./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem04_label44.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_8cf54ac1-7295-4c5f-a086-7a4c15dd4975/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8cf54ac1-7295-4c5f-a086-7a4c15dd4975/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8cf54ac1-7295-4c5f-a086-7a4c15dd4975/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8cf54ac1-7295-4c5f-a086-7a4c15dd4975/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem04_label44.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8cf54ac1-7295-4c5f-a086-7a4c15dd4975/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8cf54ac1-7295-4c5f-a086-7a4c15dd4975/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 18b51fb50f90ac390668c0b45bfef17635235eda ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 20:38:46,687 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 20:38:46,688 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 20:38:46,718 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 20:38:46,718 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 20:38:46,720 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 20:38:46,721 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 20:38:46,732 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 20:38:46,735 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 20:38:46,736 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 20:38:46,737 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 20:38:46,739 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 20:38:46,739 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 20:38:46,740 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 20:38:46,742 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 20:38:46,743 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 20:38:46,744 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 20:38:46,745 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 20:38:46,747 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 20:38:46,749 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 20:38:46,751 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 20:38:46,752 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 20:38:46,753 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 20:38:46,754 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 20:38:46,757 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 20:38:46,758 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 20:38:46,758 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 20:38:46,759 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 20:38:46,760 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 20:38:46,761 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 20:38:46,761 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 20:38:46,762 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 20:38:46,763 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 20:38:46,763 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 20:38:46,764 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 20:38:46,764 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 20:38:46,765 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 20:38:46,765 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 20:38:46,765 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 20:38:46,765 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 20:38:46,766 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 20:38:46,767 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8cf54ac1-7295-4c5f-a086-7a4c15dd4975/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 20:38:46,789 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 20:38:46,789 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 20:38:46,790 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 20:38:46,790 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 20:38:46,790 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 20:38:46,791 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 20:38:46,791 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 20:38:46,791 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 20:38:46,791 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 20:38:46,791 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 20:38:46,791 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 20:38:46,792 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 20:38:46,792 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 20:38:46,792 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 20:38:46,792 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 20:38:46,793 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 20:38:46,793 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 20:38:46,793 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 20:38:46,793 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 20:38:46,794 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 20:38:46,794 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 20:38:46,794 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 20:38:46,794 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 20:38:46,794 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 20:38:46,794 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 20:38:46,795 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 20:38:46,795 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 20:38:46,795 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 20:38:46,795 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 20:38:46,795 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 20:38:46,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 20:38:46,796 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 20:38:46,796 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 20:38:46,796 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 20:38:46,796 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 20:38:46,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 20:38:46,797 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 20:38:46,797 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 20:38:46,797 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 20:38:46,797 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_8cf54ac1-7295-4c5f-a086-7a4c15dd4975/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8cf54ac1-7295-4c5f-a086-7a4c15dd4975/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 18b51fb50f90ac390668c0b45bfef17635235eda [2020-12-09 20:38:46,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 20:38:47,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 20:38:47,005 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 20:38:47,006 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 20:38:47,006 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 20:38:47,007 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8cf54ac1-7295-4c5f-a086-7a4c15dd4975/bin/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem04_label44.c [2020-12-09 20:38:47,046 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8cf54ac1-7295-4c5f-a086-7a4c15dd4975/bin/utaipan/data/735ef509f/1b069badc4114b0a9321737d721ead15/FLAGa8f75d12b [2020-12-09 20:38:47,602 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 20:38:47,602 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8cf54ac1-7295-4c5f-a086-7a4c15dd4975/sv-benchmarks/c/eca-rers2012/Problem04_label44.c [2020-12-09 20:38:47,622 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8cf54ac1-7295-4c5f-a086-7a4c15dd4975/bin/utaipan/data/735ef509f/1b069badc4114b0a9321737d721ead15/FLAGa8f75d12b [2020-12-09 20:38:48,081 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8cf54ac1-7295-4c5f-a086-7a4c15dd4975/bin/utaipan/data/735ef509f/1b069badc4114b0a9321737d721ead15 [2020-12-09 20:38:48,084 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 20:38:48,085 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 20:38:48,086 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 20:38:48,086 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 20:38:48,089 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 20:38:48,090 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:38:48" (1/1) ... [2020-12-09 20:38:48,092 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4283c820 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:38:48, skipping insertion in model container [2020-12-09 20:38:48,092 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:38:48" (1/1) ... [2020-12-09 20:38:48,097 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 20:38:48,178 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 20:38:49,067 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_8cf54ac1-7295-4c5f-a086-7a4c15dd4975/sv-benchmarks/c/eca-rers2012/Problem04_label44.c[179919,179932] [2020-12-09 20:38:49,088 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 20:38:49,094 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 20:38:49,519 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_8cf54ac1-7295-4c5f-a086-7a4c15dd4975/sv-benchmarks/c/eca-rers2012/Problem04_label44.c[179919,179932] [2020-12-09 20:38:49,524 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 20:38:49,544 INFO L208 MainTranslator]: Completed translation [2020-12-09 20:38:49,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:38:49 WrapperNode [2020-12-09 20:38:49,544 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 20:38:49,545 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 20:38:49,545 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 20:38:49,545 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 20:38:49,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:38:49" (1/1) ... [2020-12-09 20:38:49,590 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:38:49" (1/1) ... [2020-12-09 20:38:49,717 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 20:38:49,718 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 20:38:49,718 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 20:38:49,718 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 20:38:49,725 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:38:49" (1/1) ... [2020-12-09 20:38:49,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:38:49" (1/1) ... [2020-12-09 20:38:49,744 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:38:49" (1/1) ... [2020-12-09 20:38:49,744 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:38:49" (1/1) ... [2020-12-09 20:38:49,794 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:38:49" (1/1) ... [2020-12-09 20:38:49,843 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:38:49" (1/1) ... [2020-12-09 20:38:49,855 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:38:49" (1/1) ... [2020-12-09 20:38:49,870 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 20:38:49,871 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 20:38:49,871 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 20:38:49,871 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 20:38:49,871 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:38:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8cf54ac1-7295-4c5f-a086-7a4c15dd4975/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 20:38:49,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 20:38:49,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 20:38:49,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 20:38:49,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 20:38:53,530 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 20:38:53,531 INFO L299 CfgBuilder]: Removed 13 assume(true) statements. [2020-12-09 20:38:53,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:38:53 BoogieIcfgContainer [2020-12-09 20:38:53,534 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 20:38:53,535 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 20:38:53,536 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 20:38:53,538 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 20:38:53,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 08:38:48" (1/3) ... [2020-12-09 20:38:53,539 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ab343e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:38:53, skipping insertion in model container [2020-12-09 20:38:53,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:38:49" (2/3) ... [2020-12-09 20:38:53,539 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ab343e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:38:53, skipping insertion in model container [2020-12-09 20:38:53,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:38:53" (3/3) ... [2020-12-09 20:38:53,540 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem04_label44.c [2020-12-09 20:38:53,550 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 20:38:53,553 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 20:38:53,560 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 20:38:53,586 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 20:38:53,586 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 20:38:53,586 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 20:38:53,586 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 20:38:53,586 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 20:38:53,586 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 20:38:53,586 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 20:38:53,586 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 20:38:53,612 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states. [2020-12-09 20:38:53,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 756 [2020-12-09 20:38:53,641 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:38:53,642 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 20:38:53,643 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:38:53,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:38:53,647 INFO L82 PathProgramCache]: Analyzing trace with hash -1870340035, now seen corresponding path program 1 times [2020-12-09 20:38:53,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 20:38:53,653 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869387033] [2020-12-09 20:38:53,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 20:38:53,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:38:54,904 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 20:38:54,904 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869387033] [2020-12-09 20:38:54,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 20:38:54,905 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 20:38:54,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879717989] [2020-12-09 20:38:54,910 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 20:38:54,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 20:38:54,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 20:38:54,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:38:54,920 INFO L87 Difference]: Start difference. First operand 763 states. Second operand 3 states. [2020-12-09 20:38:57,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:38:57,727 INFO L93 Difference]: Finished difference Result 2285 states and 4541 transitions. [2020-12-09 20:38:57,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 20:38:57,728 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 755 [2020-12-09 20:38:57,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:38:57,752 INFO L225 Difference]: With dead ends: 2285 [2020-12-09 20:38:57,752 INFO L226 Difference]: Without dead ends: 1519 [2020-12-09 20:38:57,757 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 20:38:57,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1519 states. [2020-12-09 20:38:57,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1519 to 1519. [2020-12-09 20:38:57,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1519 states. [2020-12-09 20:38:57,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 1519 states and 2563 transitions. [2020-12-09 20:38:57,834 INFO L78 Accepts]: Start accepts. Automaton has 1519 states and 2563 transitions. Word has length 755 [2020-12-09 20:38:57,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:38:57,836 INFO L481 AbstractCegarLoop]: Abstraction has 1519 states and 2563 transitions. [2020-12-09 20:38:57,836 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 20:38:57,836 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 2563 transitions. [2020-12-09 20:38:57,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 767 [2020-12-09 20:38:57,853 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:38:57,854 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 20:38:57,854 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 20:38:57,854 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:38:57,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:38:57,855 INFO L82 PathProgramCache]: Analyzing trace with hash 1942118468, now seen corresponding path program 1 times [2020-12-09 20:38:57,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 20:38:57,855 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417068929] [2020-12-09 20:38:57,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 20:38:57,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:38:58,370 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 20:38:58,370 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417068929] [2020-12-09 20:38:58,370 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 20:38:58,370 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 20:38:58,370 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158803095] [2020-12-09 20:38:58,372 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 20:38:58,372 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 20:38:58,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 20:38:58,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:38:58,373 INFO L87 Difference]: Start difference. First operand 1519 states and 2563 transitions. Second operand 3 states. [2020-12-09 20:39:01,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:39:01,154 INFO L93 Difference]: Finished difference Result 4553 states and 7686 transitions. [2020-12-09 20:39:01,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 20:39:01,154 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 766 [2020-12-09 20:39:01,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:39:01,166 INFO L225 Difference]: With dead ends: 4553 [2020-12-09 20:39:01,166 INFO L226 Difference]: Without dead ends: 3035 [2020-12-09 20:39:01,168 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 20:39:01,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3035 states. [2020-12-09 20:39:01,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3035 to 3035. [2020-12-09 20:39:01,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3035 states. [2020-12-09 20:39:01,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3035 states to 3035 states and 4488 transitions. [2020-12-09 20:39:01,214 INFO L78 Accepts]: Start accepts. Automaton has 3035 states and 4488 transitions. Word has length 766 [2020-12-09 20:39:01,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:39:01,215 INFO L481 AbstractCegarLoop]: Abstraction has 3035 states and 4488 transitions. [2020-12-09 20:39:01,215 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 20:39:01,215 INFO L276 IsEmpty]: Start isEmpty. Operand 3035 states and 4488 transitions. [2020-12-09 20:39:01,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 813 [2020-12-09 20:39:01,222 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:39:01,223 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:39:01,223 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-09 20:39:01,223 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:39:01,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:39:01,224 INFO L82 PathProgramCache]: Analyzing trace with hash -474526957, now seen corresponding path program 1 times [2020-12-09 20:39:01,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 20:39:01,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048897594] [2020-12-09 20:39:01,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 20:39:01,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:39:01,798 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-09 20:39:01,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048897594] [2020-12-09 20:39:01,799 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 20:39:01,799 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 20:39:01,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831584388] [2020-12-09 20:39:01,800 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 20:39:01,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 20:39:01,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 20:39:01,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:39:01,801 INFO L87 Difference]: Start difference. First operand 3035 states and 4488 transitions. Second operand 3 states. [2020-12-09 20:39:04,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:39:04,439 INFO L93 Difference]: Finished difference Result 9101 states and 13461 transitions. [2020-12-09 20:39:04,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 20:39:04,439 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 812 [2020-12-09 20:39:04,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:39:04,460 INFO L225 Difference]: With dead ends: 9101 [2020-12-09 20:39:04,460 INFO L226 Difference]: Without dead ends: 6067 [2020-12-09 20:39:04,463 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 20:39:04,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6067 states. [2020-12-09 20:39:04,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6067 to 6067. [2020-12-09 20:39:04,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6067 states. [2020-12-09 20:39:04,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6067 states to 6067 states and 8338 transitions. [2020-12-09 20:39:04,543 INFO L78 Accepts]: Start accepts. Automaton has 6067 states and 8338 transitions. Word has length 812 [2020-12-09 20:39:04,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:39:04,544 INFO L481 AbstractCegarLoop]: Abstraction has 6067 states and 8338 transitions. [2020-12-09 20:39:04,544 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 20:39:04,544 INFO L276 IsEmpty]: Start isEmpty. Operand 6067 states and 8338 transitions. [2020-12-09 20:39:04,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 825 [2020-12-09 20:39:04,554 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:39:04,555 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-09 20:39:04,555 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-09 20:39:04,555 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:39:04,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:39:04,556 INFO L82 PathProgramCache]: Analyzing trace with hash 1043876979, now seen corresponding path program 1 times [2020-12-09 20:39:04,556 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 20:39:04,556 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343208259] [2020-12-09 20:39:04,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 20:39:04,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:39:05,186 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 20:39:05,186 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343208259] [2020-12-09 20:39:05,186 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 20:39:05,186 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 20:39:05,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998370085] [2020-12-09 20:39:05,187 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 20:39:05,188 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 20:39:05,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 20:39:05,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-09 20:39:05,188 INFO L87 Difference]: Start difference. First operand 6067 states and 8338 transitions. Second operand 4 states. [2020-12-09 20:39:07,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:39:07,762 INFO L93 Difference]: Finished difference Result 12920 states and 17516 transitions. [2020-12-09 20:39:07,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 20:39:07,763 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 824 [2020-12-09 20:39:07,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:39:07,786 INFO L225 Difference]: With dead ends: 12920 [2020-12-09 20:39:07,786 INFO L226 Difference]: Without dead ends: 6854 [2020-12-09 20:39:07,790 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-09 20:39:07,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6854 states. [2020-12-09 20:39:07,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6854 to 6825. [2020-12-09 20:39:07,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6825 states. [2020-12-09 20:39:07,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6825 states to 6825 states and 9102 transitions. [2020-12-09 20:39:07,897 INFO L78 Accepts]: Start accepts. Automaton has 6825 states and 9102 transitions. Word has length 824 [2020-12-09 20:39:07,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:39:07,897 INFO L481 AbstractCegarLoop]: Abstraction has 6825 states and 9102 transitions. [2020-12-09 20:39:07,897 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 20:39:07,897 INFO L276 IsEmpty]: Start isEmpty. Operand 6825 states and 9102 transitions. [2020-12-09 20:39:07,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 840 [2020-12-09 20:39:07,907 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:39:07,908 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:39:07,908 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-09 20:39:07,908 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:39:07,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:39:07,909 INFO L82 PathProgramCache]: Analyzing trace with hash -1915384042, now seen corresponding path program 1 times [2020-12-09 20:39:07,909 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 20:39:07,909 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316982145] [2020-12-09 20:39:07,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 20:39:07,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:39:08,391 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 20:39:08,391 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316982145] [2020-12-09 20:39:08,391 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 20:39:08,391 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 20:39:08,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668017142] [2020-12-09 20:39:08,392 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 20:39:08,392 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 20:39:08,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 20:39:08,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:39:08,393 INFO L87 Difference]: Start difference. First operand 6825 states and 9102 transitions. Second operand 3 states. [2020-12-09 20:39:11,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:39:11,174 INFO L93 Difference]: Finished difference Result 18955 states and 25775 transitions. [2020-12-09 20:39:11,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 20:39:11,174 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 839 [2020-12-09 20:39:11,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:39:11,214 INFO L225 Difference]: With dead ends: 18955 [2020-12-09 20:39:11,214 INFO L226 Difference]: Without dead ends: 12889 [2020-12-09 20:39:11,219 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 20:39:11,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12889 states. [2020-12-09 20:39:11,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12889 to 12889. [2020-12-09 20:39:11,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12889 states. [2020-12-09 20:39:11,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12889 states to 12889 states and 16700 transitions. [2020-12-09 20:39:11,344 INFO L78 Accepts]: Start accepts. Automaton has 12889 states and 16700 transitions. Word has length 839 [2020-12-09 20:39:11,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:39:11,344 INFO L481 AbstractCegarLoop]: Abstraction has 12889 states and 16700 transitions. [2020-12-09 20:39:11,344 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 20:39:11,344 INFO L276 IsEmpty]: Start isEmpty. Operand 12889 states and 16700 transitions. [2020-12-09 20:39:11,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 841 [2020-12-09 20:39:11,358 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:39:11,358 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:39:11,358 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-09 20:39:11,358 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:39:11,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:39:11,359 INFO L82 PathProgramCache]: Analyzing trace with hash 513966799, now seen corresponding path program 1 times [2020-12-09 20:39:11,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 20:39:11,359 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062064504] [2020-12-09 20:39:11,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 20:39:11,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:39:11,831 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-12-09 20:39:11,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062064504] [2020-12-09 20:39:11,832 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 20:39:11,832 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 20:39:11,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025656395] [2020-12-09 20:39:11,833 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 20:39:11,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 20:39:11,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 20:39:11,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:39:11,833 INFO L87 Difference]: Start difference. First operand 12889 states and 16700 transitions. Second operand 3 states. [2020-12-09 20:39:14,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:39:14,921 INFO L93 Difference]: Finished difference Result 37147 states and 48569 transitions. [2020-12-09 20:39:14,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 20:39:14,922 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 840 [2020-12-09 20:39:14,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:39:14,953 INFO L225 Difference]: With dead ends: 37147 [2020-12-09 20:39:14,953 INFO L226 Difference]: Without dead ends: 25017 [2020-12-09 20:39:14,962 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 20:39:14,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25017 states. [2020-12-09 20:39:15,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25017 to 25017. [2020-12-09 20:39:15,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25017 states. [2020-12-09 20:39:15,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25017 states to 25017 states and 31714 transitions. [2020-12-09 20:39:15,192 INFO L78 Accepts]: Start accepts. Automaton has 25017 states and 31714 transitions. Word has length 840 [2020-12-09 20:39:15,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:39:15,192 INFO L481 AbstractCegarLoop]: Abstraction has 25017 states and 31714 transitions. [2020-12-09 20:39:15,192 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 20:39:15,192 INFO L276 IsEmpty]: Start isEmpty. Operand 25017 states and 31714 transitions. [2020-12-09 20:39:15,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 848 [2020-12-09 20:39:15,213 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:39:15,214 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-09 20:39:15,214 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-09 20:39:15,214 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:39:15,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:39:15,214 INFO L82 PathProgramCache]: Analyzing trace with hash 2001210271, now seen corresponding path program 1 times [2020-12-09 20:39:15,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 20:39:15,215 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638845920] [2020-12-09 20:39:15,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 20:39:15,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:39:15,790 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-12-09 20:39:15,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638845920] [2020-12-09 20:39:15,790 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 20:39:15,790 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 20:39:15,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633209485] [2020-12-09 20:39:15,791 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 20:39:15,791 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 20:39:15,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 20:39:15,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:39:15,792 INFO L87 Difference]: Start difference. First operand 25017 states and 31714 transitions. Second operand 3 states. [2020-12-09 20:39:18,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:39:18,827 INFO L93 Difference]: Finished difference Result 72015 states and 91464 transitions. [2020-12-09 20:39:18,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 20:39:18,828 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 847 [2020-12-09 20:39:18,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:39:18,876 INFO L225 Difference]: With dead ends: 72015 [2020-12-09 20:39:18,876 INFO L226 Difference]: Without dead ends: 47757 [2020-12-09 20:39:18,893 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 20:39:18,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47757 states. [2020-12-09 20:39:19,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47757 to 44725. [2020-12-09 20:39:19,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44725 states. [2020-12-09 20:39:19,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44725 states to 44725 states and 55809 transitions. [2020-12-09 20:39:19,304 INFO L78 Accepts]: Start accepts. Automaton has 44725 states and 55809 transitions. Word has length 847 [2020-12-09 20:39:19,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:39:19,304 INFO L481 AbstractCegarLoop]: Abstraction has 44725 states and 55809 transitions. [2020-12-09 20:39:19,305 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 20:39:19,305 INFO L276 IsEmpty]: Start isEmpty. Operand 44725 states and 55809 transitions. [2020-12-09 20:39:19,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 892 [2020-12-09 20:39:19,328 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:39:19,328 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:39:19,328 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-09 20:39:19,329 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:39:19,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:39:19,329 INFO L82 PathProgramCache]: Analyzing trace with hash 911044756, now seen corresponding path program 1 times [2020-12-09 20:39:19,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 20:39:19,329 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570583529] [2020-12-09 20:39:19,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 20:39:19,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:39:20,335 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-12-09 20:39:20,335 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570583529] [2020-12-09 20:39:20,335 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 20:39:20,335 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 20:39:20,336 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490286010] [2020-12-09 20:39:20,336 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 20:39:20,336 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 20:39:20,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 20:39:20,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:39:20,337 INFO L87 Difference]: Start difference. First operand 44725 states and 55809 transitions. Second operand 3 states. [2020-12-09 20:39:23,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:39:23,165 INFO L93 Difference]: Finished difference Result 105367 states and 131478 transitions. [2020-12-09 20:39:23,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 20:39:23,165 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 891 [2020-12-09 20:39:23,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:39:23,226 INFO L225 Difference]: With dead ends: 105367 [2020-12-09 20:39:23,226 INFO L226 Difference]: Without dead ends: 61401 [2020-12-09 20:39:23,248 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 20:39:23,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61401 states. [2020-12-09 20:39:23,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61401 to 58369. [2020-12-09 20:39:23,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58369 states. [2020-12-09 20:39:23,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58369 states to 58369 states and 70994 transitions. [2020-12-09 20:39:23,787 INFO L78 Accepts]: Start accepts. Automaton has 58369 states and 70994 transitions. Word has length 891 [2020-12-09 20:39:23,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:39:23,788 INFO L481 AbstractCegarLoop]: Abstraction has 58369 states and 70994 transitions. [2020-12-09 20:39:23,788 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 20:39:23,788 INFO L276 IsEmpty]: Start isEmpty. Operand 58369 states and 70994 transitions. [2020-12-09 20:39:23,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1031 [2020-12-09 20:39:23,811 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:39:23,812 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:39:23,813 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-09 20:39:23,813 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:39:23,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:39:23,813 INFO L82 PathProgramCache]: Analyzing trace with hash 988255071, now seen corresponding path program 1 times [2020-12-09 20:39:23,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 20:39:23,813 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752134156] [2020-12-09 20:39:23,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 20:39:23,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:39:24,966 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 273 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-12-09 20:39:24,966 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752134156] [2020-12-09 20:39:24,966 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 20:39:24,966 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 20:39:24,966 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566830592] [2020-12-09 20:39:24,967 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 20:39:24,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 20:39:24,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 20:39:24,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:39:24,968 INFO L87 Difference]: Start difference. First operand 58369 states and 70994 transitions. Second operand 3 states. [2020-12-09 20:39:28,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:39:28,014 INFO L93 Difference]: Finished difference Result 131139 states and 160771 transitions. [2020-12-09 20:39:28,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 20:39:28,014 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1030 [2020-12-09 20:39:28,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:39:28,079 INFO L225 Difference]: With dead ends: 131139 [2020-12-09 20:39:28,079 INFO L226 Difference]: Without dead ends: 73529 [2020-12-09 20:39:28,104 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 20:39:28,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73529 states. [2020-12-09 20:39:28,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73529 to 73529. [2020-12-09 20:39:28,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73529 states. [2020-12-09 20:39:28,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73529 states to 73529 states and 87974 transitions. [2020-12-09 20:39:28,877 INFO L78 Accepts]: Start accepts. Automaton has 73529 states and 87974 transitions. Word has length 1030 [2020-12-09 20:39:28,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:39:28,878 INFO L481 AbstractCegarLoop]: Abstraction has 73529 states and 87974 transitions. [2020-12-09 20:39:28,878 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 20:39:28,878 INFO L276 IsEmpty]: Start isEmpty. Operand 73529 states and 87974 transitions. [2020-12-09 20:39:28,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1067 [2020-12-09 20:39:28,920 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:39:28,921 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 20:39:28,921 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-09 20:39:28,921 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:39:28,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:39:28,922 INFO L82 PathProgramCache]: Analyzing trace with hash -1301832769, now seen corresponding path program 1 times [2020-12-09 20:39:28,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 20:39:28,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667425737] [2020-12-09 20:39:28,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 20:39:28,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:39:30,761 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 337 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-12-09 20:39:30,761 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667425737] [2020-12-09 20:39:30,761 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 20:39:30,762 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-09 20:39:30,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190263911] [2020-12-09 20:39:30,762 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 20:39:30,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 20:39:30,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 20:39:30,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-09 20:39:30,763 INFO L87 Difference]: Start difference. First operand 73529 states and 87974 transitions. Second operand 6 states. [2020-12-09 20:39:36,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:39:36,971 INFO L93 Difference]: Finished difference Result 164851 states and 196656 transitions. [2020-12-09 20:39:36,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-09 20:39:36,972 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 1066 [2020-12-09 20:39:36,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:39:37,060 INFO L225 Difference]: With dead ends: 164851 [2020-12-09 20:39:37,060 INFO L226 Difference]: Without dead ends: 91323 [2020-12-09 20:39:37,096 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-12-09 20:39:37,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91323 states. [2020-12-09 20:39:37,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91323 to 75045. [2020-12-09 20:39:37,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75045 states. [2020-12-09 20:39:37,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75045 states to 75045 states and 89524 transitions. [2020-12-09 20:39:37,868 INFO L78 Accepts]: Start accepts. Automaton has 75045 states and 89524 transitions. Word has length 1066 [2020-12-09 20:39:37,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:39:37,868 INFO L481 AbstractCegarLoop]: Abstraction has 75045 states and 89524 transitions. [2020-12-09 20:39:37,868 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 20:39:37,869 INFO L276 IsEmpty]: Start isEmpty. Operand 75045 states and 89524 transitions. [2020-12-09 20:39:37,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1074 [2020-12-09 20:39:37,897 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:39:37,897 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 20:39:37,898 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-09 20:39:37,898 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:39:37,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:39:37,898 INFO L82 PathProgramCache]: Analyzing trace with hash 144404623, now seen corresponding path program 1 times [2020-12-09 20:39:37,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 20:39:37,898 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965463713] [2020-12-09 20:39:37,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 20:39:37,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:39:39,453 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 337 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2020-12-09 20:39:39,453 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965463713] [2020-12-09 20:39:39,453 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 20:39:39,453 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 20:39:39,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461087793] [2020-12-09 20:39:39,454 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 20:39:39,454 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 20:39:39,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 20:39:39,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:39:39,455 INFO L87 Difference]: Start difference. First operand 75045 states and 89524 transitions. Second operand 3 states. [2020-12-09 20:39:42,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:39:42,536 INFO L93 Difference]: Finished difference Result 150847 states and 179877 transitions. [2020-12-09 20:39:42,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 20:39:42,537 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1073 [2020-12-09 20:39:42,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:39:42,606 INFO L225 Difference]: With dead ends: 150847 [2020-12-09 20:39:42,606 INFO L226 Difference]: Without dead ends: 76561 [2020-12-09 20:39:42,639 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 20:39:42,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76561 states. [2020-12-09 20:39:43,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76561 to 76561. [2020-12-09 20:39:43,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76561 states. [2020-12-09 20:39:43,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76561 states to 76561 states and 87898 transitions. [2020-12-09 20:39:43,302 INFO L78 Accepts]: Start accepts. Automaton has 76561 states and 87898 transitions. Word has length 1073 [2020-12-09 20:39:43,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:39:43,303 INFO L481 AbstractCegarLoop]: Abstraction has 76561 states and 87898 transitions. [2020-12-09 20:39:43,303 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 20:39:43,303 INFO L276 IsEmpty]: Start isEmpty. Operand 76561 states and 87898 transitions. [2020-12-09 20:39:43,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1310 [2020-12-09 20:39:43,348 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:39:43,350 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:39:43,350 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-09 20:39:43,350 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:39:43,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:39:43,351 INFO L82 PathProgramCache]: Analyzing trace with hash 1139796024, now seen corresponding path program 1 times [2020-12-09 20:39:43,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 20:39:43,351 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381536740] [2020-12-09 20:39:43,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 20:39:43,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:39:44,520 INFO L134 CoverageAnalysis]: Checked inductivity of 1286 backedges. 747 proven. 0 refuted. 0 times theorem prover too weak. 539 trivial. 0 not checked. [2020-12-09 20:39:44,520 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381536740] [2020-12-09 20:39:44,520 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 20:39:44,520 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 20:39:44,520 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471990900] [2020-12-09 20:39:44,521 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 20:39:44,521 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 20:39:44,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 20:39:44,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:39:44,522 INFO L87 Difference]: Start difference. First operand 76561 states and 87898 transitions. Second operand 3 states. [2020-12-09 20:39:47,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:39:47,224 INFO L93 Difference]: Finished difference Result 153121 states and 175807 transitions. [2020-12-09 20:39:47,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 20:39:47,224 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1309 [2020-12-09 20:39:47,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:39:47,287 INFO L225 Difference]: With dead ends: 153121 [2020-12-09 20:39:47,287 INFO L226 Difference]: Without dead ends: 77319 [2020-12-09 20:39:47,316 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 20:39:47,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77319 states. [2020-12-09 20:39:47,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77319 to 76561. [2020-12-09 20:39:47,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76561 states. [2020-12-09 20:39:47,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76561 states to 76561 states and 87754 transitions. [2020-12-09 20:39:47,957 INFO L78 Accepts]: Start accepts. Automaton has 76561 states and 87754 transitions. Word has length 1309 [2020-12-09 20:39:47,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:39:47,958 INFO L481 AbstractCegarLoop]: Abstraction has 76561 states and 87754 transitions. [2020-12-09 20:39:47,958 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 20:39:47,958 INFO L276 IsEmpty]: Start isEmpty. Operand 76561 states and 87754 transitions. [2020-12-09 20:39:48,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1456 [2020-12-09 20:39:48,005 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:39:48,006 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:39:48,007 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-09 20:39:48,007 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:39:48,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:39:48,007 INFO L82 PathProgramCache]: Analyzing trace with hash 579841779, now seen corresponding path program 1 times [2020-12-09 20:39:48,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 20:39:48,008 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799089178] [2020-12-09 20:39:48,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 20:39:48,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:39:51,110 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 1264 proven. 89 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2020-12-09 20:39:51,111 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799089178] [2020-12-09 20:39:51,111 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [221208951] [2020-12-09 20:39:51,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8cf54ac1-7295-4c5f-a086-7a4c15dd4975/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 20:39:51,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:39:51,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 1794 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 20:39:51,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 20:39:53,706 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 988 proven. 0 refuted. 0 times theorem prover too weak. 660 trivial. 0 not checked. [2020-12-09 20:39:53,706 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 20:39:55,841 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 988 proven. 0 refuted. 0 times theorem prover too weak. 660 trivial. 0 not checked. [2020-12-09 20:39:55,841 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2020-12-09 20:39:55,842 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 7 [2020-12-09 20:39:55,842 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175151576] [2020-12-09 20:39:55,845 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 20:39:55,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 20:39:55,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 20:39:55,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-09 20:39:55,845 INFO L87 Difference]: Start difference. First operand 76561 states and 87754 transitions. Second operand 3 states. [2020-12-09 20:39:59,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:39:59,088 INFO L93 Difference]: Finished difference Result 152363 states and 174743 transitions. [2020-12-09 20:39:59,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 20:39:59,088 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1455 [2020-12-09 20:39:59,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:39:59,155 INFO L225 Difference]: With dead ends: 152363 [2020-12-09 20:39:59,155 INFO L226 Difference]: Without dead ends: 76561 [2020-12-09 20:39:59,187 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2913 GetRequests, 2907 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 20:39:59,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76561 states. [2020-12-09 20:39:59,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76561 to 76561. [2020-12-09 20:39:59,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76561 states. [2020-12-09 20:39:59,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76561 states to 76561 states and 85046 transitions. [2020-12-09 20:39:59,850 INFO L78 Accepts]: Start accepts. Automaton has 76561 states and 85046 transitions. Word has length 1455 [2020-12-09 20:39:59,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:39:59,852 INFO L481 AbstractCegarLoop]: Abstraction has 76561 states and 85046 transitions. [2020-12-09 20:39:59,852 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 20:39:59,852 INFO L276 IsEmpty]: Start isEmpty. Operand 76561 states and 85046 transitions. [2020-12-09 20:39:59,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1503 [2020-12-09 20:39:59,902 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:39:59,904 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:40:00,104 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-12-09 20:40:00,106 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:40:00,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:40:00,108 INFO L82 PathProgramCache]: Analyzing trace with hash 303271270, now seen corresponding path program 1 times [2020-12-09 20:40:00,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 20:40:00,108 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790318669] [2020-12-09 20:40:00,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 20:40:00,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:40:02,082 INFO L134 CoverageAnalysis]: Checked inductivity of 1011 backedges. 744 proven. 0 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2020-12-09 20:40:02,083 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790318669] [2020-12-09 20:40:02,083 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 20:40:02,083 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 20:40:02,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127768479] [2020-12-09 20:40:02,084 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 20:40:02,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 20:40:02,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 20:40:02,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:40:02,084 INFO L87 Difference]: Start difference. First operand 76561 states and 85046 transitions. Second operand 3 states. [2020-12-09 20:40:05,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:40:05,827 INFO L93 Difference]: Finished difference Result 175861 states and 195953 transitions. [2020-12-09 20:40:05,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 20:40:05,828 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1502 [2020-12-09 20:40:05,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:40:05,920 INFO L225 Difference]: With dead ends: 175861 [2020-12-09 20:40:05,920 INFO L226 Difference]: Without dead ends: 100059 [2020-12-09 20:40:05,954 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 20:40:06,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100059 states. [2020-12-09 20:40:06,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100059 to 95511. [2020-12-09 20:40:06,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95511 states. [2020-12-09 20:40:06,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95511 states to 95511 states and 105964 transitions. [2020-12-09 20:40:06,785 INFO L78 Accepts]: Start accepts. Automaton has 95511 states and 105964 transitions. Word has length 1502 [2020-12-09 20:40:06,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:40:06,786 INFO L481 AbstractCegarLoop]: Abstraction has 95511 states and 105964 transitions. [2020-12-09 20:40:06,786 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 20:40:06,786 INFO L276 IsEmpty]: Start isEmpty. Operand 95511 states and 105964 transitions. [2020-12-09 20:40:06,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1728 [2020-12-09 20:40:06,845 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:40:06,846 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 20:40:06,846 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-09 20:40:06,846 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:40:06,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:40:06,847 INFO L82 PathProgramCache]: Analyzing trace with hash 1135511186, now seen corresponding path program 1 times [2020-12-09 20:40:06,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 20:40:06,847 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825639556] [2020-12-09 20:40:06,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 20:40:06,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:40:12,479 INFO L134 CoverageAnalysis]: Checked inductivity of 1349 backedges. 1226 proven. 105 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-09 20:40:12,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825639556] [2020-12-09 20:40:12,480 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [79496719] [2020-12-09 20:40:12,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8cf54ac1-7295-4c5f-a086-7a4c15dd4975/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 20:40:12,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:40:12,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 2015 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 20:40:12,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 20:40:15,598 INFO L134 CoverageAnalysis]: Checked inductivity of 1349 backedges. 968 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2020-12-09 20:40:15,598 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 20:40:18,163 INFO L134 CoverageAnalysis]: Checked inductivity of 1349 backedges. 968 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2020-12-09 20:40:18,163 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2020-12-09 20:40:18,164 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 10 [2020-12-09 20:40:18,164 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838016074] [2020-12-09 20:40:18,166 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 20:40:18,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 20:40:18,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 20:40:18,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-12-09 20:40:18,167 INFO L87 Difference]: Start difference. First operand 95511 states and 105964 transitions. Second operand 3 states. [2020-12-09 20:40:21,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:40:21,708 INFO L93 Difference]: Finished difference Result 191779 states and 212757 transitions. [2020-12-09 20:40:21,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 20:40:21,709 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1727 [2020-12-09 20:40:21,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:40:21,796 INFO L225 Difference]: With dead ends: 191779 [2020-12-09 20:40:21,796 INFO L226 Difference]: Without dead ends: 97027 [2020-12-09 20:40:21,836 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3461 GetRequests, 3452 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-12-09 20:40:21,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97027 states. [2020-12-09 20:40:22,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97027 to 94753. [2020-12-09 20:40:22,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94753 states. [2020-12-09 20:40:22,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94753 states to 94753 states and 105018 transitions. [2020-12-09 20:40:22,694 INFO L78 Accepts]: Start accepts. Automaton has 94753 states and 105018 transitions. Word has length 1727 [2020-12-09 20:40:22,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:40:22,696 INFO L481 AbstractCegarLoop]: Abstraction has 94753 states and 105018 transitions. [2020-12-09 20:40:22,696 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 20:40:22,696 INFO L276 IsEmpty]: Start isEmpty. Operand 94753 states and 105018 transitions. [2020-12-09 20:40:22,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1770 [2020-12-09 20:40:22,754 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:40:22,755 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:40:22,956 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-12-09 20:40:22,957 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:40:22,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:40:22,959 INFO L82 PathProgramCache]: Analyzing trace with hash 1866201323, now seen corresponding path program 1 times [2020-12-09 20:40:22,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 20:40:22,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279587482] [2020-12-09 20:40:22,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 20:40:23,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:40:25,060 INFO L134 CoverageAnalysis]: Checked inductivity of 2803 backedges. 2076 proven. 0 refuted. 0 times theorem prover too weak. 727 trivial. 0 not checked. [2020-12-09 20:40:25,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279587482] [2020-12-09 20:40:25,061 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 20:40:25,061 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 20:40:25,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249020726] [2020-12-09 20:40:25,062 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 20:40:25,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 20:40:25,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 20:40:25,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:40:25,062 INFO L87 Difference]: Start difference. First operand 94753 states and 105018 transitions. Second operand 3 states. [2020-12-09 20:40:28,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:40:28,492 INFO L93 Difference]: Finished difference Result 188747 states and 209271 transitions. [2020-12-09 20:40:28,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 20:40:28,493 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1769 [2020-12-09 20:40:28,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:40:28,579 INFO L225 Difference]: With dead ends: 188747 [2020-12-09 20:40:28,579 INFO L226 Difference]: Without dead ends: 94753 [2020-12-09 20:40:28,619 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 20:40:28,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94753 states. [2020-12-09 20:40:29,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94753 to 88689. [2020-12-09 20:40:29,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88689 states. [2020-12-09 20:40:29,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88689 states to 88689 states and 96422 transitions. [2020-12-09 20:40:29,419 INFO L78 Accepts]: Start accepts. Automaton has 88689 states and 96422 transitions. Word has length 1769 [2020-12-09 20:40:29,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:40:29,420 INFO L481 AbstractCegarLoop]: Abstraction has 88689 states and 96422 transitions. [2020-12-09 20:40:29,420 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 20:40:29,420 INFO L276 IsEmpty]: Start isEmpty. Operand 88689 states and 96422 transitions. [2020-12-09 20:40:29,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1803 [2020-12-09 20:40:29,479 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:40:29,480 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:40:29,480 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-09 20:40:29,480 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:40:29,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:40:29,481 INFO L82 PathProgramCache]: Analyzing trace with hash 647908001, now seen corresponding path program 1 times [2020-12-09 20:40:29,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 20:40:29,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270341443] [2020-12-09 20:40:29,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 20:40:29,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:40:36,481 INFO L134 CoverageAnalysis]: Checked inductivity of 2114 backedges. 1448 proven. 0 refuted. 0 times theorem prover too weak. 666 trivial. 0 not checked. [2020-12-09 20:40:36,482 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270341443] [2020-12-09 20:40:36,482 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 20:40:36,482 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-09 20:40:36,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818009381] [2020-12-09 20:40:36,484 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 20:40:36,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 20:40:36,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 20:40:36,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-09 20:40:36,484 INFO L87 Difference]: Start difference. First operand 88689 states and 96422 transitions. Second operand 5 states. [2020-12-09 20:40:45,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:40:45,042 INFO L93 Difference]: Finished difference Result 227098 states and 246283 transitions. [2020-12-09 20:40:45,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-09 20:40:45,043 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1802 [2020-12-09 20:40:45,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:40:45,170 INFO L225 Difference]: With dead ends: 227098 [2020-12-09 20:40:45,170 INFO L226 Difference]: Without dead ends: 139168 [2020-12-09 20:40:45,211 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-12-09 20:40:45,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139168 states. [2020-12-09 20:40:46,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139168 to 94753. [2020-12-09 20:40:46,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94753 states. [2020-12-09 20:40:46,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94753 states to 94753 states and 102654 transitions. [2020-12-09 20:40:46,315 INFO L78 Accepts]: Start accepts. Automaton has 94753 states and 102654 transitions. Word has length 1802 [2020-12-09 20:40:46,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:40:46,316 INFO L481 AbstractCegarLoop]: Abstraction has 94753 states and 102654 transitions. [2020-12-09 20:40:46,316 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 20:40:46,316 INFO L276 IsEmpty]: Start isEmpty. Operand 94753 states and 102654 transitions. [2020-12-09 20:40:46,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1942 [2020-12-09 20:40:46,372 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:40:46,373 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:40:46,373 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-09 20:40:46,373 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:40:46,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:40:46,374 INFO L82 PathProgramCache]: Analyzing trace with hash 172402806, now seen corresponding path program 1 times [2020-12-09 20:40:46,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 20:40:46,374 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268610335] [2020-12-09 20:40:46,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 20:40:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:40:48,976 INFO L134 CoverageAnalysis]: Checked inductivity of 2596 backedges. 1930 proven. 0 refuted. 0 times theorem prover too weak. 666 trivial. 0 not checked. [2020-12-09 20:40:48,977 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268610335] [2020-12-09 20:40:48,977 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 20:40:48,977 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 20:40:48,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410669553] [2020-12-09 20:40:48,978 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 20:40:48,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 20:40:48,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 20:40:48,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:40:48,979 INFO L87 Difference]: Start difference. First operand 94753 states and 102654 transitions. Second operand 3 states. [2020-12-09 20:40:52,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:40:52,795 INFO L93 Difference]: Finished difference Result 188747 states and 204543 transitions. [2020-12-09 20:40:52,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 20:40:52,796 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1941 [2020-12-09 20:40:52,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:40:52,878 INFO L225 Difference]: With dead ends: 188747 [2020-12-09 20:40:52,878 INFO L226 Difference]: Without dead ends: 94753 [2020-12-09 20:40:52,914 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 20:40:52,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94753 states. [2020-12-09 20:40:53,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94753 to 92479. [2020-12-09 20:40:53,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92479 states. [2020-12-09 20:40:53,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92479 states to 92479 states and 98370 transitions. [2020-12-09 20:40:53,869 INFO L78 Accepts]: Start accepts. Automaton has 92479 states and 98370 transitions. Word has length 1941 [2020-12-09 20:40:53,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:40:53,869 INFO L481 AbstractCegarLoop]: Abstraction has 92479 states and 98370 transitions. [2020-12-09 20:40:53,869 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 20:40:53,869 INFO L276 IsEmpty]: Start isEmpty. Operand 92479 states and 98370 transitions. [2020-12-09 20:40:53,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1946 [2020-12-09 20:40:53,927 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:40:53,928 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:40:53,928 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-09 20:40:53,928 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:40:53,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:40:53,929 INFO L82 PathProgramCache]: Analyzing trace with hash 559973649, now seen corresponding path program 1 times [2020-12-09 20:40:53,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 20:40:53,929 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290845707] [2020-12-09 20:40:53,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 20:40:54,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:40:56,626 INFO L134 CoverageAnalysis]: Checked inductivity of 2219 backedges. 1381 proven. 0 refuted. 0 times theorem prover too weak. 838 trivial. 0 not checked. [2020-12-09 20:40:56,627 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290845707] [2020-12-09 20:40:56,627 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 20:40:56,627 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 20:40:56,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570191475] [2020-12-09 20:40:56,628 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 20:40:56,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 20:40:56,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 20:40:56,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:40:56,629 INFO L87 Difference]: Start difference. First operand 92479 states and 98370 transitions. Second operand 3 states. [2020-12-09 20:41:00,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:41:00,078 INFO L93 Difference]: Finished difference Result 187231 states and 199199 transitions. [2020-12-09 20:41:00,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 20:41:00,079 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1945 [2020-12-09 20:41:00,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:41:00,161 INFO L225 Difference]: With dead ends: 187231 [2020-12-09 20:41:00,161 INFO L226 Difference]: Without dead ends: 95511 [2020-12-09 20:41:00,191 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 20:41:00,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95511 states. [2020-12-09 20:41:00,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95511 to 95511. [2020-12-09 20:41:00,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95511 states. [2020-12-09 20:41:01,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95511 states to 95511 states and 101408 transitions. [2020-12-09 20:41:01,056 INFO L78 Accepts]: Start accepts. Automaton has 95511 states and 101408 transitions. Word has length 1945 [2020-12-09 20:41:01,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:41:01,057 INFO L481 AbstractCegarLoop]: Abstraction has 95511 states and 101408 transitions. [2020-12-09 20:41:01,057 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 20:41:01,057 INFO L276 IsEmpty]: Start isEmpty. Operand 95511 states and 101408 transitions. [2020-12-09 20:41:01,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1955 [2020-12-09 20:41:01,120 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:41:01,121 INFO L422 BasicCegarLoop]: trace histogram [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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-09 20:41:01,121 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-09 20:41:01,121 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:41:01,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:41:01,122 INFO L82 PathProgramCache]: Analyzing trace with hash -1617366897, now seen corresponding path program 1 times [2020-12-09 20:41:01,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 20:41:01,122 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116328783] [2020-12-09 20:41:01,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 20:41:01,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:41:04,239 INFO L134 CoverageAnalysis]: Checked inductivity of 1998 backedges. 950 proven. 0 refuted. 0 times theorem prover too weak. 1048 trivial. 0 not checked. [2020-12-09 20:41:04,239 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116328783] [2020-12-09 20:41:04,239 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 20:41:04,239 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 20:41:04,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476627705] [2020-12-09 20:41:04,240 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 20:41:04,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 20:41:04,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 20:41:04,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:41:04,241 INFO L87 Difference]: Start difference. First operand 95511 states and 101408 transitions. Second operand 3 states. [2020-12-09 20:41:07,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:41:07,673 INFO L93 Difference]: Finished difference Result 200117 states and 212403 transitions. [2020-12-09 20:41:07,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 20:41:07,673 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1954 [2020-12-09 20:41:07,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:41:07,778 INFO L225 Difference]: With dead ends: 200117 [2020-12-09 20:41:07,778 INFO L226 Difference]: Without dead ends: 104607 [2020-12-09 20:41:07,815 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 20:41:07,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104607 states. [2020-12-09 20:41:08,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104607 to 98543. [2020-12-09 20:41:08,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98543 states. [2020-12-09 20:41:08,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98543 states to 98543 states and 104383 transitions. [2020-12-09 20:41:08,812 INFO L78 Accepts]: Start accepts. Automaton has 98543 states and 104383 transitions. Word has length 1954 [2020-12-09 20:41:08,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:41:08,813 INFO L481 AbstractCegarLoop]: Abstraction has 98543 states and 104383 transitions. [2020-12-09 20:41:08,813 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 20:41:08,813 INFO L276 IsEmpty]: Start isEmpty. Operand 98543 states and 104383 transitions. [2020-12-09 20:41:08,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1969 [2020-12-09 20:41:08,880 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:41:08,881 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:41:08,881 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-09 20:41:08,881 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:41:08,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:41:08,882 INFO L82 PathProgramCache]: Analyzing trace with hash -1670092940, now seen corresponding path program 1 times [2020-12-09 20:41:08,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 20:41:08,882 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085190228] [2020-12-09 20:41:08,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 20:41:09,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:41:14,305 INFO L134 CoverageAnalysis]: Checked inductivity of 2671 backedges. 1865 proven. 133 refuted. 0 times theorem prover too weak. 673 trivial. 0 not checked. [2020-12-09 20:41:14,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085190228] [2020-12-09 20:41:14,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [995611458] [2020-12-09 20:41:14,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8cf54ac1-7295-4c5f-a086-7a4c15dd4975/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 20:41:14,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:41:14,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 2296 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 20:41:14,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 20:41:17,825 INFO L134 CoverageAnalysis]: Checked inductivity of 2671 backedges. 1918 proven. 0 refuted. 0 times theorem prover too weak. 753 trivial. 0 not checked. [2020-12-09 20:41:17,825 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 20:41:20,700 INFO L134 CoverageAnalysis]: Checked inductivity of 2671 backedges. 1918 proven. 0 refuted. 0 times theorem prover too weak. 753 trivial. 0 not checked. [2020-12-09 20:41:20,701 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2020-12-09 20:41:20,702 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 8 [2020-12-09 20:41:20,702 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042483007] [2020-12-09 20:41:20,704 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 20:41:20,704 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 20:41:20,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 20:41:20,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-12-09 20:41:20,704 INFO L87 Difference]: Start difference. First operand 98543 states and 104383 transitions. Second operand 3 states. [2020-12-09 20:41:24,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:41:24,279 INFO L93 Difference]: Finished difference Result 197843 states and 209547 transitions. [2020-12-09 20:41:24,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 20:41:24,280 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1968 [2020-12-09 20:41:24,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:41:24,407 INFO L225 Difference]: With dead ends: 197843 [2020-12-09 20:41:24,407 INFO L226 Difference]: Without dead ends: 100059 [2020-12-09 20:41:24,427 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3940 GetRequests, 3933 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-12-09 20:41:24,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100059 states. [2020-12-09 20:41:25,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100059 to 95511. [2020-12-09 20:41:25,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95511 states. [2020-12-09 20:41:25,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95511 states to 95511 states and 99935 transitions. [2020-12-09 20:41:25,304 INFO L78 Accepts]: Start accepts. Automaton has 95511 states and 99935 transitions. Word has length 1968 [2020-12-09 20:41:25,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:41:25,305 INFO L481 AbstractCegarLoop]: Abstraction has 95511 states and 99935 transitions. [2020-12-09 20:41:25,305 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 20:41:25,305 INFO L276 IsEmpty]: Start isEmpty. Operand 95511 states and 99935 transitions. [2020-12-09 20:41:25,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2035 [2020-12-09 20:41:25,378 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:41:25,379 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 20:41:25,579 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 20:41:25,580 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:41:25,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:41:25,583 INFO L82 PathProgramCache]: Analyzing trace with hash -1678774785, now seen corresponding path program 1 times [2020-12-09 20:41:25,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 20:41:25,583 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017505145] [2020-12-09 20:41:25,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 20:41:25,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:41:36,957 INFO L134 CoverageAnalysis]: Checked inductivity of 2261 backedges. 1724 proven. 295 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2020-12-09 20:41:36,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017505145] [2020-12-09 20:41:36,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1295061873] [2020-12-09 20:41:36,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8cf54ac1-7295-4c5f-a086-7a4c15dd4975/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 20:41:37,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:41:37,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 2362 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 20:41:37,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 20:41:41,295 INFO L134 CoverageAnalysis]: Checked inductivity of 2261 backedges. 1591 proven. 0 refuted. 0 times theorem prover too weak. 670 trivial. 0 not checked. [2020-12-09 20:41:41,295 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 20:41:44,910 INFO L134 CoverageAnalysis]: Checked inductivity of 2261 backedges. 1591 proven. 0 refuted. 0 times theorem prover too weak. 670 trivial. 0 not checked. [2020-12-09 20:41:44,911 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2020-12-09 20:41:44,912 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [7] total 10 [2020-12-09 20:41:44,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487081543] [2020-12-09 20:41:44,914 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 20:41:44,914 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 20:41:44,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 20:41:44,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-12-09 20:41:44,915 INFO L87 Difference]: Start difference. First operand 95511 states and 99935 transitions. Second operand 4 states. [2020-12-09 20:41:50,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:41:50,378 INFO L93 Difference]: Finished difference Result 200873 states and 210280 transitions. [2020-12-09 20:41:50,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 20:41:50,379 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 2034 [2020-12-09 20:41:50,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:41:50,380 INFO L225 Difference]: With dead ends: 200873 [2020-12-09 20:41:50,380 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 20:41:50,425 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4073 GetRequests, 4065 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-12-09 20:41:50,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 20:41:50,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 20:41:50,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 20:41:50,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 20:41:50,425 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2034 [2020-12-09 20:41:50,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:41:50,426 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 20:41:50,426 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 20:41:50,426 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 20:41:50,426 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 20:41:50,627 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 20:41:50,632 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 20:41:51,716 WARN L197 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 871 DAG size of output: 444 [2020-12-09 20:41:52,758 WARN L197 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 868 DAG size of output: 444 [2020-12-09 20:41:53,247 WARN L197 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 303 [2020-12-09 20:41:53,543 WARN L197 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 208 [2020-12-09 20:41:53,734 WARN L197 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 170 [2020-12-09 20:41:57,730 WARN L197 SmtUtils]: Spent 3.99 s on a formula simplification. DAG size of input: 351 DAG size of output: 96 [2020-12-09 20:42:01,493 WARN L197 SmtUtils]: Spent 3.76 s on a formula simplification. DAG size of input: 351 DAG size of output: 96 [2020-12-09 20:42:04,068 WARN L197 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 244 DAG size of output: 94 [2020-12-09 20:42:06,194 WARN L197 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 177 DAG size of output: 91 [2020-12-09 20:42:08,166 WARN L197 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 154 DAG size of output: 89 [2020-12-09 20:42:08,169 INFO L262 CegarLoopResult]: For program point L1819(lines 1819 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,169 INFO L262 CegarLoopResult]: For program point L762(lines 762 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,169 INFO L262 CegarLoopResult]: For program point L1555(lines 1555 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,169 INFO L262 CegarLoopResult]: For program point L234(lines 234 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,169 INFO L262 CegarLoopResult]: For program point L2084(lines 2084 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,169 INFO L262 CegarLoopResult]: For program point L3141(lines 3141 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,169 INFO L262 CegarLoopResult]: For program point L2613(lines 2613 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,169 INFO L262 CegarLoopResult]: For program point L4463(lines 4463 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,169 INFO L262 CegarLoopResult]: For program point L1292(lines 1292 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,169 INFO L262 CegarLoopResult]: For program point L3671(lines 3671 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,169 INFO L262 CegarLoopResult]: For program point L500(lines 500 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,169 INFO L262 CegarLoopResult]: For program point L1029(lines 1029 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,169 INFO L262 CegarLoopResult]: For program point L3936(lines 3936 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,169 INFO L262 CegarLoopResult]: For program point L1823(lines 1823 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,169 INFO L262 CegarLoopResult]: For program point L2352(lines 2352 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,169 INFO L262 CegarLoopResult]: For program point L2881(lines 2881 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,170 INFO L262 CegarLoopResult]: For program point L1560(lines 1560 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,170 INFO L262 CegarLoopResult]: For program point L4203(lines 4203 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,170 INFO L262 CegarLoopResult]: For program point L1032(lines 1032 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,170 INFO L262 CegarLoopResult]: For program point L3411(lines 3411 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,170 INFO L262 CegarLoopResult]: For program point L240(lines 240 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,170 INFO L262 CegarLoopResult]: For program point L3147(lines 3147 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,170 INFO L262 CegarLoopResult]: For program point L2883(lines 2883 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,170 INFO L262 CegarLoopResult]: For program point L769(lines 769 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,170 INFO L262 CegarLoopResult]: For program point L3676(lines 3676 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,170 INFO L262 CegarLoopResult]: For program point L1298(lines 1298 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,170 INFO L262 CegarLoopResult]: For program point L2091(lines 2091 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,170 INFO L262 CegarLoopResult]: For program point L1827(lines 1827 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,170 INFO L262 CegarLoopResult]: For program point L506(lines 506 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,170 INFO L262 CegarLoopResult]: For program point L4470(lines 4470 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,170 INFO L262 CegarLoopResult]: For program point L3942(lines 3942 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,170 INFO L262 CegarLoopResult]: For program point L2621(lines 2621 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,170 INFO L262 CegarLoopResult]: For program point L2358(lines 2358 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,170 INFO L262 CegarLoopResult]: For program point L1566(lines 1566 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,171 INFO L262 CegarLoopResult]: For program point L1038(lines 1038 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,171 INFO L262 CegarLoopResult]: For program point L774(lines 774 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,171 INFO L262 CegarLoopResult]: For program point L3681(lines 3681 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,171 INFO L262 CegarLoopResult]: For program point L1303(lines 1303 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,171 INFO L262 CegarLoopResult]: For program point L246(lines 246 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,171 INFO L262 CegarLoopResult]: For program point L4210(lines 4210 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,171 INFO L262 CegarLoopResult]: For program point L2625(lines 2625 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,171 INFO L262 CegarLoopResult]: For program point L511(lines 511 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,171 INFO L262 CegarLoopResult]: For program point L3418(lines 3418 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,171 INFO L262 CegarLoopResult]: For program point L2361(lines 2361 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,171 INFO L262 CegarLoopResult]: For program point L3154(lines 3154 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,171 INFO L262 CegarLoopResult]: For program point L2097(lines 2097 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,171 INFO L262 CegarLoopResult]: For program point L2890(lines 2890 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,171 INFO L262 CegarLoopResult]: For program point L4477(lines 4477 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,171 INFO L262 CegarLoopResult]: For program point L3949(lines 3949 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,171 INFO L262 CegarLoopResult]: For program point L1835(lines 1835 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,171 INFO L262 CegarLoopResult]: For program point L514(lines 514 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,171 INFO L262 CegarLoopResult]: For program point L1572(lines 1572 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,172 INFO L262 CegarLoopResult]: For program point L1308(lines 1308 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,172 INFO L262 CegarLoopResult]: For program point L3423(lines 3423 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,172 INFO L262 CegarLoopResult]: For program point L252(lines 252 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,172 INFO L262 CegarLoopResult]: For program point L1045(lines 1045 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,172 INFO L262 CegarLoopResult]: For program point L781(lines 781 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,172 INFO L262 CegarLoopResult]: For program point L3688(lines 3688 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,172 INFO L262 CegarLoopResult]: For program point L4217(lines 4217 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,172 INFO L262 CegarLoopResult]: For program point L2103(lines 2103 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,172 INFO L262 CegarLoopResult]: For program point L2632(lines 2632 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,172 INFO L262 CegarLoopResult]: For program point L2368(lines 2368 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,172 INFO L262 CegarLoopResult]: For program point L3161(lines 3161 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,172 INFO L262 CegarLoopResult]: For program point L2897(lines 2897 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,172 INFO L262 CegarLoopResult]: For program point L1048(lines 1048 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,172 INFO L262 CegarLoopResult]: For program point L3955(lines 3955 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,172 INFO L262 CegarLoopResult]: For program point L4484(lines 4484 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,172 INFO L262 CegarLoopResult]: For program point L1313(lines 1313 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,172 INFO L262 CegarLoopResult]: For program point L1578(lines 1578 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,172 INFO L262 CegarLoopResult]: For program point L521(lines 521 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,172 INFO L262 CegarLoopResult]: For program point L1843(lines 1843 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,173 INFO L262 CegarLoopResult]: For program point L786(lines 786 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,173 INFO L262 CegarLoopResult]: For program point L3694(lines 3694 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,173 INFO L262 CegarLoopResult]: For program point L3430(lines 3430 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,173 INFO L262 CegarLoopResult]: For program point L259(lines 259 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,173 INFO L262 CegarLoopResult]: For program point L788(lines 788 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,173 INFO L262 CegarLoopResult]: For program point L2110(lines 2110 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,173 INFO L262 CegarLoopResult]: For program point L4224(lines 4224 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,173 INFO L262 CegarLoopResult]: For program point L2639(lines 2639 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,173 INFO L262 CegarLoopResult]: For program point L3432(lines 3432 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,173 INFO L262 CegarLoopResult]: For program point L1318(lines 1318 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,173 INFO L262 CegarLoopResult]: For program point L2375(lines 2375 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,173 INFO L262 CegarLoopResult]: For program point L3168(lines 3168 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,173 INFO L262 CegarLoopResult]: For program point L2904(lines 2904 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,173 INFO L262 CegarLoopResult]: For program point L4490(lines 4490 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,173 INFO L262 CegarLoopResult]: For program point L1055(lines 1055 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,173 INFO L262 CegarLoopResult]: For program point L1584(lines 1584 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,173 INFO L262 CegarLoopResult]: For program point L3963(lines 3963 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,173 INFO L262 CegarLoopResult]: For program point L1849(lines 1849 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,173 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4713) no Hoare annotation was computed. [2020-12-09 20:42:08,174 INFO L262 CegarLoopResult]: For program point L528(lines 528 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,174 INFO L262 CegarLoopResult]: For program point L2114(lines 2114 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,174 INFO L262 CegarLoopResult]: For program point L793(lines 793 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,174 INFO L262 CegarLoopResult]: For program point L3700(lines 3700 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,174 INFO L262 CegarLoopResult]: For program point L265(lines 265 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,174 INFO L262 CegarLoopResult]: For program point L2908(lines 2908 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,174 INFO L262 CegarLoopResult]: For program point L4494(lines 4494 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,174 INFO L262 CegarLoopResult]: For program point L4230(lines 4230 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,174 INFO L262 CegarLoopResult]: For program point L3173(lines 3173 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,174 INFO L262 CegarLoopResult]: For program point L2645(lines 2645 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,174 INFO L262 CegarLoopResult]: For program point L1589(lines 1589 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,174 INFO L262 CegarLoopResult]: For program point L2382(lines 2382 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,174 INFO L262 CegarLoopResult]: For program point L3439(lines 3439 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,174 INFO L262 CegarLoopResult]: For program point L3968(lines 3968 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,174 INFO L262 CegarLoopResult]: For program point L1854(lines 1854 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,174 INFO L262 CegarLoopResult]: For program point L1326(lines 1326 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,174 INFO L262 CegarLoopResult]: For program point L1062(lines 1062 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,174 INFO L262 CegarLoopResult]: For program point L798(lines 798 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,175 INFO L262 CegarLoopResult]: For program point L270(lines 270 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,175 INFO L262 CegarLoopResult]: For program point L2120(lines 2120 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,175 INFO L262 CegarLoopResult]: For program point L3706(lines 3706 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,175 INFO L262 CegarLoopResult]: For program point L535(lines 535 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,175 INFO L262 CegarLoopResult]: For program point L3178(lines 3178 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,175 INFO L262 CegarLoopResult]: For program point L4236(lines 4236 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,175 INFO L262 CegarLoopResult]: For program point L2915(lines 2915 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,175 INFO L262 CegarLoopResult]: For program point L1594(lines 1594 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,175 INFO L262 CegarLoopResult]: For program point L2651(lines 2651 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,175 INFO L262 CegarLoopResult]: For program point L4501(lines 4501 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,175 INFO L262 CegarLoopResult]: For program point L802(lines 802 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,175 INFO L262 CegarLoopResult]: For program point L539(lines 539 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,175 INFO L262 CegarLoopResult]: For program point L3446(lines 3446 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,175 INFO L262 CegarLoopResult]: For program point L1332(lines 1332 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,175 INFO L262 CegarLoopResult]: For program point L2389(lines 2389 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,175 INFO L262 CegarLoopResult]: For program point L275(lines 275 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,175 INFO L262 CegarLoopResult]: For program point L2125(lines 2125 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,175 INFO L262 CegarLoopResult]: For program point L3975(lines 3975 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,175 INFO L262 CegarLoopResult]: For program point L1861(lines 1861 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,176 INFO L262 CegarLoopResult]: For program point L3711(lines 3711 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,176 INFO L262 CegarLoopResult]: For program point L1069(lines 1069 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,176 INFO L262 CegarLoopResult]: For program point L4506(lines 4506 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,176 INFO L262 CegarLoopResult]: For program point L278(lines 278 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,176 INFO L262 CegarLoopResult]: For program point L4242(lines 4242 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,176 INFO L262 CegarLoopResult]: For program point L3186(lines 3186 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,176 INFO L262 CegarLoopResult]: For program point L2394(lines 2394 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,176 INFO L262 CegarLoopResult]: For program point L2923(lines 2923 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,176 INFO L262 CegarLoopResult]: For program point L809(lines 809 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,176 INFO L262 CegarLoopResult]: For program point L1602(lines 1602 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,176 INFO L262 CegarLoopResult]: For program point L2659(lines 2659 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,176 INFO L262 CegarLoopResult]: For program point L1338(lines 1338 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,176 INFO L262 CegarLoopResult]: For program point L2131(lines 2131 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,176 INFO L262 CegarLoopResult]: For program point L3717(lines 3717 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,176 INFO L262 CegarLoopResult]: For program point L546(lines 546 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,176 INFO L262 CegarLoopResult]: For program point L3453(lines 3453 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,176 INFO L262 CegarLoopResult]: For program point L3982(lines 3982 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,176 INFO L262 CegarLoopResult]: For program point L1076(lines 1076 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,176 INFO L262 CegarLoopResult]: For program point L1869(lines 1869 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,176 INFO L262 CegarLoopResult]: For program point L4512(lines 4512 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,177 INFO L262 CegarLoopResult]: For program point L284(lines 284 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,177 INFO L262 CegarLoopResult]: For program point L3191(lines 3191 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,177 INFO L262 CegarLoopResult]: For program point L4248(lines 4248 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,177 INFO L262 CegarLoopResult]: For program point L549(lines 549 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,177 INFO L262 CegarLoopResult]: For program point L2664(lines 2664 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,177 INFO L262 CegarLoopResult]: For program point L2401(lines 2401 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,177 INFO L262 CegarLoopResult]: For program point L2137(lines 2137 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,177 INFO L262 CegarLoopResult]: For program point L2930(lines 2930 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,177 INFO L262 CegarLoopResult]: For program point L3723(lines 3723 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,177 INFO L262 CegarLoopResult]: For program point L1609(lines 1609 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,177 INFO L262 CegarLoopResult]: For program point L3459(lines 3459 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,177 INFO L262 CegarLoopResult]: For program point L3988(lines 3988 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,177 INFO L262 CegarLoopResult]: For program point L817(lines 817 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,177 INFO L262 CegarLoopResult]: For program point L4517(lines 4517 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,177 INFO L262 CegarLoopResult]: For program point L1346(lines 1346 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,177 INFO L262 CegarLoopResult]: For program point L1082(lines 1082 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,177 INFO L262 CegarLoopResult]: For program point L290(lines 290 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,177 INFO L262 CegarLoopResult]: For program point L1876(lines 1876 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,178 INFO L262 CegarLoopResult]: For program point L4255(lines 4255 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,178 INFO L262 CegarLoopResult]: For program point L3198(lines 3198 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,178 INFO L262 CegarLoopResult]: For program point L556(lines 556 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,178 INFO L262 CegarLoopResult]: For program point L2142(lines 2142 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,178 INFO L262 CegarLoopResult]: For program point L2671(lines 2671 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,178 INFO L262 CegarLoopResult]: For program point L1615(lines 1615 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,178 INFO L262 CegarLoopResult]: For program point L1351(lines 1351 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,178 INFO L262 CegarLoopResult]: For program point L1087(lines 1087 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,178 INFO L262 CegarLoopResult]: For program point L2937(lines 2937 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,178 INFO L262 CegarLoopResult]: For program point L3730(lines 3730 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,178 INFO L262 CegarLoopResult]: For program point L4523(lines 4523 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,178 INFO L262 CegarLoopResult]: For program point L3466(lines 3466 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,178 INFO L262 CegarLoopResult]: For program point L2409(lines 2409 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,178 INFO L262 CegarLoopResult]: For program point L2145(lines 2145 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,178 INFO L262 CegarLoopResult]: For program point L3995(lines 3995 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,178 INFO L262 CegarLoopResult]: For program point L1881(lines 1881 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,178 INFO L262 CegarLoopResult]: For program point L824(lines 824 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,178 INFO L262 CegarLoopResult]: For program point L297(lines 297 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,179 INFO L262 CegarLoopResult]: For program point L3204(lines 3204 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,179 INFO L262 CegarLoopResult]: For program point L4261(lines 4261 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,179 INFO L262 CegarLoopResult]: For program point L3999(lines 3999 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,179 INFO L262 CegarLoopResult]: For program point L2678(lines 2678 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,179 INFO L262 CegarLoopResult]: For program point L564(lines 564 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,179 INFO L262 CegarLoopResult]: For program point L2414(lines 2414 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,179 INFO L262 CegarLoopResult]: For program point L3736(lines 3736 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,179 INFO L262 CegarLoopResult]: For program point L1622(lines 1622 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,179 INFO L262 CegarLoopResult]: For program point L3472(lines 3472 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,179 INFO L262 CegarLoopResult]: For program point L1358(lines 1358 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,179 INFO L262 CegarLoopResult]: For program point L1094(lines 1094 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,179 INFO L262 CegarLoopResult]: For program point L2151(lines 2151 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,179 INFO L262 CegarLoopResult]: For program point L2944(lines 2944 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,179 INFO L262 CegarLoopResult]: For program point L4530(lines 4530 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,179 INFO L262 CegarLoopResult]: For program point L3209(lines 3209 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,179 INFO L262 CegarLoopResult]: For program point L1888(lines 1888 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,179 INFO L262 CegarLoopResult]: For program point L832(lines 832 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,179 INFO L262 CegarLoopResult]: For program point L1361(lines 1361 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,179 INFO L262 CegarLoopResult]: For program point L304(lines 304 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,180 INFO L262 CegarLoopResult]: For program point L4268(lines 4268 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,180 INFO L262 CegarLoopResult]: For program point L2419(lines 2419 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,180 INFO L262 CegarLoopResult]: For program point L3741(lines 3741 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,180 INFO L262 CegarLoopResult]: For program point L570(lines 570 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,180 INFO L262 CegarLoopResult]: For program point L2685(lines 2685 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,180 INFO L262 CegarLoopResult]: For program point L4535(lines 4535 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,180 INFO L262 CegarLoopResult]: For program point L3214(lines 3214 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,180 INFO L262 CegarLoopResult]: For program point L1100(lines 1100 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,180 INFO L262 CegarLoopResult]: For program point L2950(lines 2950 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,180 INFO L262 CegarLoopResult]: For program point L4007(lines 4007 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,180 INFO L262 CegarLoopResult]: For program point L1629(lines 1629 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,180 INFO L262 CegarLoopResult]: For program point L2158(lines 2158 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,180 INFO L262 CegarLoopResult]: For program point L1894(lines 1894 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,180 INFO L262 CegarLoopResult]: For program point L3480(lines 3480 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,180 INFO L262 CegarLoopResult]: For program point L2423(lines 2423 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,180 INFO L262 CegarLoopResult]: For program point L574(lines 574 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,180 INFO L262 CegarLoopResult]: For program point L839(lines 839 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,180 INFO L262 CegarLoopResult]: For program point L1368(lines 1368 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,180 INFO L262 CegarLoopResult]: For program point L4275(lines 4275 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,181 INFO L262 CegarLoopResult]: For program point L4540(lines 4540 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,181 INFO L262 CegarLoopResult]: For program point L312(lines 312 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,181 INFO L262 CegarLoopResult]: For program point L3219(lines 3219 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,181 INFO L262 CegarLoopResult]: For program point L2955(lines 2955 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,181 INFO L262 CegarLoopResult]: For program point L3748(lines 3748 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,181 INFO L262 CegarLoopResult]: For program point L2691(lines 2691 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,181 INFO L262 CegarLoopResult]: For program point L2427(lines 2427 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,181 INFO L262 CegarLoopResult]: For program point L1899(lines 1899 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,181 INFO L262 CegarLoopResult]: For program point L2164(lines 2164 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,181 INFO L262 CegarLoopResult]: For program point L1107(lines 1107 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,181 INFO L262 CegarLoopResult]: For program point L50(lines 50 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,181 INFO L262 CegarLoopResult]: For program point L4014(lines 4014 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,181 INFO L262 CegarLoopResult]: For program point L1636(lines 1636 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,181 INFO L262 CegarLoopResult]: For program point L3486(lines 3486 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,181 INFO L262 CegarLoopResult]: For program point L845(lines 845 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,181 INFO L262 CegarLoopResult]: For program point L4545(lines 4545 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,181 INFO L262 CegarLoopResult]: For program point L317(lines 317 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,181 INFO L262 CegarLoopResult]: For program point L2960(lines 2960 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,181 INFO L262 CegarLoopResult]: For program point L3753(lines 3753 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,182 INFO L262 CegarLoopResult]: For program point L582(lines 582 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,182 INFO L262 CegarLoopResult]: For program point L1375(lines 1375 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,182 INFO L262 CegarLoopResult]: For program point L4282(lines 4282 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,182 INFO L262 CegarLoopResult]: For program point L1905(lines 1905 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,182 INFO L262 CegarLoopResult]: For program point L2698(lines 2698 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,182 INFO L262 CegarLoopResult]: For program point L2434(lines 2434 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,182 INFO L262 CegarLoopResult]: For program point L2170(lines 2170 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,182 INFO L262 CegarLoopResult]: For program point L3227(lines 3227 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,182 INFO L262 CegarLoopResult]: For program point L1113(lines 1113 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,182 INFO L262 CegarLoopResult]: For program point L57(lines 57 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,182 INFO L262 CegarLoopResult]: For program point L4021(lines 4021 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,182 INFO L262 CegarLoopResult]: For program point L850(lines 850 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,182 INFO L262 CegarLoopResult]: For program point L1643(lines 1643 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,182 INFO L262 CegarLoopResult]: For program point L3493(lines 3493 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,182 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 20:42:08,182 INFO L262 CegarLoopResult]: For program point L2966(lines 2966 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,182 INFO L262 CegarLoopResult]: For program point L1909(lines 1909 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,182 INFO L262 CegarLoopResult]: For program point L4552(lines 4552 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,182 INFO L262 CegarLoopResult]: For program point L324(lines 324 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,183 INFO L262 CegarLoopResult]: For program point L4288(lines 4288 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,183 INFO L258 CegarLoopResult]: At program point L4817(lines 4084 4818) the Hoare annotation is: (let ((.cse7 (<= 18 ~a4~0)) (.cse18 (<= ~a4~0 16)) (.cse3 (<= ~a4~0 17)) (.cse19 (<= ~a14~0 19)) (.cse15 (= ~a1~0 1)) (.cse17 (= ~a25~0 1)) (.cse0 (<= 17 ~a28~0)) (.cse1 (= ~a14~0 18)) (.cse9 (<= ~a28~0 15)) (.cse6 (= ~a7~0 1)) (.cse10 (= 19 ~a26~0)) (.cse16 (< 16 ~a4~0)) (.cse13 (<= 16 ~a28~0)) (.cse8 (= 19 ~a14~0)) (.cse5 (<= ~a3~0 0)) (.cse14 (<= 18 ~a26~0)) (.cse11 (<= ~a28~0 16)) (.cse4 (= ~a14~0 20)) (.cse12 (<= ~a26~0 17)) (.cse2 (= ~a3~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse0 .cse5) (and .cse6 .cse7 .cse8 .cse2) (and .cse4 .cse9 .cse5) (and .cse4 .cse0 .cse10 .cse2) (and .cse11 .cse6 .cse7 .cse8 .cse5) (and .cse9 .cse7 .cse12 .cse8 .cse2) (and .cse3 .cse13 .cse1 .cse5 .cse14) (and .cse0 .cse8 .cse2 .cse14) (and .cse7 .cse0 .cse8 .cse2) (and .cse3 .cse11 .cse13 .cse8 .cse2) (and .cse7 .cse9 .cse1 .cse2) (and .cse7 .cse1 .cse2 .cse14) (and .cse4 .cse7 .cse0 .cse2) (and .cse6 .cse7 .cse12 .cse1 .cse5) (and .cse3 .cse4 .cse15 .cse16 .cse17 .cse2 .cse14) (and .cse15 .cse16 .cse9 .cse12 .cse17 .cse8 .cse2) (and .cse3 .cse15 .cse16 .cse13 .cse17 .cse1 .cse2) (and .cse3 .cse9 .cse8 .cse5 .cse14) (and .cse4 .cse6 .cse15 .cse16 .cse13 .cse17 .cse2) (and .cse6 .cse8 .cse5 .cse14) (and .cse6 .cse1 .cse18 .cse5) (and .cse9 .cse8 .cse10 .cse5) (and .cse9 .cse12 .cse1 .cse5) (and .cse6 .cse9 .cse8 .cse18 .cse5) (and .cse3 .cse16 .cse13 .cse8 .cse5) (and .cse4 .cse6 .cse7 .cse13 .cse2) (and .cse3 .cse19 .cse9 .cse1 .cse10 .cse2) (and .cse9 .cse16 .cse1 .cse5) (and .cse11 .cse4 .cse16 .cse10 .cse5) (and .cse3 .cse19 .cse9 .cse8 .cse2 .cse14) (and .cse3 .cse0 .cse8 .cse5) (and .cse4 .cse6 .cse10 .cse2) (and .cse3 .cse4 .cse9 .cse2) (and .cse6 .cse12 .cse1 .cse2 .cse18) (and .cse3 .cse4 .cse12 .cse5) (and .cse6 .cse10 .cse1 .cse5) (and .cse6 .cse13 .cse1 .cse2 .cse18) (and (= ~a4~0 17) (= ~a28~0 15) .cse3 .cse19 .cse6 .cse15 .cse9 .cse17 .cse1 .cse2) (and .cse0 .cse1 .cse5) (and .cse4 .cse9 .cse10 .cse2) (and .cse11 .cse4 .cse6 .cse5) (and .cse13 .cse8 .cse10 .cse2) (and .cse11 .cse16 .cse13 .cse8 .cse5 .cse14) (and .cse11 .cse4 .cse12 .cse2))) [2020-12-09 20:42:08,183 INFO L262 CegarLoopResult]: For program point L589(lines 589 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,184 INFO L258 CegarLoopResult]: At program point L1382(lines 49 1383) the Hoare annotation is: (let ((.cse7 (<= 18 ~a4~0)) (.cse13 (<= ~a4~0 16)) (.cse6 (= ~a7~0 1)) (.cse17 (= ~a1~0 1)) (.cse18 (= ~a25~0 1)) (.cse0 (<= 17 ~a28~0)) (.cse16 (< 16 ~a4~0)) (.cse12 (<= 16 ~a28~0)) (.cse8 (= 19 ~a14~0)) (.cse5 (<= ~a3~0 0)) (.cse15 (<= 18 ~a26~0)) (.cse3 (<= ~a4~0 17)) (.cse19 (<= ~a14~0 19)) (.cse9 (<= ~a28~0 15)) (.cse10 (= 19 ~a26~0)) (.cse1 (= ~a14~0 18)) (.cse11 (<= ~a28~0 16)) (.cse4 (= ~a14~0 20)) (.cse14 (<= ~a26~0 17)) (.cse2 (= ~a3~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse0 .cse5) (and .cse6 .cse7 .cse8 .cse2) (and .cse4 .cse9 .cse5) (and .cse4 .cse0 .cse10 .cse2) (and .cse11 .cse6 .cse7 .cse8 .cse5) (and .cse9 .cse7 .cse1 .cse2) (and .cse3 .cse6 .cse12 .cse1 .cse2 .cse13) (and .cse9 .cse7 .cse14 .cse8 .cse2) (and .cse3 .cse12 .cse1 .cse5 .cse15) (and .cse0 .cse8 .cse2 .cse15) (and .cse7 .cse0 .cse8 .cse2) (and .cse3 .cse11 .cse12 .cse8 .cse2) (and .cse4 .cse11 .cse16 .cse10 .cse5) (and .cse7 .cse1 .cse2 .cse15) (and .cse4 .cse7 .cse0 .cse2) (and .cse17 .cse9 .cse16 .cse14 .cse18 .cse8 .cse2) (and .cse6 .cse7 .cse14 .cse1 .cse5) (and .cse3 .cse4 .cse17 .cse16 .cse18 .cse2 .cse15) (and .cse3 .cse17 .cse16 .cse12 .cse18 .cse1 .cse2) (and .cse3 .cse9 .cse8 .cse5 .cse15) (and .cse4 .cse17 .cse6 .cse16 .cse12 .cse18 .cse2) (and .cse6 .cse8 .cse5 .cse15) (and .cse6 .cse1 .cse13 .cse5) (and .cse9 .cse8 .cse10 .cse5) (and .cse6 .cse9 .cse8 .cse13 .cse5) (and .cse9 .cse14 .cse1 .cse5) (and .cse3 .cse16 .cse12 .cse8 .cse5) (and .cse4 .cse6 .cse7 .cse12 .cse2) (and .cse9 .cse16 .cse1 .cse5) (and .cse4 .cse11 .cse6 .cse5) (and .cse3 .cse0 .cse8 .cse5) (and .cse3 .cse19 .cse9 .cse8 .cse2 .cse15) (and .cse3 .cse4 .cse9 .cse2) (and .cse4 .cse6 .cse10 .cse2) (and .cse6 .cse14 .cse1 .cse2 .cse13) (and .cse3 .cse4 .cse14 .cse5) (and .cse6 .cse10 .cse1 .cse5) (and (= ~a4~0 17) (= ~a28~0 15) .cse3 .cse19 .cse6 .cse17 .cse9 .cse18 .cse1 .cse2) (and .cse0 .cse1 .cse5) (and .cse4 .cse9 .cse10 .cse2) (and .cse12 .cse8 .cse10 .cse2) (and .cse11 .cse16 .cse12 .cse8 .cse5 .cse15) (and .cse3 .cse19 .cse9 .cse10 .cse1 .cse2) (and .cse11 .cse4 .cse14 .cse2))) [2020-12-09 20:42:08,184 INFO L262 CegarLoopResult]: For program point L1118(lines 1118 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,184 INFO L262 CegarLoopResult]: For program point L3761(lines 3761 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,184 INFO L262 CegarLoopResult]: For program point L2176(lines 2176 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,184 INFO L262 CegarLoopResult]: For program point L3233(lines 3233 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,184 INFO L262 CegarLoopResult]: For program point L62(lines 62 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,184 INFO L262 CegarLoopResult]: For program point L1912(lines 1912 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,184 INFO L262 CegarLoopResult]: For program point L855(lines 855 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,184 INFO L262 CegarLoopResult]: For program point L2441(lines 2441 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,184 INFO L262 CegarLoopResult]: For program point L2706(lines 2706 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,184 INFO L265 CegarLoopResult]: At program point L4820(lines 4820 4837) the Hoare annotation is: true [2020-12-09 20:42:08,184 INFO L262 CegarLoopResult]: For program point L4028(lines 4028 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,185 INFO L262 CegarLoopResult]: For program point L2971(lines 2971 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,185 INFO L262 CegarLoopResult]: For program point L1650(lines 1650 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,185 INFO L262 CegarLoopResult]: For program point L3500(lines 3500 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,185 INFO L262 CegarLoopResult]: For program point L1386(lines 1386 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,185 INFO L262 CegarLoopResult]: For program point L329(lines 329 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,185 INFO L262 CegarLoopResult]: For program point L4294(lines 4294 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,185 INFO L262 CegarLoopResult]: For program point L595(lines 595 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,185 INFO L262 CegarLoopResult]: For program point L4559(lines 4559 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,185 INFO L262 CegarLoopResult]: For program point L1124(lines 1124 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,185 INFO L262 CegarLoopResult]: For program point L1917(lines 1917 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,185 INFO L262 CegarLoopResult]: For program point L1653(lines 1653 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,185 INFO L262 CegarLoopResult]: For program point L2446(lines 2446 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,185 INFO L262 CegarLoopResult]: For program point L3239(lines 3239 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,185 INFO L262 CegarLoopResult]: For program point L68(lines 68 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,185 INFO L262 CegarLoopResult]: For program point L861(lines 861 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,185 INFO L262 CegarLoopResult]: For program point L3768(lines 3768 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,185 INFO L262 CegarLoopResult]: For program point L333(lines 333 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,185 INFO L262 CegarLoopResult]: For program point L2183(lines 2183 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,185 INFO L262 CegarLoopResult]: For program point L2976(lines 2976 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,186 INFO L262 CegarLoopResult]: For program point L2712(lines 2712 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,186 INFO L258 CegarLoopResult]: At program point L4826-2(lines 4826 4836) the Hoare annotation is: (let ((.cse7 (<= 18 ~a4~0)) (.cse13 (<= ~a4~0 16)) (.cse6 (= ~a7~0 1)) (.cse17 (= ~a1~0 1)) (.cse18 (= ~a25~0 1)) (.cse0 (<= 17 ~a28~0)) (.cse16 (< 16 ~a4~0)) (.cse12 (<= 16 ~a28~0)) (.cse8 (= 19 ~a14~0)) (.cse5 (<= ~a3~0 0)) (.cse15 (<= 18 ~a26~0)) (.cse3 (<= ~a4~0 17)) (.cse19 (<= ~a14~0 19)) (.cse9 (<= ~a28~0 15)) (.cse10 (= 19 ~a26~0)) (.cse1 (= ~a14~0 18)) (.cse11 (<= ~a28~0 16)) (.cse4 (= ~a14~0 20)) (.cse14 (<= ~a26~0 17)) (.cse2 (= ~a3~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse0 .cse5) (and .cse6 .cse7 .cse8 .cse2) (and .cse4 .cse9 .cse5) (and .cse4 .cse0 .cse10 .cse2) (and .cse11 .cse6 .cse7 .cse8 .cse5) (and .cse9 .cse7 .cse1 .cse2) (and .cse3 .cse6 .cse12 .cse1 .cse2 .cse13) (and .cse9 .cse7 .cse14 .cse8 .cse2) (and .cse3 .cse12 .cse1 .cse5 .cse15) (and .cse0 .cse8 .cse2 .cse15) (and .cse7 .cse0 .cse8 .cse2) (and .cse3 .cse11 .cse12 .cse8 .cse2) (and .cse4 .cse11 .cse16 .cse10 .cse5) (and .cse7 .cse1 .cse2 .cse15) (and .cse4 .cse7 .cse0 .cse2) (and .cse17 .cse9 .cse16 .cse14 .cse18 .cse8 .cse2) (and .cse6 .cse7 .cse14 .cse1 .cse5) (and .cse3 .cse4 .cse17 .cse16 .cse18 .cse2 .cse15) (and .cse3 .cse17 .cse16 .cse12 .cse18 .cse1 .cse2) (and .cse3 .cse9 .cse8 .cse5 .cse15) (and .cse4 .cse17 .cse6 .cse16 .cse12 .cse18 .cse2) (and .cse6 .cse8 .cse5 .cse15) (and .cse6 .cse1 .cse13 .cse5) (and .cse9 .cse8 .cse10 .cse5) (and .cse6 .cse9 .cse8 .cse13 .cse5) (and .cse9 .cse14 .cse1 .cse5) (and .cse3 .cse16 .cse12 .cse8 .cse5) (and .cse4 .cse6 .cse7 .cse12 .cse2) (and .cse9 .cse16 .cse1 .cse5) (and .cse4 .cse11 .cse6 .cse5) (and .cse3 .cse0 .cse8 .cse5) (and .cse3 .cse19 .cse9 .cse8 .cse2 .cse15) (and .cse3 .cse4 .cse9 .cse2) (and .cse4 .cse6 .cse10 .cse2) (and .cse6 .cse14 .cse1 .cse2 .cse13) (and .cse3 .cse4 .cse14 .cse5) (and .cse6 .cse10 .cse1 .cse5) (and (= ~a4~0 17) (= ~a28~0 15) .cse3 .cse19 .cse6 .cse17 .cse9 .cse18 .cse1 .cse2) (and .cse0 .cse1 .cse5) (and .cse4 .cse9 .cse10 .cse2) (and .cse12 .cse8 .cse10 .cse2) (and .cse11 .cse16 .cse12 .cse8 .cse5 .cse15) (and .cse3 .cse19 .cse9 .cse10 .cse1 .cse2) (and .cse11 .cse4 .cse14 .cse2))) [2020-12-09 20:42:08,186 INFO L262 CegarLoopResult]: For program point L3505(lines 3505 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,186 INFO L262 CegarLoopResult]: For program point L4034(lines 4034 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,186 INFO L262 CegarLoopResult]: For program point L1392(lines 1392 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,186 INFO L262 CegarLoopResult]: For program point L4299(lines 4299 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,186 INFO L262 CegarLoopResult]: For program point L1658(lines 1658 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,186 INFO L262 CegarLoopResult]: For program point L4566(lines 4566 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,186 INFO L262 CegarLoopResult]: For program point L1131(lines 1131 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,186 INFO L262 CegarLoopResult]: For program point L1924(lines 1924 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,186 INFO L262 CegarLoopResult]: For program point L2981(lines 2981 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,186 INFO L262 CegarLoopResult]: For program point L4831(line 4831) no Hoare annotation was computed. [2020-12-09 20:42:08,186 INFO L262 CegarLoopResult]: For program point L3774(lines 3774 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,187 INFO L262 CegarLoopResult]: For program point L603(lines 603 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,187 INFO L262 CegarLoopResult]: For program point L3246(lines 3246 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,187 INFO L262 CegarLoopResult]: For program point L2454(lines 2454 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,187 INFO L262 CegarLoopResult]: For program point L1397(lines 1397 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,187 INFO L262 CegarLoopResult]: For program point L340(lines 340 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,187 INFO L262 CegarLoopResult]: For program point L2190(lines 2190 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,187 INFO L262 CegarLoopResult]: For program point L4304(lines 4304 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,187 INFO L262 CegarLoopResult]: For program point L76(lines 76 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,187 INFO L262 CegarLoopResult]: For program point L869(lines 869 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,187 INFO L258 CegarLoopResult]: At program point L2719(lines 1385 2720) the Hoare annotation is: (let ((.cse7 (<= 18 ~a4~0)) (.cse18 (<= ~a4~0 16)) (.cse3 (<= ~a4~0 17)) (.cse19 (<= ~a14~0 19)) (.cse16 (= ~a1~0 1)) (.cse17 (= ~a25~0 1)) (.cse0 (<= 17 ~a28~0)) (.cse1 (= ~a14~0 18)) (.cse9 (<= ~a28~0 15)) (.cse6 (= ~a7~0 1)) (.cse10 (= 19 ~a26~0)) (.cse15 (< 16 ~a4~0)) (.cse12 (<= 16 ~a28~0)) (.cse8 (= 19 ~a14~0)) (.cse5 (<= ~a3~0 0)) (.cse13 (<= 18 ~a26~0)) (.cse11 (<= ~a28~0 16)) (.cse4 (= ~a14~0 20)) (.cse14 (<= ~a26~0 17)) (.cse2 (= ~a3~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse0 .cse5) (and .cse6 .cse7 .cse8 .cse2) (and .cse4 .cse9 .cse5) (and .cse4 .cse0 .cse10 .cse2) (and .cse11 .cse6 .cse7 .cse8 .cse5) (and .cse3 .cse12 .cse1 .cse5 .cse13) (and .cse9 .cse7 .cse14 .cse8 .cse2) (and .cse0 .cse8 .cse2 .cse13) (and .cse7 .cse0 .cse8 .cse2) (and .cse3 .cse11 .cse12 .cse8 .cse2) (and .cse4 .cse11 .cse15 .cse10 .cse5) (and .cse7 .cse9 .cse1 .cse2) (and .cse4 .cse7 .cse0 .cse2) (and .cse7 .cse1 .cse2 .cse13) (and .cse6 .cse7 .cse14 .cse1 .cse5) (and .cse3 .cse4 .cse16 .cse15 .cse17 .cse2 .cse13) (and .cse16 .cse15 .cse9 .cse14 .cse17 .cse8 .cse2) (and .cse3 .cse16 .cse15 .cse12 .cse17 .cse1 .cse2) (and .cse3 .cse9 .cse8 .cse5 .cse13) (and .cse4 .cse6 .cse16 .cse15 .cse12 .cse17 .cse2) (and .cse6 .cse8 .cse5 .cse13) (and .cse6 .cse1 .cse18 .cse5) (and .cse9 .cse8 .cse10 .cse5) (and .cse6 .cse9 .cse8 .cse18 .cse5) (and .cse9 .cse14 .cse1 .cse5) (and .cse3 .cse15 .cse12 .cse8 .cse5) (and .cse4 .cse6 .cse7 .cse12 .cse2) (and .cse3 .cse19 .cse9 .cse1 .cse10 .cse2) (and .cse9 .cse15 .cse1 .cse5) (and .cse3 .cse0 .cse8 .cse5) (and .cse3 .cse19 .cse9 .cse8 .cse2 .cse13) (and .cse4 .cse6 .cse10 .cse2) (and .cse3 .cse4 .cse9 .cse2) (and .cse6 .cse14 .cse1 .cse2 .cse18) (and .cse3 .cse4 .cse14 .cse5) (and .cse6 .cse10 .cse1 .cse5) (and .cse6 .cse12 .cse1 .cse2 .cse18) (and (= ~a4~0 17) (= ~a28~0 15) .cse3 .cse19 .cse6 .cse16 .cse9 .cse17 .cse1 .cse2) (and .cse0 .cse1 .cse5) (and .cse4 .cse9 .cse10 .cse2) (and .cse11 .cse4 .cse6 .cse5) (and .cse12 .cse8 .cse10 .cse2) (and .cse11 .cse15 .cse12 .cse8 .cse5 .cse13) (and .cse11 .cse4 .cse14 .cse2))) [2020-12-09 20:42:08,187 INFO L262 CegarLoopResult]: For program point L3512(lines 3512 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,187 INFO L262 CegarLoopResult]: For program point L4041(lines 4041 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,187 INFO L262 CegarLoopResult]: For program point L1664(lines 1664 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,188 INFO L262 CegarLoopResult]: For program point L1929(lines 1929 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,188 INFO L262 CegarLoopResult]: For program point L872(lines 872 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,188 INFO L262 CegarLoopResult]: For program point L3779(lines 3779 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,188 INFO L262 CegarLoopResult]: For program point L2723(lines 2723 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,188 INFO L262 CegarLoopResult]: For program point L4573(lines 4573 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,188 INFO L262 CegarLoopResult]: For program point L1402(lines 1402 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,188 INFO L262 CegarLoopResult]: For program point L2459(lines 2459 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,188 INFO L262 CegarLoopResult]: For program point L3252(lines 3252 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,188 INFO L262 CegarLoopResult]: For program point L1138(lines 1138 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,188 INFO L262 CegarLoopResult]: For program point L2988(lines 2988 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,188 INFO L262 CegarLoopResult]: For program point L610(lines 610 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,188 INFO L262 CegarLoopResult]: For program point L4310(lines 4310 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,188 INFO L262 CegarLoopResult]: For program point L2196(lines 2196 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,188 INFO L262 CegarLoopResult]: For program point L82(lines 82 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,188 INFO L262 CegarLoopResult]: For program point L1404(lines 1404 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,188 INFO L262 CegarLoopResult]: For program point L347(lines 347 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,188 INFO L262 CegarLoopResult]: For program point L3519(lines 3519 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,188 INFO L262 CegarLoopResult]: For program point L4048(lines 4048 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,188 INFO L262 CegarLoopResult]: For program point L2992(lines 2992 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,188 INFO L262 CegarLoopResult]: For program point L878(lines 878 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,189 INFO L262 CegarLoopResult]: For program point L3785(lines 3785 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,189 INFO L262 CegarLoopResult]: For program point L1671(lines 1671 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,189 INFO L262 CegarLoopResult]: For program point L1407(lines 1407 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,189 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 20:42:08,189 INFO L262 CegarLoopResult]: For program point L1143(lines 1143 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,189 INFO L262 CegarLoopResult]: For program point L1936(lines 1936 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,189 INFO L262 CegarLoopResult]: For program point L2729(lines 2729 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,189 INFO L262 CegarLoopResult]: For program point L2466(lines 2466 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,189 INFO L262 CegarLoopResult]: For program point L4580(lines 4580 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,189 INFO L262 CegarLoopResult]: For program point L4316(lines 4316 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,189 INFO L262 CegarLoopResult]: For program point L617(lines 617 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,189 INFO L262 CegarLoopResult]: For program point L3260(lines 3260 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,189 INFO L262 CegarLoopResult]: For program point L2203(lines 2203 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,189 INFO L262 CegarLoopResult]: For program point L90(lines 90 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,189 INFO L262 CegarLoopResult]: For program point L1676(lines 1676 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,189 INFO L262 CegarLoopResult]: For program point L1412(lines 1412 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,189 INFO L262 CegarLoopResult]: For program point L355(lines 355 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,189 INFO L262 CegarLoopResult]: For program point L4055(lines 4055 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,189 INFO L262 CegarLoopResult]: For program point L2470(lines 2470 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,190 INFO L262 CegarLoopResult]: For program point L3527(lines 3527 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,190 INFO L262 CegarLoopResult]: For program point L2999(lines 2999 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,190 INFO L262 CegarLoopResult]: For program point L3792(lines 3792 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,190 INFO L262 CegarLoopResult]: For program point L4585(lines 4585 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,190 INFO L262 CegarLoopResult]: For program point L1150(lines 1150 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,190 INFO L262 CegarLoopResult]: For program point L1943(lines 1943 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,190 INFO L262 CegarLoopResult]: For program point L886(lines 886 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,190 INFO L262 CegarLoopResult]: For program point L2736(lines 2736 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,190 INFO L262 CegarLoopResult]: For program point L4323(lines 4323 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,190 INFO L262 CegarLoopResult]: For program point L3266(lines 3266 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,190 INFO L262 CegarLoopResult]: For program point L95(lines 95 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,190 INFO L262 CegarLoopResult]: For program point L624(lines 624 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,190 INFO L262 CegarLoopResult]: For program point L2210(lines 2210 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,190 INFO L262 CegarLoopResult]: For program point L1682(lines 1682 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,190 INFO L262 CegarLoopResult]: For program point L1418(lines 1418 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,190 INFO L262 CegarLoopResult]: For program point L362(lines 362 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,190 INFO L262 CegarLoopResult]: For program point L1155(lines 1155 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,190 INFO L262 CegarLoopResult]: For program point L4062(lines 4062 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,190 INFO L262 CegarLoopResult]: For program point L2741(lines 2741 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,191 INFO L262 CegarLoopResult]: For program point L3534(lines 3534 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,191 INFO L262 CegarLoopResult]: For program point L2477(lines 2477 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,191 INFO L262 CegarLoopResult]: For program point L3006(lines 3006 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,191 INFO L262 CegarLoopResult]: For program point L3799(lines 3799 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,191 INFO L262 CegarLoopResult]: For program point L1950(lines 1950 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,191 INFO L262 CegarLoopResult]: For program point L4593(lines 4593 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,191 INFO L262 CegarLoopResult]: For program point L2215(lines 2215 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,191 INFO L262 CegarLoopResult]: For program point L894(lines 894 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,191 INFO L262 CegarLoopResult]: For program point L630(lines 630 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,191 INFO L262 CegarLoopResult]: For program point L4330(lines 4330 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,191 INFO L262 CegarLoopResult]: For program point L3273(lines 3273 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,191 INFO L262 CegarLoopResult]: For program point L102(lines 102 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,191 INFO L262 CegarLoopResult]: For program point L1688(lines 1688 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,191 INFO L262 CegarLoopResult]: For program point L1425(lines 1425 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,191 INFO L262 CegarLoopResult]: For program point L3804(lines 3804 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,191 INFO L262 CegarLoopResult]: For program point L2483(lines 2483 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,191 INFO L262 CegarLoopResult]: For program point L369(lines 369 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,191 INFO L262 CegarLoopResult]: For program point L3276(lines 3276 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,191 INFO L262 CegarLoopResult]: For program point L4069(lines 4069 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,191 INFO L262 CegarLoopResult]: For program point L2748(lines 2748 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,192 INFO L262 CegarLoopResult]: For program point L3541(lines 3541 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,192 INFO L262 CegarLoopResult]: For program point L1163(lines 1163 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,192 INFO L262 CegarLoopResult]: For program point L635(lines 635 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,192 INFO L262 CegarLoopResult]: For program point L3014(lines 3014 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,192 INFO L262 CegarLoopResult]: For program point L2486(lines 2486 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,192 INFO L262 CegarLoopResult]: For program point L4600(lines 4600 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,192 INFO L262 CegarLoopResult]: For program point L2222(lines 2222 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,192 INFO L262 CegarLoopResult]: For program point L4336(lines 4336 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,192 INFO L262 CegarLoopResult]: For program point L1958(lines 1958 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,192 INFO L262 CegarLoopResult]: For program point L901(lines 901 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,192 INFO L262 CegarLoopResult]: For program point L109(lines 109 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,192 INFO L262 CegarLoopResult]: For program point L4602(lines 4602 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,192 INFO L262 CegarLoopResult]: For program point L1431(lines 1431 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,192 INFO L262 CegarLoopResult]: For program point L3281(lines 3281 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,192 INFO L262 CegarLoopResult]: For program point L4074(lines 4074 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,192 INFO L262 CegarLoopResult]: For program point L1696(lines 1696 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,192 INFO L262 CegarLoopResult]: For program point L2753(lines 2753 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,192 INFO L262 CegarLoopResult]: For program point L3811(lines 3811 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,192 INFO L262 CegarLoopResult]: For program point L641(lines 641 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,193 INFO L262 CegarLoopResult]: For program point L3548(lines 3548 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,193 INFO L262 CegarLoopResult]: For program point L377(lines 377 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,193 INFO L262 CegarLoopResult]: For program point L1170(lines 1170 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,193 INFO L262 CegarLoopResult]: For program point L3020(lines 3020 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,193 INFO L262 CegarLoopResult]: For program point L2492(lines 2492 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,193 INFO L262 CegarLoopResult]: For program point L3285(lines 3285 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,193 INFO L262 CegarLoopResult]: For program point L907(lines 907 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,193 INFO L262 CegarLoopResult]: For program point L4607(lines 4607 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,193 INFO L262 CegarLoopResult]: For program point L2229(lines 2229 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,193 INFO L262 CegarLoopResult]: For program point L115(lines 115 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,193 INFO L262 CegarLoopResult]: For program point L1965(lines 1965 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,193 INFO L262 CegarLoopResult]: For program point L4344(lines 4344 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,193 INFO L262 CegarLoopResult]: For program point L3816(lines 3816 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,193 INFO L262 CegarLoopResult]: For program point L645(lines 645 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,193 INFO L262 CegarLoopResult]: For program point L1438(lines 1438 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,194 INFO L258 CegarLoopResult]: At program point L4081(lines 2722 4082) the Hoare annotation is: (let ((.cse7 (<= 18 ~a4~0)) (.cse18 (<= ~a4~0 16)) (.cse3 (<= ~a4~0 17)) (.cse19 (<= ~a14~0 19)) (.cse15 (= ~a1~0 1)) (.cse17 (= ~a25~0 1)) (.cse0 (<= 17 ~a28~0)) (.cse1 (= ~a14~0 18)) (.cse9 (<= ~a28~0 15)) (.cse6 (= ~a7~0 1)) (.cse10 (= 19 ~a26~0)) (.cse16 (< 16 ~a4~0)) (.cse12 (<= 16 ~a28~0)) (.cse8 (= 19 ~a14~0)) (.cse5 (<= ~a3~0 0)) (.cse13 (<= 18 ~a26~0)) (.cse11 (<= ~a28~0 16)) (.cse4 (= ~a14~0 20)) (.cse14 (<= ~a26~0 17)) (.cse2 (= ~a3~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse0 .cse5) (and .cse6 .cse7 .cse8 .cse2) (and .cse4 .cse9 .cse5) (and .cse4 .cse0 .cse10 .cse2) (and .cse11 .cse6 .cse7 .cse8 .cse5) (and .cse3 .cse12 .cse1 .cse5 .cse13) (and .cse9 .cse7 .cse14 .cse8 .cse2) (and .cse0 .cse8 .cse2 .cse13) (and .cse7 .cse0 .cse8 .cse2) (and .cse3 .cse11 .cse12 .cse8 .cse2) (and .cse7 .cse9 .cse1 .cse2) (and .cse4 .cse7 .cse0 .cse2) (and .cse7 .cse1 .cse2 .cse13) (and .cse6 .cse7 .cse14 .cse1 .cse5) (and .cse3 .cse4 .cse15 .cse16 .cse17 .cse2 .cse13) (and .cse15 .cse16 .cse9 .cse14 .cse17 .cse8 .cse2) (and .cse3 .cse15 .cse16 .cse12 .cse17 .cse1 .cse2) (and .cse3 .cse9 .cse8 .cse5 .cse13) (and .cse4 .cse6 .cse15 .cse16 .cse12 .cse17 .cse2) (and .cse6 .cse8 .cse5 .cse13) (and .cse6 .cse1 .cse18 .cse5) (and .cse9 .cse8 .cse10 .cse5) (and .cse6 .cse9 .cse8 .cse18 .cse5) (and .cse9 .cse14 .cse1 .cse5) (and .cse3 .cse16 .cse12 .cse8 .cse5) (and .cse4 .cse6 .cse7 .cse12 .cse2) (and .cse3 .cse19 .cse9 .cse1 .cse10 .cse2) (and .cse11 .cse4 .cse16 .cse10 .cse5) (and .cse9 .cse16 .cse1 .cse5) (and .cse3 .cse0 .cse8 .cse5) (and .cse3 .cse19 .cse9 .cse8 .cse2 .cse13) (and .cse4 .cse6 .cse10 .cse2) (and .cse3 .cse4 .cse9 .cse2) (and .cse6 .cse14 .cse1 .cse2 .cse18) (and .cse3 .cse4 .cse14 .cse5) (and .cse6 .cse10 .cse1 .cse5) (and .cse6 .cse12 .cse1 .cse2 .cse18) (and (= ~a4~0 17) (= ~a28~0 15) .cse3 .cse19 .cse6 .cse15 .cse9 .cse17 .cse1 .cse2) (and .cse0 .cse1 .cse5) (and .cse4 .cse9 .cse10 .cse2) (and .cse11 .cse4 .cse6 .cse5) (and .cse12 .cse8 .cse10 .cse2) (and .cse11 .cse16 .cse12 .cse8 .cse5 .cse13) (and .cse11 .cse4 .cse14 .cse2))) [2020-12-09 20:42:08,194 INFO L262 CegarLoopResult]: For program point L2760(lines 2760 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,194 INFO L262 CegarLoopResult]: For program point L382(lines 382 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,194 INFO L262 CegarLoopResult]: For program point L1704(lines 1704 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,194 INFO L262 CegarLoopResult]: For program point L3554(lines 3554 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,194 INFO L262 CegarLoopResult]: For program point L1176(lines 1176 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,194 INFO L262 CegarLoopResult]: For program point L2498(lines 2498 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,194 INFO L262 CegarLoopResult]: For program point L4612(lines 4612 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,194 INFO L262 CegarLoopResult]: For program point L3291(lines 3291 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,194 INFO L262 CegarLoopResult]: For program point L3027(lines 3027 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,194 INFO L262 CegarLoopResult]: For program point L649(lines 649 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,194 INFO L262 CegarLoopResult]: For program point L2235(lines 2235 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,194 INFO L262 CegarLoopResult]: For program point L4085(lines 4085 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,194 INFO L262 CegarLoopResult]: For program point L1971(lines 1971 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,194 INFO L262 CegarLoopResult]: For program point L914(lines 914 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,194 INFO L262 CegarLoopResult]: For program point L122(lines 122 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,194 INFO L262 CegarLoopResult]: For program point L3822(lines 3822 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,194 INFO L262 CegarLoopResult]: For program point L1444(lines 1444 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,195 INFO L262 CegarLoopResult]: For program point L387(lines 387 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,195 INFO L262 CegarLoopResult]: For program point L4351(lines 4351 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,195 INFO L262 CegarLoopResult]: For program point L2766(lines 2766 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,195 INFO L262 CegarLoopResult]: For program point L3031(lines 3031 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,195 INFO L262 CegarLoopResult]: For program point L1710(lines 1710 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,195 INFO L262 CegarLoopResult]: For program point L2503(lines 2503 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,195 INFO L262 CegarLoopResult]: For program point L3561(lines 3561 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,195 INFO L262 CegarLoopResult]: For program point L2240(lines 2240 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,195 INFO L262 CegarLoopResult]: For program point L126(lines 126 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,195 INFO L262 CegarLoopResult]: For program point L4090(lines 4090 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,195 INFO L262 CegarLoopResult]: For program point L919(lines 919 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,195 INFO L262 CegarLoopResult]: For program point L655(lines 655 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,195 INFO L262 CegarLoopResult]: For program point L3298(lines 3298 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,195 INFO L262 CegarLoopResult]: For program point L1184(lines 1184 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,195 INFO L262 CegarLoopResult]: For program point L2770(lines 2770 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,195 INFO L262 CegarLoopResult]: For program point L4620(lines 4620 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,195 INFO L262 CegarLoopResult]: For program point L1450(lines 1450 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,195 INFO L262 CegarLoopResult]: For program point L393(lines 393 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,195 INFO L262 CegarLoopResult]: For program point L4357(lines 4357 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,196 INFO L262 CegarLoopResult]: For program point L1979(lines 1979 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,196 INFO L262 CegarLoopResult]: For program point L1715(lines 1715 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,196 INFO L262 CegarLoopResult]: For program point L3830(lines 3830 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,196 INFO L262 CegarLoopResult]: For program point L3566(lines 3566 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,196 INFO L262 CegarLoopResult]: For program point L2245(lines 2245 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,196 INFO L262 CegarLoopResult]: For program point L131(lines 131 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,196 INFO L262 CegarLoopResult]: For program point L3038(lines 3038 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,196 INFO L262 CegarLoopResult]: For program point L2510(lines 2510 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,196 INFO L262 CegarLoopResult]: For program point L4096(lines 4096 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,196 INFO L262 CegarLoopResult]: For program point L2775(lines 2775 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,196 INFO L262 CegarLoopResult]: For program point L3304(lines 3304 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,196 INFO L262 CegarLoopResult]: For program point L1983(lines 1983 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,196 INFO L262 CegarLoopResult]: For program point L926(lines 926 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,196 INFO L262 CegarLoopResult]: For program point L662(lines 662 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,196 INFO L262 CegarLoopResult]: For program point L1455(lines 1455 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,196 INFO L262 CegarLoopResult]: For program point L398(lines 398 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,196 INFO L262 CegarLoopResult]: For program point L4362(lines 4362 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,196 INFO L262 CegarLoopResult]: For program point L1191(lines 1191 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,196 INFO L262 CegarLoopResult]: For program point L1720(lines 1720 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,196 INFO L262 CegarLoopResult]: For program point L4627(lines 4627 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,196 INFO L262 CegarLoopResult]: For program point L2249(lines 2249 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,197 INFO L262 CegarLoopResult]: For program point L3837(lines 3837 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,197 INFO L262 CegarLoopResult]: For program point L3573(lines 3573 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,197 INFO L262 CegarLoopResult]: For program point L4366(lines 4366 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,197 INFO L262 CegarLoopResult]: For program point L3309(lines 3309 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,197 INFO L262 CegarLoopResult]: For program point L138(lines 138 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,197 INFO L262 CegarLoopResult]: For program point L3045(lines 3045 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,197 INFO L262 CegarLoopResult]: For program point L1460(lines 1460 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,197 INFO L262 CegarLoopResult]: For program point L2517(lines 2517 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,197 INFO L262 CegarLoopResult]: For program point L403(lines 403 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,197 INFO L262 CegarLoopResult]: For program point L1196(lines 1196 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,197 INFO L262 CegarLoopResult]: For program point L2782(lines 2782 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,197 INFO L262 CegarLoopResult]: For program point L4104(lines 4104 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,197 INFO L262 CegarLoopResult]: For program point L1990(lines 1990 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,197 INFO L262 CegarLoopResult]: For program point L934(lines 934 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,197 INFO L262 CegarLoopResult]: For program point L1727(lines 1727 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,197 INFO L262 CegarLoopResult]: For program point L670(lines 670 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,197 INFO L262 CegarLoopResult]: For program point L2256(lines 2256 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,197 INFO L262 CegarLoopResult]: For program point L3050(lines 3050 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,197 INFO L262 CegarLoopResult]: For program point L1465(lines 1465 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,197 INFO L262 CegarLoopResult]: For program point L3315(lines 3315 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,198 INFO L262 CegarLoopResult]: For program point L4372(lines 4372 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,198 INFO L262 CegarLoopResult]: For program point L1201(lines 1201 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,198 INFO L262 CegarLoopResult]: For program point L3844(lines 3844 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,198 INFO L262 CegarLoopResult]: For program point L3580(lines 3580 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,198 INFO L262 CegarLoopResult]: For program point L146(lines 146 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,198 INFO L262 CegarLoopResult]: For program point L2789(lines 2789 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,198 INFO L262 CegarLoopResult]: For program point L2525(lines 2525 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,198 INFO L262 CegarLoopResult]: For program point L411(lines 411 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,198 INFO L262 CegarLoopResult]: For program point L4111(lines 4111 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,198 INFO L262 CegarLoopResult]: For program point L1997(lines 1997 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,198 INFO L262 CegarLoopResult]: For program point L676(lines 676 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,198 INFO L262 CegarLoopResult]: For program point L2262(lines 2262 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,198 INFO L262 CegarLoopResult]: For program point L941(lines 941 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,198 INFO L262 CegarLoopResult]: For program point L1734(lines 1734 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,198 INFO L262 CegarLoopResult]: For program point L3584(lines 3584 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,198 INFO L262 CegarLoopResult]: For program point L3320(lines 3320 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,198 INFO L262 CegarLoopResult]: For program point L1471(lines 1471 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,198 INFO L262 CegarLoopResult]: For program point L4378(lines 4378 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,198 INFO L262 CegarLoopResult]: For program point L1207(lines 1207 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,198 INFO L262 CegarLoopResult]: For program point L3057(lines 3057 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,199 INFO L262 CegarLoopResult]: For program point L3850(lines 3850 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,199 INFO L262 CegarLoopResult]: For program point L151(lines 151 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,199 INFO L262 CegarLoopResult]: For program point L2794(lines 2794 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,199 INFO L262 CegarLoopResult]: For program point L416(lines 416 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,199 INFO L262 CegarLoopResult]: For program point L4116(lines 4116 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,199 INFO L262 CegarLoopResult]: For program point L2531(lines 2531 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,199 INFO L262 CegarLoopResult]: For program point L946(lines 946 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,199 INFO L262 CegarLoopResult]: For program point L682(lines 682 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,199 INFO L262 CegarLoopResult]: For program point L2004(lines 2004 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,199 INFO L262 CegarLoopResult]: For program point L3590(lines 3590 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,199 INFO L262 CegarLoopResult]: For program point L2269(lines 2269 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,199 INFO L262 CegarLoopResult]: For program point L3062(lines 3062 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,199 INFO L262 CegarLoopResult]: For program point L1477(lines 1477 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,199 INFO L262 CegarLoopResult]: For program point L3327(lines 3327 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,199 INFO L262 CegarLoopResult]: For program point L4384(lines 4384 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,199 INFO L262 CegarLoopResult]: For program point L1213(lines 1213 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,199 INFO L262 CegarLoopResult]: For program point L3856(lines 3856 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,199 INFO L262 CegarLoopResult]: For program point L1742(lines 1742 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,199 INFO L262 CegarLoopResult]: For program point L157(lines 157 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,199 INFO L262 CegarLoopResult]: For program point L422(lines 422 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,200 INFO L262 CegarLoopResult]: For program point L4122(lines 4122 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,200 INFO L262 CegarLoopResult]: For program point L2801(lines 2801 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,200 INFO L262 CegarLoopResult]: For program point L2273(lines 2273 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,200 INFO L262 CegarLoopResult]: For program point L2009(lines 2009 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,200 INFO L262 CegarLoopResult]: For program point L952(lines 952 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,200 INFO L262 CegarLoopResult]: For program point L1481(lines 1481 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,200 INFO L262 CegarLoopResult]: For program point L689(lines 689 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,200 INFO L262 CegarLoopResult]: For program point L2539(lines 2539 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,200 INFO L262 CegarLoopResult]: For program point L1218(lines 1218 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,200 INFO L262 CegarLoopResult]: For program point L161(lines 161 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,200 INFO L262 CegarLoopResult]: For program point L3068(lines 3068 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,200 INFO L262 CegarLoopResult]: For program point L3862(lines 3862 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,200 INFO L262 CegarLoopResult]: For program point L1748(lines 1748 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,200 INFO L262 CegarLoopResult]: For program point L3598(lines 3598 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,200 INFO L262 CegarLoopResult]: For program point L1484(lines 1484 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,200 INFO L262 CegarLoopResult]: For program point L3334(lines 3334 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,200 INFO L262 CegarLoopResult]: For program point L2806(lines 2806 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,200 INFO L262 CegarLoopResult]: For program point L2278(lines 2278 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,200 INFO L262 CegarLoopResult]: For program point L4392(lines 4392 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,200 INFO L262 CegarLoopResult]: For program point L4128(lines 4128 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,201 INFO L262 CegarLoopResult]: For program point L429(lines 429 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,201 INFO L262 CegarLoopResult]: For program point L165(lines 165 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,201 INFO L262 CegarLoopResult]: For program point L694(lines 694 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,201 INFO L262 CegarLoopResult]: For program point L2016(lines 2016 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,201 INFO L262 CegarLoopResult]: For program point L2545(lines 2545 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,201 INFO L262 CegarLoopResult]: For program point L1224(lines 1224 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,201 INFO L262 CegarLoopResult]: For program point L960(lines 960 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,201 INFO L262 CegarLoopResult]: For program point L3867(lines 3867 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,201 INFO L262 CegarLoopResult]: For program point L3603(lines 3603 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,201 INFO L262 CegarLoopResult]: For program point L3075(lines 3075 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,201 INFO L262 CegarLoopResult]: For program point L2811(lines 2811 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,201 INFO L262 CegarLoopResult]: For program point L3340(lines 3340 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,201 INFO L262 CegarLoopResult]: For program point L4397(lines 4397 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,201 INFO L262 CegarLoopResult]: For program point L1755(lines 1755 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,201 INFO L262 CegarLoopResult]: For program point L1491(lines 1491 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,201 INFO L262 CegarLoopResult]: For program point L434(lines 434 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,201 INFO L262 CegarLoopResult]: For program point L170(lines 170 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,201 INFO L262 CegarLoopResult]: For program point L4135(lines 4135 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,201 INFO L262 CegarLoopResult]: For program point L2286(lines 2286 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,201 INFO L262 CegarLoopResult]: For program point L2022(lines 2022 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,202 INFO L262 CegarLoopResult]: For program point L701(lines 701 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,202 INFO L262 CegarLoopResult]: For program point L2551(lines 2551 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,202 INFO L262 CegarLoopResult]: For program point L966(lines 966 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,202 INFO L262 CegarLoopResult]: For program point L1231(lines 1231 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,202 INFO L262 CegarLoopResult]: For program point L3081(lines 3081 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,202 INFO L262 CegarLoopResult]: For program point L3874(lines 3874 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,202 INFO L262 CegarLoopResult]: For program point L3610(lines 3610 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,202 INFO L262 CegarLoopResult]: For program point L1496(lines 1496 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,202 INFO L262 CegarLoopResult]: For program point L2818(lines 2818 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,202 INFO L262 CegarLoopResult]: For program point L1761(lines 1761 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,202 INFO L262 CegarLoopResult]: For program point L440(lines 440 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,202 INFO L262 CegarLoopResult]: For program point L3347(lines 3347 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,202 INFO L262 CegarLoopResult]: For program point L4404(lines 4404 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,202 INFO L262 CegarLoopResult]: For program point L176(lines 176 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,202 INFO L262 CegarLoopResult]: For program point L2291(lines 2291 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,202 INFO L262 CegarLoopResult]: For program point L4141(lines 4141 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,202 INFO L262 CegarLoopResult]: For program point L3085(lines 3085 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,202 INFO L262 CegarLoopResult]: For program point L2029(lines 2029 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,202 INFO L262 CegarLoopResult]: For program point L3879(lines 3879 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,202 INFO L262 CegarLoopResult]: For program point L708(lines 708 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,203 INFO L262 CegarLoopResult]: For program point L2558(lines 2558 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,203 INFO L262 CegarLoopResult]: For program point L4408(lines 4408 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,203 INFO L262 CegarLoopResult]: For program point L1237(lines 1237 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,203 INFO L262 CegarLoopResult]: For program point L973(lines 973 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,203 INFO L262 CegarLoopResult]: For program point L3617(lines 3617 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,203 INFO L262 CegarLoopResult]: For program point L1503(lines 1503 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,203 INFO L262 CegarLoopResult]: For program point L446(lines 446 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,203 INFO L262 CegarLoopResult]: For program point L2825(lines 2825 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,203 INFO L262 CegarLoopResult]: For program point L3354(lines 3354 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,203 INFO L262 CegarLoopResult]: For program point L183(lines 183 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,203 INFO L262 CegarLoopResult]: For program point L2033(lines 2033 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,203 INFO L262 CegarLoopResult]: For program point L1769(lines 1769 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,203 INFO L262 CegarLoopResult]: For program point L2298(lines 2298 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,203 INFO L262 CegarLoopResult]: For program point L4148(lines 4148 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,203 INFO L262 CegarLoopResult]: For program point L3091(lines 3091 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,203 INFO L262 CegarLoopResult]: For program point L1242(lines 1242 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,203 INFO L262 CegarLoopResult]: For program point L978(lines 978 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,203 INFO L262 CegarLoopResult]: For program point L714(lines 714 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,203 INFO L262 CegarLoopResult]: For program point L2564(lines 2564 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,203 INFO L262 CegarLoopResult]: For program point L450(lines 450 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,204 INFO L262 CegarLoopResult]: For program point L3886(lines 3886 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,204 INFO L262 CegarLoopResult]: For program point L3622(lines 3622 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,204 INFO L262 CegarLoopResult]: For program point L4415(lines 4415 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,204 INFO L262 CegarLoopResult]: For program point L3359(lines 3359 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,204 INFO L262 CegarLoopResult]: For program point L1510(lines 1510 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,204 INFO L262 CegarLoopResult]: For program point L1246(lines 1246 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,204 INFO L262 CegarLoopResult]: For program point L2303(lines 2303 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,204 INFO L262 CegarLoopResult]: For program point L189(lines 189 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,204 INFO L262 CegarLoopResult]: For program point L2039(lines 2039 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,204 INFO L262 CegarLoopResult]: For program point L2832(lines 2832 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,204 INFO L262 CegarLoopResult]: For program point L454(lines 454 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,204 INFO L262 CegarLoopResult]: For program point L3097(lines 3097 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,204 INFO L262 CegarLoopResult]: For program point L1776(lines 1776 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,204 INFO L262 CegarLoopResult]: For program point L4155(lines 4155 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,204 INFO L262 CegarLoopResult]: For program point L457(lines 457 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,204 INFO L262 CegarLoopResult]: For program point L986(lines 986 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,204 INFO L262 CegarLoopResult]: For program point L3893(lines 3893 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,204 INFO L262 CegarLoopResult]: For program point L722(lines 722 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,204 INFO L262 CegarLoopResult]: For program point L2572(lines 2572 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,204 INFO L262 CegarLoopResult]: For program point L3629(lines 3629 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,205 INFO L262 CegarLoopResult]: For program point L3365(lines 3365 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,205 INFO L262 CegarLoopResult]: For program point L1516(lines 1516 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,205 INFO L262 CegarLoopResult]: For program point L4423(lines 4423 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,205 INFO L262 CegarLoopResult]: For program point L1252(lines 1252 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,205 INFO L262 CegarLoopResult]: For program point L2309(lines 2309 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,205 INFO L262 CegarLoopResult]: For program point L195(lines 195 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,205 INFO L262 CegarLoopResult]: For program point L3102(lines 3102 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,205 INFO L262 CegarLoopResult]: For program point L2045(lines 2045 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,205 INFO L262 CegarLoopResult]: For program point L1781(lines 1781 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,205 INFO L262 CegarLoopResult]: For program point L2574(lines 2574 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,205 INFO L262 CegarLoopResult]: For program point L2839(lines 2839 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,205 INFO L262 CegarLoopResult]: For program point L3897(lines 3897 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,205 INFO L262 CegarLoopResult]: For program point L4162(lines 4162 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,205 INFO L262 CegarLoopResult]: For program point L3370(lines 3370 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,205 INFO L262 CegarLoopResult]: For program point L992(lines 992 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,205 INFO L262 CegarLoopResult]: For program point L464(lines 464 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,205 INFO L262 CegarLoopResult]: For program point L2314(lines 2314 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,205 INFO L262 CegarLoopResult]: For program point L4428(lines 4428 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,205 INFO L262 CegarLoopResult]: For program point L3900(lines 3900 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,205 INFO L262 CegarLoopResult]: For program point L1786(lines 1786 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,206 INFO L262 CegarLoopResult]: For program point L729(lines 729 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,206 INFO L262 CegarLoopResult]: For program point L3636(lines 3636 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,206 INFO L262 CegarLoopResult]: For program point L1522(lines 1522 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,206 INFO L262 CegarLoopResult]: For program point L2051(lines 2051 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,206 INFO L262 CegarLoopResult]: For program point L2844(lines 2844 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,206 INFO L262 CegarLoopResult]: For program point L1259(lines 1259 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,206 INFO L262 CegarLoopResult]: For program point L202(lines 202 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,206 INFO L262 CegarLoopResult]: For program point L2581(lines 2581 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,206 INFO L262 CegarLoopResult]: For program point L3110(lines 3110 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,206 INFO L262 CegarLoopResult]: For program point L4168(lines 4168 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,206 INFO L262 CegarLoopResult]: For program point L998(lines 998 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,206 INFO L262 CegarLoopResult]: For program point L734(lines 734 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,206 INFO L262 CegarLoopResult]: For program point L3641(lines 3641 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,206 INFO L262 CegarLoopResult]: For program point L1527(lines 1527 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,206 INFO L262 CegarLoopResult]: For program point L4434(lines 4434 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,206 INFO L262 CegarLoopResult]: For program point L2320(lines 2320 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,206 INFO L262 CegarLoopResult]: For program point L3377(lines 3377 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,206 INFO L262 CegarLoopResult]: For program point L3906(lines 3906 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,206 INFO L262 CegarLoopResult]: For program point L471(lines 471 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,206 INFO L262 CegarLoopResult]: For program point L2057(lines 2057 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,207 INFO L262 CegarLoopResult]: For program point L2850(lines 2850 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,207 INFO L262 CegarLoopResult]: For program point L1793(lines 1793 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,207 INFO L262 CegarLoopResult]: For program point L1265(lines 1265 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,207 INFO L262 CegarLoopResult]: For program point L208(lines 208 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,207 INFO L262 CegarLoopResult]: For program point L738(lines 738 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,207 INFO L262 CegarLoopResult]: For program point L2588(lines 2588 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,207 INFO L262 CegarLoopResult]: For program point L4438(lines 4438 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,207 INFO L262 CegarLoopResult]: For program point L4174(lines 4174 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,207 INFO L262 CegarLoopResult]: For program point L3117(lines 3117 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,207 INFO L262 CegarLoopResult]: For program point L3646(lines 3646 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,207 INFO L262 CegarLoopResult]: For program point L1005(lines 1005 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,207 INFO L262 CegarLoopResult]: For program point L1534(lines 1534 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,207 INFO L262 CegarLoopResult]: For program point L477(lines 477 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,207 INFO L262 CegarLoopResult]: For program point L3384(lines 3384 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,207 INFO L262 CegarLoopResult]: For program point L2327(lines 2327 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,207 INFO L262 CegarLoopResult]: For program point L2856(lines 2856 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,207 INFO L262 CegarLoopResult]: For program point L3913(lines 3913 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,207 INFO L262 CegarLoopResult]: For program point L1271(lines 1271 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,207 INFO L262 CegarLoopResult]: For program point L214(lines 214 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,207 INFO L262 CegarLoopResult]: For program point L1800(lines 1800 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,208 INFO L262 CegarLoopResult]: For program point L2593(lines 2593 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,208 INFO L262 CegarLoopResult]: For program point L4443(lines 4443 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,208 INFO L262 CegarLoopResult]: For program point L2065(lines 2065 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,208 INFO L262 CegarLoopResult]: For program point L744(lines 744 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,208 INFO L262 CegarLoopResult]: For program point L3651(lines 3651 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,208 INFO L262 CegarLoopResult]: For program point L4180(lines 4180 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,208 INFO L262 CegarLoopResult]: For program point L3916(lines 3916 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,208 INFO L262 CegarLoopResult]: For program point L4709-1(lines 4084 4818) no Hoare annotation was computed. [2020-12-09 20:42:08,208 INFO L262 CegarLoopResult]: For program point L3124(lines 3124 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,208 INFO L262 CegarLoopResult]: For program point L482(lines 482 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,208 INFO L262 CegarLoopResult]: For program point L1011(lines 1011 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,208 INFO L262 CegarLoopResult]: For program point L1540(lines 1540 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,208 INFO L262 CegarLoopResult]: For program point L1276(lines 1276 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,208 INFO L262 CegarLoopResult]: For program point L2862(lines 2862 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,208 INFO L262 CegarLoopResult]: For program point L4712-1(lines 4084 4818) no Hoare annotation was computed. [2020-12-09 20:42:08,208 INFO L262 CegarLoopResult]: For program point L2334(lines 2334 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,208 INFO L262 CegarLoopResult]: For program point L3391(lines 3391 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,208 INFO L262 CegarLoopResult]: For program point L4448(lines 4448 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,208 INFO L262 CegarLoopResult]: For program point L220(lines 220 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,209 INFO L262 CegarLoopResult]: For program point L4184(lines 4184 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,209 INFO L262 CegarLoopResult]: For program point L4713(line 4713) no Hoare annotation was computed. [2020-12-09 20:42:08,209 INFO L262 CegarLoopResult]: For program point L2599(lines 2599 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,209 INFO L262 CegarLoopResult]: For program point L1807(lines 1807 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,209 INFO L262 CegarLoopResult]: For program point L750(lines 750 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,209 INFO L262 CegarLoopResult]: For program point L2072(lines 2072 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,209 INFO L262 CegarLoopResult]: For program point L3129(lines 3129 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,209 INFO L262 CegarLoopResult]: For program point L3922(lines 3922 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,209 INFO L262 CegarLoopResult]: For program point L3658(lines 3658 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,209 INFO L262 CegarLoopResult]: For program point L488(lines 488 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,209 INFO L262 CegarLoopResult]: For program point L1546(lines 1546 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,209 INFO L262 CegarLoopResult]: For program point L3396(lines 3396 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,209 INFO L262 CegarLoopResult]: For program point L4453(lines 4453 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,209 INFO L262 CegarLoopResult]: For program point L1282(lines 1282 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,209 INFO L262 CegarLoopResult]: For program point L1018(lines 1018 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,209 INFO L262 CegarLoopResult]: For program point L2868(lines 2868 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,209 INFO L262 CegarLoopResult]: For program point L2340(lines 2340 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,209 INFO L262 CegarLoopResult]: For program point L1812(lines 1812 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,209 INFO L262 CegarLoopResult]: For program point L227(lines 227 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,209 INFO L262 CegarLoopResult]: For program point L4191(lines 4191 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,210 INFO L262 CegarLoopResult]: For program point L756(lines 756 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,210 INFO L262 CegarLoopResult]: For program point L2078(lines 2078 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,210 INFO L262 CegarLoopResult]: For program point L3135(lines 3135 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,210 INFO L262 CegarLoopResult]: For program point L2607(lines 2607 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,210 INFO L262 CegarLoopResult]: For program point L3929(lines 3929 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,210 INFO L262 CegarLoopResult]: For program point L3665(lines 3665 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,210 INFO L262 CegarLoopResult]: For program point L1551(lines 1551 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,210 INFO L262 CegarLoopResult]: For program point L4458(lines 4458 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,210 INFO L262 CegarLoopResult]: For program point L1287(lines 1287 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,210 INFO L262 CegarLoopResult]: For program point L1023(lines 1023 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,210 INFO L262 CegarLoopResult]: For program point L495(lines 495 1382) no Hoare annotation was computed. [2020-12-09 20:42:08,210 INFO L262 CegarLoopResult]: For program point L2346(lines 2346 2719) no Hoare annotation was computed. [2020-12-09 20:42:08,210 INFO L262 CegarLoopResult]: For program point L3403(lines 3403 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,210 INFO L262 CegarLoopResult]: For program point L4196(lines 4196 4633) no Hoare annotation was computed. [2020-12-09 20:42:08,210 INFO L262 CegarLoopResult]: For program point L2875(lines 2875 4081) no Hoare annotation was computed. [2020-12-09 20:42:08,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 08:42:08 BoogieIcfgContainer [2020-12-09 20:42:08,252 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 20:42:08,253 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 20:42:08,253 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 20:42:08,253 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 20:42:08,253 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:38:53" (3/4) ... [2020-12-09 20:42:08,256 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 20:42:08,307 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 105 nodes and edges [2020-12-09 20:42:08,315 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2020-12-09 20:42:08,323 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-12-09 20:42:08,332 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-12-09 20:42:08,651 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8cf54ac1-7295-4c5f-a086-7a4c15dd4975/bin/utaipan/witness.graphml [2020-12-09 20:42:08,651 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 20:42:08,652 INFO L168 Benchmark]: Toolchain (without parser) took 200566.70 ms. Allocated memory was 100.7 MB in the beginning and 6.0 GB in the end (delta: 5.9 GB). Free memory was 66.5 MB in the beginning and 2.0 GB in the end (delta: -2.0 GB). Peak memory consumption was 5.3 GB. Max. memory is 16.1 GB. [2020-12-09 20:42:08,652 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 100.7 MB. Free memory is still 79.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 20:42:08,652 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1458.35 ms. Allocated memory was 100.7 MB in the beginning and 134.2 MB in the end (delta: 33.6 MB). Free memory was 66.5 MB in the beginning and 63.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 58.6 MB. Max. memory is 16.1 GB. [2020-12-09 20:42:08,652 INFO L168 Benchmark]: Boogie Procedure Inliner took 172.69 ms. Allocated memory was 134.2 MB in the beginning and 161.5 MB in the end (delta: 27.3 MB). Free memory was 63.5 MB in the beginning and 80.3 MB in the end (delta: -16.8 MB). Peak memory consumption was 31.3 MB. Max. memory is 16.1 GB. [2020-12-09 20:42:08,653 INFO L168 Benchmark]: Boogie Preprocessor took 151.81 ms. Allocated memory is still 161.5 MB. Free memory was 80.3 MB in the beginning and 72.0 MB in the end (delta: 8.3 MB). Peak memory consumption was 43.8 MB. Max. memory is 16.1 GB. [2020-12-09 20:42:08,653 INFO L168 Benchmark]: RCFGBuilder took 3663.31 ms. Allocated memory was 161.5 MB in the beginning and 333.4 MB in the end (delta: 172.0 MB). Free memory was 72.0 MB in the beginning and 86.5 MB in the end (delta: -14.6 MB). Peak memory consumption was 189.8 MB. Max. memory is 16.1 GB. [2020-12-09 20:42:08,653 INFO L168 Benchmark]: TraceAbstraction took 194716.89 ms. Allocated memory was 333.4 MB in the beginning and 6.0 GB in the end (delta: 5.7 GB). Free memory was 86.5 MB in the beginning and 783.0 MB in the end (delta: -696.5 MB). Peak memory consumption was 5.2 GB. Max. memory is 16.1 GB. [2020-12-09 20:42:08,653 INFO L168 Benchmark]: Witness Printer took 398.48 ms. Allocated memory is still 6.0 GB. Free memory was 783.0 MB in the beginning and 2.0 GB in the end (delta: -1.3 GB). Peak memory consumption was 94.4 MB. Max. memory is 16.1 GB. [2020-12-09 20:42:08,655 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 100.7 MB. Free memory is still 79.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1458.35 ms. Allocated memory was 100.7 MB in the beginning and 134.2 MB in the end (delta: 33.6 MB). Free memory was 66.5 MB in the beginning and 63.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 58.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 172.69 ms. Allocated memory was 134.2 MB in the beginning and 161.5 MB in the end (delta: 27.3 MB). Free memory was 63.5 MB in the beginning and 80.3 MB in the end (delta: -16.8 MB). Peak memory consumption was 31.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 151.81 ms. Allocated memory is still 161.5 MB. Free memory was 80.3 MB in the beginning and 72.0 MB in the end (delta: 8.3 MB). Peak memory consumption was 43.8 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3663.31 ms. Allocated memory was 161.5 MB in the beginning and 333.4 MB in the end (delta: 172.0 MB). Free memory was 72.0 MB in the beginning and 86.5 MB in the end (delta: -14.6 MB). Peak memory consumption was 189.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 194716.89 ms. Allocated memory was 333.4 MB in the beginning and 6.0 GB in the end (delta: 5.7 GB). Free memory was 86.5 MB in the beginning and 783.0 MB in the end (delta: -696.5 MB). Peak memory consumption was 5.2 GB. Max. memory is 16.1 GB. * Witness Printer took 398.48 ms. Allocated memory is still 6.0 GB. Free memory was 783.0 MB in the beginning and 2.0 GB in the end (delta: -1.3 GB). Peak memory consumption was 94.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4713]: 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: (((((((((((((((((((((((((((((((((((((((((((((17 <= a28 && a14 == 18) && a3 == 1) || (((a4 <= 17 && a14 == 20) && 17 <= a28) && a3 <= 0)) || (((a7 == 1 && 18 <= a4) && 19 == a14) && a3 == 1)) || ((a14 == 20 && a28 <= 15) && a3 <= 0)) || (((a14 == 20 && 17 <= a28) && 19 == a26) && a3 == 1)) || ((((a28 <= 16 && a7 == 1) && 18 <= a4) && 19 == a14) && a3 <= 0)) || (((a28 <= 15 && 18 <= a4) && a14 == 18) && a3 == 1)) || (((((a4 <= 17 && a7 == 1) && 16 <= a28) && a14 == 18) && a3 == 1) && a4 <= 16)) || ((((a28 <= 15 && 18 <= a4) && a26 <= 17) && 19 == a14) && a3 == 1)) || ((((a4 <= 17 && 16 <= a28) && a14 == 18) && a3 <= 0) && 18 <= a26)) || (((17 <= a28 && 19 == a14) && a3 == 1) && 18 <= a26)) || (((18 <= a4 && 17 <= a28) && 19 == a14) && a3 == 1)) || ((((a4 <= 17 && a28 <= 16) && 16 <= a28) && 19 == a14) && a3 == 1)) || ((((a14 == 20 && a28 <= 16) && 16 < a4) && 19 == a26) && a3 <= 0)) || (((18 <= a4 && a14 == 18) && a3 == 1) && 18 <= a26)) || (((a14 == 20 && 18 <= a4) && 17 <= a28) && a3 == 1)) || ((((((a1 == 1 && a28 <= 15) && 16 < a4) && a26 <= 17) && a25 == 1) && 19 == a14) && a3 == 1)) || ((((a7 == 1 && 18 <= a4) && a26 <= 17) && a14 == 18) && a3 <= 0)) || ((((((a4 <= 17 && a14 == 20) && a1 == 1) && 16 < a4) && a25 == 1) && a3 == 1) && 18 <= a26)) || ((((((a4 <= 17 && a1 == 1) && 16 < a4) && 16 <= a28) && a25 == 1) && a14 == 18) && a3 == 1)) || ((((a4 <= 17 && a28 <= 15) && 19 == a14) && a3 <= 0) && 18 <= a26)) || ((((((a14 == 20 && a1 == 1) && a7 == 1) && 16 < a4) && 16 <= a28) && a25 == 1) && a3 == 1)) || (((a7 == 1 && 19 == a14) && a3 <= 0) && 18 <= a26)) || (((a7 == 1 && a14 == 18) && a4 <= 16) && a3 <= 0)) || (((a28 <= 15 && 19 == a14) && 19 == a26) && a3 <= 0)) || ((((a7 == 1 && a28 <= 15) && 19 == a14) && a4 <= 16) && a3 <= 0)) || (((a28 <= 15 && a26 <= 17) && a14 == 18) && a3 <= 0)) || ((((a4 <= 17 && 16 < a4) && 16 <= a28) && 19 == a14) && a3 <= 0)) || ((((a14 == 20 && a7 == 1) && 18 <= a4) && 16 <= a28) && a3 == 1)) || (((a28 <= 15 && 16 < a4) && a14 == 18) && a3 <= 0)) || (((a14 == 20 && a28 <= 16) && a7 == 1) && a3 <= 0)) || (((a4 <= 17 && 17 <= a28) && 19 == a14) && a3 <= 0)) || (((((a4 <= 17 && a14 <= 19) && a28 <= 15) && 19 == a14) && a3 == 1) && 18 <= a26)) || (((a4 <= 17 && a14 == 20) && a28 <= 15) && a3 == 1)) || (((a14 == 20 && a7 == 1) && 19 == a26) && a3 == 1)) || ((((a7 == 1 && a26 <= 17) && a14 == 18) && a3 == 1) && a4 <= 16)) || (((a4 <= 17 && a14 == 20) && a26 <= 17) && a3 <= 0)) || (((a7 == 1 && 19 == a26) && a14 == 18) && a3 <= 0)) || (((((((((a4 == 17 && a28 == 15) && a4 <= 17) && a14 <= 19) && a7 == 1) && a1 == 1) && a28 <= 15) && a25 == 1) && a14 == 18) && a3 == 1)) || ((17 <= a28 && a14 == 18) && a3 <= 0)) || (((a14 == 20 && a28 <= 15) && 19 == a26) && a3 == 1)) || (((16 <= a28 && 19 == a14) && 19 == a26) && a3 == 1)) || (((((a28 <= 16 && 16 < a4) && 16 <= a28) && 19 == a14) && a3 <= 0) && 18 <= a26)) || (((((a4 <= 17 && a14 <= 19) && a28 <= 15) && 19 == a26) && a14 == 18) && a3 == 1)) || (((a28 <= 16 && a14 == 20) && a26 <= 17) && a3 == 1) - InvariantResult [Line: 4820]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((17 <= a28 && a14 == 18) && a3 == 1) || (((a4 <= 17 && a14 == 20) && 17 <= a28) && a3 <= 0)) || (((a7 == 1 && 18 <= a4) && 19 == a14) && a3 == 1)) || ((a14 == 20 && a28 <= 15) && a3 <= 0)) || (((a14 == 20 && 17 <= a28) && 19 == a26) && a3 == 1)) || ((((a28 <= 16 && a7 == 1) && 18 <= a4) && 19 == a14) && a3 <= 0)) || (((a28 <= 15 && 18 <= a4) && a14 == 18) && a3 == 1)) || (((((a4 <= 17 && a7 == 1) && 16 <= a28) && a14 == 18) && a3 == 1) && a4 <= 16)) || ((((a28 <= 15 && 18 <= a4) && a26 <= 17) && 19 == a14) && a3 == 1)) || ((((a4 <= 17 && 16 <= a28) && a14 == 18) && a3 <= 0) && 18 <= a26)) || (((17 <= a28 && 19 == a14) && a3 == 1) && 18 <= a26)) || (((18 <= a4 && 17 <= a28) && 19 == a14) && a3 == 1)) || ((((a4 <= 17 && a28 <= 16) && 16 <= a28) && 19 == a14) && a3 == 1)) || ((((a14 == 20 && a28 <= 16) && 16 < a4) && 19 == a26) && a3 <= 0)) || (((18 <= a4 && a14 == 18) && a3 == 1) && 18 <= a26)) || (((a14 == 20 && 18 <= a4) && 17 <= a28) && a3 == 1)) || ((((((a1 == 1 && a28 <= 15) && 16 < a4) && a26 <= 17) && a25 == 1) && 19 == a14) && a3 == 1)) || ((((a7 == 1 && 18 <= a4) && a26 <= 17) && a14 == 18) && a3 <= 0)) || ((((((a4 <= 17 && a14 == 20) && a1 == 1) && 16 < a4) && a25 == 1) && a3 == 1) && 18 <= a26)) || ((((((a4 <= 17 && a1 == 1) && 16 < a4) && 16 <= a28) && a25 == 1) && a14 == 18) && a3 == 1)) || ((((a4 <= 17 && a28 <= 15) && 19 == a14) && a3 <= 0) && 18 <= a26)) || ((((((a14 == 20 && a1 == 1) && a7 == 1) && 16 < a4) && 16 <= a28) && a25 == 1) && a3 == 1)) || (((a7 == 1 && 19 == a14) && a3 <= 0) && 18 <= a26)) || (((a7 == 1 && a14 == 18) && a4 <= 16) && a3 <= 0)) || (((a28 <= 15 && 19 == a14) && 19 == a26) && a3 <= 0)) || ((((a7 == 1 && a28 <= 15) && 19 == a14) && a4 <= 16) && a3 <= 0)) || (((a28 <= 15 && a26 <= 17) && a14 == 18) && a3 <= 0)) || ((((a4 <= 17 && 16 < a4) && 16 <= a28) && 19 == a14) && a3 <= 0)) || ((((a14 == 20 && a7 == 1) && 18 <= a4) && 16 <= a28) && a3 == 1)) || (((a28 <= 15 && 16 < a4) && a14 == 18) && a3 <= 0)) || (((a14 == 20 && a28 <= 16) && a7 == 1) && a3 <= 0)) || (((a4 <= 17 && 17 <= a28) && 19 == a14) && a3 <= 0)) || (((((a4 <= 17 && a14 <= 19) && a28 <= 15) && 19 == a14) && a3 == 1) && 18 <= a26)) || (((a4 <= 17 && a14 == 20) && a28 <= 15) && a3 == 1)) || (((a14 == 20 && a7 == 1) && 19 == a26) && a3 == 1)) || ((((a7 == 1 && a26 <= 17) && a14 == 18) && a3 == 1) && a4 <= 16)) || (((a4 <= 17 && a14 == 20) && a26 <= 17) && a3 <= 0)) || (((a7 == 1 && 19 == a26) && a14 == 18) && a3 <= 0)) || (((((((((a4 == 17 && a28 == 15) && a4 <= 17) && a14 <= 19) && a7 == 1) && a1 == 1) && a28 <= 15) && a25 == 1) && a14 == 18) && a3 == 1)) || ((17 <= a28 && a14 == 18) && a3 <= 0)) || (((a14 == 20 && a28 <= 15) && 19 == a26) && a3 == 1)) || (((16 <= a28 && 19 == a14) && 19 == a26) && a3 == 1)) || (((((a28 <= 16 && 16 < a4) && 16 <= a28) && 19 == a14) && a3 <= 0) && 18 <= a26)) || (((((a4 <= 17 && a14 <= 19) && a28 <= 15) && 19 == a26) && a14 == 18) && a3 == 1)) || (((a28 <= 16 && a14 == 20) && a26 <= 17) && a3 == 1) - InvariantResult [Line: 1385]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((17 <= a28 && a14 == 18) && a3 == 1) || (((a4 <= 17 && a14 == 20) && 17 <= a28) && a3 <= 0)) || (((a7 == 1 && 18 <= a4) && 19 == a14) && a3 == 1)) || ((a14 == 20 && a28 <= 15) && a3 <= 0)) || (((a14 == 20 && 17 <= a28) && 19 == a26) && a3 == 1)) || ((((a28 <= 16 && a7 == 1) && 18 <= a4) && 19 == a14) && a3 <= 0)) || ((((a4 <= 17 && 16 <= a28) && a14 == 18) && a3 <= 0) && 18 <= a26)) || ((((a28 <= 15 && 18 <= a4) && a26 <= 17) && 19 == a14) && a3 == 1)) || (((17 <= a28 && 19 == a14) && a3 == 1) && 18 <= a26)) || (((18 <= a4 && 17 <= a28) && 19 == a14) && a3 == 1)) || ((((a4 <= 17 && a28 <= 16) && 16 <= a28) && 19 == a14) && a3 == 1)) || ((((a14 == 20 && a28 <= 16) && 16 < a4) && 19 == a26) && a3 <= 0)) || (((18 <= a4 && a28 <= 15) && a14 == 18) && a3 == 1)) || (((a14 == 20 && 18 <= a4) && 17 <= a28) && a3 == 1)) || (((18 <= a4 && a14 == 18) && a3 == 1) && 18 <= a26)) || ((((a7 == 1 && 18 <= a4) && a26 <= 17) && a14 == 18) && a3 <= 0)) || ((((((a4 <= 17 && a14 == 20) && a1 == 1) && 16 < a4) && a25 == 1) && a3 == 1) && 18 <= a26)) || ((((((a1 == 1 && 16 < a4) && a28 <= 15) && a26 <= 17) && a25 == 1) && 19 == a14) && a3 == 1)) || ((((((a4 <= 17 && a1 == 1) && 16 < a4) && 16 <= a28) && a25 == 1) && a14 == 18) && a3 == 1)) || ((((a4 <= 17 && a28 <= 15) && 19 == a14) && a3 <= 0) && 18 <= a26)) || ((((((a14 == 20 && a7 == 1) && a1 == 1) && 16 < a4) && 16 <= a28) && a25 == 1) && a3 == 1)) || (((a7 == 1 && 19 == a14) && a3 <= 0) && 18 <= a26)) || (((a7 == 1 && a14 == 18) && a4 <= 16) && a3 <= 0)) || (((a28 <= 15 && 19 == a14) && 19 == a26) && a3 <= 0)) || ((((a7 == 1 && a28 <= 15) && 19 == a14) && a4 <= 16) && a3 <= 0)) || (((a28 <= 15 && a26 <= 17) && a14 == 18) && a3 <= 0)) || ((((a4 <= 17 && 16 < a4) && 16 <= a28) && 19 == a14) && a3 <= 0)) || ((((a14 == 20 && a7 == 1) && 18 <= a4) && 16 <= a28) && a3 == 1)) || (((((a4 <= 17 && a14 <= 19) && a28 <= 15) && a14 == 18) && 19 == a26) && a3 == 1)) || (((a28 <= 15 && 16 < a4) && a14 == 18) && a3 <= 0)) || (((a4 <= 17 && 17 <= a28) && 19 == a14) && a3 <= 0)) || (((((a4 <= 17 && a14 <= 19) && a28 <= 15) && 19 == a14) && a3 == 1) && 18 <= a26)) || (((a14 == 20 && a7 == 1) && 19 == a26) && a3 == 1)) || (((a4 <= 17 && a14 == 20) && a28 <= 15) && a3 == 1)) || ((((a7 == 1 && a26 <= 17) && a14 == 18) && a3 == 1) && a4 <= 16)) || (((a4 <= 17 && a14 == 20) && a26 <= 17) && a3 <= 0)) || (((a7 == 1 && 19 == a26) && a14 == 18) && a3 <= 0)) || ((((a7 == 1 && 16 <= a28) && a14 == 18) && a3 == 1) && a4 <= 16)) || (((((((((a4 == 17 && a28 == 15) && a4 <= 17) && a14 <= 19) && a7 == 1) && a1 == 1) && a28 <= 15) && a25 == 1) && a14 == 18) && a3 == 1)) || ((17 <= a28 && a14 == 18) && a3 <= 0)) || (((a14 == 20 && a28 <= 15) && 19 == a26) && a3 == 1)) || (((a28 <= 16 && a14 == 20) && a7 == 1) && a3 <= 0)) || (((16 <= a28 && 19 == a14) && 19 == a26) && a3 == 1)) || (((((a28 <= 16 && 16 < a4) && 16 <= a28) && 19 == a14) && a3 <= 0) && 18 <= a26)) || (((a28 <= 16 && a14 == 20) && a26 <= 17) && a3 == 1) - InvariantResult [Line: 2722]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((17 <= a28 && a14 == 18) && a3 == 1) || (((a4 <= 17 && a14 == 20) && 17 <= a28) && a3 <= 0)) || (((a7 == 1 && 18 <= a4) && 19 == a14) && a3 == 1)) || ((a14 == 20 && a28 <= 15) && a3 <= 0)) || (((a14 == 20 && 17 <= a28) && 19 == a26) && a3 == 1)) || ((((a28 <= 16 && a7 == 1) && 18 <= a4) && 19 == a14) && a3 <= 0)) || ((((a4 <= 17 && 16 <= a28) && a14 == 18) && a3 <= 0) && 18 <= a26)) || ((((a28 <= 15 && 18 <= a4) && a26 <= 17) && 19 == a14) && a3 == 1)) || (((17 <= a28 && 19 == a14) && a3 == 1) && 18 <= a26)) || (((18 <= a4 && 17 <= a28) && 19 == a14) && a3 == 1)) || ((((a4 <= 17 && a28 <= 16) && 16 <= a28) && 19 == a14) && a3 == 1)) || (((18 <= a4 && a28 <= 15) && a14 == 18) && a3 == 1)) || (((a14 == 20 && 18 <= a4) && 17 <= a28) && a3 == 1)) || (((18 <= a4 && a14 == 18) && a3 == 1) && 18 <= a26)) || ((((a7 == 1 && 18 <= a4) && a26 <= 17) && a14 == 18) && a3 <= 0)) || ((((((a4 <= 17 && a14 == 20) && a1 == 1) && 16 < a4) && a25 == 1) && a3 == 1) && 18 <= a26)) || ((((((a1 == 1 && 16 < a4) && a28 <= 15) && a26 <= 17) && a25 == 1) && 19 == a14) && a3 == 1)) || ((((((a4 <= 17 && a1 == 1) && 16 < a4) && 16 <= a28) && a25 == 1) && a14 == 18) && a3 == 1)) || ((((a4 <= 17 && a28 <= 15) && 19 == a14) && a3 <= 0) && 18 <= a26)) || ((((((a14 == 20 && a7 == 1) && a1 == 1) && 16 < a4) && 16 <= a28) && a25 == 1) && a3 == 1)) || (((a7 == 1 && 19 == a14) && a3 <= 0) && 18 <= a26)) || (((a7 == 1 && a14 == 18) && a4 <= 16) && a3 <= 0)) || (((a28 <= 15 && 19 == a14) && 19 == a26) && a3 <= 0)) || ((((a7 == 1 && a28 <= 15) && 19 == a14) && a4 <= 16) && a3 <= 0)) || (((a28 <= 15 && a26 <= 17) && a14 == 18) && a3 <= 0)) || ((((a4 <= 17 && 16 < a4) && 16 <= a28) && 19 == a14) && a3 <= 0)) || ((((a14 == 20 && a7 == 1) && 18 <= a4) && 16 <= a28) && a3 == 1)) || (((((a4 <= 17 && a14 <= 19) && a28 <= 15) && a14 == 18) && 19 == a26) && a3 == 1)) || ((((a28 <= 16 && a14 == 20) && 16 < a4) && 19 == a26) && a3 <= 0)) || (((a28 <= 15 && 16 < a4) && a14 == 18) && a3 <= 0)) || (((a4 <= 17 && 17 <= a28) && 19 == a14) && a3 <= 0)) || (((((a4 <= 17 && a14 <= 19) && a28 <= 15) && 19 == a14) && a3 == 1) && 18 <= a26)) || (((a14 == 20 && a7 == 1) && 19 == a26) && a3 == 1)) || (((a4 <= 17 && a14 == 20) && a28 <= 15) && a3 == 1)) || ((((a7 == 1 && a26 <= 17) && a14 == 18) && a3 == 1) && a4 <= 16)) || (((a4 <= 17 && a14 == 20) && a26 <= 17) && a3 <= 0)) || (((a7 == 1 && 19 == a26) && a14 == 18) && a3 <= 0)) || ((((a7 == 1 && 16 <= a28) && a14 == 18) && a3 == 1) && a4 <= 16)) || (((((((((a4 == 17 && a28 == 15) && a4 <= 17) && a14 <= 19) && a7 == 1) && a1 == 1) && a28 <= 15) && a25 == 1) && a14 == 18) && a3 == 1)) || ((17 <= a28 && a14 == 18) && a3 <= 0)) || (((a14 == 20 && a28 <= 15) && 19 == a26) && a3 == 1)) || (((a28 <= 16 && a14 == 20) && a7 == 1) && a3 <= 0)) || (((16 <= a28 && 19 == a14) && 19 == a26) && a3 == 1)) || (((((a28 <= 16 && 16 < a4) && 16 <= a28) && 19 == a14) && a3 <= 0) && 18 <= a26)) || (((a28 <= 16 && a14 == 20) && a26 <= 17) && a3 == 1) - InvariantResult [Line: 4084]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((17 <= a28 && a14 == 18) && a3 == 1) || (((a4 <= 17 && a14 == 20) && 17 <= a28) && a3 <= 0)) || (((a7 == 1 && 18 <= a4) && 19 == a14) && a3 == 1)) || ((a14 == 20 && a28 <= 15) && a3 <= 0)) || (((a14 == 20 && 17 <= a28) && 19 == a26) && a3 == 1)) || ((((a28 <= 16 && a7 == 1) && 18 <= a4) && 19 == a14) && a3 <= 0)) || ((((a28 <= 15 && 18 <= a4) && a26 <= 17) && 19 == a14) && a3 == 1)) || ((((a4 <= 17 && 16 <= a28) && a14 == 18) && a3 <= 0) && 18 <= a26)) || (((17 <= a28 && 19 == a14) && a3 == 1) && 18 <= a26)) || (((18 <= a4 && 17 <= a28) && 19 == a14) && a3 == 1)) || ((((a4 <= 17 && a28 <= 16) && 16 <= a28) && 19 == a14) && a3 == 1)) || (((18 <= a4 && a28 <= 15) && a14 == 18) && a3 == 1)) || (((18 <= a4 && a14 == 18) && a3 == 1) && 18 <= a26)) || (((a14 == 20 && 18 <= a4) && 17 <= a28) && a3 == 1)) || ((((a7 == 1 && 18 <= a4) && a26 <= 17) && a14 == 18) && a3 <= 0)) || ((((((a4 <= 17 && a14 == 20) && a1 == 1) && 16 < a4) && a25 == 1) && a3 == 1) && 18 <= a26)) || ((((((a1 == 1 && 16 < a4) && a28 <= 15) && a26 <= 17) && a25 == 1) && 19 == a14) && a3 == 1)) || ((((((a4 <= 17 && a1 == 1) && 16 < a4) && 16 <= a28) && a25 == 1) && a14 == 18) && a3 == 1)) || ((((a4 <= 17 && a28 <= 15) && 19 == a14) && a3 <= 0) && 18 <= a26)) || ((((((a14 == 20 && a7 == 1) && a1 == 1) && 16 < a4) && 16 <= a28) && a25 == 1) && a3 == 1)) || (((a7 == 1 && 19 == a14) && a3 <= 0) && 18 <= a26)) || (((a7 == 1 && a14 == 18) && a4 <= 16) && a3 <= 0)) || (((a28 <= 15 && 19 == a14) && 19 == a26) && a3 <= 0)) || (((a28 <= 15 && a26 <= 17) && a14 == 18) && a3 <= 0)) || ((((a7 == 1 && a28 <= 15) && 19 == a14) && a4 <= 16) && a3 <= 0)) || ((((a4 <= 17 && 16 < a4) && 16 <= a28) && 19 == a14) && a3 <= 0)) || ((((a14 == 20 && a7 == 1) && 18 <= a4) && 16 <= a28) && a3 == 1)) || (((((a4 <= 17 && a14 <= 19) && a28 <= 15) && a14 == 18) && 19 == a26) && a3 == 1)) || (((a28 <= 15 && 16 < a4) && a14 == 18) && a3 <= 0)) || ((((a28 <= 16 && a14 == 20) && 16 < a4) && 19 == a26) && a3 <= 0)) || (((((a4 <= 17 && a14 <= 19) && a28 <= 15) && 19 == a14) && a3 == 1) && 18 <= a26)) || (((a4 <= 17 && 17 <= a28) && 19 == a14) && a3 <= 0)) || (((a14 == 20 && a7 == 1) && 19 == a26) && a3 == 1)) || (((a4 <= 17 && a14 == 20) && a28 <= 15) && a3 == 1)) || ((((a7 == 1 && a26 <= 17) && a14 == 18) && a3 == 1) && a4 <= 16)) || (((a4 <= 17 && a14 == 20) && a26 <= 17) && a3 <= 0)) || (((a7 == 1 && 19 == a26) && a14 == 18) && a3 <= 0)) || ((((a7 == 1 && 16 <= a28) && a14 == 18) && a3 == 1) && a4 <= 16)) || (((((((((a4 == 17 && a28 == 15) && a4 <= 17) && a14 <= 19) && a7 == 1) && a1 == 1) && a28 <= 15) && a25 == 1) && a14 == 18) && a3 == 1)) || ((17 <= a28 && a14 == 18) && a3 <= 0)) || (((a14 == 20 && a28 <= 15) && 19 == a26) && a3 == 1)) || (((a28 <= 16 && a14 == 20) && a7 == 1) && a3 <= 0)) || (((16 <= a28 && 19 == a14) && 19 == a26) && a3 == 1)) || (((((a28 <= 16 && 16 < a4) && 16 <= a28) && 19 == a14) && a3 <= 0) && 18 <= a26)) || (((a28 <= 16 && a14 == 20) && a26 <= 17) && a3 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 763 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 177.0s, OverallIterations: 22, TraceHistogramMax: 8, AutomataDifference: 81.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 17.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 20200 SDtfs, 14506 SDslu, 2781 SDs, 0 SdLazy, 64334 SolverSat, 13961 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 50.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14446 GetRequests, 14385 SyntacticMatches, 3 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=98543occurred in iteration=20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 12.4s AutomataMinimizationTime, 22 MinimizatonAttempts, 93316 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 718 NumberOfFragments, 3432 HoareAnnotationTreeSize, 6 FomulaSimplifications, 130386 FormulaSimplificationTreeSizeReduction, 3.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 54966 FormulaSimplificationTreeSizeReductionInter, 14.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.3s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 30.8s InterpolantComputationTime, 36333 NumberOfCodeBlocks, 36333 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 43487 ConstructedInterpolants, 0 QuantifiedInterpolants, 218918440 SizeOfPredicates, 0 NumberOfNonLiveVariables, 8467 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 30 InterpolantComputations, 26 PerfectInterpolantSequences, 38914/39536 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...