037135912] [2020-12-09 20:45:42,251 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 20:45:42,251 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 20:45:42,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 20:45:42,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-09 20:45:42,251 INFO L87 Difference]: Start difference. First operand 66707 states and 80456 transitions. Second operand 5 states. [2020-12-09 20:45:46,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:45:46,219 INFO L93 Difference]: Finished difference Result 149107 states and 179467 transitions. [2020-12-09 20:45:46,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-09 20:45:46,220 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1227 [2020-12-09 20:45:46,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:45:46,290 INFO L225 Difference]: With dead ends: 149107 [2020-12-09 20:45:46,290 INFO L226 Difference]: Without dead ends: 82401 [2020-12-09 20:45:46,317 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-09 20:45:46,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82401 states. [2020-12-09 20:45:46,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82401 to 67465. [2020-12-09 20:45:46,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67465 states. [2020-12-09 20:45:46,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67465 states to 67465 states and 81220 transitions. [2020-12-09 20:45:46,986 INFO L78 Accepts]: Start accepts. Automaton has 67465 states and 81220 transitions. Word has length 1227 [2020-12-09 20:45:46,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:45:46,987 INFO L481 AbstractCegarLoop]: Abstraction has 67465 states and 81220 transitions. [2020-12-09 20:45:46,987 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 20:45:46,987 INFO L276 IsEmpty]: Start isEmpty. Operand 67465 states and 81220 transitions. [2020-12-09 20:45:47,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1243 [2020-12-09 20:45:47,098 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:45:47,099 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 20:45:47,099 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-09 20:45:47,099 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:45:47,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:45:47,100 INFO L82 PathProgramCache]: Analyzing trace with hash 735727555, now seen corresponding path program 1 times [2020-12-09 20:45:47,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 20:45:47,100 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343318021] [2020-12-09 20:45:47,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 20:45:47,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:45:49,773 INFO L134 CoverageAnalysis]: Checked inductivity of 793 backedges. 541 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2020-12-09 20:45:49,773 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343318021] [2020-12-09 20:45:49,773 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 20:45:49,774 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-09 20:45:49,774 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380431909] [2020-12-09 20:45:49,775 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 20:45:49,775 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 20:45:49,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 20:45:49,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-09 20:45:49,775 INFO L87 Difference]: Start difference. First operand 67465 states and 81220 transitions. Second operand 6 states. [2020-12-09 20:45:56,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:45:56,095 INFO L93 Difference]: Finished difference Result 152364 states and 182852 transitions. [2020-12-09 20:45:56,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-09 20:45:56,096 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 1242 [2020-12-09 20:45:56,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:45:56,171 INFO L225 Difference]: With dead ends: 152364 [2020-12-09 20:45:56,171 INFO L226 Difference]: Without dead ends: 85658 [2020-12-09 20:45:56,189 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-12-09 20:45:56,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85658 states. [2020-12-09 20:45:56,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85658 to 70497. [2020-12-09 20:45:56,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70497 states. [2020-12-09 20:45:56,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70497 states to 70497 states and 84324 transitions. [2020-12-09 20:45:56,873 INFO L78 Accepts]: Start accepts. Automaton has 70497 states and 84324 transitions. Word has length 1242 [2020-12-09 20:45:56,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:45:56,873 INFO L481 AbstractCegarLoop]: Abstraction has 70497 states and 84324 transitions. [2020-12-09 20:45:56,873 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 20:45:56,873 INFO L276 IsEmpty]: Start isEmpty. Operand 70497 states and 84324 transitions. [2020-12-09 20:45:56,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1250 [2020-12-09 20:45:56,909 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:45:56,910 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 20:45:56,910 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-09 20:45:56,910 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:45:56,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:45:56,911 INFO L82 PathProgramCache]: Analyzing trace with hash 1262896275, now seen corresponding path program 1 times [2020-12-09 20:45:56,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 20:45:56,911 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945436066] [2020-12-09 20:45:56,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 20:45:56,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:45:57,999 INFO L134 CoverageAnalysis]: Checked inductivity of 828 backedges. 701 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2020-12-09 20:45:57,999 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945436066] [2020-12-09 20:45:57,999 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 20:45:57,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 20:45:57,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295031941] [2020-12-09 20:45:58,000 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 20:45:58,000 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 20:45:58,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 20:45:58,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:45:58,001 INFO L87 Difference]: Start difference. First operand 70497 states and 84324 transitions. Second operand 3 states. [2020-12-09 20:46:01,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:46:01,085 INFO L93 Difference]: Finished difference Result 156153 states and 187839 transitions. [2020-12-09 20:46:01,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 20:46:01,085 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1249 [2020-12-09 20:46:01,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:46:01,157 INFO L225 Difference]: With dead ends: 156153 [2020-12-09 20:46:01,157 INFO L226 Difference]: Without dead ends: 86415 [2020-12-09 20:46:01,185 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:46:01,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86415 states. [2020-12-09 20:46:01,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86415 to 81109. [2020-12-09 20:46:01,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81109 states. [2020-12-09 20:46:01,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81109 states to 81109 states and 94636 transitions. [2020-12-09 20:46:01,904 INFO L78 Accepts]: Start accepts. Automaton has 81109 states and 94636 transitions. Word has length 1249 [2020-12-09 20:46:01,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:46:01,904 INFO L481 AbstractCegarLoop]: Abstraction has 81109 states and 94636 transitions. [2020-12-09 20:46:01,904 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 20:46:01,904 INFO L276 IsEmpty]: Start isEmpty. Operand 81109 states and 94636 transitions. [2020-12-09 20:46:02,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1416 [2020-12-09 20:46:02,044 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:46:02,045 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-09 20:46:02,045 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-09 20:46:02,045 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:46:02,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:46:02,046 INFO L82 PathProgramCache]: Analyzing trace with hash -41791974, now seen corresponding path program 1 times [2020-12-09 20:46:02,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 20:46:02,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497216141] [2020-12-09 20:46:02,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 20:46:02,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:46:04,625 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 699 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-09 20:46:04,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497216141] [2020-12-09 20:46:04,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 20:46:04,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 20:46:04,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441716986] [2020-12-09 20:46:04,627 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 20:46:04,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 20:46:04,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 20:46:04,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 20:46:04,627 INFO L87 Difference]: Start difference. First operand 81109 states and 94636 transitions. Second operand 4 states. [2020-12-09 20:46:08,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:46:08,917 INFO L93 Difference]: Finished difference Result 164491 states and 191755 transitions. [2020-12-09 20:46:08,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 20:46:08,918 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1415 [2020-12-09 20:46:08,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:46:08,988 INFO L225 Difference]: With dead ends: 164491 [2020-12-09 20:46:08,989 INFO L226 Difference]: Without dead ends: 84141 [2020-12-09 20:46:09,019 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 [2020-12-09 20:46:09,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84141 states. [2020-12-09 20:46:09,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84141 to 84141. [2020-12-09 20:46:09,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84141 states. [2020-12-09 20:46:09,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84141 states to 84141 states and 97776 transitions. [2020-12-09 20:46:09,749 INFO L78 Accepts]: Start accepts. Automaton has 84141 states and 97776 transitions. Word has length 1415 [2020-12-09 20:46:09,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:46:09,750 INFO L481 AbstractCegarLoop]: Abstraction has 84141 states and 97776 transitions. [2020-12-09 20:46:09,750 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 20:46:09,750 INFO L276 IsEmpty]: Start isEmpty. Operand 84141 states and 97776 transitions. [2020-12-09 20:46:09,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1530 [2020-12-09 20:46:09,808 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:46:09,809 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-09 20:46:09,809 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-09 20:46:09,809 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:46:09,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:46:09,810 INFO L82 PathProgramCache]: Analyzing trace with hash -1456830300, now seen corresponding path program 1 times [2020-12-09 20:46:09,810 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 20:46:09,810 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159819833] [2020-12-09 20:46:09,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 20:46:09,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:46:12,601 INFO L134 CoverageAnalysis]: Checked inductivity of 982 backedges. 944 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-09 20:46:12,601 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159819833] [2020-12-09 20:46:12,601 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 20:46:12,601 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 20:46:12,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185630275] [2020-12-09 20:46:12,602 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 20:46:12,602 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 20:46:12,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 20:46:12,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 20:46:12,603 INFO L87 Difference]: Start difference. First operand 84141 states and 97776 transitions. Second operand 4 states. [2020-12-09 20:46:16,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:46:16,625 INFO L93 Difference]: Finished difference Result 167523 states and 194787 transitions. [2020-12-09 20:46:16,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 20:46:16,626 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1529 [2020-12-09 20:46:16,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:46:16,701 INFO L225 Difference]: With dead ends: 167523 [2020-12-09 20:46:16,701 INFO L226 Difference]: Without dead ends: 84141 [2020-12-09 20:46:16,733 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 [2020-12-09 20:46:16,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84141 states. [2020-12-09 20:46:17,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84141 to 83383. [2020-12-09 20:46:17,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83383 states. [2020-12-09 20:46:17,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83383 states to 83383 states and 96111 transitions. [2020-12-09 20:46:17,447 INFO L78 Accepts]: Start accepts. Automaton has 83383 states and 96111 transitions. Word has length 1529 [2020-12-09 20:46:17,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:46:17,447 INFO L481 AbstractCegarLoop]: Abstraction has 83383 states and 96111 transitions. [2020-12-09 20:46:17,448 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 20:46:17,448 INFO L276 IsEmpty]: Start isEmpty. Operand 83383 states and 96111 transitions. [2020-12-09 20:46:17,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1560 [2020-12-09 20:46:17,505 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:46:17,506 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 20:46:17,506 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-09 20:46:17,506 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:46:17,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:46:17,507 INFO L82 PathProgramCache]: Analyzing trace with hash 1195351634, now seen corresponding path program 1 times [2020-12-09 20:46:17,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 20:46:17,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967732051] [2020-12-09 20:46:17,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 20:46:17,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:46:19,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1811 backedges. 1339 proven. 0 refuted. 0 times theorem prover too weak. 472 trivial. 0 not checked. [2020-12-09 20:46:19,377 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967732051] [2020-12-09 20:46:19,377 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 20:46:19,378 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 20:46:19,378 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235497258] [2020-12-09 20:46:19,379 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 20:46:19,379 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 20:46:19,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 20:46:19,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:46:19,379 INFO L87 Difference]: Start difference. First operand 83383 states and 96111 transitions. Second operand 3 states. [2020-12-09 20:46:22,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:46:22,898 INFO L93 Difference]: Finished difference Result 177377 states and 204537 transitions. [2020-12-09 20:46:22,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 20:46:22,899 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1559 [2020-12-09 20:46:22,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:46:22,983 INFO L225 Difference]: With dead ends: 177377 [2020-12-09 20:46:22,983 INFO L226 Difference]: Without dead ends: 94753 [2020-12-09 20:46:23,019 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:46:23,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94753 states. [2020-12-09 20:46:23,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94753 to 93995. [2020-12-09 20:46:23,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93995 states. [2020-12-09 20:46:23,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93995 states to 93995 states and 107016 transitions. [2020-12-09 20:46:23,838 INFO L78 Accepts]: Start accepts. Automaton has 93995 states and 107016 transitions. Word has length 1559 [2020-12-09 20:46:23,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:46:23,839 INFO L481 AbstractCegarLoop]: Abstraction has 93995 states and 107016 transitions. [2020-12-09 20:46:23,839 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 20:46:23,839 INFO L276 IsEmpty]: Start isEmpty. Operand 93995 states and 107016 transitions. [2020-12-09 20:46:23,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1907 [2020-12-09 20:46:23,912 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:46:23,913 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 20:46:23,913 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-09 20:46:23,913 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:46:23,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:46:23,914 INFO L82 PathProgramCache]: Analyzing trace with hash -1786637225, now seen corresponding path program 1 times [2020-12-09 20:46:23,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 20:46:23,914 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353726230] [2020-12-09 20:46:23,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 20:46:24,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:46:29,519 INFO L134 CoverageAnalysis]: Checked inductivity of 2326 backedges. 1645 proven. 569 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-12-09 20:46:29,519 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353726230] [2020-12-09 20:46:29,519 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1531286482] [2020-12-09 20:46:29,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34bd9c8-d40f-46f1-b031-af9f72496a05/bin/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 20:46:29,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:46:29,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 2296 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 20:46:29,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 20:46:33,439 INFO L134 CoverageAnalysis]: Checked inductivity of 2326 backedges. 1296 proven. 0 refuted. 0 times theorem prover too weak. 1030 trivial. 0 not checked. [2020-12-09 20:46:33,439 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 20:46:36,748 INFO L134 CoverageAnalysis]: Checked inductivity of 2326 backedges. 1296 proven. 0 refuted. 0 times theorem prover too weak. 1030 trivial. 0 not checked. [2020-12-09 20:46:36,748 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2020-12-09 20:46:36,749 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2020-12-09 20:46:36,749 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516081833] [2020-12-09 20:46:36,752 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 20:46:36,752 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 20:46:36,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 20:46:36,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-09 20:46:36,753 INFO L87 Difference]: Start difference. First operand 93995 states and 107016 transitions. Second operand 3 states. [2020-12-09 20:46:40,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:46:40,151 INFO L93 Difference]: Finished difference Result 187231 states and 213267 transitions. [2020-12-09 20:46:40,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 20:46:40,152 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1906 [2020-12-09 20:46:40,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:46:40,233 INFO L225 Difference]: With dead ends: 187231 [2020-12-09 20:46:40,233 INFO L226 Difference]: Without dead ends: 93995 [2020-12-09 20:46:40,268 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3817 GetRequests, 3811 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-09 20:46:40,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93995 states. [2020-12-09 20:46:40,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93995 to 93995. [2020-12-09 20:46:40,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93995 states. [2020-12-09 20:46:41,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93995 states to 93995 states and 102755 transitions. [2020-12-09 20:46:41,072 INFO L78 Accepts]: Start accepts. Automaton has 93995 states and 102755 transitions. Word has length 1906 [2020-12-09 20:46:41,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:46:41,074 INFO L481 AbstractCegarLoop]: Abstraction has 93995 states and 102755 transitions. [2020-12-09 20:46:41,074 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 20:46:41,074 INFO L276 IsEmpty]: Start isEmpty. Operand 93995 states and 102755 transitions. [2020-12-09 20:46:41,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2574 [2020-12-09 20:46:41,165 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:46:41,167 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-09 20:46:41,367 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-12-09 20:46:41,368 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:46:41,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:46:41,371 INFO L82 PathProgramCache]: Analyzing trace with hash -1156752285, now seen corresponding path program 1 times [2020-12-09 20:46:41,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 20:46:41,372 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240500321] [2020-12-09 20:46:41,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 20:46:41,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:46:45,262 INFO L134 CoverageAnalysis]: Checked inductivity of 4862 backedges. 1302 proven. 0 refuted. 0 times theorem prover too weak. 3560 trivial. 0 not checked. [2020-12-09 20:46:45,262 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240500321] [2020-12-09 20:46:45,262 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 20:46:45,263 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 20:46:45,263 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630036486] [2020-12-09 20:46:45,264 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 20:46:45,264 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 20:46:45,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 20:46:45,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:46:45,265 INFO L87 Difference]: Start difference. First operand 93995 states and 102755 transitions. Second operand 3 states. [2020-12-09 20:46:48,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:46:48,392 INFO L93 Difference]: Finished difference Result 187231 states and 204745 transitions. [2020-12-09 20:46:48,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 20:46:48,392 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2573 [2020-12-09 20:46:48,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:46:48,466 INFO L225 Difference]: With dead ends: 187231 [2020-12-09 20:46:48,466 INFO L226 Difference]: Without dead ends: 93995 [2020-12-09 20:46:48,503 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:46:48,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93995 states. [2020-12-09 20:46:49,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93995 to 93995. [2020-12-09 20:46:49,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93995 states. [2020-12-09 20:46:49,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93995 states to 93995 states and 102707 transitions. [2020-12-09 20:46:49,302 INFO L78 Accepts]: Start accepts. Automaton has 93995 states and 102707 transitions. Word has length 2573 [2020-12-09 20:46:49,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:46:49,303 INFO L481 AbstractCegarLoop]: Abstraction has 93995 states and 102707 transitions. [2020-12-09 20:46:49,303 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 20:46:49,303 INFO L276 IsEmpty]: Start isEmpty. Operand 93995 states and 102707 transitions. [2020-12-09 20:46:49,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2836 [2020-12-09 20:46:49,508 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:46:49,509 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 20:46:49,510 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-09 20:46:49,510 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:46:49,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:46:49,511 INFO L82 PathProgramCache]: Analyzing trace with hash -1310862757, now seen corresponding path program 1 times [2020-12-09 20:46:49,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 20:46:49,511 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181559494] [2020-12-09 20:46:49,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 20:46:49,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:46:54,330 INFO L134 CoverageAnalysis]: Checked inductivity of 6330 backedges. 1192 proven. 0 refuted. 0 times theorem prover too weak. 5138 trivial. 0 not checked. [2020-12-09 20:46:54,331 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181559494] [2020-12-09 20:46:54,331 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 20:46:54,331 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 20:46:54,331 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575330861] [2020-12-09 20:46:54,332 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 20:46:54,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 20:46:54,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 20:46:54,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 20:46:54,333 INFO L87 Difference]: Start difference. First operand 93995 states and 102707 transitions. Second operand 4 states. [2020-12-09 20:46:59,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:46:59,048 INFO L93 Difference]: Finished difference Result 187231 states and 204649 transitions. [2020-12-09 20:46:59,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 20:46:59,049 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 2835 [2020-12-09 20:46:59,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:46:59,124 INFO L225 Difference]: With dead ends: 187231 [2020-12-09 20:46:59,124 INFO L226 Difference]: Without dead ends: 93995 [2020-12-09 20:46:59,160 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 [2020-12-09 20:46:59,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93995 states. [2020-12-09 20:46:59,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93995 to 93995. [2020-12-09 20:46:59,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93995 states. [2020-12-09 20:46:59,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93995 states to 93995 states and 102623 transitions. [2020-12-09 20:46:59,968 INFO L78 Accepts]: Start accepts. Automaton has 93995 states and 102623 transitions. Word has length 2835 [2020-12-09 20:46:59,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:46:59,969 INFO L481 AbstractCegarLoop]: Abstraction has 93995 states and 102623 transitions. [2020-12-09 20:46:59,969 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 20:46:59,969 INFO L276 IsEmpty]: Start isEmpty. Operand 93995 states and 102623 transitions. [2020-12-09 20:47:00,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2848 [2020-12-09 20:47:00,068 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:47:00,069 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-09 20:47:00,069 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-09 20:47:00,069 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:47:00,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:47:00,070 INFO L82 PathProgramCache]: Analyzing trace with hash 986648324, now seen corresponding path program 1 times [2020-12-09 20:47:00,070 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 20:47:00,070 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491615756] [2020-12-09 20:47:00,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 20:47:00,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:47:04,521 INFO L134 CoverageAnalysis]: Checked inductivity of 6507 backedges. 1355 proven. 0 refuted. 0 times theorem prover too weak. 5152 trivial. 0 not checked. [2020-12-09 20:47:04,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491615756] [2020-12-09 20:47:04,522 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 20:47:04,522 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 20:47:04,522 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639833457] [2020-12-09 20:47:04,524 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 20:47:04,524 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 20:47:04,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 20:47:04,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:47:04,524 INFO L87 Difference]: Start difference. First operand 93995 states and 102623 transitions. Second operand 3 states. [2020-12-09 20:47:08,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:47:08,051 INFO L93 Difference]: Finished difference Result 211487 states and 230759 transitions. [2020-12-09 20:47:08,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 20:47:08,052 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2847 [2020-12-09 20:47:08,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:47:08,157 INFO L225 Difference]: With dead ends: 211487 [2020-12-09 20:47:08,157 INFO L226 Difference]: Without dead ends: 117493 [2020-12-09 20:47:08,200 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:47:08,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117493 states. [2020-12-09 20:47:09,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117493 to 109913. [2020-12-09 20:47:09,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109913 states. [2020-12-09 20:47:09,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109913 states to 109913 states and 119061 transitions. [2020-12-09 20:47:09,245 INFO L78 Accepts]: Start accepts. Automaton has 109913 states and 119061 transitions. Word has length 2847 [2020-12-09 20:47:09,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:47:09,246 INFO L481 AbstractCegarLoop]: Abstraction has 109913 states and 119061 transitions. [2020-12-09 20:47:09,246 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 20:47:09,246 INFO L276 IsEmpty]: Start isEmpty. Operand 109913 states and 119061 transitions. [2020-12-09 20:47:09,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3586 [2020-12-09 20:47:09,399 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:47:09,400 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 20:47:09,400 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-09 20:47:09,400 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:47:09,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:47:09,401 INFO L82 PathProgramCache]: Analyzing trace with hash -1813104853, now seen corresponding path program 1 times [2020-12-09 20:47:09,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 20:47:09,401 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944040213] [2020-12-09 20:47:09,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 20:47:09,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:47:20,520 INFO L134 CoverageAnalysis]: Checked inductivity of 9491 backedges. 3579 proven. 89 refuted. 0 times theorem prover too weak. 5823 trivial. 0 not checked. [2020-12-09 20:47:20,520 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944040213] [2020-12-09 20:47:20,520 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1769693209] [2020-12-09 20:47:20,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34bd9c8-d40f-46f1-b031-af9f72496a05/bin/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 20:47:21,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:47:21,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 4182 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 20:47:21,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 20:47:28,475 INFO L134 CoverageAnalysis]: Checked inductivity of 9491 backedges. 4111 proven. 0 refuted. 0 times theorem prover too weak. 5380 trivial. 0 not checked. [2020-12-09 20:47:28,476 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 20:47:35,875 INFO L134 CoverageAnalysis]: Checked inductivity of 9491 backedges. 4111 proven. 0 refuted. 0 times theorem prover too weak. 5380 trivial. 0 not checked. [2020-12-09 20:47:35,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2020-12-09 20:47:35,878 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 7 [2020-12-09 20:47:35,878 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469623921] [2020-12-09 20:47:35,881 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 20:47:35,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 20:47:35,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 20:47:35,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-09 20:47:35,881 INFO L87 Difference]: Start difference. First operand 109913 states and 119061 transitions. Second operand 3 states. [2020-12-09 20:47:39,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:47:39,232 INFO L93 Difference]: Finished difference Result 226647 states and 245219 transitions. [2020-12-09 20:47:39,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 20:47:39,233 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3585 [2020-12-09 20:47:39,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:47:39,329 INFO L225 Difference]: With dead ends: 226647 [2020-12-09 20:47:39,329 INFO L226 Difference]: Without dead ends: 104607 [2020-12-09 20:47:39,376 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7173 GetRequests, 7167 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-09 20:47:39,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104607 states. [2020-12-09 20:47:40,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104607 to 101575. [2020-12-09 20:47:40,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101575 states. [2020-12-09 20:47:40,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101575 states to 101575 states and 104054 transitions. [2020-12-09 20:47:40,313 INFO L78 Accepts]: Start accepts. Automaton has 101575 states and 104054 transitions. Word has length 3585 [2020-12-09 20:47:40,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:47:40,314 INFO L481 AbstractCegarLoop]: Abstraction has 101575 states and 104054 transitions. [2020-12-09 20:47:40,314 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 20:47:40,314 INFO L276 IsEmpty]: Start isEmpty. Operand 101575 states and 104054 transitions. [2020-12-09 20:47:40,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3768 [2020-12-09 20:47:40,468 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:47:40,469 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 20:47:40,670 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 20:47:40,670 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:47:40,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:47:40,674 INFO L82 PathProgramCache]: Analyzing trace with hash 1379776334, now seen corresponding path program 1 times [2020-12-09 20:47:40,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 20:47:40,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081299157] [2020-12-09 20:47:40,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 20:47:40,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:47:53,044 INFO L134 CoverageAnalysis]: Checked inductivity of 11117 backedges. 4051 proven. 89 refuted. 0 times theorem prover too weak. 6977 trivial. 0 not checked. [2020-12-09 20:47:53,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081299157] [2020-12-09 20:47:53,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [998530365] [2020-12-09 20:47:53,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34bd9c8-d40f-46f1-b031-af9f72496a05/bin/utaipan/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 [2020-12-09 20:47:53,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:47:53,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 4395 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 20:47:53,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 20:48:02,142 INFO L134 CoverageAnalysis]: Checked inductivity of 11117 backedges. 6411 proven. 0 refuted. 0 times theorem prover too weak. 4706 trivial. 0 not checked. [2020-12-09 20:48:02,142 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 20:48:10,505 INFO L134 CoverageAnalysis]: Checked inductivity of 11117 backedges. 6411 proven. 0 refuted. 0 times theorem prover too weak. 4706 trivial. 0 not checked. [2020-12-09 20:48:10,505 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2020-12-09 20:48:10,507 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 7 [2020-12-09 20:48:10,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967516709] [2020-12-09 20:48:10,510 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 20:48:10,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 20:48:10,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 20:48:10,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-09 20:48:10,511 INFO L87 Difference]: Start difference. First operand 101575 states and 104054 transitions. Second operand 3 states. [2020-12-09 20:48:12,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:48:12,940 INFO L93 Difference]: Finished difference Result 202391 states and 207345 transitions. [2020-12-09 20:48:12,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 20:48:12,940 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3767 [2020-12-09 20:48:12,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:48:13,023 INFO L225 Difference]: With dead ends: 202391 [2020-12-09 20:48:13,023 INFO L226 Difference]: Without dead ends: 101575 [2020-12-09 20:48:13,058 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7537 GetRequests, 7531 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-09 20:48:13,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101575 states. [2020-12-09 20:48:13,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101575 to 101575. [2020-12-09 20:48:13,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101575 states. [2020-12-09 20:48:13,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101575 states to 101575 states and 103777 transitions. [2020-12-09 20:48:13,957 INFO L78 Accepts]: Start accepts. Automaton has 101575 states and 103777 transitions. Word has length 3767 [2020-12-09 20:48:13,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:48:13,959 INFO L481 AbstractCegarLoop]: Abstraction has 101575 states and 103777 transitions. [2020-12-09 20:48:13,959 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 20:48:13,959 INFO L276 IsEmpty]: Start isEmpty. Operand 101575 states and 103777 transitions. [2020-12-09 20:48:14,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5469 [2020-12-09 20:48:14,187 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:48:14,189 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2020-12-09 20:48:14,390 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 20:48:14,391 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:48:14,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:48:14,396 INFO L82 PathProgramCache]: Analyzing trace with hash -1084893081, now seen corresponding path program 1 times [2020-12-09 20:48:14,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 20:48:14,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401889365] [2020-12-09 20:48:14,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 20:48:14,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:48:35,673 INFO L134 CoverageAnalysis]: Checked inductivity of 25900 backedges. 6602 proven. 89 refuted. 0 times theorem prover too weak. 19209 trivial. 0 not checked. [2020-12-09 20:48:35,673 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401889365] [2020-12-09 20:48:35,673 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1701709809] [2020-12-09 20:48:35,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34bd9c8-d40f-46f1-b031-af9f72496a05/bin/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 20:48:36,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:48:36,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 6287 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 20:48:36,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 20:48:52,276 INFO L134 CoverageAnalysis]: Checked inductivity of 25900 backedges. 11596 proven. 0 refuted. 0 times theorem prover too weak. 14304 trivial. 0 not checked. [2020-12-09 20:48:52,276 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 20:49:07,956 INFO L134 CoverageAnalysis]: Checked inductivity of 25900 backedges. 11596 proven. 0 refuted. 0 times theorem prover too weak. 14304 trivial. 0 not checked. [2020-12-09 20:49:07,956 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2020-12-09 20:49:07,959 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 8 [2020-12-09 20:49:07,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126715643] [2020-12-09 20:49:07,964 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 20:49:07,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 20:49:07,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 20:49:07,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-12-09 20:49:07,964 INFO L87 Difference]: Start difference. First operand 101575 states and 103777 transitions. Second operand 4 states. [2020-12-09 20:49:12,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:49:12,219 INFO L93 Difference]: Finished difference Result 206937 states and 211426 transitions. [2020-12-09 20:49:12,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 20:49:12,219 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5468 [2020-12-09 20:49:12,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:49:12,220 INFO L225 Difference]: With dead ends: 206937 [2020-12-09 20:49:12,220 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 20:49:12,265 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10939 GetRequests, 10933 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-12-09 20:49:12,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 20:49:12,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 20:49:12,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 20:49:12,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 20:49:12,266 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5468 [2020-12-09 20:49:12,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:49:12,267 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 20:49:12,267 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 20:49:12,267 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 20:49:12,267 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 20:49:12,468 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2020-12-09 20:49:12,473 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 20:49:13,606 WARN L197 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 743 DAG size of output: 202 [2020-12-09 20:49:14,642 WARN L197 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 740 DAG size of output: 202 [2020-12-09 20:49:15,002 WARN L197 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 189 [2020-12-09 20:49:15,141 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 133 [2020-12-09 20:49:15,279 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 133 [2020-12-09 20:49:16,576 WARN L197 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 178 DAG size of output: 57 [2020-12-09 20:49:17,839 WARN L197 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 178 DAG size of output: 57 [2020-12-09 20:49:19,082 WARN L197 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 176 DAG size of output: 57 [2020-12-09 20:49:20,166 WARN L197 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 123 DAG size of output: 56 [2020-12-09 20:49:21,191 WARN L197 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 123 DAG size of output: 56 [2020-12-09 20:49:21,194 INFO L262 CegarLoopResult]: For program point L1819(lines 1819 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,194 INFO L262 CegarLoopResult]: For program point L762(lines 762 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,194 INFO L262 CegarLoopResult]: For program point L1555(lines 1555 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,194 INFO L262 CegarLoopResult]: For program point L234(lines 234 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,194 INFO L262 CegarLoopResult]: For program point L2084(lines 2084 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,194 INFO L262 CegarLoopResult]: For program point L3141(lines 3141 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,194 INFO L262 CegarLoopResult]: For program point L2613(lines 2613 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,194 INFO L262 CegarLoopResult]: For program point L4463(lines 4463 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,194 INFO L262 CegarLoopResult]: For program point L1292(lines 1292 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,194 INFO L262 CegarLoopResult]: For program point L3671(lines 3671 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,194 INFO L262 CegarLoopResult]: For program point L500(lines 500 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,194 INFO L262 CegarLoopResult]: For program point L1029(lines 1029 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,194 INFO L262 CegarLoopResult]: For program point L3936(lines 3936 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,194 INFO L262 CegarLoopResult]: For program point L1823(lines 1823 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,194 INFO L262 CegarLoopResult]: For program point L2352(lines 2352 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,195 INFO L262 CegarLoopResult]: For program point L2881(lines 2881 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,195 INFO L262 CegarLoopResult]: For program point L1560(lines 1560 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,195 INFO L262 CegarLoopResult]: For program point L4203(lines 4203 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,195 INFO L262 CegarLoopResult]: For program point L1032(lines 1032 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,195 INFO L262 CegarLoopResult]: For program point L3411(lines 3411 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,195 INFO L262 CegarLoopResult]: For program point L240(lines 240 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,195 INFO L262 CegarLoopResult]: For program point L3147(lines 3147 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,195 INFO L262 CegarLoopResult]: For program point L2883(lines 2883 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,195 INFO L262 CegarLoopResult]: For program point L769(lines 769 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,195 INFO L262 CegarLoopResult]: For program point L3676(lines 3676 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,195 INFO L262 CegarLoopResult]: For program point L1298(lines 1298 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,195 INFO L262 CegarLoopResult]: For program point L2091(lines 2091 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,195 INFO L262 CegarLoopResult]: For program point L1827(lines 1827 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,195 INFO L262 CegarLoopResult]: For program point L506(lines 506 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,195 INFO L262 CegarLoopResult]: For program point L4470(lines 4470 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,195 INFO L262 CegarLoopResult]: For program point L3942(lines 3942 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,195 INFO L262 CegarLoopResult]: For program point L2621(lines 2621 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,195 INFO L262 CegarLoopResult]: For program point L2358(lines 2358 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,195 INFO L262 CegarLoopResult]: For program point L1566(lines 1566 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,195 INFO L262 CegarLoopResult]: For program point L1038(lines 1038 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,195 INFO L262 CegarLoopResult]: For program point L774(lines 774 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,195 INFO L262 CegarLoopResult]: For program point L3681(lines 3681 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,195 INFO L262 CegarLoopResult]: For program point L1303(lines 1303 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,195 INFO L262 CegarLoopResult]: For program point L246(lines 246 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,195 INFO L262 CegarLoopResult]: For program point L4210(lines 4210 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,195 INFO L262 CegarLoopResult]: For program point L2625(lines 2625 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,195 INFO L262 CegarLoopResult]: For program point L511(lines 511 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,196 INFO L262 CegarLoopResult]: For program point L3418(lines 3418 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,196 INFO L262 CegarLoopResult]: For program point L2361(lines 2361 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,196 INFO L262 CegarLoopResult]: For program point L3154(lines 3154 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,196 INFO L262 CegarLoopResult]: For program point L2097(lines 2097 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,196 INFO L262 CegarLoopResult]: For program point L2890(lines 2890 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,196 INFO L262 CegarLoopResult]: For program point L4477(lines 4477 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,196 INFO L262 CegarLoopResult]: For program point L3949(lines 3949 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,196 INFO L262 CegarLoopResult]: For program point L1835(lines 1835 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,196 INFO L262 CegarLoopResult]: For program point L514(lines 514 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,196 INFO L262 CegarLoopResult]: For program point L1572(lines 1572 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,196 INFO L262 CegarLoopResult]: For program point L1308(lines 1308 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,196 INFO L262 CegarLoopResult]: For program point L3423(lines 3423 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,196 INFO L262 CegarLoopResult]: For program point L252(lines 252 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,196 INFO L262 CegarLoopResult]: For program point L1045(lines 1045 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,196 INFO L262 CegarLoopResult]: For program point L781(lines 781 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,196 INFO L262 CegarLoopResult]: For program point L3688(lines 3688 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,196 INFO L262 CegarLoopResult]: For program point L4217(lines 4217 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,196 INFO L262 CegarLoopResult]: For program point L2103(lines 2103 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,196 INFO L262 CegarLoopResult]: For program point L2632(lines 2632 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,196 INFO L262 CegarLoopResult]: For program point L2368(lines 2368 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,196 INFO L262 CegarLoopResult]: For program point L3161(lines 3161 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,196 INFO L262 CegarLoopResult]: For program point L2897(lines 2897 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,196 INFO L262 CegarLoopResult]: For program point L1048(lines 1048 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,196 INFO L262 CegarLoopResult]: For program point L3955(lines 3955 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,196 INFO L262 CegarLoopResult]: For program point L4484(lines 4484 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,196 INFO L262 CegarLoopResult]: For program point L1313(lines 1313 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,196 INFO L262 CegarLoopResult]: For program point L1578(lines 1578 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,196 INFO L262 CegarLoopResult]: For program point L521(lines 521 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,197 INFO L262 CegarLoopResult]: For program point L1843(lines 1843 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,197 INFO L262 CegarLoopResult]: For program point L786(lines 786 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,197 INFO L262 CegarLoopResult]: For program point L3694(lines 3694 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,197 INFO L262 CegarLoopResult]: For program point L3430(lines 3430 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,197 INFO L262 CegarLoopResult]: For program point L259(lines 259 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,197 INFO L262 CegarLoopResult]: For program point L788(lines 788 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,197 INFO L262 CegarLoopResult]: For program point L2110(lines 2110 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,197 INFO L262 CegarLoopResult]: For program point L4224(lines 4224 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,197 INFO L262 CegarLoopResult]: For program point L2639(lines 2639 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,197 INFO L262 CegarLoopResult]: For program point L3432(lines 3432 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,197 INFO L262 CegarLoopResult]: For program point L1318(lines 1318 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,197 INFO L262 CegarLoopResult]: For program point L2375(lines 2375 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,197 INFO L262 CegarLoopResult]: For program point L3168(lines 3168 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,197 INFO L262 CegarLoopResult]: For program point L2904(lines 2904 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,197 INFO L262 CegarLoopResult]: For program point L4490(lines 4490 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,197 INFO L262 CegarLoopResult]: For program point L1055(lines 1055 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,197 INFO L262 CegarLoopResult]: For program point L1584(lines 1584 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,197 INFO L262 CegarLoopResult]: For program point L3963(lines 3963 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,197 INFO L262 CegarLoopResult]: For program point L1849(lines 1849 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,197 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4815) no Hoare annotation was computed. [2020-12-09 20:49:21,197 INFO L262 CegarLoopResult]: For program point L528(lines 528 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,197 INFO L262 CegarLoopResult]: For program point L2114(lines 2114 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,197 INFO L262 CegarLoopResult]: For program point L793(lines 793 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,197 INFO L262 CegarLoopResult]: For program point L3700(lines 3700 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,197 INFO L262 CegarLoopResult]: For program point L265(lines 265 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,197 INFO L262 CegarLoopResult]: For program point L2908(lines 2908 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,198 INFO L262 CegarLoopResult]: For program point L4494(lines 4494 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,198 INFO L262 CegarLoopResult]: For program point L4230(lines 4230 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,198 INFO L262 CegarLoopResult]: For program point L3173(lines 3173 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,198 INFO L262 CegarLoopResult]: For program point L2645(lines 2645 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,198 INFO L262 CegarLoopResult]: For program point L1589(lines 1589 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,198 INFO L262 CegarLoopResult]: For program point L2382(lines 2382 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,198 INFO L262 CegarLoopResult]: For program point L3439(lines 3439 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,198 INFO L262 CegarLoopResult]: For program point L3968(lines 3968 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,198 INFO L262 CegarLoopResult]: For program point L1854(lines 1854 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,198 INFO L262 CegarLoopResult]: For program point L1326(lines 1326 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,198 INFO L262 CegarLoopResult]: For program point L1062(lines 1062 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,198 INFO L262 CegarLoopResult]: For program point L798(lines 798 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,198 INFO L262 CegarLoopResult]: For program point L270(lines 270 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,198 INFO L262 CegarLoopResult]: For program point L2120(lines 2120 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,198 INFO L262 CegarLoopResult]: For program point L3706(lines 3706 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,198 INFO L262 CegarLoopResult]: For program point L535(lines 535 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,198 INFO L262 CegarLoopResult]: For program point L3178(lines 3178 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,198 INFO L262 CegarLoopResult]: For program point L4236(lines 4236 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,198 INFO L262 CegarLoopResult]: For program point L2915(lines 2915 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,198 INFO L262 CegarLoopResult]: For program point L1594(lines 1594 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,198 INFO L262 CegarLoopResult]: For program point L2651(lines 2651 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,198 INFO L262 CegarLoopResult]: For program point L4501(lines 4501 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,198 INFO L262 CegarLoopResult]: For program point L802(lines 802 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,198 INFO L262 CegarLoopResult]: For program point L539(lines 539 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,198 INFO L262 CegarLoopResult]: For program point L3446(lines 3446 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,198 INFO L262 CegarLoopResult]: For program point L1332(lines 1332 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,198 INFO L262 CegarLoopResult]: For program point L2389(lines 2389 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,198 INFO L262 CegarLoopResult]: For program point L275(lines 275 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,199 INFO L262 CegarLoopResult]: For program point L2125(lines 2125 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,199 INFO L262 CegarLoopResult]: For program point L3975(lines 3975 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,199 INFO L262 CegarLoopResult]: For program point L1861(lines 1861 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,199 INFO L262 CegarLoopResult]: For program point L3711(lines 3711 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,199 INFO L262 CegarLoopResult]: For program point L1069(lines 1069 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,199 INFO L262 CegarLoopResult]: For program point L4506(lines 4506 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,199 INFO L262 CegarLoopResult]: For program point L278(lines 278 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,199 INFO L262 CegarLoopResult]: For program point L4242(lines 4242 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,199 INFO L262 CegarLoopResult]: For program point L3186(lines 3186 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,199 INFO L262 CegarLoopResult]: For program point L2394(lines 2394 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,199 INFO L262 CegarLoopResult]: For program point L2923(lines 2923 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,199 INFO L262 CegarLoopResult]: For program point L809(lines 809 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,199 INFO L262 CegarLoopResult]: For program point L1602(lines 1602 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,199 INFO L262 CegarLoopResult]: For program point L2659(lines 2659 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,199 INFO L262 CegarLoopResult]: For program point L1338(lines 1338 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,199 INFO L262 CegarLoopResult]: For program point L2131(lines 2131 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,199 INFO L262 CegarLoopResult]: For program point L3717(lines 3717 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,199 INFO L262 CegarLoopResult]: For program point L546(lines 546 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,199 INFO L262 CegarLoopResult]: For program point L3453(lines 3453 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,199 INFO L262 CegarLoopResult]: For program point L3982(lines 3982 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,199 INFO L262 CegarLoopResult]: For program point L1076(lines 1076 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,199 INFO L262 CegarLoopResult]: For program point L1869(lines 1869 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,199 INFO L262 CegarLoopResult]: For program point L4512(lines 4512 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,199 INFO L262 CegarLoopResult]: For program point L284(lines 284 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,199 INFO L262 CegarLoopResult]: For program point L3191(lines 3191 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,199 INFO L262 CegarLoopResult]: For program point L4248(lines 4248 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,199 INFO L262 CegarLoopResult]: For program point L549(lines 549 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,199 INFO L262 CegarLoopResult]: For program point L2664(lines 2664 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,200 INFO L262 CegarLoopResult]: For program point L2401(lines 2401 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,200 INFO L262 CegarLoopResult]: For program point L2137(lines 2137 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,200 INFO L262 CegarLoopResult]: For program point L2930(lines 2930 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,200 INFO L262 CegarLoopResult]: For program point L3723(lines 3723 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,200 INFO L262 CegarLoopResult]: For program point L1609(lines 1609 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,200 INFO L262 CegarLoopResult]: For program point L3459(lines 3459 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,200 INFO L262 CegarLoopResult]: For program point L3988(lines 3988 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,200 INFO L262 CegarLoopResult]: For program point L817(lines 817 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,200 INFO L262 CegarLoopResult]: For program point L4517(lines 4517 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,200 INFO L262 CegarLoopResult]: For program point L1346(lines 1346 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,200 INFO L262 CegarLoopResult]: For program point L1082(lines 1082 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,200 INFO L262 CegarLoopResult]: For program point L290(lines 290 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,200 INFO L262 CegarLoopResult]: For program point L1876(lines 1876 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,200 INFO L262 CegarLoopResult]: For program point L4255(lines 4255 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,200 INFO L262 CegarLoopResult]: For program point L3198(lines 3198 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,200 INFO L262 CegarLoopResult]: For program point L556(lines 556 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,200 INFO L262 CegarLoopResult]: For program point L2142(lines 2142 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,200 INFO L262 CegarLoopResult]: For program point L2671(lines 2671 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,200 INFO L262 CegarLoopResult]: For program point L1615(lines 1615 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,200 INFO L262 CegarLoopResult]: For program point L1351(lines 1351 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,200 INFO L262 CegarLoopResult]: For program point L1087(lines 1087 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,200 INFO L262 CegarLoopResult]: For program point L2937(lines 2937 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,200 INFO L262 CegarLoopResult]: For program point L3730(lines 3730 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,200 INFO L262 CegarLoopResult]: For program point L4523(lines 4523 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,200 INFO L262 CegarLoopResult]: For program point L3466(lines 3466 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,200 INFO L262 CegarLoopResult]: For program point L2409(lines 2409 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,200 INFO L262 CegarLoopResult]: For program point L2145(lines 2145 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,200 INFO L262 CegarLoopResult]: For program point L3995(lines 3995 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,201 INFO L262 CegarLoopResult]: For program point L1881(lines 1881 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,201 INFO L262 CegarLoopResult]: For program point L824(lines 824 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,201 INFO L262 CegarLoopResult]: For program point L297(lines 297 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,201 INFO L262 CegarLoopResult]: For program point L3204(lines 3204 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,201 INFO L262 CegarLoopResult]: For program point L4261(lines 4261 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,201 INFO L262 CegarLoopResult]: For program point L3999(lines 3999 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,201 INFO L262 CegarLoopResult]: For program point L2678(lines 2678 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,201 INFO L262 CegarLoopResult]: For program point L564(lines 564 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,201 INFO L262 CegarLoopResult]: For program point L2414(lines 2414 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,201 INFO L262 CegarLoopResult]: For program point L3736(lines 3736 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,201 INFO L262 CegarLoopResult]: For program point L1622(lines 1622 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,201 INFO L262 CegarLoopResult]: For program point L3472(lines 3472 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,201 INFO L262 CegarLoopResult]: For program point L1358(lines 1358 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,201 INFO L262 CegarLoopResult]: For program point L1094(lines 1094 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,201 INFO L262 CegarLoopResult]: For program point L2151(lines 2151 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,201 INFO L262 CegarLoopResult]: For program point L2944(lines 2944 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,201 INFO L262 CegarLoopResult]: For program point L4530(lines 4530 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,201 INFO L262 CegarLoopResult]: For program point L3209(lines 3209 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,201 INFO L262 CegarLoopResult]: For program point L1888(lines 1888 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,201 INFO L262 CegarLoopResult]: For program point L832(lines 832 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,201 INFO L262 CegarLoopResult]: For program point L1361(lines 1361 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,201 INFO L262 CegarLoopResult]: For program point L304(lines 304 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,201 INFO L262 CegarLoopResult]: For program point L4268(lines 4268 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,201 INFO L262 CegarLoopResult]: For program point L2419(lines 2419 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,201 INFO L262 CegarLoopResult]: For program point L3741(lines 3741 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,201 INFO L262 CegarLoopResult]: For program point L570(lines 570 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,201 INFO L262 CegarLoopResult]: For program point L2685(lines 2685 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,201 INFO L262 CegarLoopResult]: For program point L4535(lines 4535 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,202 INFO L262 CegarLoopResult]: For program point L3214(lines 3214 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,202 INFO L262 CegarLoopResult]: For program point L1100(lines 1100 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,202 INFO L262 CegarLoopResult]: For program point L2950(lines 2950 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,202 INFO L262 CegarLoopResult]: For program point L4007(lines 4007 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,202 INFO L262 CegarLoopResult]: For program point L1629(lines 1629 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,202 INFO L262 CegarLoopResult]: For program point L2158(lines 2158 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,202 INFO L262 CegarLoopResult]: For program point L1894(lines 1894 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,202 INFO L262 CegarLoopResult]: For program point L3480(lines 3480 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,202 INFO L262 CegarLoopResult]: For program point L2423(lines 2423 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,202 INFO L262 CegarLoopResult]: For program point L574(lines 574 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,202 INFO L262 CegarLoopResult]: For program point L839(lines 839 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,202 INFO L262 CegarLoopResult]: For program point L1368(lines 1368 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,202 INFO L262 CegarLoopResult]: For program point L4275(lines 4275 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,202 INFO L262 CegarLoopResult]: For program point L4540(lines 4540 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,202 INFO L262 CegarLoopResult]: For program point L312(lines 312 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,202 INFO L262 CegarLoopResult]: For program point L3219(lines 3219 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,202 INFO L262 CegarLoopResult]: For program point L2955(lines 2955 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,202 INFO L262 CegarLoopResult]: For program point L3748(lines 3748 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,202 INFO L262 CegarLoopResult]: For program point L2691(lines 2691 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,202 INFO L262 CegarLoopResult]: For program point L2427(lines 2427 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,202 INFO L262 CegarLoopResult]: For program point L1899(lines 1899 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,202 INFO L262 CegarLoopResult]: For program point L2164(lines 2164 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,202 INFO L262 CegarLoopResult]: For program point L1107(lines 1107 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,202 INFO L262 CegarLoopResult]: For program point L50(lines 50 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,202 INFO L262 CegarLoopResult]: For program point L4014(lines 4014 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,202 INFO L262 CegarLoopResult]: For program point L1636(lines 1636 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,202 INFO L262 CegarLoopResult]: For program point L3486(lines 3486 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,202 INFO L262 CegarLoopResult]: For program point L845(lines 845 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,203 INFO L262 CegarLoopResult]: For program point L4545(lines 4545 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,203 INFO L262 CegarLoopResult]: For program point L317(lines 317 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,203 INFO L262 CegarLoopResult]: For program point L2960(lines 2960 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,203 INFO L262 CegarLoopResult]: For program point L3753(lines 3753 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,203 INFO L262 CegarLoopResult]: For program point L582(lines 582 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,203 INFO L262 CegarLoopResult]: For program point L1375(lines 1375 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,203 INFO L262 CegarLoopResult]: For program point L4282(lines 4282 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,203 INFO L262 CegarLoopResult]: For program point L4811-1(lines 4084 4818) no Hoare annotation was computed. [2020-12-09 20:49:21,203 INFO L262 CegarLoopResult]: For program point L1905(lines 1905 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,203 INFO L262 CegarLoopResult]: For program point L2698(lines 2698 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,203 INFO L262 CegarLoopResult]: For program point L2434(lines 2434 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,203 INFO L262 CegarLoopResult]: For program point L2170(lines 2170 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,203 INFO L262 CegarLoopResult]: For program point L3227(lines 3227 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,203 INFO L262 CegarLoopResult]: For program point L1113(lines 1113 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,203 INFO L262 CegarLoopResult]: For program point L57(lines 57 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,203 INFO L262 CegarLoopResult]: For program point L4021(lines 4021 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,203 INFO L262 CegarLoopResult]: For program point L850(lines 850 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,203 INFO L262 CegarLoopResult]: For program point L1643(lines 1643 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,203 INFO L262 CegarLoopResult]: For program point L4814-1(lines 4814 4816) no Hoare annotation was computed. [2020-12-09 20:49:21,203 INFO L262 CegarLoopResult]: For program point L3493(lines 3493 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,203 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 20:49:21,203 INFO L262 CegarLoopResult]: For program point L4815(line 4815) no Hoare annotation was computed. [2020-12-09 20:49:21,203 INFO L262 CegarLoopResult]: For program point L2966(lines 2966 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,204 INFO L262 CegarLoopResult]: For program point L1909(lines 1909 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,204 INFO L262 CegarLoopResult]: For program point L4552(lines 4552 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,204 INFO L262 CegarLoopResult]: For program point L324(lines 324 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,204 INFO L262 CegarLoopResult]: For program point L4288(lines 4288 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,204 INFO L258 CegarLoopResult]: At program point L4817(lines 4084 4818) the Hoare annotation is: (let ((.cse0 (<= ~a28~0 16)) (.cse1 (<= ~a26~0 17)) (.cse3 (<= ~a4~0 17)) (.cse8 (<= 19 ~a26~0)) (.cse5 (<= 17 ~a4~0)) (.cse7 (<= 17 ~a28~0)) (.cse12 (= ~a14~0 18)) (.cse11 (= ~a26~0 18)) (.cse13 (<= ~a28~0 15)) (.cse2 (= ~a3~0 1)) (.cse4 (<= ~a14~0 19)) (.cse10 (= ~a7~0 1)) (.cse9 (<= ~a4~0 16)) (.cse6 (<= ~a3~0 0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse5 .cse2) (and .cse4 .cse8 .cse5 .cse2) (and .cse0 .cse1 .cse9 .cse6) (and .cse10 .cse7 .cse9 .cse6) (and .cse3 .cse11 .cse5 .cse2) (and .cse0 .cse10 .cse2) (and .cse11 .cse12 .cse6) (and .cse4 .cse10 .cse2) (and .cse0 .cse8 .cse5 .cse6) (and .cse0 .cse10 (<= ~a26~0 18) .cse6) (and .cse11 .cse4 .cse9 .cse2) (and .cse11 .cse0 .cse4 .cse5 .cse6) (and .cse13 .cse6) (and .cse4 .cse1 .cse9 .cse6) (and .cse11 .cse7 .cse9 .cse6) (and .cse11 .cse4 .cse10 .cse6) (and .cse3 .cse1 .cse5 .cse6) (and .cse3 .cse10 .cse8 .cse5 .cse6) (and .cse7 .cse8 .cse2) (and .cse12 .cse2) (and .cse13 .cse8 .cse5 .cse2) (and .cse7 .cse12 .cse6) (and .cse11 .cse13 .cse9 .cse2) (and .cse4 .cse10 .cse9 .cse6))) [2020-12-09 20:49:21,204 INFO L262 CegarLoopResult]: For program point L589(lines 589 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,205 INFO L258 CegarLoopResult]: At program point L1382(lines 49 1383) the Hoare annotation is: (let ((.cse0 (<= ~a28~0 16)) (.cse1 (<= ~a26~0 17)) (.cse4 (<= ~a4~0 17)) (.cse9 (<= 19 ~a26~0)) (.cse5 (<= 17 ~a4~0)) (.cse8 (<= 17 ~a28~0)) (.cse12 (= ~a14~0 18)) (.cse3 (= ~a26~0 18)) (.cse13 (<= ~a28~0 15)) (.cse2 (= ~a3~0 1)) (.cse6 (<= ~a14~0 19)) (.cse11 (= ~a7~0 1)) (.cse10 (<= ~a4~0 16)) (.cse7 (<= ~a3~0 0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse2) (and .cse4 .cse6 .cse5 .cse7) (and .cse8 .cse5 .cse2) (and .cse6 .cse9 .cse5 .cse2) (and .cse0 .cse1 .cse10 .cse7) (and .cse11 .cse8 .cse10 .cse7) (and .cse0 .cse11 .cse2) (and .cse3 .cse12 .cse7) (and .cse6 .cse11 .cse2) (and .cse0 .cse9 .cse5 .cse7) (and .cse0 .cse11 (<= ~a26~0 18) .cse7) (and .cse3 .cse0 .cse6 .cse5 .cse7) (and .cse13 .cse7) (and .cse6 .cse1 .cse10 .cse7) (and .cse3 .cse8 .cse10 .cse7) (and .cse3 .cse6 .cse11 .cse7) (and .cse4 .cse1 .cse5 .cse7) (and .cse4 .cse11 .cse9 .cse5 .cse7) (and .cse8 .cse9 .cse2) (and .cse3 .cse4 .cse6 .cse2) (and .cse12 .cse2) (and .cse13 .cse9 .cse5 .cse2) (and .cse8 .cse12 .cse7) (and .cse3 .cse13 .cse10 .cse2) (and .cse6 .cse11 .cse10 .cse7))) [2020-12-09 20:49:21,205 INFO L262 CegarLoopResult]: For program point L1118(lines 1118 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,205 INFO L262 CegarLoopResult]: For program point L3761(lines 3761 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,205 INFO L262 CegarLoopResult]: For program point L2176(lines 2176 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,205 INFO L262 CegarLoopResult]: For program point L3233(lines 3233 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,205 INFO L262 CegarLoopResult]: For program point L62(lines 62 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,205 INFO L262 CegarLoopResult]: For program point L1912(lines 1912 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,205 INFO L262 CegarLoopResult]: For program point L855(lines 855 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,205 INFO L262 CegarLoopResult]: For program point L2441(lines 2441 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,205 INFO L262 CegarLoopResult]: For program point L2706(lines 2706 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,205 INFO L265 CegarLoopResult]: At program point L4820(lines 4820 4837) the Hoare annotation is: true [2020-12-09 20:49:21,205 INFO L262 CegarLoopResult]: For program point L4028(lines 4028 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,205 INFO L262 CegarLoopResult]: For program point L2971(lines 2971 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,205 INFO L262 CegarLoopResult]: For program point L1650(lines 1650 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,205 INFO L262 CegarLoopResult]: For program point L3500(lines 3500 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,205 INFO L262 CegarLoopResult]: For program point L1386(lines 1386 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,205 INFO L262 CegarLoopResult]: For program point L329(lines 329 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,205 INFO L262 CegarLoopResult]: For program point L4294(lines 4294 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,205 INFO L262 CegarLoopResult]: For program point L595(lines 595 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,205 INFO L262 CegarLoopResult]: For program point L4559(lines 4559 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,205 INFO L262 CegarLoopResult]: For program point L1124(lines 1124 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,205 INFO L262 CegarLoopResult]: For program point L1917(lines 1917 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,205 INFO L262 CegarLoopResult]: For program point L1653(lines 1653 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,205 INFO L262 CegarLoopResult]: For program point L2446(lines 2446 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,205 INFO L262 CegarLoopResult]: For program point L3239(lines 3239 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,206 INFO L262 CegarLoopResult]: For program point L68(lines 68 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,206 INFO L262 CegarLoopResult]: For program point L861(lines 861 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,206 INFO L262 CegarLoopResult]: For program point L3768(lines 3768 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,206 INFO L262 CegarLoopResult]: For program point L333(lines 333 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,206 INFO L262 CegarLoopResult]: For program point L2183(lines 2183 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,206 INFO L262 CegarLoopResult]: For program point L2976(lines 2976 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,206 INFO L262 CegarLoopResult]: For program point L2712(lines 2712 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,206 INFO L258 CegarLoopResult]: At program point L4826-2(lines 4826 4836) the Hoare annotation is: (let ((.cse0 (<= ~a28~0 16)) (.cse1 (<= ~a26~0 17)) (.cse4 (<= ~a4~0 17)) (.cse9 (<= 19 ~a26~0)) (.cse5 (<= 17 ~a4~0)) (.cse8 (<= 17 ~a28~0)) (.cse12 (= ~a14~0 18)) (.cse3 (= ~a26~0 18)) (.cse13 (<= ~a28~0 15)) (.cse2 (= ~a3~0 1)) (.cse6 (<= ~a14~0 19)) (.cse11 (= ~a7~0 1)) (.cse10 (<= ~a4~0 16)) (.cse7 (<= ~a3~0 0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse2) (and .cse4 .cse6 .cse5 .cse7) (and .cse8 .cse5 .cse2) (and .cse6 .cse9 .cse5 .cse2) (and .cse0 .cse1 .cse10 .cse7) (and .cse11 .cse8 .cse10 .cse7) (and .cse0 .cse11 .cse2) (and .cse3 .cse12 .cse7) (and .cse6 .cse11 .cse2) (and .cse0 .cse9 .cse5 .cse7) (and .cse0 .cse11 (<= ~a26~0 18) .cse7) (and .cse3 .cse0 .cse6 .cse5 .cse7) (and .cse13 .cse7) (and .cse6 .cse1 .cse10 .cse7) (and .cse3 .cse8 .cse10 .cse7) (and .cse3 .cse6 .cse11 .cse7) (and .cse4 .cse1 .cse5 .cse7) (and .cse4 .cse11 .cse9 .cse5 .cse7) (and .cse8 .cse9 .cse2) (and .cse3 .cse4 .cse6 .cse2) (and .cse12 .cse2) (and .cse13 .cse9 .cse5 .cse2) (and .cse8 .cse12 .cse7) (and .cse3 .cse13 .cse10 .cse2) (and .cse6 .cse11 .cse10 .cse7))) [2020-12-09 20:49:21,206 INFO L262 CegarLoopResult]: For program point L3505(lines 3505 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,206 INFO L262 CegarLoopResult]: For program point L4034(lines 4034 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,206 INFO L262 CegarLoopResult]: For program point L1392(lines 1392 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,206 INFO L262 CegarLoopResult]: For program point L4299(lines 4299 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,206 INFO L262 CegarLoopResult]: For program point L1658(lines 1658 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,206 INFO L262 CegarLoopResult]: For program point L4566(lines 4566 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,206 INFO L262 CegarLoopResult]: For program point L1131(lines 1131 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,206 INFO L262 CegarLoopResult]: For program point L1924(lines 1924 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,206 INFO L262 CegarLoopResult]: For program point L2981(lines 2981 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,206 INFO L262 CegarLoopResult]: For program point L4831(line 4831) no Hoare annotation was computed. [2020-12-09 20:49:21,206 INFO L262 CegarLoopResult]: For program point L3774(lines 3774 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,206 INFO L262 CegarLoopResult]: For program point L603(lines 603 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,207 INFO L262 CegarLoopResult]: For program point L3246(lines 3246 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,207 INFO L262 CegarLoopResult]: For program point L2454(lines 2454 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,207 INFO L262 CegarLoopResult]: For program point L1397(lines 1397 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,207 INFO L262 CegarLoopResult]: For program point L340(lines 340 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,207 INFO L262 CegarLoopResult]: For program point L2190(lines 2190 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,207 INFO L262 CegarLoopResult]: For program point L4304(lines 4304 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,207 INFO L262 CegarLoopResult]: For program point L76(lines 76 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,207 INFO L262 CegarLoopResult]: For program point L869(lines 869 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,207 INFO L258 CegarLoopResult]: At program point L2719(lines 1385 2720) the Hoare annotation is: (let ((.cse0 (<= ~a28~0 16)) (.cse1 (<= ~a26~0 17)) (.cse3 (<= ~a4~0 17)) (.cse8 (<= 19 ~a26~0)) (.cse5 (<= 17 ~a4~0)) (.cse7 (<= 17 ~a28~0)) (.cse12 (= ~a14~0 18)) (.cse11 (= ~a26~0 18)) (.cse13 (<= ~a28~0 15)) (.cse2 (= ~a3~0 1)) (.cse4 (<= ~a14~0 19)) (.cse10 (= ~a7~0 1)) (.cse9 (<= ~a4~0 16)) (.cse6 (<= ~a3~0 0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse5 .cse2) (and .cse4 .cse8 .cse5 .cse2) (and .cse0 .cse1 .cse9 .cse6) (and .cse10 .cse7 .cse9 .cse6) (and .cse3 .cse11 .cse5 .cse2) (and .cse0 .cse10 .cse2) (and .cse11 .cse12 .cse6) (and .cse4 .cse10 .cse2) (and .cse0 .cse8 .cse5 .cse6) (and .cse0 .cse10 (<= ~a26~0 18) .cse6) (and .cse11 .cse0 .cse4 .cse5 .cse6) (and .cse13 .cse6) (and .cse4 .cse1 .cse9 .cse6) (and .cse11 .cse7 .cse9 .cse6) (and .cse11 .cse4 .cse10 .cse6) (and .cse3 .cse1 .cse5 .cse6) (and .cse3 .cse10 .cse8 .cse5 .cse6) (and .cse7 .cse8 .cse2) (and .cse11 .cse3 .cse4 .cse2) (and .cse12 .cse2) (and .cse13 .cse8 .cse5 .cse2) (and .cse7 .cse12 .cse6) (and .cse11 .cse13 .cse9 .cse2) (and .cse4 .cse10 .cse9 .cse6))) [2020-12-09 20:49:21,207 INFO L262 CegarLoopResult]: For program point L3512(lines 3512 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,207 INFO L262 CegarLoopResult]: For program point L4041(lines 4041 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,207 INFO L262 CegarLoopResult]: For program point L1664(lines 1664 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,207 INFO L262 CegarLoopResult]: For program point L1929(lines 1929 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,207 INFO L262 CegarLoopResult]: For program point L872(lines 872 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,207 INFO L262 CegarLoopResult]: For program point L3779(lines 3779 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,207 INFO L262 CegarLoopResult]: For program point L2723(lines 2723 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,207 INFO L262 CegarLoopResult]: For program point L4573(lines 4573 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,207 INFO L262 CegarLoopResult]: For program point L1402(lines 1402 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,207 INFO L262 CegarLoopResult]: For program point L2459(lines 2459 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,207 INFO L262 CegarLoopResult]: For program point L3252(lines 3252 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,207 INFO L262 CegarLoopResult]: For program point L1138(lines 1138 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,207 INFO L262 CegarLoopResult]: For program point L2988(lines 2988 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,207 INFO L262 CegarLoopResult]: For program point L610(lines 610 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,207 INFO L262 CegarLoopResult]: For program point L4310(lines 4310 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,208 INFO L262 CegarLoopResult]: For program point L2196(lines 2196 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,208 INFO L262 CegarLoopResult]: For program point L82(lines 82 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,208 INFO L262 CegarLoopResult]: For program point L1404(lines 1404 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,208 INFO L262 CegarLoopResult]: For program point L347(lines 347 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,208 INFO L262 CegarLoopResult]: For program point L3519(lines 3519 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,208 INFO L262 CegarLoopResult]: For program point L4048(lines 4048 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,208 INFO L262 CegarLoopResult]: For program point L2992(lines 2992 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,208 INFO L262 CegarLoopResult]: For program point L878(lines 878 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,208 INFO L262 CegarLoopResult]: For program point L3785(lines 3785 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,208 INFO L262 CegarLoopResult]: For program point L1671(lines 1671 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,208 INFO L262 CegarLoopResult]: For program point L1407(lines 1407 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,208 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 20:49:21,208 INFO L262 CegarLoopResult]: For program point L1143(lines 1143 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,208 INFO L262 CegarLoopResult]: For program point L1936(lines 1936 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,208 INFO L262 CegarLoopResult]: For program point L2729(lines 2729 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,208 INFO L262 CegarLoopResult]: For program point L2466(lines 2466 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,208 INFO L262 CegarLoopResult]: For program point L4580(lines 4580 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,208 INFO L262 CegarLoopResult]: For program point L4316(lines 4316 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,208 INFO L262 CegarLoopResult]: For program point L617(lines 617 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,208 INFO L262 CegarLoopResult]: For program point L3260(lines 3260 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,208 INFO L262 CegarLoopResult]: For program point L2203(lines 2203 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,208 INFO L262 CegarLoopResult]: For program point L90(lines 90 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,208 INFO L262 CegarLoopResult]: For program point L1676(lines 1676 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,208 INFO L262 CegarLoopResult]: For program point L1412(lines 1412 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,208 INFO L262 CegarLoopResult]: For program point L355(lines 355 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,208 INFO L262 CegarLoopResult]: For program point L4055(lines 4055 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,208 INFO L262 CegarLoopResult]: For program point L2470(lines 2470 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,208 INFO L262 CegarLoopResult]: For program point L3527(lines 3527 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,208 INFO L262 CegarLoopResult]: For program point L2999(lines 2999 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,209 INFO L262 CegarLoopResult]: For program point L3792(lines 3792 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,209 INFO L262 CegarLoopResult]: For program point L4585(lines 4585 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,209 INFO L262 CegarLoopResult]: For program point L1150(lines 1150 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,209 INFO L262 CegarLoopResult]: For program point L1943(lines 1943 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,209 INFO L262 CegarLoopResult]: For program point L886(lines 886 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,209 INFO L262 CegarLoopResult]: For program point L2736(lines 2736 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,209 INFO L262 CegarLoopResult]: For program point L4323(lines 4323 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,209 INFO L262 CegarLoopResult]: For program point L3266(lines 3266 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,209 INFO L262 CegarLoopResult]: For program point L95(lines 95 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,209 INFO L262 CegarLoopResult]: For program point L624(lines 624 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,209 INFO L262 CegarLoopResult]: For program point L2210(lines 2210 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,209 INFO L262 CegarLoopResult]: For program point L1682(lines 1682 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,209 INFO L262 CegarLoopResult]: For program point L1418(lines 1418 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,209 INFO L262 CegarLoopResult]: For program point L362(lines 362 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,209 INFO L262 CegarLoopResult]: For program point L1155(lines 1155 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,209 INFO L262 CegarLoopResult]: For program point L4062(lines 4062 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,209 INFO L262 CegarLoopResult]: For program point L2741(lines 2741 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,209 INFO L262 CegarLoopResult]: For program point L3534(lines 3534 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,209 INFO L262 CegarLoopResult]: For program point L2477(lines 2477 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,209 INFO L262 CegarLoopResult]: For program point L3006(lines 3006 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,209 INFO L262 CegarLoopResult]: For program point L3799(lines 3799 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,209 INFO L262 CegarLoopResult]: For program point L1950(lines 1950 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,209 INFO L262 CegarLoopResult]: For program point L4593(lines 4593 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,209 INFO L262 CegarLoopResult]: For program point L2215(lines 2215 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,209 INFO L262 CegarLoopResult]: For program point L894(lines 894 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,209 INFO L262 CegarLoopResult]: For program point L630(lines 630 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,209 INFO L262 CegarLoopResult]: For program point L4330(lines 4330 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,209 INFO L262 CegarLoopResult]: For program point L3273(lines 3273 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,209 INFO L262 CegarLoopResult]: For program point L102(lines 102 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,210 INFO L262 CegarLoopResult]: For program point L1688(lines 1688 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,210 INFO L262 CegarLoopResult]: For program point L1425(lines 1425 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,210 INFO L262 CegarLoopResult]: For program point L3804(lines 3804 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,210 INFO L262 CegarLoopResult]: For program point L2483(lines 2483 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,210 INFO L262 CegarLoopResult]: For program point L369(lines 369 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,210 INFO L262 CegarLoopResult]: For program point L3276(lines 3276 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,210 INFO L262 CegarLoopResult]: For program point L4069(lines 4069 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,210 INFO L262 CegarLoopResult]: For program point L2748(lines 2748 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,210 INFO L262 CegarLoopResult]: For program point L3541(lines 3541 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,210 INFO L262 CegarLoopResult]: For program point L1163(lines 1163 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,210 INFO L262 CegarLoopResult]: For program point L635(lines 635 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,210 INFO L262 CegarLoopResult]: For program point L3014(lines 3014 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,210 INFO L262 CegarLoopResult]: For program point L2486(lines 2486 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,210 INFO L262 CegarLoopResult]: For program point L4600(lines 4600 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,210 INFO L262 CegarLoopResult]: For program point L2222(lines 2222 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,210 INFO L262 CegarLoopResult]: For program point L4336(lines 4336 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,210 INFO L262 CegarLoopResult]: For program point L1958(lines 1958 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,210 INFO L262 CegarLoopResult]: For program point L901(lines 901 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,210 INFO L262 CegarLoopResult]: For program point L109(lines 109 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,210 INFO L262 CegarLoopResult]: For program point L4602(lines 4602 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,210 INFO L262 CegarLoopResult]: For program point L1431(lines 1431 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,210 INFO L262 CegarLoopResult]: For program point L3281(lines 3281 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,210 INFO L262 CegarLoopResult]: For program point L4074(lines 4074 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,210 INFO L262 CegarLoopResult]: For program point L1696(lines 1696 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,210 INFO L262 CegarLoopResult]: For program point L2753(lines 2753 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,210 INFO L262 CegarLoopResult]: For program point L3811(lines 3811 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,210 INFO L262 CegarLoopResult]: For program point L641(lines 641 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,210 INFO L262 CegarLoopResult]: For program point L3548(lines 3548 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,210 INFO L262 CegarLoopResult]: For program point L377(lines 377 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,211 INFO L262 CegarLoopResult]: For program point L1170(lines 1170 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,211 INFO L262 CegarLoopResult]: For program point L3020(lines 3020 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,211 INFO L262 CegarLoopResult]: For program point L2492(lines 2492 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,211 INFO L262 CegarLoopResult]: For program point L3285(lines 3285 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,211 INFO L262 CegarLoopResult]: For program point L907(lines 907 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,211 INFO L262 CegarLoopResult]: For program point L4607(lines 4607 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,211 INFO L262 CegarLoopResult]: For program point L2229(lines 2229 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,211 INFO L262 CegarLoopResult]: For program point L115(lines 115 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,211 INFO L262 CegarLoopResult]: For program point L1965(lines 1965 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,211 INFO L262 CegarLoopResult]: For program point L4344(lines 4344 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,211 INFO L262 CegarLoopResult]: For program point L3816(lines 3816 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,211 INFO L262 CegarLoopResult]: For program point L645(lines 645 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,211 INFO L262 CegarLoopResult]: For program point L1438(lines 1438 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,211 INFO L258 CegarLoopResult]: At program point L4081(lines 2722 4082) the Hoare annotation is: (let ((.cse0 (<= ~a28~0 16)) (.cse1 (<= ~a26~0 17)) (.cse3 (<= ~a4~0 17)) (.cse8 (<= 19 ~a26~0)) (.cse5 (<= 17 ~a4~0)) (.cse7 (<= 17 ~a28~0)) (.cse12 (= ~a14~0 18)) (.cse11 (= ~a26~0 18)) (.cse13 (<= ~a28~0 15)) (.cse2 (= ~a3~0 1)) (.cse4 (<= ~a14~0 19)) (.cse10 (= ~a7~0 1)) (.cse9 (<= ~a4~0 16)) (.cse6 (<= ~a3~0 0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse5 .cse2) (and .cse4 .cse8 .cse5 .cse2) (and .cse0 .cse1 .cse9 .cse6) (and .cse10 .cse7 .cse9 .cse6) (and .cse3 .cse11 .cse5 .cse2) (and .cse0 .cse10 .cse2) (and .cse11 .cse12 .cse6) (and .cse4 .cse10 .cse2) (and .cse0 .cse8 .cse5 .cse6) (and .cse0 .cse10 (<= ~a26~0 18) .cse6) (and .cse11 .cse4 .cse9 .cse2) (and .cse11 .cse0 .cse4 .cse5 .cse6) (and .cse13 .cse6) (and .cse4 .cse1 .cse9 .cse6) (and .cse11 .cse7 .cse9 .cse6) (and .cse11 .cse4 .cse10 .cse6) (and .cse3 .cse1 .cse5 .cse6) (and .cse3 .cse10 .cse8 .cse5 .cse6) (and .cse7 .cse8 .cse2) (and .cse12 .cse2) (and .cse13 .cse8 .cse5 .cse2) (and .cse7 .cse12 .cse6) (and .cse11 .cse13 .cse9 .cse2) (and .cse4 .cse10 .cse9 .cse6))) [2020-12-09 20:49:21,211 INFO L262 CegarLoopResult]: For program point L2760(lines 2760 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,211 INFO L262 CegarLoopResult]: For program point L382(lines 382 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,211 INFO L262 CegarLoopResult]: For program point L1704(lines 1704 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,211 INFO L262 CegarLoopResult]: For program point L3554(lines 3554 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,211 INFO L262 CegarLoopResult]: For program point L1176(lines 1176 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,211 INFO L262 CegarLoopResult]: For program point L2498(lines 2498 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,211 INFO L262 CegarLoopResult]: For program point L4612(lines 4612 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,211 INFO L262 CegarLoopResult]: For program point L3291(lines 3291 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,211 INFO L262 CegarLoopResult]: For program point L3027(lines 3027 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,211 INFO L262 CegarLoopResult]: For program point L649(lines 649 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,211 INFO L262 CegarLoopResult]: For program point L2235(lines 2235 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,212 INFO L262 CegarLoopResult]: For program point L4085(lines 4085 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,212 INFO L262 CegarLoopResult]: For program point L1971(lines 1971 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,212 INFO L262 CegarLoopResult]: For program point L914(lines 914 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,212 INFO L262 CegarLoopResult]: For program point L122(lines 122 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,212 INFO L262 CegarLoopResult]: For program point L3822(lines 3822 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,212 INFO L262 CegarLoopResult]: For program point L1444(lines 1444 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,212 INFO L262 CegarLoopResult]: For program point L387(lines 387 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,212 INFO L262 CegarLoopResult]: For program point L4351(lines 4351 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,212 INFO L262 CegarLoopResult]: For program point L2766(lines 2766 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,212 INFO L262 CegarLoopResult]: For program point L3031(lines 3031 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,212 INFO L262 CegarLoopResult]: For program point L1710(lines 1710 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,212 INFO L262 CegarLoopResult]: For program point L2503(lines 2503 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,212 INFO L262 CegarLoopResult]: For program point L3561(lines 3561 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,212 INFO L262 CegarLoopResult]: For program point L2240(lines 2240 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,212 INFO L262 CegarLoopResult]: For program point L126(lines 126 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,212 INFO L262 CegarLoopResult]: For program point L4090(lines 4090 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,212 INFO L262 CegarLoopResult]: For program point L919(lines 919 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,212 INFO L262 CegarLoopResult]: For program point L655(lines 655 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,212 INFO L262 CegarLoopResult]: For program point L3298(lines 3298 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,212 INFO L262 CegarLoopResult]: For program point L1184(lines 1184 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,212 INFO L262 CegarLoopResult]: For program point L2770(lines 2770 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,212 INFO L262 CegarLoopResult]: For program point L4620(lines 4620 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,212 INFO L262 CegarLoopResult]: For program point L1450(lines 1450 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,212 INFO L262 CegarLoopResult]: For program point L393(lines 393 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,212 INFO L262 CegarLoopResult]: For program point L4357(lines 4357 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,212 INFO L262 CegarLoopResult]: For program point L1979(lines 1979 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,212 INFO L262 CegarLoopResult]: For program point L1715(lines 1715 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,212 INFO L262 CegarLoopResult]: For program point L3830(lines 3830 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,212 INFO L262 CegarLoopResult]: For program point L3566(lines 3566 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,212 INFO L262 CegarLoopResult]: For program point L2245(lines 2245 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,213 INFO L262 CegarLoopResult]: For program point L131(lines 131 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,213 INFO L262 CegarLoopResult]: For program point L3038(lines 3038 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,213 INFO L262 CegarLoopResult]: For program point L2510(lines 2510 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,213 INFO L262 CegarLoopResult]: For program point L4096(lines 4096 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,213 INFO L262 CegarLoopResult]: For program point L2775(lines 2775 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,213 INFO L262 CegarLoopResult]: For program point L3304(lines 3304 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,213 INFO L262 CegarLoopResult]: For program point L1983(lines 1983 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,213 INFO L262 CegarLoopResult]: For program point L926(lines 926 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,213 INFO L262 CegarLoopResult]: For program point L662(lines 662 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,213 INFO L262 CegarLoopResult]: For program point L1455(lines 1455 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,213 INFO L262 CegarLoopResult]: For program point L398(lines 398 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,213 INFO L262 CegarLoopResult]: For program point L4362(lines 4362 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,213 INFO L262 CegarLoopResult]: For program point L1191(lines 1191 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,213 INFO L262 CegarLoopResult]: For program point L1720(lines 1720 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,213 INFO L262 CegarLoopResult]: For program point L4627(lines 4627 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,213 INFO L262 CegarLoopResult]: For program point L2249(lines 2249 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,213 INFO L262 CegarLoopResult]: For program point L3837(lines 3837 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,213 INFO L262 CegarLoopResult]: For program point L3573(lines 3573 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,213 INFO L262 CegarLoopResult]: For program point L4366(lines 4366 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,213 INFO L262 CegarLoopResult]: For program point L3309(lines 3309 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,213 INFO L262 CegarLoopResult]: For program point L138(lines 138 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,213 INFO L262 CegarLoopResult]: For program point L3045(lines 3045 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,213 INFO L262 CegarLoopResult]: For program point L1460(lines 1460 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,213 INFO L262 CegarLoopResult]: For program point L2517(lines 2517 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,213 INFO L262 CegarLoopResult]: For program point L403(lines 403 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,213 INFO L262 CegarLoopResult]: For program point L1196(lines 1196 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,213 INFO L262 CegarLoopResult]: For program point L2782(lines 2782 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,213 INFO L262 CegarLoopResult]: For program point L4104(lines 4104 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,213 INFO L262 CegarLoopResult]: For program point L1990(lines 1990 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,214 INFO L262 CegarLoopResult]: For program point L934(lines 934 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,214 INFO L262 CegarLoopResult]: For program point L1727(lines 1727 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,214 INFO L262 CegarLoopResult]: For program point L670(lines 670 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,214 INFO L262 CegarLoopResult]: For program point L2256(lines 2256 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,214 INFO L262 CegarLoopResult]: For program point L3050(lines 3050 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,214 INFO L262 CegarLoopResult]: For program point L1465(lines 1465 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,214 INFO L262 CegarLoopResult]: For program point L3315(lines 3315 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,214 INFO L262 CegarLoopResult]: For program point L4372(lines 4372 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,214 INFO L262 CegarLoopResult]: For program point L1201(lines 1201 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,214 INFO L262 CegarLoopResult]: For program point L3844(lines 3844 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,214 INFO L262 CegarLoopResult]: For program point L3580(lines 3580 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,214 INFO L262 CegarLoopResult]: For program point L146(lines 146 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,214 INFO L262 CegarLoopResult]: For program point L2789(lines 2789 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,214 INFO L262 CegarLoopResult]: For program point L2525(lines 2525 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,214 INFO L262 CegarLoopResult]: For program point L411(lines 411 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,214 INFO L262 CegarLoopResult]: For program point L4111(lines 4111 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,214 INFO L262 CegarLoopResult]: For program point L1997(lines 1997 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,214 INFO L262 CegarLoopResult]: For program point L676(lines 676 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,214 INFO L262 CegarLoopResult]: For program point L2262(lines 2262 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,214 INFO L262 CegarLoopResult]: For program point L941(lines 941 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,214 INFO L262 CegarLoopResult]: For program point L1734(lines 1734 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,214 INFO L262 CegarLoopResult]: For program point L3584(lines 3584 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,214 INFO L262 CegarLoopResult]: For program point L3320(lines 3320 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,214 INFO L262 CegarLoopResult]: For program point L1471(lines 1471 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,214 INFO L262 CegarLoopResult]: For program point L4378(lines 4378 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,214 INFO L262 CegarLoopResult]: For program point L1207(lines 1207 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,214 INFO L262 CegarLoopResult]: For program point L3057(lines 3057 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,214 INFO L262 CegarLoopResult]: For program point L3850(lines 3850 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,214 INFO L262 CegarLoopResult]: For program point L151(lines 151 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,215 INFO L262 CegarLoopResult]: For program point L2794(lines 2794 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,215 INFO L262 CegarLoopResult]: For program point L416(lines 416 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,215 INFO L262 CegarLoopResult]: For program point L4116(lines 4116 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,215 INFO L262 CegarLoopResult]: For program point L2531(lines 2531 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,215 INFO L262 CegarLoopResult]: For program point L946(lines 946 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,215 INFO L262 CegarLoopResult]: For program point L682(lines 682 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,215 INFO L262 CegarLoopResult]: For program point L2004(lines 2004 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,215 INFO L262 CegarLoopResult]: For program point L3590(lines 3590 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,215 INFO L262 CegarLoopResult]: For program point L2269(lines 2269 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,215 INFO L262 CegarLoopResult]: For program point L3062(lines 3062 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,215 INFO L262 CegarLoopResult]: For program point L1477(lines 1477 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,215 INFO L262 CegarLoopResult]: For program point L3327(lines 3327 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,215 INFO L262 CegarLoopResult]: For program point L4384(lines 4384 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,215 INFO L262 CegarLoopResult]: For program point L1213(lines 1213 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,215 INFO L262 CegarLoopResult]: For program point L3856(lines 3856 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,215 INFO L262 CegarLoopResult]: For program point L1742(lines 1742 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,215 INFO L262 CegarLoopResult]: For program point L157(lines 157 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,215 INFO L262 CegarLoopResult]: For program point L422(lines 422 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,215 INFO L262 CegarLoopResult]: For program point L4122(lines 4122 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,215 INFO L262 CegarLoopResult]: For program point L2801(lines 2801 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,215 INFO L262 CegarLoopResult]: For program point L2273(lines 2273 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,215 INFO L262 CegarLoopResult]: For program point L2009(lines 2009 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,215 INFO L262 CegarLoopResult]: For program point L952(lines 952 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,215 INFO L262 CegarLoopResult]: For program point L1481(lines 1481 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,215 INFO L262 CegarLoopResult]: For program point L689(lines 689 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,215 INFO L262 CegarLoopResult]: For program point L2539(lines 2539 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,215 INFO L262 CegarLoopResult]: For program point L1218(lines 1218 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,215 INFO L262 CegarLoopResult]: For program point L161(lines 161 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,215 INFO L262 CegarLoopResult]: For program point L3068(lines 3068 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,215 INFO L262 CegarLoopResult]: For program point L3862(lines 3862 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,216 INFO L262 CegarLoopResult]: For program point L1748(lines 1748 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,216 INFO L262 CegarLoopResult]: For program point L3598(lines 3598 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,216 INFO L262 CegarLoopResult]: For program point L1484(lines 1484 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,216 INFO L262 CegarLoopResult]: For program point L3334(lines 3334 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,216 INFO L262 CegarLoopResult]: For program point L2806(lines 2806 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,216 INFO L262 CegarLoopResult]: For program point L2278(lines 2278 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,216 INFO L262 CegarLoopResult]: For program point L4392(lines 4392 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,216 INFO L262 CegarLoopResult]: For program point L4128(lines 4128 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,216 INFO L262 CegarLoopResult]: For program point L429(lines 429 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,216 INFO L262 CegarLoopResult]: For program point L165(lines 165 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,216 INFO L262 CegarLoopResult]: For program point L694(lines 694 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,216 INFO L262 CegarLoopResult]: For program point L2016(lines 2016 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,216 INFO L262 CegarLoopResult]: For program point L2545(lines 2545 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,216 INFO L262 CegarLoopResult]: For program point L1224(lines 1224 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,216 INFO L262 CegarLoopResult]: For program point L960(lines 960 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,216 INFO L262 CegarLoopResult]: For program point L3867(lines 3867 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,216 INFO L262 CegarLoopResult]: For program point L3603(lines 3603 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,216 INFO L262 CegarLoopResult]: For program point L3075(lines 3075 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,216 INFO L262 CegarLoopResult]: For program point L2811(lines 2811 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,216 INFO L262 CegarLoopResult]: For program point L3340(lines 3340 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,216 INFO L262 CegarLoopResult]: For program point L4397(lines 4397 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,216 INFO L262 CegarLoopResult]: For program point L1755(lines 1755 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,216 INFO L262 CegarLoopResult]: For program point L1491(lines 1491 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,216 INFO L262 CegarLoopResult]: For program point L434(lines 434 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,216 INFO L262 CegarLoopResult]: For program point L170(lines 170 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,216 INFO L262 CegarLoopResult]: For program point L4135(lines 4135 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,216 INFO L262 CegarLoopResult]: For program point L2286(lines 2286 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,216 INFO L262 CegarLoopResult]: For program point L2022(lines 2022 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,216 INFO L262 CegarLoopResult]: For program point L701(lines 701 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,216 INFO L262 CegarLoopResult]: For program point L2551(lines 2551 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,217 INFO L262 CegarLoopResult]: For program point L966(lines 966 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,217 INFO L262 CegarLoopResult]: For program point L1231(lines 1231 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,217 INFO L262 CegarLoopResult]: For program point L3081(lines 3081 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,217 INFO L262 CegarLoopResult]: For program point L3874(lines 3874 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,217 INFO L262 CegarLoopResult]: For program point L3610(lines 3610 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,217 INFO L262 CegarLoopResult]: For program point L1496(lines 1496 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,217 INFO L262 CegarLoopResult]: For program point L2818(lines 2818 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,217 INFO L262 CegarLoopResult]: For program point L1761(lines 1761 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,217 INFO L262 CegarLoopResult]: For program point L440(lines 440 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,217 INFO L262 CegarLoopResult]: For program point L3347(lines 3347 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,217 INFO L262 CegarLoopResult]: For program point L4404(lines 4404 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,217 INFO L262 CegarLoopResult]: For program point L176(lines 176 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,217 INFO L262 CegarLoopResult]: For program point L2291(lines 2291 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,217 INFO L262 CegarLoopResult]: For program point L4141(lines 4141 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,217 INFO L262 CegarLoopResult]: For program point L3085(lines 3085 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,217 INFO L262 CegarLoopResult]: For program point L2029(lines 2029 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,217 INFO L262 CegarLoopResult]: For program point L3879(lines 3879 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,217 INFO L262 CegarLoopResult]: For program point L708(lines 708 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,217 INFO L262 CegarLoopResult]: For program point L2558(lines 2558 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,217 INFO L262 CegarLoopResult]: For program point L4408(lines 4408 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,217 INFO L262 CegarLoopResult]: For program point L1237(lines 1237 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,217 INFO L262 CegarLoopResult]: For program point L973(lines 973 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,217 INFO L262 CegarLoopResult]: For program point L3617(lines 3617 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,217 INFO L262 CegarLoopResult]: For program point L1503(lines 1503 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,217 INFO L262 CegarLoopResult]: For program point L446(lines 446 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,217 INFO L262 CegarLoopResult]: For program point L2825(lines 2825 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,217 INFO L262 CegarLoopResult]: For program point L3354(lines 3354 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,217 INFO L262 CegarLoopResult]: For program point L183(lines 183 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,217 INFO L262 CegarLoopResult]: For program point L2033(lines 2033 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,218 INFO L262 CegarLoopResult]: For program point L1769(lines 1769 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,218 INFO L262 CegarLoopResult]: For program point L2298(lines 2298 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,218 INFO L262 CegarLoopResult]: For program point L4148(lines 4148 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,218 INFO L262 CegarLoopResult]: For program point L3091(lines 3091 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,218 INFO L262 CegarLoopResult]: For program point L1242(lines 1242 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,218 INFO L262 CegarLoopResult]: For program point L978(lines 978 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,218 INFO L262 CegarLoopResult]: For program point L714(lines 714 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,218 INFO L262 CegarLoopResult]: For program point L2564(lines 2564 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,218 INFO L262 CegarLoopResult]: For program point L450(lines 450 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,218 INFO L262 CegarLoopResult]: For program point L3886(lines 3886 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,218 INFO L262 CegarLoopResult]: For program point L3622(lines 3622 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,218 INFO L262 CegarLoopResult]: For program point L4415(lines 4415 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,218 INFO L262 CegarLoopResult]: For program point L3359(lines 3359 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,218 INFO L262 CegarLoopResult]: For program point L1510(lines 1510 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,218 INFO L262 CegarLoopResult]: For program point L1246(lines 1246 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,218 INFO L262 CegarLoopResult]: For program point L2303(lines 2303 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,218 INFO L262 CegarLoopResult]: For program point L189(lines 189 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,218 INFO L262 CegarLoopResult]: For program point L2039(lines 2039 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,218 INFO L262 CegarLoopResult]: For program point L2832(lines 2832 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,218 INFO L262 CegarLoopResult]: For program point L454(lines 454 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,218 INFO L262 CegarLoopResult]: For program point L3097(lines 3097 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,218 INFO L262 CegarLoopResult]: For program point L1776(lines 1776 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,218 INFO L262 CegarLoopResult]: For program point L4155(lines 4155 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,218 INFO L262 CegarLoopResult]: For program point L457(lines 457 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,218 INFO L262 CegarLoopResult]: For program point L986(lines 986 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,218 INFO L262 CegarLoopResult]: For program point L3893(lines 3893 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,218 INFO L262 CegarLoopResult]: For program point L722(lines 722 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,218 INFO L262 CegarLoopResult]: For program point L2572(lines 2572 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,218 INFO L262 CegarLoopResult]: For program point L3629(lines 3629 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,218 INFO L262 CegarLoopResult]: For program point L3365(lines 3365 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,219 INFO L262 CegarLoopResult]: For program point L1516(lines 1516 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,219 INFO L262 CegarLoopResult]: For program point L4423(lines 4423 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,219 INFO L262 CegarLoopResult]: For program point L1252(lines 1252 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,219 INFO L262 CegarLoopResult]: For program point L2309(lines 2309 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,219 INFO L262 CegarLoopResult]: For program point L195(lines 195 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,219 INFO L262 CegarLoopResult]: For program point L3102(lines 3102 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,219 INFO L262 CegarLoopResult]: For program point L2045(lines 2045 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,219 INFO L262 CegarLoopResult]: For program point L1781(lines 1781 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,219 INFO L262 CegarLoopResult]: For program point L2574(lines 2574 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,219 INFO L262 CegarLoopResult]: For program point L2839(lines 2839 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,219 INFO L262 CegarLoopResult]: For program point L3897(lines 3897 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,219 INFO L262 CegarLoopResult]: For program point L4162(lines 4162 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,219 INFO L262 CegarLoopResult]: For program point L3370(lines 3370 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,219 INFO L262 CegarLoopResult]: For program point L992(lines 992 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,219 INFO L262 CegarLoopResult]: For program point L464(lines 464 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,219 INFO L262 CegarLoopResult]: For program point L2314(lines 2314 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,219 INFO L262 CegarLoopResult]: For program point L4428(lines 4428 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,219 INFO L262 CegarLoopResult]: For program point L3900(lines 3900 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,219 INFO L262 CegarLoopResult]: For program point L1786(lines 1786 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,219 INFO L262 CegarLoopResult]: For program point L729(lines 729 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,219 INFO L262 CegarLoopResult]: For program point L3636(lines 3636 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,219 INFO L262 CegarLoopResult]: For program point L1522(lines 1522 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,219 INFO L262 CegarLoopResult]: For program point L2051(lines 2051 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,219 INFO L262 CegarLoopResult]: For program point L2844(lines 2844 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,219 INFO L262 CegarLoopResult]: For program point L1259(lines 1259 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,219 INFO L262 CegarLoopResult]: For program point L202(lines 202 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,219 INFO L262 CegarLoopResult]: For program point L2581(lines 2581 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,219 INFO L262 CegarLoopResult]: For program point L3110(lines 3110 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,219 INFO L262 CegarLoopResult]: For program point L4168(lines 4168 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,220 INFO L262 CegarLoopResult]: For program point L998(lines 998 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,220 INFO L262 CegarLoopResult]: For program point L734(lines 734 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,220 INFO L262 CegarLoopResult]: For program point L3641(lines 3641 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,220 INFO L262 CegarLoopResult]: For program point L1527(lines 1527 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,220 INFO L262 CegarLoopResult]: For program point L4434(lines 4434 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,220 INFO L262 CegarLoopResult]: For program point L2320(lines 2320 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,220 INFO L262 CegarLoopResult]: For program point L3377(lines 3377 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,220 INFO L262 CegarLoopResult]: For program point L3906(lines 3906 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,220 INFO L262 CegarLoopResult]: For program point L471(lines 471 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,220 INFO L262 CegarLoopResult]: For program point L2057(lines 2057 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,220 INFO L262 CegarLoopResult]: For program point L2850(lines 2850 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,220 INFO L262 CegarLoopResult]: For program point L1793(lines 1793 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,220 INFO L262 CegarLoopResult]: For program point L1265(lines 1265 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,220 INFO L262 CegarLoopResult]: For program point L208(lines 208 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,220 INFO L262 CegarLoopResult]: For program point L738(lines 738 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,220 INFO L262 CegarLoopResult]: For program point L2588(lines 2588 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,220 INFO L262 CegarLoopResult]: For program point L4438(lines 4438 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,220 INFO L262 CegarLoopResult]: For program point L4174(lines 4174 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,220 INFO L262 CegarLoopResult]: For program point L3117(lines 3117 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,220 INFO L262 CegarLoopResult]: For program point L3646(lines 3646 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,220 INFO L262 CegarLoopResult]: For program point L1005(lines 1005 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,220 INFO L262 CegarLoopResult]: For program point L1534(lines 1534 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,220 INFO L262 CegarLoopResult]: For program point L477(lines 477 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,220 INFO L262 CegarLoopResult]: For program point L3384(lines 3384 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,220 INFO L262 CegarLoopResult]: For program point L2327(lines 2327 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,220 INFO L262 CegarLoopResult]: For program point L2856(lines 2856 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,220 INFO L262 CegarLoopResult]: For program point L3913(lines 3913 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,220 INFO L262 CegarLoopResult]: For program point L1271(lines 1271 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,220 INFO L262 CegarLoopResult]: For program point L214(lines 214 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,220 INFO L262 CegarLoopResult]: For program point L1800(lines 1800 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,221 INFO L262 CegarLoopResult]: For program point L2593(lines 2593 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,221 INFO L262 CegarLoopResult]: For program point L4443(lines 4443 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,221 INFO L262 CegarLoopResult]: For program point L2065(lines 2065 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,221 INFO L262 CegarLoopResult]: For program point L744(lines 744 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,221 INFO L262 CegarLoopResult]: For program point L3651(lines 3651 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,221 INFO L262 CegarLoopResult]: For program point L4180(lines 4180 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,221 INFO L262 CegarLoopResult]: For program point L3916(lines 3916 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,221 INFO L262 CegarLoopResult]: For program point L3124(lines 3124 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,221 INFO L262 CegarLoopResult]: For program point L482(lines 482 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,221 INFO L262 CegarLoopResult]: For program point L1011(lines 1011 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,221 INFO L262 CegarLoopResult]: For program point L1540(lines 1540 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,221 INFO L262 CegarLoopResult]: For program point L1276(lines 1276 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,221 INFO L262 CegarLoopResult]: For program point L2862(lines 2862 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,221 INFO L262 CegarLoopResult]: For program point L2334(lines 2334 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,221 INFO L262 CegarLoopResult]: For program point L3391(lines 3391 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,221 INFO L262 CegarLoopResult]: For program point L4448(lines 4448 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,221 INFO L262 CegarLoopResult]: For program point L220(lines 220 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,221 INFO L262 CegarLoopResult]: For program point L4184(lines 4184 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,221 INFO L262 CegarLoopResult]: For program point L2599(lines 2599 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,221 INFO L262 CegarLoopResult]: For program point L1807(lines 1807 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,221 INFO L262 CegarLoopResult]: For program point L750(lines 750 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,221 INFO L262 CegarLoopResult]: For program point L2072(lines 2072 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,221 INFO L262 CegarLoopResult]: For program point L3129(lines 3129 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,221 INFO L262 CegarLoopResult]: For program point L3922(lines 3922 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,221 INFO L262 CegarLoopResult]: For program point L3658(lines 3658 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,221 INFO L262 CegarLoopResult]: For program point L488(lines 488 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,221 INFO L262 CegarLoopResult]: For program point L1546(lines 1546 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,221 INFO L262 CegarLoopResult]: For program point L3396(lines 3396 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,221 INFO L262 CegarLoopResult]: For program point L4453(lines 4453 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,222 INFO L262 CegarLoopResult]: For program point L1282(lines 1282 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,222 INFO L262 CegarLoopResult]: For program point L1018(lines 1018 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,222 INFO L262 CegarLoopResult]: For program point L2868(lines 2868 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,222 INFO L262 CegarLoopResult]: For program point L2340(lines 2340 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,222 INFO L262 CegarLoopResult]: For program point L1812(lines 1812 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,222 INFO L262 CegarLoopResult]: For program point L227(lines 227 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,222 INFO L262 CegarLoopResult]: For program point L4191(lines 4191 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,222 INFO L262 CegarLoopResult]: For program point L756(lines 756 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,222 INFO L262 CegarLoopResult]: For program point L2078(lines 2078 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,222 INFO L262 CegarLoopResult]: For program point L3135(lines 3135 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,222 INFO L262 CegarLoopResult]: For program point L2607(lines 2607 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,222 INFO L262 CegarLoopResult]: For program point L3929(lines 3929 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,222 INFO L262 CegarLoopResult]: For program point L3665(lines 3665 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,222 INFO L262 CegarLoopResult]: For program point L1551(lines 1551 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,222 INFO L262 CegarLoopResult]: For program point L4458(lines 4458 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,222 INFO L262 CegarLoopResult]: For program point L1287(lines 1287 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,222 INFO L262 CegarLoopResult]: For program point L1023(lines 1023 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,222 INFO L262 CegarLoopResult]: For program point L495(lines 495 1382) no Hoare annotation was computed. [2020-12-09 20:49:21,222 INFO L262 CegarLoopResult]: For program point L2346(lines 2346 2719) no Hoare annotation was computed. [2020-12-09 20:49:21,222 INFO L262 CegarLoopResult]: For program point L3403(lines 3403 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,222 INFO L262 CegarLoopResult]: For program point L4196(lines 4196 4633) no Hoare annotation was computed. [2020-12-09 20:49:21,222 INFO L262 CegarLoopResult]: For program point L2875(lines 2875 4081) no Hoare annotation was computed. [2020-12-09 20:49:21,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 08:49:21 BoogieIcfgContainer [2020-12-09 20:49:21,247 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 20:49:21,247 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 20:49:21,247 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 20:49:21,247 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 20:49:21,247 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:45:01" (3/4) ... [2020-12-09 20:49:21,250 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 20:49:21,297 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 106 nodes and edges [2020-12-09 20:49:21,305 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2020-12-09 20:49:21,313 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-12-09 20:49:21,321 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-12-09 20:49:21,585 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b34bd9c8-d40f-46f1-b031-af9f72496a05/bin/utaipan/witness.graphml [2020-12-09 20:49:21,585 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 20:49:21,586 INFO L168 Benchmark]: Toolchain (without parser) took 264618.75 ms. Allocated memory was 109.1 MB in the beginning and 5.6 GB in the end (delta: 5.5 GB). Free memory was 78.6 MB in the beginning and 2.0 GB in the end (delta: -1.9 GB). Peak memory consumption was 3.5 GB. Max. memory is 16.1 GB. [2020-12-09 20:49:21,586 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 109.1 MB. Free memory is still 88.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 20:49:21,586 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1409.67 ms. Allocated memory was 109.1 MB in the beginning and 161.5 MB in the end (delta: 52.4 MB). Free memory was 78.2 MB in the beginning and 94.6 MB in the end (delta: -16.5 MB). Peak memory consumption was 102.3 MB. Max. memory is 16.1 GB. [2020-12-09 20:49:21,586 INFO L168 Benchmark]: Boogie Procedure Inliner took 197.65 ms. Allocated memory is still 161.5 MB. Free memory was 94.6 MB in the beginning and 89.3 MB in the end (delta: 5.3 MB). Peak memory consumption was 60.3 MB. Max. memory is 16.1 GB. [2020-12-09 20:49:21,587 INFO L168 Benchmark]: Boogie Preprocessor took 122.78 ms. Allocated memory is still 161.5 MB. Free memory was 89.3 MB in the beginning and 60.9 MB in the end (delta: 28.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2020-12-09 20:49:21,587 INFO L168 Benchmark]: RCFGBuilder took 3117.09 ms. Allocated memory was 161.5 MB in the beginning and 369.1 MB in the end (delta: 207.6 MB). Free memory was 60.9 MB in the beginning and 141.5 MB in the end (delta: -80.6 MB). Peak memory consumption was 133.3 MB. Max. memory is 16.1 GB. [2020-12-09 20:49:21,587 INFO L168 Benchmark]: TraceAbstraction took 259426.78 ms. Allocated memory was 369.1 MB in the beginning and 5.6 GB in the end (delta: 5.2 GB). Free memory was 140.4 MB in the beginning and 2.1 GB in the end (delta: -2.0 GB). Peak memory consumption was 4.6 GB. Max. memory is 16.1 GB. [2020-12-09 20:49:21,587 INFO L168 Benchmark]: Witness Printer took 338.14 ms. Allocated memory is still 5.6 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 114.3 MB). Peak memory consumption was 113.2 MB. Max. memory is 16.1 GB. [2020-12-09 20:49:21,589 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 109.1 MB. Free memory is still 88.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1409.67 ms. Allocated memory was 109.1 MB in the beginning and 161.5 MB in the end (delta: 52.4 MB). Free memory was 78.2 MB in the beginning and 94.6 MB in the end (delta: -16.5 MB). Peak memory consumption was 102.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 197.65 ms. Allocated memory is still 161.5 MB. Free memory was 94.6 MB in the beginning and 89.3 MB in the end (delta: 5.3 MB). Peak memory consumption was 60.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 122.78 ms. Allocated memory is still 161.5 MB. Free memory was 89.3 MB in the beginning and 60.9 MB in the end (delta: 28.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3117.09 ms. Allocated memory was 161.5 MB in the beginning and 369.1 MB in the end (delta: 207.6 MB). Free memory was 60.9 MB in the beginning and 141.5 MB in the end (delta: -80.6 MB). Peak memory consumption was 133.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 259426.78 ms. Allocated memory was 369.1 MB in the beginning and 5.6 GB in the end (delta: 5.2 GB). Free memory was 140.4 MB in the beginning and 2.1 GB in the end (delta: -2.0 GB). Peak memory consumption was 4.6 GB. Max. memory is 16.1 GB. * Witness Printer took 338.14 ms. Allocated memory is still 5.6 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 114.3 MB). Peak memory consumption was 113.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4815]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 4826]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((a28 <= 16 && a26 <= 17) && a3 == 1) || (((a26 == 18 && a4 <= 17) && 17 <= a4) && a3 == 1)) || (((a4 <= 17 && a14 <= 19) && 17 <= a4) && a3 <= 0)) || ((17 <= a28 && 17 <= a4) && a3 == 1)) || (((a14 <= 19 && 19 <= a26) && 17 <= a4) && a3 == 1)) || (((a28 <= 16 && a26 <= 17) && a4 <= 16) && a3 <= 0)) || (((a7 == 1 && 17 <= a28) && a4 <= 16) && a3 <= 0)) || ((a28 <= 16 && a7 == 1) && a3 == 1)) || ((a26 == 18 && a14 == 18) && a3 <= 0)) || ((a14 <= 19 && a7 == 1) && a3 == 1)) || (((a28 <= 16 && 19 <= a26) && 17 <= a4) && a3 <= 0)) || (((a28 <= 16 && a7 == 1) && a26 <= 18) && a3 <= 0)) || ((((a26 == 18 && a28 <= 16) && a14 <= 19) && 17 <= a4) && a3 <= 0)) || (a28 <= 15 && a3 <= 0)) || (((a14 <= 19 && a26 <= 17) && a4 <= 16) && a3 <= 0)) || (((a26 == 18 && 17 <= a28) && a4 <= 16) && a3 <= 0)) || (((a26 == 18 && a14 <= 19) && a7 == 1) && a3 <= 0)) || (((a4 <= 17 && a26 <= 17) && 17 <= a4) && a3 <= 0)) || ((((a4 <= 17 && a7 == 1) && 19 <= a26) && 17 <= a4) && a3 <= 0)) || ((17 <= a28 && 19 <= a26) && a3 == 1)) || (((a26 == 18 && a4 <= 17) && a14 <= 19) && a3 == 1)) || (a14 == 18 && a3 == 1)) || (((a28 <= 15 && 19 <= a26) && 17 <= a4) && a3 == 1)) || ((17 <= a28 && a14 == 18) && a3 <= 0)) || (((a26 == 18 && a28 <= 15) && a4 <= 16) && a3 == 1)) || (((a14 <= 19 && a7 == 1) && a4 <= 16) && a3 <= 0) - InvariantResult [Line: 4820]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((a28 <= 16 && a26 <= 17) && a3 == 1) || (((a26 == 18 && a4 <= 17) && 17 <= a4) && a3 == 1)) || (((a4 <= 17 && a14 <= 19) && 17 <= a4) && a3 <= 0)) || ((17 <= a28 && 17 <= a4) && a3 == 1)) || (((a14 <= 19 && 19 <= a26) && 17 <= a4) && a3 == 1)) || (((a28 <= 16 && a26 <= 17) && a4 <= 16) && a3 <= 0)) || (((a7 == 1 && 17 <= a28) && a4 <= 16) && a3 <= 0)) || ((a28 <= 16 && a7 == 1) && a3 == 1)) || ((a26 == 18 && a14 == 18) && a3 <= 0)) || ((a14 <= 19 && a7 == 1) && a3 == 1)) || (((a28 <= 16 && 19 <= a26) && 17 <= a4) && a3 <= 0)) || (((a28 <= 16 && a7 == 1) && a26 <= 18) && a3 <= 0)) || ((((a26 == 18 && a28 <= 16) && a14 <= 19) && 17 <= a4) && a3 <= 0)) || (a28 <= 15 && a3 <= 0)) || (((a14 <= 19 && a26 <= 17) && a4 <= 16) && a3 <= 0)) || (((a26 == 18 && 17 <= a28) && a4 <= 16) && a3 <= 0)) || (((a26 == 18 && a14 <= 19) && a7 == 1) && a3 <= 0)) || (((a4 <= 17 && a26 <= 17) && 17 <= a4) && a3 <= 0)) || ((((a4 <= 17 && a7 == 1) && 19 <= a26) && 17 <= a4) && a3 <= 0)) || ((17 <= a28 && 19 <= a26) && a3 == 1)) || (((a26 == 18 && a4 <= 17) && a14 <= 19) && a3 == 1)) || (a14 == 18 && a3 == 1)) || (((a28 <= 15 && 19 <= a26) && 17 <= a4) && a3 == 1)) || ((17 <= a28 && a14 == 18) && a3 <= 0)) || (((a26 == 18 && a28 <= 15) && a4 <= 16) && a3 == 1)) || (((a14 <= 19 && a7 == 1) && a4 <= 16) && a3 <= 0) - InvariantResult [Line: 1385]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((a28 <= 16 && a26 <= 17) && a3 == 1) || (((a4 <= 17 && a14 <= 19) && 17 <= a4) && a3 <= 0)) || ((17 <= a28 && 17 <= a4) && a3 == 1)) || (((a14 <= 19 && 19 <= a26) && 17 <= a4) && a3 == 1)) || (((a28 <= 16 && a26 <= 17) && a4 <= 16) && a3 <= 0)) || (((a7 == 1 && 17 <= a28) && a4 <= 16) && a3 <= 0)) || (((a4 <= 17 && a26 == 18) && 17 <= a4) && a3 == 1)) || ((a28 <= 16 && a7 == 1) && a3 == 1)) || ((a26 == 18 && a14 == 18) && a3 <= 0)) || ((a14 <= 19 && a7 == 1) && a3 == 1)) || (((a28 <= 16 && 19 <= a26) && 17 <= a4) && a3 <= 0)) || (((a28 <= 16 && a7 == 1) && a26 <= 18) && a3 <= 0)) || ((((a26 == 18 && a28 <= 16) && a14 <= 19) && 17 <= a4) && a3 <= 0)) || (a28 <= 15 && a3 <= 0)) || (((a14 <= 19 && a26 <= 17) && a4 <= 16) && a3 <= 0)) || (((a26 == 18 && 17 <= a28) && a4 <= 16) && a3 <= 0)) || (((a26 == 18 && a14 <= 19) && a7 == 1) && a3 <= 0)) || (((a4 <= 17 && a26 <= 17) && 17 <= a4) && a3 <= 0)) || ((((a4 <= 17 && a7 == 1) && 19 <= a26) && 17 <= a4) && a3 <= 0)) || ((17 <= a28 && 19 <= a26) && a3 == 1)) || (((a26 == 18 && a4 <= 17) && a14 <= 19) && a3 == 1)) || (a14 == 18 && a3 == 1)) || (((a28 <= 15 && 19 <= a26) && 17 <= a4) && a3 == 1)) || ((17 <= a28 && a14 == 18) && a3 <= 0)) || (((a26 == 18 && a28 <= 15) && a4 <= 16) && a3 == 1)) || (((a14 <= 19 && a7 == 1) && a4 <= 16) && a3 <= 0) - InvariantResult [Line: 2722]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((a28 <= 16 && a26 <= 17) && a3 == 1) || (((a4 <= 17 && a14 <= 19) && 17 <= a4) && a3 <= 0)) || ((17 <= a28 && 17 <= a4) && a3 == 1)) || (((a14 <= 19 && 19 <= a26) && 17 <= a4) && a3 == 1)) || (((a28 <= 16 && a26 <= 17) && a4 <= 16) && a3 <= 0)) || (((a7 == 1 && 17 <= a28) && a4 <= 16) && a3 <= 0)) || (((a4 <= 17 && a26 == 18) && 17 <= a4) && a3 == 1)) || ((a28 <= 16 && a7 == 1) && a3 == 1)) || ((a26 == 18 && a14 == 18) && a3 <= 0)) || ((a14 <= 19 && a7 == 1) && a3 == 1)) || (((a28 <= 16 && 19 <= a26) && 17 <= a4) && a3 <= 0)) || (((a28 <= 16 && a7 == 1) && a26 <= 18) && a3 <= 0)) || (((a26 == 18 && a14 <= 19) && a4 <= 16) && a3 == 1)) || ((((a26 == 18 && a28 <= 16) && a14 <= 19) && 17 <= a4) && a3 <= 0)) || (a28 <= 15 && a3 <= 0)) || (((a14 <= 19 && a26 <= 17) && a4 <= 16) && a3 <= 0)) || (((a26 == 18 && 17 <= a28) && a4 <= 16) && a3 <= 0)) || (((a26 == 18 && a14 <= 19) && a7 == 1) && a3 <= 0)) || (((a4 <= 17 && a26 <= 17) && 17 <= a4) && a3 <= 0)) || ((((a4 <= 17 && a7 == 1) && 19 <= a26) && 17 <= a4) && a3 <= 0)) || ((17 <= a28 && 19 <= a26) && a3 == 1)) || (a14 == 18 && a3 == 1)) || (((a28 <= 15 && 19 <= a26) && 17 <= a4) && a3 == 1)) || ((17 <= a28 && a14 == 18) && a3 <= 0)) || (((a26 == 18 && a28 <= 15) && a4 <= 16) && a3 == 1)) || (((a14 <= 19 && a7 == 1) && a4 <= 16) && a3 <= 0) - InvariantResult [Line: 4084]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((a28 <= 16 && a26 <= 17) && a3 == 1) || (((a4 <= 17 && a14 <= 19) && 17 <= a4) && a3 <= 0)) || ((17 <= a28 && 17 <= a4) && a3 == 1)) || (((a14 <= 19 && 19 <= a26) && 17 <= a4) && a3 == 1)) || (((a28 <= 16 && a26 <= 17) && a4 <= 16) && a3 <= 0)) || (((a7 == 1 && 17 <= a28) && a4 <= 16) && a3 <= 0)) || (((a4 <= 17 && a26 == 18) && 17 <= a4) && a3 == 1)) || ((a28 <= 16 && a7 == 1) && a3 == 1)) || ((a26 == 18 && a14 == 18) && a3 <= 0)) || ((a14 <= 19 && a7 == 1) && a3 == 1)) || (((a28 <= 16 && 19 <= a26) && 17 <= a4) && a3 <= 0)) || (((a28 <= 16 && a7 == 1) && a26 <= 18) && a3 <= 0)) || (((a26 == 18 && a14 <= 19) && a4 <= 16) && a3 == 1)) || ((((a26 == 18 && a28 <= 16) && a14 <= 19) && 17 <= a4) && a3 <= 0)) || (a28 <= 15 && a3 <= 0)) || (((a14 <= 19 && a26 <= 17) && a4 <= 16) && a3 <= 0)) || (((a26 == 18 && 17 <= a28) && a4 <= 16) && a3 <= 0)) || (((a26 == 18 && a14 <= 19) && a7 == 1) && a3 <= 0)) || (((a4 <= 17 && a26 <= 17) && 17 <= a4) && a3 <= 0)) || ((((a4 <= 17 && a7 == 1) && 19 <= a26) && 17 <= a4) && a3 <= 0)) || ((17 <= a28 && 19 <= a26) && a3 == 1)) || (a14 == 18 && a3 == 1)) || (((a28 <= 15 && 19 <= a26) && 17 <= a4) && a3 == 1)) || ((17 <= a28 && a14 == 18) && a3 <= 0)) || (((a26 == 18 && a28 <= 15) && a4 <= 16) && a3 == 1)) || (((a14 <= 19 && a7 == 1) && a4 <= 16) && a3 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 763 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 250.5s, OverallIterations: 21, TraceHistogramMax: 18, AutomataDifference: 73.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 15288 SDtfs, 19167 SDslu, 3240 SDs, 0 SdLazy, 59166 SolverSat, 15976 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 45.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31670 GetRequests, 31606 SyntacticMatches, 4 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=109913occurred in iteration=18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 11.3s AutomataMinimizationTime, 21 MinimizatonAttempts, 55869 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 798 NumberOfFragments, 1561 HoareAnnotationTreeSize, 6 FomulaSimplifications, 166595 FormulaSimplificationTreeSizeReduction, 2.7s HoareSimplificationTime, 6 FomulaSimplificationsInter, 18788 FormulaSimplificationTreeSizeReductionInter, 5.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.8s SsaConstructionTime, 4.0s SatisfiabilityAnalysisTime, 86.8s InterpolantComputationTime, 54460 NumberOfCodeBlocks, 54460 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 70228 ConstructedInterpolants, 0 QuantifiedInterpolants, 392429817 SizeOfPredicates, 0 NumberOfNonLiveVariables, 18502 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 31 InterpolantComputations, 26 PerfectInterpolantSequences, 172227/173358 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...