./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem04_label49.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_614359a4-48a2-416a-91de-8bb70cb9ff1f/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_614359a4-48a2-416a-91de-8bb70cb9ff1f/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_614359a4-48a2-416a-91de-8bb70cb9ff1f/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_614359a4-48a2-416a-91de-8bb70cb9ff1f/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem04_label49.c -s /tmp/vcloud-vcloud-master/worker/run_dir_614359a4-48a2-416a-91de-8bb70cb9ff1f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_614359a4-48a2-416a-91de-8bb70cb9ff1f/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 34eecf9f567ce82b42a0f90c2978294f1f93a8d5 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:25:47,773 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 16:25:47,775 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 16:25:47,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 16:25:47,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 16:25:47,826 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 16:25:47,828 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 16:25:47,830 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 16:25:47,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 16:25:47,834 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 16:25:47,835 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 16:25:47,836 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 16:25:47,836 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 16:25:47,838 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 16:25:47,839 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 16:25:47,840 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 16:25:47,841 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 16:25:47,842 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 16:25:47,844 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 16:25:47,846 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 16:25:47,848 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 16:25:47,849 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 16:25:47,850 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 16:25:47,851 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 16:25:47,854 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 16:25:47,855 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 16:25:47,855 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 16:25:47,856 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 16:25:47,857 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 16:25:47,858 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 16:25:47,858 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 16:25:47,859 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 16:25:47,860 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 16:25:47,860 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 16:25:47,861 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 16:25:47,861 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 16:25:47,862 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 16:25:47,862 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 16:25:47,862 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 16:25:47,863 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 16:25:47,863 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 16:25:47,864 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_614359a4-48a2-416a-91de-8bb70cb9ff1f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 16:25:47,880 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 16:25:47,880 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 16:25:47,881 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 16:25:47,881 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 16:25:47,881 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 16:25:47,881 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 16:25:47,881 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 16:25:47,881 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 16:25:47,881 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 16:25:47,882 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 16:25:47,882 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 16:25:47,882 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 16:25:47,882 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 16:25:47,882 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 16:25:47,882 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 16:25:47,883 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 16:25:47,883 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 16:25:47,883 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 16:25:47,883 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 16:25:47,883 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 16:25:47,883 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 16:25:47,883 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 16:25:47,883 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 16:25:47,884 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 16:25:47,884 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 16:25:47,884 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 16:25:47,884 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 16:25:47,884 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 16:25:47,884 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 16:25:47,884 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 16:25:47,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 16:25:47,885 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 16:25:47,885 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 16:25:47,885 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 16:25:47,885 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 16:25:47,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 16:25:47,885 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 16:25:47,885 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 16:25:47,885 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 16:25:47,886 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_614359a4-48a2-416a-91de-8bb70cb9ff1f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_614359a4-48a2-416a-91de-8bb70cb9ff1f/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34eecf9f567ce82b42a0f90c2978294f1f93a8d5 [2020-12-09 16:25:48,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 16:25:48,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 16:25:48,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 16:25:48,066 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 16:25:48,066 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 16:25:48,067 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_614359a4-48a2-416a-91de-8bb70cb9ff1f/bin/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem04_label49.c [2020-12-09 16:25:48,108 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_614359a4-48a2-416a-91de-8bb70cb9ff1f/bin/utaipan/data/fe0e3cf30/ee95203090f5468eacf6caa6e9fc541b/FLAGedd77a877 [2020-12-09 16:25:48,650 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 16:25:48,651 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_614359a4-48a2-416a-91de-8bb70cb9ff1f/sv-benchmarks/c/eca-rers2012/Problem04_label49.c [2020-12-09 16:25:48,671 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_614359a4-48a2-416a-91de-8bb70cb9ff1f/bin/utaipan/data/fe0e3cf30/ee95203090f5468eacf6caa6e9fc541b/FLAGedd77a877 [2020-12-09 16:25:49,142 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_614359a4-48a2-416a-91de-8bb70cb9ff1f/bin/utaipan/data/fe0e3cf30/ee95203090f5468eacf6caa6e9fc541b [2020-12-09 16:25:49,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 16:25:49,145 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 16:25:49,147 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 16:25:49,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 16:25:49,149 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 16:25:49,150 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:25:49" (1/1) ... [2020-12-09 16:25:49,151 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7954c047 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:25:49, skipping insertion in model container [2020-12-09 16:25:49,152 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:25:49" (1/1) ... [2020-12-09 16:25:49,157 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 16:25:49,260 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 16:25:50,095 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_614359a4-48a2-416a-91de-8bb70cb9ff1f/sv-benchmarks/c/eca-rers2012/Problem04_label49.c[181143,181156] [2020-12-09 16:25:50,108 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 16:25:50,115 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 16:25:50,530 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_614359a4-48a2-416a-91de-8bb70cb9ff1f/sv-benchmarks/c/eca-rers2012/Problem04_label49.c[181143,181156] [2020-12-09 16:25:50,534 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 16:25:50,554 INFO L208 MainTranslator]: Completed translation [2020-12-09 16:25:50,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:25:50 WrapperNode [2020-12-09 16:25:50,555 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 16:25:50,555 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 16:25:50,555 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 16:25:50,556 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 16:25:50,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:25:50" (1/1) ... [2020-12-09 16:25:50,600 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:25:50" (1/1) ... [2020-12-09 16:25:50,764 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 16:25:50,765 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 16:25:50,765 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 16:25:50,765 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 16:25:50,773 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:25:50" (1/1) ... [2020-12-09 16:25:50,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:25:50" (1/1) ... [2020-12-09 16:25:50,792 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:25:50" (1/1) ... [2020-12-09 16:25:50,792 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:25:50" (1/1) ... [2020-12-09 16:25:50,850 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:25:50" (1/1) ... [2020-12-09 16:25:50,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:25:50" (1/1) ... [2020-12-09 16:25:50,895 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:25:50" (1/1) ... [2020-12-09 16:25:50,942 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 16:25:50,942 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 16:25:50,943 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 16:25:50,943 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 16:25:50,943 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:25:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_614359a4-48a2-416a-91de-8bb70cb9ff1f/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 16:25:50,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 16:25:50,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 16:25:50,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 16:25:50,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 16:25:54,359 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 16:25:54,359 INFO L299 CfgBuilder]: Removed 13 assume(true) statements. [2020-12-09 16:25:54,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:25:54 BoogieIcfgContainer [2020-12-09 16:25:54,362 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 16:25:54,364 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 16:25:54,364 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 16:25:54,366 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 16:25:54,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 04:25:49" (1/3) ... [2020-12-09 16:25:54,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b111f2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:25:54, skipping insertion in model container [2020-12-09 16:25:54,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:25:50" (2/3) ... [2020-12-09 16:25:54,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b111f2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:25:54, skipping insertion in model container [2020-12-09 16:25:54,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:25:54" (3/3) ... [2020-12-09 16:25:54,368 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem04_label49.c [2020-12-09 16:25:54,377 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 16:25:54,380 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 16:25:54,387 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 16:25:54,412 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 16:25:54,413 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 16:25:54,413 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 16:25:54,413 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 16:25:54,413 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 16:25:54,413 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 16:25:54,413 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 16:25:54,413 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 16:25:54,438 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states. [2020-12-09 16:25:54,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 756 [2020-12-09 16:25:54,469 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:25:54,470 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 16:25:54,470 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:25:54,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:25:54,474 INFO L82 PathProgramCache]: Analyzing trace with hash -1870337731, now seen corresponding path program 1 times [2020-12-09 16:25:54,480 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 16:25:54,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975032958] [2020-12-09 16:25:54,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 16:25:54,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:25:55,730 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 16:25:55,730 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975032958] [2020-12-09 16:25:55,731 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:25:55,731 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 16:25:55,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608276466] [2020-12-09 16:25:55,736 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 16:25:55,736 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 16:25:55,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 16:25:55,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 16:25:55,746 INFO L87 Difference]: Start difference. First operand 763 states. Second operand 3 states. [2020-12-09 16:25:58,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:25:58,537 INFO L93 Difference]: Finished difference Result 2285 states and 4541 transitions. [2020-12-09 16:25:58,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 16:25:58,538 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 755 [2020-12-09 16:25:58,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:25:58,564 INFO L225 Difference]: With dead ends: 2285 [2020-12-09 16:25:58,564 INFO L226 Difference]: Without dead ends: 1519 [2020-12-09 16:25:58,569 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 16:25:58,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1519 states. [2020-12-09 16:25:58,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1519 to 1519. [2020-12-09 16:25:58,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1519 states. [2020-12-09 16:25:58,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 1519 states and 2839 transitions. [2020-12-09 16:25:58,648 INFO L78 Accepts]: Start accepts. Automaton has 1519 states and 2839 transitions. Word has length 755 [2020-12-09 16:25:58,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:25:58,650 INFO L481 AbstractCegarLoop]: Abstraction has 1519 states and 2839 transitions. [2020-12-09 16:25:58,650 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 16:25:58,650 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 2839 transitions. [2020-12-09 16:25:58,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 771 [2020-12-09 16:25:58,668 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:25:58,668 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 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 16:25:58,668 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 16:25:58,669 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:25:58,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:25:58,669 INFO L82 PathProgramCache]: Analyzing trace with hash -854215494, now seen corresponding path program 1 times [2020-12-09 16:25:58,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 16:25:58,670 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93116928] [2020-12-09 16:25:58,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 16:25:58,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:25:59,563 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 16:25:59,563 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93116928] [2020-12-09 16:25:59,563 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:25:59,563 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 16:25:59,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891713850] [2020-12-09 16:25:59,565 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 16:25:59,565 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 16:25:59,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 16:25:59,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 16:25:59,566 INFO L87 Difference]: Start difference. First operand 1519 states and 2839 transitions. Second operand 3 states. [2020-12-09 16:26:02,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:26:02,469 INFO L93 Difference]: Finished difference Result 4553 states and 8514 transitions. [2020-12-09 16:26:02,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 16:26:02,469 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 770 [2020-12-09 16:26:02,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:26:02,482 INFO L225 Difference]: With dead ends: 4553 [2020-12-09 16:26:02,482 INFO L226 Difference]: Without dead ends: 3035 [2020-12-09 16:26:02,485 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 16:26:02,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3035 states. [2020-12-09 16:26:02,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3035 to 3035. [2020-12-09 16:26:02,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3035 states. [2020-12-09 16:26:02,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3035 states to 3035 states and 5243 transitions. [2020-12-09 16:26:02,528 INFO L78 Accepts]: Start accepts. Automaton has 3035 states and 5243 transitions. Word has length 770 [2020-12-09 16:26:02,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:26:02,528 INFO L481 AbstractCegarLoop]: Abstraction has 3035 states and 5243 transitions. [2020-12-09 16:26:02,529 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 16:26:02,529 INFO L276 IsEmpty]: Start isEmpty. Operand 3035 states and 5243 transitions. [2020-12-09 16:26:02,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 773 [2020-12-09 16:26:02,536 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:26:02,536 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 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 16:26:02,536 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-09 16:26:02,536 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:26:02,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:26:02,537 INFO L82 PathProgramCache]: Analyzing trace with hash -1291925387, now seen corresponding path program 1 times [2020-12-09 16:26:02,537 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 16:26:02,537 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134437801] [2020-12-09 16:26:02,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 16:26:02,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:26:02,916 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 16:26:02,916 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134437801] [2020-12-09 16:26:02,916 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:26:02,917 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 16:26:02,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539913694] [2020-12-09 16:26:02,918 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 16:26:02,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 16:26:02,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 16:26:02,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 16:26:02,918 INFO L87 Difference]: Start difference. First operand 3035 states and 5243 transitions. Second operand 3 states. [2020-12-09 16:26:05,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:26:05,421 INFO L93 Difference]: Finished difference Result 9101 states and 15726 transitions. [2020-12-09 16:26:05,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 16:26:05,422 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 772 [2020-12-09 16:26:05,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:26:05,443 INFO L225 Difference]: With dead ends: 9101 [2020-12-09 16:26:05,444 INFO L226 Difference]: Without dead ends: 6067 [2020-12-09 16:26:05,447 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 16:26:05,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6067 states. [2020-12-09 16:26:05,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6067 to 6067. [2020-12-09 16:26:05,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6067 states. [2020-12-09 16:26:05,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6067 states to 6067 states and 9152 transitions. [2020-12-09 16:26:05,540 INFO L78 Accepts]: Start accepts. Automaton has 6067 states and 9152 transitions. Word has length 772 [2020-12-09 16:26:05,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:26:05,541 INFO L481 AbstractCegarLoop]: Abstraction has 6067 states and 9152 transitions. [2020-12-09 16:26:05,541 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 16:26:05,541 INFO L276 IsEmpty]: Start isEmpty. Operand 6067 states and 9152 transitions. [2020-12-09 16:26:05,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 826 [2020-12-09 16:26:05,552 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:26:05,552 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 16:26:05,552 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-09 16:26:05,552 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:26:05,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:26:05,553 INFO L82 PathProgramCache]: Analyzing trace with hash 1691973238, now seen corresponding path program 1 times [2020-12-09 16:26:05,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 16:26:05,553 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593560973] [2020-12-09 16:26:05,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 16:26:05,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:26:05,995 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-09 16:26:05,995 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593560973] [2020-12-09 16:26:05,995 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:26:05,995 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 16:26:05,995 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487566493] [2020-12-09 16:26:05,996 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 16:26:05,996 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 16:26:05,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 16:26:05,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 16:26:05,997 INFO L87 Difference]: Start difference. First operand 6067 states and 9152 transitions. Second operand 3 states. [2020-12-09 16:26:08,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:26:08,598 INFO L93 Difference]: Finished difference Result 18197 states and 27453 transitions. [2020-12-09 16:26:08,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 16:26:08,599 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 825 [2020-12-09 16:26:08,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:26:08,641 INFO L225 Difference]: With dead ends: 18197 [2020-12-09 16:26:08,641 INFO L226 Difference]: Without dead ends: 12131 [2020-12-09 16:26:08,645 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 16:26:08,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12131 states. [2020-12-09 16:26:08,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12131 to 12131. [2020-12-09 16:26:08,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12131 states. [2020-12-09 16:26:08,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12131 states to 12131 states and 16970 transitions. [2020-12-09 16:26:08,783 INFO L78 Accepts]: Start accepts. Automaton has 12131 states and 16970 transitions. Word has length 825 [2020-12-09 16:26:08,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:26:08,784 INFO L481 AbstractCegarLoop]: Abstraction has 12131 states and 16970 transitions. [2020-12-09 16:26:08,784 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 16:26:08,784 INFO L276 IsEmpty]: Start isEmpty. Operand 12131 states and 16970 transitions. [2020-12-09 16:26:08,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 841 [2020-12-09 16:26:08,798 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:26:08,799 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 16:26:08,799 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-09 16:26:08,799 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:26:08,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:26:08,800 INFO L82 PathProgramCache]: Analyzing trace with hash 513969103, now seen corresponding path program 1 times [2020-12-09 16:26:08,800 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 16:26:08,800 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831134490] [2020-12-09 16:26:08,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 16:26:08,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:26:09,322 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 16:26:09,322 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831134490] [2020-12-09 16:26:09,322 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:26:09,322 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 16:26:09,322 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757507804] [2020-12-09 16:26:09,323 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 16:26:09,323 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 16:26:09,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 16:26:09,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 16:26:09,324 INFO L87 Difference]: Start difference. First operand 12131 states and 16970 transitions. Second operand 3 states. [2020-12-09 16:26:12,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:26:12,063 INFO L93 Difference]: Finished difference Result 36389 states and 50907 transitions. [2020-12-09 16:26:12,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 16:26:12,064 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 840 [2020-12-09 16:26:12,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:26:12,103 INFO L225 Difference]: With dead ends: 36389 [2020-12-09 16:26:12,103 INFO L226 Difference]: Without dead ends: 24259 [2020-12-09 16:26:12,112 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 16:26:12,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24259 states. [2020-12-09 16:26:12,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24259 to 22743. [2020-12-09 16:26:12,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22743 states. [2020-12-09 16:26:12,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22743 states to 22743 states and 31252 transitions. [2020-12-09 16:26:12,340 INFO L78 Accepts]: Start accepts. Automaton has 22743 states and 31252 transitions. Word has length 840 [2020-12-09 16:26:12,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:26:12,340 INFO L481 AbstractCegarLoop]: Abstraction has 22743 states and 31252 transitions. [2020-12-09 16:26:12,340 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 16:26:12,340 INFO L276 IsEmpty]: Start isEmpty. Operand 22743 states and 31252 transitions. [2020-12-09 16:26:12,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 868 [2020-12-09 16:26:12,363 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:26:12,363 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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, 1, 1] [2020-12-09 16:26:12,363 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-09 16:26:12,363 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:26:12,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:26:12,364 INFO L82 PathProgramCache]: Analyzing trace with hash -1094506184, now seen corresponding path program 1 times [2020-12-09 16:26:12,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 16:26:12,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568520603] [2020-12-09 16:26:12,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 16:26:12,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:26:13,015 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 132 proven. 2 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2020-12-09 16:26:13,015 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568520603] [2020-12-09 16:26:13,015 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1677981065] [2020-12-09 16:26:13,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_614359a4-48a2-416a-91de-8bb70cb9ff1f/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 16:26:13,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:26:13,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 1142 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 16:26:13,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:26:14,014 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2020-12-09 16:26:14,014 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 16:26:14,748 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2020-12-09 16:26:14,748 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2020-12-09 16:26:14,749 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [4] total 6 [2020-12-09 16:26:14,749 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902264201] [2020-12-09 16:26:14,751 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 16:26:14,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 16:26:14,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 16:26:14,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-09 16:26:14,751 INFO L87 Difference]: Start difference. First operand 22743 states and 31252 transitions. Second operand 4 states. [2020-12-09 16:26:18,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:26:18,825 INFO L93 Difference]: Finished difference Result 79595 states and 108523 transitions. [2020-12-09 16:26:18,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 16:26:18,826 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 867 [2020-12-09 16:26:18,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:26:18,896 INFO L225 Difference]: With dead ends: 79595 [2020-12-09 16:26:18,896 INFO L226 Difference]: Without dead ends: 56853 [2020-12-09 16:26:18,914 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1736 GetRequests, 1731 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-09 16:26:18,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56853 states. [2020-12-09 16:26:19,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56853 to 55337. [2020-12-09 16:26:19,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55337 states. [2020-12-09 16:26:19,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55337 states to 55337 states and 68355 transitions. [2020-12-09 16:26:19,395 INFO L78 Accepts]: Start accepts. Automaton has 55337 states and 68355 transitions. Word has length 867 [2020-12-09 16:26:19,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:26:19,396 INFO L481 AbstractCegarLoop]: Abstraction has 55337 states and 68355 transitions. [2020-12-09 16:26:19,396 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 16:26:19,396 INFO L276 IsEmpty]: Start isEmpty. Operand 55337 states and 68355 transitions. [2020-12-09 16:26:19,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1052 [2020-12-09 16:26:19,433 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:26:19,434 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:26:19,634 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-12-09 16:26:19,635 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:26:19,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:26:19,637 INFO L82 PathProgramCache]: Analyzing trace with hash -2125301182, now seen corresponding path program 1 times [2020-12-09 16:26:19,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 16:26:19,638 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56564621] [2020-12-09 16:26:19,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 16:26:19,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:26:20,745 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 293 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-12-09 16:26:20,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56564621] [2020-12-09 16:26:20,745 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:26:20,745 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 16:26:20,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039885798] [2020-12-09 16:26:20,746 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 16:26:20,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 16:26:20,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 16:26:20,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 16:26:20,747 INFO L87 Difference]: Start difference. First operand 55337 states and 68355 transitions. Second operand 3 states. [2020-12-09 16:26:23,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:26:23,607 INFO L93 Difference]: Finished difference Result 125833 states and 154857 transitions. [2020-12-09 16:26:23,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 16:26:23,607 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1051 [2020-12-09 16:26:23,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:26:23,675 INFO L225 Difference]: With dead ends: 125833 [2020-12-09 16:26:23,675 INFO L226 Difference]: Without dead ends: 70497 [2020-12-09 16:26:23,703 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 16:26:23,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70497 states. [2020-12-09 16:26:24,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70497 to 70497. [2020-12-09 16:26:24,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70497 states. [2020-12-09 16:26:24,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70497 states to 70497 states and 85446 transitions. [2020-12-09 16:26:24,296 INFO L78 Accepts]: Start accepts. Automaton has 70497 states and 85446 transitions. Word has length 1051 [2020-12-09 16:26:24,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:26:24,297 INFO L481 AbstractCegarLoop]: Abstraction has 70497 states and 85446 transitions. [2020-12-09 16:26:24,297 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 16:26:24,297 INFO L276 IsEmpty]: Start isEmpty. Operand 70497 states and 85446 transitions. [2020-12-09 16:26:24,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1074 [2020-12-09 16:26:24,326 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:26:24,327 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 16:26:24,327 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-09 16:26:24,327 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:26:24,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:26:24,328 INFO L82 PathProgramCache]: Analyzing trace with hash 144406927, now seen corresponding path program 1 times [2020-12-09 16:26:24,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 16:26:24,328 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553856591] [2020-12-09 16:26:24,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 16:26:24,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:26:26,251 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 63 proven. 295 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-12-09 16:26:26,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553856591] [2020-12-09 16:26:26,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [63083917] [2020-12-09 16:26:26,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_614359a4-48a2-416a-91de-8bb70cb9ff1f/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 16:26:26,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:26:26,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 1318 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 16:26:26,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:26:27,905 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2020-12-09 16:26:27,905 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 16:26:29,270 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2020-12-09 16:26:29,271 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2020-12-09 16:26:29,271 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [4] total 5 [2020-12-09 16:26:29,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542282219] [2020-12-09 16:26:29,273 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 16:26:29,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 16:26:29,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 16:26:29,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-09 16:26:29,273 INFO L87 Difference]: Start difference. First operand 70497 states and 85446 transitions. Second operand 3 states. [2020-12-09 16:26:32,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:26:32,139 INFO L93 Difference]: Finished difference Result 161459 states and 194695 transitions. [2020-12-09 16:26:32,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 16:26:32,140 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1073 [2020-12-09 16:26:32,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:26:32,217 INFO L225 Difference]: With dead ends: 161459 [2020-12-09 16:26:32,217 INFO L226 Difference]: Without dead ends: 90963 [2020-12-09 16:26:32,244 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2148 GetRequests, 2144 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-09 16:26:32,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90963 states. [2020-12-09 16:26:32,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90963 to 81867. [2020-12-09 16:26:32,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81867 states. [2020-12-09 16:26:33,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81867 states to 81867 states and 97175 transitions. [2020-12-09 16:26:33,018 INFO L78 Accepts]: Start accepts. Automaton has 81867 states and 97175 transitions. Word has length 1073 [2020-12-09 16:26:33,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:26:33,019 INFO L481 AbstractCegarLoop]: Abstraction has 81867 states and 97175 transitions. [2020-12-09 16:26:33,019 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 16:26:33,019 INFO L276 IsEmpty]: Start isEmpty. Operand 81867 states and 97175 transitions. [2020-12-09 16:26:33,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1215 [2020-12-09 16:26:33,060 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:26:33,061 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2020-12-09 16:26:33,262 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 16:26:33,263 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:26:33,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:26:33,265 INFO L82 PathProgramCache]: Analyzing trace with hash 660784697, now seen corresponding path program 1 times [2020-12-09 16:26:33,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 16:26:33,266 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753852971] [2020-12-09 16:26:33,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 16:26:33,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:26:34,354 INFO L134 CoverageAnalysis]: Checked inductivity of 1021 backedges. 607 proven. 0 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2020-12-09 16:26:34,355 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753852971] [2020-12-09 16:26:34,355 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:26:34,355 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 16:26:34,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28518475] [2020-12-09 16:26:34,356 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 16:26:34,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 16:26:34,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 16:26:34,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 16:26:34,356 INFO L87 Difference]: Start difference. First operand 81867 states and 97175 transitions. Second operand 3 states. [2020-12-09 16:26:37,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:26:37,222 INFO L93 Difference]: Finished difference Result 163733 states and 194349 transitions. [2020-12-09 16:26:37,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 16:26:37,223 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1214 [2020-12-09 16:26:37,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:26:37,327 INFO L225 Difference]: With dead ends: 163733 [2020-12-09 16:26:37,328 INFO L226 Difference]: Without dead ends: 81867 [2020-12-09 16:26:37,343 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 16:26:37,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81867 states. [2020-12-09 16:26:37,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81867 to 81867. [2020-12-09 16:26:37,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81867 states. [2020-12-09 16:26:38,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81867 states to 81867 states and 97103 transitions. [2020-12-09 16:26:38,012 INFO L78 Accepts]: Start accepts. Automaton has 81867 states and 97103 transitions. Word has length 1214 [2020-12-09 16:26:38,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:26:38,012 INFO L481 AbstractCegarLoop]: Abstraction has 81867 states and 97103 transitions. [2020-12-09 16:26:38,012 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 16:26:38,012 INFO L276 IsEmpty]: Start isEmpty. Operand 81867 states and 97103 transitions. [2020-12-09 16:26:38,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1228 [2020-12-09 16:26:38,150 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:26:38,151 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:26:38,151 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-09 16:26:38,151 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:26:38,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:26:38,152 INFO L82 PathProgramCache]: Analyzing trace with hash -1126847930, now seen corresponding path program 1 times [2020-12-09 16:26:38,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 16:26:38,152 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775983072] [2020-12-09 16:26:38,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 16:26:38,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:26:39,623 INFO L134 CoverageAnalysis]: Checked inductivity of 719 backedges. 467 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2020-12-09 16:26:39,623 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775983072] [2020-12-09 16:26:39,623 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:26:39,623 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-09 16:26:39,624 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500200372] [2020-12-09 16:26:39,624 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 16:26:39,624 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 16:26:39,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 16:26:39,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-09 16:26:39,625 INFO L87 Difference]: Start difference. First operand 81867 states and 97103 transitions. Second operand 5 states. [2020-12-09 16:26:43,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:26:43,608 INFO L93 Difference]: Finished difference Result 181449 states and 214777 transitions. [2020-12-09 16:26:43,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-09 16:26:43,609 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1227 [2020-12-09 16:26:43,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:26:43,695 INFO L225 Difference]: With dead ends: 181449 [2020-12-09 16:26:43,695 INFO L226 Difference]: Without dead ends: 99583 [2020-12-09 16:26:43,728 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-09 16:26:43,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99583 states. [2020-12-09 16:26:44,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99583 to 82625. [2020-12-09 16:26:44,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82625 states. [2020-12-09 16:26:44,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82625 states to 82625 states and 97867 transitions. [2020-12-09 16:26:44,549 INFO L78 Accepts]: Start accepts. Automaton has 82625 states and 97867 transitions. Word has length 1227 [2020-12-09 16:26:44,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:26:44,550 INFO L481 AbstractCegarLoop]: Abstraction has 82625 states and 97867 transitions. [2020-12-09 16:26:44,550 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 16:26:44,550 INFO L276 IsEmpty]: Start isEmpty. Operand 82625 states and 97867 transitions. [2020-12-09 16:26:44,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1243 [2020-12-09 16:26:44,593 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:26:44,594 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:26:44,595 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-09 16:26:44,595 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:26:44,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:26:44,595 INFO L82 PathProgramCache]: Analyzing trace with hash 735721155, now seen corresponding path program 1 times [2020-12-09 16:26:44,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 16:26:44,595 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544715109] [2020-12-09 16:26:44,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 16:26:44,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:26:47,383 INFO L134 CoverageAnalysis]: Checked inductivity of 793 backedges. 541 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2020-12-09 16:26:47,384 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544715109] [2020-12-09 16:26:47,384 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:26:47,384 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-09 16:26:47,384 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596408267] [2020-12-09 16:26:47,385 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 16:26:47,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 16:26:47,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 16:26:47,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-09 16:26:47,385 INFO L87 Difference]: Start difference. First operand 82625 states and 97867 transitions. Second operand 6 states. [2020-12-09 16:26:53,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:26:53,630 INFO L93 Difference]: Finished difference Result 184706 states and 218155 transitions. [2020-12-09 16:26:53,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-09 16:26:53,630 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 1242 [2020-12-09 16:26:53,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:26:53,721 INFO L225 Difference]: With dead ends: 184706 [2020-12-09 16:26:53,721 INFO L226 Difference]: Without dead ends: 102840 [2020-12-09 16:26:53,757 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-12-09 16:26:53,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102840 states. [2020-12-09 16:26:54,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102840 to 85657. [2020-12-09 16:26:54,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85657 states. [2020-12-09 16:26:54,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85657 states to 85657 states and 100971 transitions. [2020-12-09 16:26:54,586 INFO L78 Accepts]: Start accepts. Automaton has 85657 states and 100971 transitions. Word has length 1242 [2020-12-09 16:26:54,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:26:54,586 INFO L481 AbstractCegarLoop]: Abstraction has 85657 states and 100971 transitions. [2020-12-09 16:26:54,586 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 16:26:54,586 INFO L276 IsEmpty]: Start isEmpty. Operand 85657 states and 100971 transitions. [2020-12-09 16:26:54,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1250 [2020-12-09 16:26:54,632 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:26:54,633 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:26:54,633 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-09 16:26:54,633 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:26:54,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:26:54,634 INFO L82 PathProgramCache]: Analyzing trace with hash 1262889875, now seen corresponding path program 1 times [2020-12-09 16:26:54,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 16:26:54,634 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711888648] [2020-12-09 16:26:54,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 16:26:54,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:26:55,729 INFO L134 CoverageAnalysis]: Checked inductivity of 828 backedges. 701 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2020-12-09 16:26:55,730 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711888648] [2020-12-09 16:26:55,730 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:26:55,730 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 16:26:55,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680374166] [2020-12-09 16:26:55,731 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 16:26:55,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 16:26:55,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 16:26:55,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 16:26:55,732 INFO L87 Difference]: Start difference. First operand 85657 states and 100971 transitions. Second operand 3 states. [2020-12-09 16:26:58,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:26:58,938 INFO L93 Difference]: Finished difference Result 170555 states and 201177 transitions. [2020-12-09 16:26:58,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 16:26:58,938 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1249 [2020-12-09 16:26:58,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:26:59,006 INFO L225 Difference]: With dead ends: 170555 [2020-12-09 16:26:59,007 INFO L226 Difference]: Without dead ends: 85657 [2020-12-09 16:26:59,040 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 16:26:59,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85657 states. [2020-12-09 16:26:59,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85657 to 80351. [2020-12-09 16:26:59,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80351 states. [2020-12-09 16:26:59,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80351 states to 80351 states and 91327 transitions. [2020-12-09 16:26:59,759 INFO L78 Accepts]: Start accepts. Automaton has 80351 states and 91327 transitions. Word has length 1249 [2020-12-09 16:26:59,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:26:59,759 INFO L481 AbstractCegarLoop]: Abstraction has 80351 states and 91327 transitions. [2020-12-09 16:26:59,759 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 16:26:59,759 INFO L276 IsEmpty]: Start isEmpty. Operand 80351 states and 91327 transitions. [2020-12-09 16:26:59,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1383 [2020-12-09 16:26:59,795 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:26:59,796 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:26:59,796 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-09 16:26:59,796 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:26:59,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:26:59,797 INFO L82 PathProgramCache]: Analyzing trace with hash 1647607473, now seen corresponding path program 1 times [2020-12-09 16:26:59,797 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 16:26:59,797 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386250988] [2020-12-09 16:26:59,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 16:26:59,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:27:02,515 INFO L134 CoverageAnalysis]: Checked inductivity of 1440 backedges. 1129 proven. 89 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2020-12-09 16:27:02,515 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386250988] [2020-12-09 16:27:02,515 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1057530770] [2020-12-09 16:27:02,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_614359a4-48a2-416a-91de-8bb70cb9ff1f/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 16:27:02,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:27:02,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 1730 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 16:27:02,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:27:04,517 INFO L134 CoverageAnalysis]: Checked inductivity of 1440 backedges. 1143 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2020-12-09 16:27:04,517 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 16:27:06,170 INFO L134 CoverageAnalysis]: Checked inductivity of 1440 backedges. 1143 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2020-12-09 16:27:06,170 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2020-12-09 16:27:06,171 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 7 [2020-12-09 16:27:06,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337311111] [2020-12-09 16:27:06,173 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 16:27:06,173 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 16:27:06,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 16:27:06,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-09 16:27:06,173 INFO L87 Difference]: Start difference. First operand 80351 states and 91327 transitions. Second operand 3 states. [2020-12-09 16:27:09,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:27:09,555 INFO L93 Difference]: Finished difference Result 183441 states and 208267 transitions. [2020-12-09 16:27:09,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 16:27:09,556 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1382 [2020-12-09 16:27:09,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:27:09,651 INFO L225 Difference]: With dead ends: 183441 [2020-12-09 16:27:09,651 INFO L226 Difference]: Without dead ends: 103091 [2020-12-09 16:27:09,685 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2767 GetRequests, 2761 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-09 16:27:09,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103091 states. [2020-12-09 16:27:10,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103091 to 97785. [2020-12-09 16:27:10,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97785 states. [2020-12-09 16:27:10,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97785 states to 97785 states and 109689 transitions. [2020-12-09 16:27:10,537 INFO L78 Accepts]: Start accepts. Automaton has 97785 states and 109689 transitions. Word has length 1382 [2020-12-09 16:27:10,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:27:10,538 INFO L481 AbstractCegarLoop]: Abstraction has 97785 states and 109689 transitions. [2020-12-09 16:27:10,538 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 16:27:10,538 INFO L276 IsEmpty]: Start isEmpty. Operand 97785 states and 109689 transitions. [2020-12-09 16:27:10,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1416 [2020-12-09 16:27:10,586 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:27:10,588 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:27:10,788 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-12-09 16:27:10,789 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:27:10,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:27:10,791 INFO L82 PathProgramCache]: Analyzing trace with hash -41798374, now seen corresponding path program 1 times [2020-12-09 16:27:10,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 16:27:10,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414590409] [2020-12-09 16:27:10,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 16:27:10,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:27:13,264 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 699 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-09 16:27:13,264 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414590409] [2020-12-09 16:27:13,264 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:27:13,264 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 16:27:13,264 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740521293] [2020-12-09 16:27:13,265 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 16:27:13,265 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 16:27:13,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 16:27:13,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 16:27:13,266 INFO L87 Difference]: Start difference. First operand 97785 states and 109689 transitions. Second operand 4 states. [2020-12-09 16:27:17,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:27:17,744 INFO L93 Difference]: Finished difference Result 198601 states and 222625 transitions. [2020-12-09 16:27:17,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 16:27:17,745 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1415 [2020-12-09 16:27:17,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:27:17,838 INFO L225 Difference]: With dead ends: 198601 [2020-12-09 16:27:17,838 INFO L226 Difference]: Without dead ends: 101575 [2020-12-09 16:27:17,876 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 16:27:17,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101575 states. [2020-12-09 16:27:18,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101575 to 101575. [2020-12-09 16:27:18,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101575 states. [2020-12-09 16:27:18,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101575 states to 101575 states and 113569 transitions. [2020-12-09 16:27:18,842 INFO L78 Accepts]: Start accepts. Automaton has 101575 states and 113569 transitions. Word has length 1415 [2020-12-09 16:27:18,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:27:18,843 INFO L481 AbstractCegarLoop]: Abstraction has 101575 states and 113569 transitions. [2020-12-09 16:27:18,843 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 16:27:18,843 INFO L276 IsEmpty]: Start isEmpty. Operand 101575 states and 113569 transitions. [2020-12-09 16:27:18,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1530 [2020-12-09 16:27:18,899 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:27:18,900 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:27:18,900 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-09 16:27:18,901 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:27:18,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:27:18,901 INFO L82 PathProgramCache]: Analyzing trace with hash -1456836700, now seen corresponding path program 1 times [2020-12-09 16:27:18,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 16:27:18,901 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932481528] [2020-12-09 16:27:18,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 16:27:19,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:27:21,564 INFO L134 CoverageAnalysis]: Checked inductivity of 982 backedges. 944 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-09 16:27:21,564 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932481528] [2020-12-09 16:27:21,564 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:27:21,564 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 16:27:21,564 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864789254] [2020-12-09 16:27:21,565 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 16:27:21,566 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 16:27:21,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 16:27:21,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 16:27:21,566 INFO L87 Difference]: Start difference. First operand 101575 states and 113569 transitions. Second operand 4 states. [2020-12-09 16:27:25,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:27:25,752 INFO L93 Difference]: Finished difference Result 202391 states and 226373 transitions. [2020-12-09 16:27:25,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 16:27:25,753 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1529 [2020-12-09 16:27:25,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:27:25,839 INFO L225 Difference]: With dead ends: 202391 [2020-12-09 16:27:25,839 INFO L226 Difference]: Without dead ends: 101575 [2020-12-09 16:27:25,879 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 16:27:25,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101575 states. [2020-12-09 16:27:26,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101575 to 100817. [2020-12-09 16:27:26,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100817 states. [2020-12-09 16:27:26,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100817 states to 100817 states and 112655 transitions. [2020-12-09 16:27:26,925 INFO L78 Accepts]: Start accepts. Automaton has 100817 states and 112655 transitions. Word has length 1529 [2020-12-09 16:27:26,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:27:26,926 INFO L481 AbstractCegarLoop]: Abstraction has 100817 states and 112655 transitions. [2020-12-09 16:27:26,926 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 16:27:26,926 INFO L276 IsEmpty]: Start isEmpty. Operand 100817 states and 112655 transitions. [2020-12-09 16:27:26,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1581 [2020-12-09 16:27:26,977 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:27:26,978 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-09 16:27:26,978 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-09 16:27:26,979 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:27:26,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:27:26,979 INFO L82 PathProgramCache]: Analyzing trace with hash -1498925018, now seen corresponding path program 1 times [2020-12-09 16:27:26,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 16:27:26,979 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953602484] [2020-12-09 16:27:26,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 16:27:27,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:27:28,808 INFO L134 CoverageAnalysis]: Checked inductivity of 2474 backedges. 1624 proven. 0 refuted. 0 times theorem prover too weak. 850 trivial. 0 not checked. [2020-12-09 16:27:28,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953602484] [2020-12-09 16:27:28,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:27:28,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 16:27:28,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445390791] [2020-12-09 16:27:28,809 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 16:27:28,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 16:27:28,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 16:27:28,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 16:27:28,810 INFO L87 Difference]: Start difference. First operand 100817 states and 112655 transitions. Second operand 3 states. [2020-12-09 16:27:32,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:27:32,885 INFO L93 Difference]: Finished difference Result 201633 states and 225327 transitions. [2020-12-09 16:27:32,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 16:27:32,886 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1580 [2020-12-09 16:27:32,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:27:32,986 INFO L225 Difference]: With dead ends: 201633 [2020-12-09 16:27:32,986 INFO L226 Difference]: Without dead ends: 101575 [2020-12-09 16:27:33,029 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 16:27:33,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101575 states. [2020-12-09 16:27:33,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101575 to 101575. [2020-12-09 16:27:33,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101575 states. [2020-12-09 16:27:33,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101575 states to 101575 states and 110882 transitions. [2020-12-09 16:27:33,994 INFO L78 Accepts]: Start accepts. Automaton has 101575 states and 110882 transitions. Word has length 1580 [2020-12-09 16:27:33,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:27:33,995 INFO L481 AbstractCegarLoop]: Abstraction has 101575 states and 110882 transitions. [2020-12-09 16:27:33,995 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 16:27:33,995 INFO L276 IsEmpty]: Start isEmpty. Operand 101575 states and 110882 transitions. [2020-12-09 16:27:34,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1694 [2020-12-09 16:27:34,056 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:27:34,057 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:27:34,057 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-09 16:27:34,057 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:27:34,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:27:34,058 INFO L82 PathProgramCache]: Analyzing trace with hash 634448594, now seen corresponding path program 1 times [2020-12-09 16:27:34,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 16:27:34,058 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361020774] [2020-12-09 16:27:34,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 16:27:34,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:27:37,561 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 1121 proven. 223 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2020-12-09 16:27:37,562 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361020774] [2020-12-09 16:27:37,562 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1469663209] [2020-12-09 16:27:37,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_614359a4-48a2-416a-91de-8bb70cb9ff1f/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 16:27:37,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:27:37,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 2044 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 16:27:38,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:27:40,607 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 1021 proven. 0 refuted. 0 times theorem prover too weak. 575 trivial. 0 not checked. [2020-12-09 16:27:40,607 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 16:27:43,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 1021 proven. 0 refuted. 0 times theorem prover too weak. 575 trivial. 0 not checked. [2020-12-09 16:27:43,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2020-12-09 16:27:43,121 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 10 [2020-12-09 16:27:43,122 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298764897] [2020-12-09 16:27:43,123 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 16:27:43,123 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 16:27:43,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 16:27:43,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-12-09 16:27:43,124 INFO L87 Difference]: Start difference. First operand 101575 states and 110882 transitions. Second operand 3 states. [2020-12-09 16:27:46,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:27:46,468 INFO L93 Difference]: Finished difference Result 202391 states and 220999 transitions. [2020-12-09 16:27:46,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 16:27:46,469 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1693 [2020-12-09 16:27:46,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:27:46,558 INFO L225 Difference]: With dead ends: 202391 [2020-12-09 16:27:46,558 INFO L226 Difference]: Without dead ends: 101575 [2020-12-09 16:27:46,597 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3392 GetRequests, 3383 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-12-09 16:27:46,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101575 states. [2020-12-09 16:27:47,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101575 to 97027. [2020-12-09 16:27:47,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97027 states. [2020-12-09 16:27:47,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97027 states to 97027 states and 103212 transitions. [2020-12-09 16:27:47,457 INFO L78 Accepts]: Start accepts. Automaton has 97027 states and 103212 transitions. Word has length 1693 [2020-12-09 16:27:47,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:27:47,458 INFO L481 AbstractCegarLoop]: Abstraction has 97027 states and 103212 transitions. [2020-12-09 16:27:47,458 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 16:27:47,458 INFO L276 IsEmpty]: Start isEmpty. Operand 97027 states and 103212 transitions. [2020-12-09 16:27:47,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4807 [2020-12-09 16:27:47,736 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:27:47,738 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:27:47,938 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 16:27:47,939 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:27:47,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:27:47,943 INFO L82 PathProgramCache]: Analyzing trace with hash -782313728, now seen corresponding path program 1 times [2020-12-09 16:27:47,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 16:27:47,944 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726395897] [2020-12-09 16:27:47,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 16:27:48,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:28:05,209 INFO L134 CoverageAnalysis]: Checked inductivity of 17150 backedges. 6582 proven. 223 refuted. 0 times theorem prover too weak. 10345 trivial. 0 not checked. [2020-12-09 16:28:05,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726395897] [2020-12-09 16:28:05,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1242289660] [2020-12-09 16:28:05,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_614359a4-48a2-416a-91de-8bb70cb9ff1f/bin/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 16:28:06,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:28:06,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 5495 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 16:28:06,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:28:18,255 INFO L134 CoverageAnalysis]: Checked inductivity of 17150 backedges. 8187 proven. 0 refuted. 0 times theorem prover too weak. 8963 trivial. 0 not checked. [2020-12-09 16:28:18,256 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 16:28:30,492 INFO L134 CoverageAnalysis]: Checked inductivity of 17150 backedges. 8187 proven. 0 refuted. 0 times theorem prover too weak. 8963 trivial. 0 not checked. [2020-12-09 16:28:30,492 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2020-12-09 16:28:30,495 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 10 [2020-12-09 16:28:30,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389088340] [2020-12-09 16:28:30,499 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 16:28:30,499 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 16:28:30,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 16:28:30,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-12-09 16:28:30,500 INFO L87 Difference]: Start difference. First operand 97027 states and 103212 transitions. Second operand 3 states. [2020-12-09 16:28:33,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:28:33,797 INFO L93 Difference]: Finished difference Result 200875 states and 213539 transitions. [2020-12-09 16:28:33,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 16:28:33,797 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4806 [2020-12-09 16:28:33,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:28:33,865 INFO L225 Difference]: With dead ends: 200875 [2020-12-09 16:28:33,865 INFO L226 Difference]: Without dead ends: 92479 [2020-12-09 16:28:33,905 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9618 GetRequests, 9609 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-12-09 16:28:33,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92479 states. [2020-12-09 16:28:34,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92479 to 90205. [2020-12-09 16:28:34,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90205 states. [2020-12-09 16:28:34,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90205 states to 90205 states and 91847 transitions. [2020-12-09 16:28:34,648 INFO L78 Accepts]: Start accepts. Automaton has 90205 states and 91847 transitions. Word has length 4806 [2020-12-09 16:28:34,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:28:34,649 INFO L481 AbstractCegarLoop]: Abstraction has 90205 states and 91847 transitions. [2020-12-09 16:28:34,649 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 16:28:34,649 INFO L276 IsEmpty]: Start isEmpty. Operand 90205 states and 91847 transitions. [2020-12-09 16:28:34,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5437 [2020-12-09 16:28:34,800 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:28:34,802 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-12-09 16:28:35,002 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2020-12-09 16:28:35,003 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:28:35,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:28:35,008 INFO L82 PathProgramCache]: Analyzing trace with hash -708686126, now seen corresponding path program 1 times [2020-12-09 16:28:35,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 16:28:35,008 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544030995] [2020-12-09 16:28:35,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 16:28:35,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:28:55,403 INFO L134 CoverageAnalysis]: Checked inductivity of 23781 backedges. 6099 proven. 89 refuted. 0 times theorem prover too weak. 17593 trivial. 0 not checked. [2020-12-09 16:28:55,403 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544030995] [2020-12-09 16:28:55,403 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1984536584] [2020-12-09 16:28:55,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_614359a4-48a2-416a-91de-8bb70cb9ff1f/bin/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 16:28:56,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:28:56,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 6200 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 16:28:56,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:29:12,235 INFO L134 CoverageAnalysis]: Checked inductivity of 23781 backedges. 13062 proven. 0 refuted. 0 times theorem prover too weak. 10719 trivial. 0 not checked. [2020-12-09 16:29:12,235 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 16:29:28,122 INFO L134 CoverageAnalysis]: Checked inductivity of 23781 backedges. 13062 proven. 0 refuted. 0 times theorem prover too weak. 10719 trivial. 0 not checked. [2020-12-09 16:29:28,123 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2020-12-09 16:29:28,126 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 7 [2020-12-09 16:29:28,126 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812103368] [2020-12-09 16:29:28,130 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 16:29:28,130 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 16:29:28,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 16:29:28,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-09 16:29:28,131 INFO L87 Difference]: Start difference. First operand 90205 states and 91847 transitions. Second operand 3 states. [2020-12-09 16:29:30,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:29:30,676 INFO L93 Difference]: Finished difference Result 194811 states and 198370 transitions. [2020-12-09 16:29:30,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 16:29:30,677 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5436 [2020-12-09 16:29:30,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:29:30,757 INFO L225 Difference]: With dead ends: 194811 [2020-12-09 16:29:30,757 INFO L226 Difference]: Without dead ends: 105365 [2020-12-09 16:29:30,792 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10875 GetRequests, 10869 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 16:29:30,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105365 states. [2020-12-09 16:29:31,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105365 to 97027. [2020-12-09 16:29:31,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97027 states. [2020-12-09 16:29:31,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97027 states to 97027 states and 98690 transitions. [2020-12-09 16:29:31,602 INFO L78 Accepts]: Start accepts. Automaton has 97027 states and 98690 transitions. Word has length 5436 [2020-12-09 16:29:31,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:29:31,603 INFO L481 AbstractCegarLoop]: Abstraction has 97027 states and 98690 transitions. [2020-12-09 16:29:31,603 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 16:29:31,604 INFO L276 IsEmpty]: Start isEmpty. Operand 97027 states and 98690 transitions. [2020-12-09 16:29:31,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5639 [2020-12-09 16:29:31,889 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:29:31,892 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:29:32,094 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 16:29:32,095 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:29:32,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:29:32,100 INFO L82 PathProgramCache]: Analyzing trace with hash 1437098118, now seen corresponding path program 1 times [2020-12-09 16:29:32,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 16:29:32,100 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847887516] [2020-12-09 16:29:32,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 16:29:32,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:29:54,544 INFO L134 CoverageAnalysis]: Checked inductivity of 27457 backedges. 6718 proven. 89 refuted. 0 times theorem prover too weak. 20650 trivial. 0 not checked. [2020-12-09 16:29:54,544 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847887516] [2020-12-09 16:29:54,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1514573401] [2020-12-09 16:29:54,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_614359a4-48a2-416a-91de-8bb70cb9ff1f/bin/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 16:29:55,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:29:55,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 6444 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 16:29:55,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:30:13,441 INFO L134 CoverageAnalysis]: Checked inductivity of 27457 backedges. 4879 proven. 0 refuted. 0 times theorem prover too weak. 22578 trivial. 0 not checked. [2020-12-09 16:30:13,441 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 16:30:30,210 INFO L134 CoverageAnalysis]: Checked inductivity of 27457 backedges. 4879 proven. 0 refuted. 0 times theorem prover too weak. 22578 trivial. 0 not checked. [2020-12-09 16:30:30,210 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2020-12-09 16:30:30,214 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 7 [2020-12-09 16:30:30,214 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081595415] [2020-12-09 16:30:30,218 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 16:30:30,218 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 16:30:30,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 16:30:30,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-09 16:30:30,219 INFO L87 Difference]: Start difference. First operand 97027 states and 98690 transitions. Second operand 3 states. [2020-12-09 16:30:32,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:30:32,745 INFO L93 Difference]: Finished difference Result 202389 states and 205820 transitions. [2020-12-09 16:30:32,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 16:30:32,746 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5638 [2020-12-09 16:30:32,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:30:32,751 INFO L225 Difference]: With dead ends: 202389 [2020-12-09 16:30:32,751 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 16:30:32,794 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11279 GetRequests, 11273 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 16:30:32,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 16:30:32,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 16:30:32,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 16:30:32,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 16:30:32,795 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5638 [2020-12-09 16:30:32,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:30:32,796 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 16:30:32,796 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 16:30:32,796 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 16:30:32,796 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 16:30:32,996 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 16:30:33,001 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 16:30:34,432 WARN L197 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 826 DAG size of output: 306 [2020-12-09 16:30:35,739 WARN L197 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 823 DAG size of output: 305 [2020-12-09 16:30:36,275 WARN L197 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 503 DAG size of output: 260 [2020-12-09 16:30:36,500 WARN L197 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 194 [2020-12-09 16:30:36,725 WARN L197 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 194 [2020-12-09 16:30:39,373 WARN L197 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 255 DAG size of output: 73 [2020-12-09 16:30:41,751 WARN L197 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 255 DAG size of output: 73 [2020-12-09 16:30:43,343 WARN L197 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 223 DAG size of output: 71 [2020-12-09 16:30:44,967 WARN L197 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 174 DAG size of output: 70 [2020-12-09 16:30:46,624 WARN L197 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 174 DAG size of output: 70 [2020-12-09 16:30:46,627 INFO L262 CegarLoopResult]: For program point L1819(lines 1819 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,627 INFO L262 CegarLoopResult]: For program point L762(lines 762 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,627 INFO L262 CegarLoopResult]: For program point L1555(lines 1555 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,627 INFO L262 CegarLoopResult]: For program point L234(lines 234 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,627 INFO L262 CegarLoopResult]: For program point L2084(lines 2084 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,627 INFO L262 CegarLoopResult]: For program point L3141(lines 3141 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,627 INFO L262 CegarLoopResult]: For program point L2613(lines 2613 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,627 INFO L262 CegarLoopResult]: For program point L4463(lines 4463 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,627 INFO L262 CegarLoopResult]: For program point L1292(lines 1292 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,627 INFO L262 CegarLoopResult]: For program point L3671(lines 3671 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,627 INFO L262 CegarLoopResult]: For program point L500(lines 500 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,627 INFO L262 CegarLoopResult]: For program point L1029(lines 1029 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,627 INFO L262 CegarLoopResult]: For program point L3936(lines 3936 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,627 INFO L262 CegarLoopResult]: For program point L1823(lines 1823 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,627 INFO L262 CegarLoopResult]: For program point L2352(lines 2352 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,627 INFO L262 CegarLoopResult]: For program point L2881(lines 2881 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,627 INFO L262 CegarLoopResult]: For program point L1560(lines 1560 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,627 INFO L262 CegarLoopResult]: For program point L4203(lines 4203 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,627 INFO L262 CegarLoopResult]: For program point L1032(lines 1032 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,627 INFO L262 CegarLoopResult]: For program point L3411(lines 3411 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,628 INFO L262 CegarLoopResult]: For program point L240(lines 240 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,628 INFO L262 CegarLoopResult]: For program point L3147(lines 3147 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,628 INFO L262 CegarLoopResult]: For program point L2883(lines 2883 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,628 INFO L262 CegarLoopResult]: For program point L769(lines 769 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,628 INFO L262 CegarLoopResult]: For program point L3676(lines 3676 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,628 INFO L262 CegarLoopResult]: For program point L1298(lines 1298 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,628 INFO L262 CegarLoopResult]: For program point L2091(lines 2091 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,628 INFO L262 CegarLoopResult]: For program point L1827(lines 1827 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,628 INFO L262 CegarLoopResult]: For program point L506(lines 506 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,628 INFO L262 CegarLoopResult]: For program point L4470(lines 4470 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,628 INFO L262 CegarLoopResult]: For program point L3942(lines 3942 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,628 INFO L262 CegarLoopResult]: For program point L2621(lines 2621 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,628 INFO L262 CegarLoopResult]: For program point L4736-1(lines 4084 4818) no Hoare annotation was computed. [2020-12-09 16:30:46,628 INFO L262 CegarLoopResult]: For program point L2358(lines 2358 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,628 INFO L262 CegarLoopResult]: For program point L1566(lines 1566 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,628 INFO L262 CegarLoopResult]: For program point L1038(lines 1038 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,628 INFO L262 CegarLoopResult]: For program point L774(lines 774 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,628 INFO L262 CegarLoopResult]: For program point L3681(lines 3681 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,628 INFO L262 CegarLoopResult]: For program point L1303(lines 1303 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,628 INFO L262 CegarLoopResult]: For program point L246(lines 246 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,628 INFO L262 CegarLoopResult]: For program point L4210(lines 4210 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,628 INFO L262 CegarLoopResult]: For program point L4739-1(lines 4084 4818) no Hoare annotation was computed. [2020-12-09 16:30:46,628 INFO L262 CegarLoopResult]: For program point L2625(lines 2625 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,628 INFO L262 CegarLoopResult]: For program point L511(lines 511 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,628 INFO L262 CegarLoopResult]: For program point L3418(lines 3418 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,628 INFO L262 CegarLoopResult]: For program point L2361(lines 2361 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,628 INFO L262 CegarLoopResult]: For program point L3154(lines 3154 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,629 INFO L262 CegarLoopResult]: For program point L2097(lines 2097 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,629 INFO L262 CegarLoopResult]: For program point L2890(lines 2890 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,629 INFO L262 CegarLoopResult]: For program point L4740(line 4740) no Hoare annotation was computed. [2020-12-09 16:30:46,629 INFO L262 CegarLoopResult]: For program point L4477(lines 4477 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,629 INFO L262 CegarLoopResult]: For program point L3949(lines 3949 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,629 INFO L262 CegarLoopResult]: For program point L1835(lines 1835 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,629 INFO L262 CegarLoopResult]: For program point L514(lines 514 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,629 INFO L262 CegarLoopResult]: For program point L1572(lines 1572 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,629 INFO L262 CegarLoopResult]: For program point L1308(lines 1308 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,629 INFO L262 CegarLoopResult]: For program point L3423(lines 3423 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,629 INFO L262 CegarLoopResult]: For program point L252(lines 252 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,629 INFO L262 CegarLoopResult]: For program point L1045(lines 1045 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,629 INFO L262 CegarLoopResult]: For program point L781(lines 781 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,629 INFO L262 CegarLoopResult]: For program point L3688(lines 3688 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,629 INFO L262 CegarLoopResult]: For program point L4217(lines 4217 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,629 INFO L262 CegarLoopResult]: For program point L2103(lines 2103 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,629 INFO L262 CegarLoopResult]: For program point L2632(lines 2632 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,629 INFO L262 CegarLoopResult]: For program point L2368(lines 2368 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,629 INFO L262 CegarLoopResult]: For program point L3161(lines 3161 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,629 INFO L262 CegarLoopResult]: For program point L2897(lines 2897 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,629 INFO L262 CegarLoopResult]: For program point L1048(lines 1048 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,629 INFO L262 CegarLoopResult]: For program point L3955(lines 3955 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,629 INFO L262 CegarLoopResult]: For program point L4484(lines 4484 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,629 INFO L262 CegarLoopResult]: For program point L1313(lines 1313 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,629 INFO L262 CegarLoopResult]: For program point L1578(lines 1578 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,629 INFO L262 CegarLoopResult]: For program point L521(lines 521 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,629 INFO L262 CegarLoopResult]: For program point L1843(lines 1843 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,630 INFO L262 CegarLoopResult]: For program point L786(lines 786 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,630 INFO L262 CegarLoopResult]: For program point L3694(lines 3694 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,630 INFO L262 CegarLoopResult]: For program point L3430(lines 3430 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,630 INFO L262 CegarLoopResult]: For program point L259(lines 259 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,630 INFO L262 CegarLoopResult]: For program point L788(lines 788 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,630 INFO L262 CegarLoopResult]: For program point L2110(lines 2110 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,630 INFO L262 CegarLoopResult]: For program point L4224(lines 4224 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,630 INFO L262 CegarLoopResult]: For program point L2639(lines 2639 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,630 INFO L262 CegarLoopResult]: For program point L3432(lines 3432 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,630 INFO L262 CegarLoopResult]: For program point L1318(lines 1318 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,630 INFO L262 CegarLoopResult]: For program point L2375(lines 2375 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,630 INFO L262 CegarLoopResult]: For program point L3168(lines 3168 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,630 INFO L262 CegarLoopResult]: For program point L2904(lines 2904 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,630 INFO L262 CegarLoopResult]: For program point L4490(lines 4490 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,630 INFO L262 CegarLoopResult]: For program point L1055(lines 1055 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,630 INFO L262 CegarLoopResult]: For program point L1584(lines 1584 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,630 INFO L262 CegarLoopResult]: For program point L3963(lines 3963 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,630 INFO L262 CegarLoopResult]: For program point L1849(lines 1849 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,630 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4740) no Hoare annotation was computed. [2020-12-09 16:30:46,630 INFO L262 CegarLoopResult]: For program point L528(lines 528 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,630 INFO L262 CegarLoopResult]: For program point L2114(lines 2114 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,630 INFO L262 CegarLoopResult]: For program point L793(lines 793 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,630 INFO L262 CegarLoopResult]: For program point L3700(lines 3700 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,630 INFO L262 CegarLoopResult]: For program point L265(lines 265 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,630 INFO L262 CegarLoopResult]: For program point L2908(lines 2908 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,630 INFO L262 CegarLoopResult]: For program point L4494(lines 4494 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,630 INFO L262 CegarLoopResult]: For program point L4230(lines 4230 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,631 INFO L262 CegarLoopResult]: For program point L3173(lines 3173 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,631 INFO L262 CegarLoopResult]: For program point L2645(lines 2645 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,631 INFO L262 CegarLoopResult]: For program point L1589(lines 1589 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,631 INFO L262 CegarLoopResult]: For program point L2382(lines 2382 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,631 INFO L262 CegarLoopResult]: For program point L3439(lines 3439 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,631 INFO L262 CegarLoopResult]: For program point L3968(lines 3968 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,631 INFO L262 CegarLoopResult]: For program point L1854(lines 1854 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,631 INFO L262 CegarLoopResult]: For program point L1326(lines 1326 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,631 INFO L262 CegarLoopResult]: For program point L1062(lines 1062 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,631 INFO L262 CegarLoopResult]: For program point L798(lines 798 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,631 INFO L262 CegarLoopResult]: For program point L270(lines 270 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,631 INFO L262 CegarLoopResult]: For program point L2120(lines 2120 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,631 INFO L262 CegarLoopResult]: For program point L3706(lines 3706 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,631 INFO L262 CegarLoopResult]: For program point L535(lines 535 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,631 INFO L262 CegarLoopResult]: For program point L3178(lines 3178 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,631 INFO L262 CegarLoopResult]: For program point L4236(lines 4236 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,631 INFO L262 CegarLoopResult]: For program point L2915(lines 2915 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,631 INFO L262 CegarLoopResult]: For program point L1594(lines 1594 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,631 INFO L262 CegarLoopResult]: For program point L2651(lines 2651 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,631 INFO L262 CegarLoopResult]: For program point L4501(lines 4501 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,631 INFO L262 CegarLoopResult]: For program point L802(lines 802 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,631 INFO L262 CegarLoopResult]: For program point L539(lines 539 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,631 INFO L262 CegarLoopResult]: For program point L3446(lines 3446 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,631 INFO L262 CegarLoopResult]: For program point L1332(lines 1332 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,631 INFO L262 CegarLoopResult]: For program point L2389(lines 2389 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,631 INFO L262 CegarLoopResult]: For program point L275(lines 275 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,631 INFO L262 CegarLoopResult]: For program point L2125(lines 2125 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,632 INFO L262 CegarLoopResult]: For program point L3975(lines 3975 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,632 INFO L262 CegarLoopResult]: For program point L1861(lines 1861 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,632 INFO L262 CegarLoopResult]: For program point L3711(lines 3711 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,632 INFO L262 CegarLoopResult]: For program point L1069(lines 1069 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,632 INFO L262 CegarLoopResult]: For program point L4506(lines 4506 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,632 INFO L262 CegarLoopResult]: For program point L278(lines 278 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,632 INFO L262 CegarLoopResult]: For program point L4242(lines 4242 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,632 INFO L262 CegarLoopResult]: For program point L3186(lines 3186 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,632 INFO L262 CegarLoopResult]: For program point L2394(lines 2394 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,632 INFO L262 CegarLoopResult]: For program point L2923(lines 2923 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,632 INFO L262 CegarLoopResult]: For program point L809(lines 809 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,632 INFO L262 CegarLoopResult]: For program point L1602(lines 1602 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,632 INFO L262 CegarLoopResult]: For program point L2659(lines 2659 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,632 INFO L262 CegarLoopResult]: For program point L1338(lines 1338 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,632 INFO L262 CegarLoopResult]: For program point L2131(lines 2131 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,632 INFO L262 CegarLoopResult]: For program point L3717(lines 3717 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,632 INFO L262 CegarLoopResult]: For program point L546(lines 546 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,632 INFO L262 CegarLoopResult]: For program point L3453(lines 3453 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,632 INFO L262 CegarLoopResult]: For program point L3982(lines 3982 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,632 INFO L262 CegarLoopResult]: For program point L1076(lines 1076 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,632 INFO L262 CegarLoopResult]: For program point L1869(lines 1869 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,632 INFO L262 CegarLoopResult]: For program point L4512(lines 4512 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,632 INFO L262 CegarLoopResult]: For program point L284(lines 284 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,632 INFO L262 CegarLoopResult]: For program point L3191(lines 3191 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,632 INFO L262 CegarLoopResult]: For program point L4248(lines 4248 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,632 INFO L262 CegarLoopResult]: For program point L549(lines 549 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,632 INFO L262 CegarLoopResult]: For program point L2664(lines 2664 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,632 INFO L262 CegarLoopResult]: For program point L2401(lines 2401 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,633 INFO L262 CegarLoopResult]: For program point L2137(lines 2137 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,633 INFO L262 CegarLoopResult]: For program point L2930(lines 2930 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,633 INFO L262 CegarLoopResult]: For program point L3723(lines 3723 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,633 INFO L262 CegarLoopResult]: For program point L1609(lines 1609 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,633 INFO L262 CegarLoopResult]: For program point L3459(lines 3459 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,633 INFO L262 CegarLoopResult]: For program point L3988(lines 3988 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,633 INFO L262 CegarLoopResult]: For program point L817(lines 817 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,633 INFO L262 CegarLoopResult]: For program point L4517(lines 4517 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,633 INFO L262 CegarLoopResult]: For program point L1346(lines 1346 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,633 INFO L262 CegarLoopResult]: For program point L1082(lines 1082 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,633 INFO L262 CegarLoopResult]: For program point L290(lines 290 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,633 INFO L262 CegarLoopResult]: For program point L1876(lines 1876 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,633 INFO L262 CegarLoopResult]: For program point L4255(lines 4255 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,633 INFO L262 CegarLoopResult]: For program point L3198(lines 3198 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,633 INFO L262 CegarLoopResult]: For program point L556(lines 556 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,633 INFO L262 CegarLoopResult]: For program point L2142(lines 2142 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,633 INFO L262 CegarLoopResult]: For program point L2671(lines 2671 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,633 INFO L262 CegarLoopResult]: For program point L1615(lines 1615 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,633 INFO L262 CegarLoopResult]: For program point L1351(lines 1351 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,633 INFO L262 CegarLoopResult]: For program point L1087(lines 1087 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,633 INFO L262 CegarLoopResult]: For program point L2937(lines 2937 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,633 INFO L262 CegarLoopResult]: For program point L3730(lines 3730 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,633 INFO L262 CegarLoopResult]: For program point L4523(lines 4523 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,633 INFO L262 CegarLoopResult]: For program point L3466(lines 3466 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,633 INFO L262 CegarLoopResult]: For program point L2409(lines 2409 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,633 INFO L262 CegarLoopResult]: For program point L2145(lines 2145 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,633 INFO L262 CegarLoopResult]: For program point L3995(lines 3995 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,634 INFO L262 CegarLoopResult]: For program point L1881(lines 1881 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,634 INFO L262 CegarLoopResult]: For program point L824(lines 824 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,634 INFO L262 CegarLoopResult]: For program point L297(lines 297 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,634 INFO L262 CegarLoopResult]: For program point L3204(lines 3204 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,634 INFO L262 CegarLoopResult]: For program point L4261(lines 4261 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,634 INFO L262 CegarLoopResult]: For program point L3999(lines 3999 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,634 INFO L262 CegarLoopResult]: For program point L2678(lines 2678 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,634 INFO L262 CegarLoopResult]: For program point L564(lines 564 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,634 INFO L262 CegarLoopResult]: For program point L2414(lines 2414 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,634 INFO L262 CegarLoopResult]: For program point L3736(lines 3736 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,634 INFO L262 CegarLoopResult]: For program point L1622(lines 1622 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,634 INFO L262 CegarLoopResult]: For program point L3472(lines 3472 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,634 INFO L262 CegarLoopResult]: For program point L1358(lines 1358 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,634 INFO L262 CegarLoopResult]: For program point L1094(lines 1094 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,634 INFO L262 CegarLoopResult]: For program point L2151(lines 2151 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,634 INFO L262 CegarLoopResult]: For program point L2944(lines 2944 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,634 INFO L262 CegarLoopResult]: For program point L4530(lines 4530 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,634 INFO L262 CegarLoopResult]: For program point L3209(lines 3209 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,634 INFO L262 CegarLoopResult]: For program point L1888(lines 1888 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,634 INFO L262 CegarLoopResult]: For program point L832(lines 832 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,634 INFO L262 CegarLoopResult]: For program point L1361(lines 1361 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,634 INFO L262 CegarLoopResult]: For program point L304(lines 304 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,634 INFO L262 CegarLoopResult]: For program point L4268(lines 4268 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,634 INFO L262 CegarLoopResult]: For program point L2419(lines 2419 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,634 INFO L262 CegarLoopResult]: For program point L3741(lines 3741 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,634 INFO L262 CegarLoopResult]: For program point L570(lines 570 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,634 INFO L262 CegarLoopResult]: For program point L2685(lines 2685 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,635 INFO L262 CegarLoopResult]: For program point L4535(lines 4535 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,635 INFO L262 CegarLoopResult]: For program point L3214(lines 3214 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,635 INFO L262 CegarLoopResult]: For program point L1100(lines 1100 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,635 INFO L262 CegarLoopResult]: For program point L2950(lines 2950 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,635 INFO L262 CegarLoopResult]: For program point L4007(lines 4007 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,635 INFO L262 CegarLoopResult]: For program point L1629(lines 1629 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,635 INFO L262 CegarLoopResult]: For program point L2158(lines 2158 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,635 INFO L262 CegarLoopResult]: For program point L1894(lines 1894 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,635 INFO L262 CegarLoopResult]: For program point L3480(lines 3480 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,635 INFO L262 CegarLoopResult]: For program point L2423(lines 2423 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,635 INFO L262 CegarLoopResult]: For program point L574(lines 574 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,635 INFO L262 CegarLoopResult]: For program point L839(lines 839 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,635 INFO L262 CegarLoopResult]: For program point L1368(lines 1368 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,635 INFO L262 CegarLoopResult]: For program point L4275(lines 4275 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,635 INFO L262 CegarLoopResult]: For program point L4540(lines 4540 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,635 INFO L262 CegarLoopResult]: For program point L312(lines 312 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,635 INFO L262 CegarLoopResult]: For program point L3219(lines 3219 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,635 INFO L262 CegarLoopResult]: For program point L2955(lines 2955 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,635 INFO L262 CegarLoopResult]: For program point L3748(lines 3748 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,635 INFO L262 CegarLoopResult]: For program point L2691(lines 2691 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,635 INFO L262 CegarLoopResult]: For program point L2427(lines 2427 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,635 INFO L262 CegarLoopResult]: For program point L1899(lines 1899 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,635 INFO L262 CegarLoopResult]: For program point L2164(lines 2164 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,635 INFO L262 CegarLoopResult]: For program point L1107(lines 1107 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,635 INFO L262 CegarLoopResult]: For program point L50(lines 50 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,635 INFO L262 CegarLoopResult]: For program point L4014(lines 4014 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,635 INFO L262 CegarLoopResult]: For program point L1636(lines 1636 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,636 INFO L262 CegarLoopResult]: For program point L3486(lines 3486 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,636 INFO L262 CegarLoopResult]: For program point L845(lines 845 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,636 INFO L262 CegarLoopResult]: For program point L4545(lines 4545 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,636 INFO L262 CegarLoopResult]: For program point L317(lines 317 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,636 INFO L262 CegarLoopResult]: For program point L2960(lines 2960 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,636 INFO L262 CegarLoopResult]: For program point L3753(lines 3753 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,636 INFO L262 CegarLoopResult]: For program point L582(lines 582 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,636 INFO L262 CegarLoopResult]: For program point L1375(lines 1375 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,636 INFO L262 CegarLoopResult]: For program point L4282(lines 4282 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,636 INFO L262 CegarLoopResult]: For program point L1905(lines 1905 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,636 INFO L262 CegarLoopResult]: For program point L2698(lines 2698 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,636 INFO L262 CegarLoopResult]: For program point L2434(lines 2434 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,636 INFO L262 CegarLoopResult]: For program point L2170(lines 2170 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,636 INFO L262 CegarLoopResult]: For program point L3227(lines 3227 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,636 INFO L262 CegarLoopResult]: For program point L1113(lines 1113 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,636 INFO L262 CegarLoopResult]: For program point L57(lines 57 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,636 INFO L262 CegarLoopResult]: For program point L4021(lines 4021 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,636 INFO L262 CegarLoopResult]: For program point L850(lines 850 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,636 INFO L262 CegarLoopResult]: For program point L1643(lines 1643 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,636 INFO L262 CegarLoopResult]: For program point L3493(lines 3493 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,636 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 16:30:46,636 INFO L262 CegarLoopResult]: For program point L2966(lines 2966 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,636 INFO L262 CegarLoopResult]: For program point L1909(lines 1909 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,636 INFO L262 CegarLoopResult]: For program point L4552(lines 4552 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,636 INFO L262 CegarLoopResult]: For program point L324(lines 324 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,636 INFO L262 CegarLoopResult]: For program point L4288(lines 4288 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,637 INFO L258 CegarLoopResult]: At program point L4817(lines 4084 4818) the Hoare annotation is: (let ((.cse14 (< ~a28~0 17)) (.cse16 (<= ~a28~0 16)) (.cse13 (<= ~a26~0 17)) (.cse0 (<= ~a4~0 17)) (.cse7 (<= ~a28~0 15)) (.cse2 (<= ~a7~0 0)) (.cse10 (<= 17 ~a4~0)) (.cse1 (<= ~a14~0 19)) (.cse4 (= ~a7~0 1)) (.cse5 (<= ~a26~0 18)) (.cse3 (= ~a3~0 1)) (.cse8 (<= 19 ~a26~0)) (.cse9 (<= ~a14~0 18)) (.cse11 (= ~a14~0 20)) (.cse12 (<= 17 ~a28~0)) (.cse15 (<= ~a4~0 16)) (.cse6 (<= ~a3~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse4 .cse5 .cse6) (and .cse0 .cse7 .cse8 .cse9 .cse10 .cse6) (and .cse11 .cse12 .cse8 .cse2 .cse3) (and .cse11 .cse13 .cse2 .cse10 .cse3) (and .cse0 .cse11 .cse7 .cse8 .cse6) (and .cse14 .cse1 .cse4 .cse6) (and .cse2 .cse9 .cse6) (and .cse1 .cse12 .cse2 .cse15 .cse6) (and .cse14 .cse11 .cse8 .cse2 .cse10 .cse6) (and .cse0 .cse11 .cse2 .cse10 .cse3) (and .cse11 .cse7 .cse8 .cse3) (and .cse2 .cse9 .cse3) (and .cse4 .cse7 .cse13 .cse10 .cse3) (and .cse14 .cse11 .cse4 .cse10 .cse6) (and .cse1 .cse8 .cse2 .cse3) (and .cse0 .cse16 .cse9 .cse3) (and .cse1 .cse4 .cse7 .cse3) (and .cse1 .cse15 .cse3) (and .cse16 .cse11 .cse13 .cse15 .cse3) (and .cse14 .cse1 .cse2 .cse10 .cse6) (and .cse1 .cse7 .cse13 .cse2 .cse3) (and .cse16 .cse11 .cse4 .cse3) (and .cse0 .cse1 .cse2 .cse10 .cse6) (and .cse1 .cse12 .cse2 .cse3) (and .cse0 .cse11 .cse13 .cse2 .cse6) (and .cse1 .cse12 .cse8 .cse3) (and .cse4 .cse9 .cse3) (and .cse0 .cse11 .cse4 .cse10 .cse5 .cse3) (and .cse0 .cse11 .cse4 .cse8 .cse10 .cse6) (and .cse11 .cse7 .cse15 .cse3) (and .cse1 .cse7 .cse2 .cse6) (and .cse11 .cse7 .cse2 .cse6) (and .cse11 .cse12 .cse2 .cse10 .cse3) (and .cse11 .cse4 .cse15 .cse5 .cse6) (and .cse1 .cse4 .cse5 .cse3) (and .cse8 .cse12 .cse9 .cse6) (and .cse11 .cse12 .cse15 .cse6))) [2020-12-09 16:30:46,637 INFO L262 CegarLoopResult]: For program point L589(lines 589 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,638 INFO L258 CegarLoopResult]: At program point L1382(lines 49 1383) the Hoare annotation is: (let ((.cse16 (<= ~a28~0 16)) (.cse14 (<= ~a26~0 17)) (.cse3 (<= ~a14~0 18)) (.cse9 (<= 19 ~a26~0)) (.cse8 (<= ~a28~0 15)) (.cse10 (<= 17 ~a4~0)) (.cse5 (= ~a7~0 1)) (.cse6 (<= ~a26~0 18)) (.cse11 (= ~a14~0 20)) (.cse12 (<= 17 ~a28~0)) (.cse15 (<= ~a4~0 16)) (.cse7 (<= ~a3~0 0)) (.cse0 (< ~a28~0 17)) (.cse1 (<= ~a4~0 17)) (.cse2 (<= ~a14~0 19)) (.cse13 (<= ~a7~0 0)) (.cse4 (= ~a3~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse2 .cse5 .cse6 .cse7) (and .cse1 .cse8 .cse9 .cse3 .cse10 .cse7) (and .cse11 .cse12 .cse9 .cse13 .cse4) (and .cse11 .cse14 .cse13 .cse10 .cse4) (and .cse1 .cse11 .cse8 .cse9 .cse7) (and .cse0 .cse2 .cse5 .cse7) (and .cse13 .cse3 .cse7) (and .cse12 .cse9 .cse3 .cse7) (and .cse11 .cse5 .cse6 .cse15 .cse7) (and .cse2 .cse12 .cse13 .cse15 .cse7) (and .cse0 .cse11 .cse9 .cse13 .cse10 .cse7) (and .cse1 .cse11 .cse13 .cse10 .cse4) (and .cse11 .cse8 .cse9 .cse4) (and .cse13 .cse3 .cse4) (and .cse5 .cse8 .cse14 .cse10 .cse4) (and .cse0 .cse11 .cse5 .cse10 .cse7) (and .cse2 .cse9 .cse13 .cse4) (and .cse2 .cse5 .cse8 .cse4) (and .cse2 .cse15 .cse4) (and .cse16 .cse11 .cse14 .cse15 .cse4) (and .cse0 .cse2 .cse13 .cse10 .cse7) (and .cse2 .cse8 .cse14 .cse13 .cse4) (and .cse16 .cse11 .cse5 .cse4) (and .cse1 .cse2 .cse13 .cse10 .cse7) (and .cse2 .cse12 .cse13 .cse4) (and .cse1 .cse11 .cse14 .cse13 .cse7) (and .cse2 .cse12 .cse9 .cse4) (and .cse5 .cse3 .cse4) (and .cse1 .cse11 .cse5 .cse10 .cse6 .cse4) (and .cse1 .cse11 .cse5 .cse9 .cse10 .cse7) (and .cse11 .cse8 .cse15 .cse4) (and .cse2 .cse8 .cse13 .cse7) (and .cse11 .cse8 .cse13 .cse7) (and .cse11 .cse12 .cse13 .cse10 .cse4) (and .cse2 .cse5 .cse6 .cse4) (and .cse11 .cse12 .cse15 .cse7) (and .cse0 .cse1 .cse2 .cse13 .cse4))) [2020-12-09 16:30:46,638 INFO L262 CegarLoopResult]: For program point L1118(lines 1118 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,638 INFO L262 CegarLoopResult]: For program point L3761(lines 3761 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,638 INFO L262 CegarLoopResult]: For program point L2176(lines 2176 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,638 INFO L262 CegarLoopResult]: For program point L3233(lines 3233 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,638 INFO L262 CegarLoopResult]: For program point L62(lines 62 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,638 INFO L262 CegarLoopResult]: For program point L1912(lines 1912 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,638 INFO L262 CegarLoopResult]: For program point L855(lines 855 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,638 INFO L262 CegarLoopResult]: For program point L2441(lines 2441 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,638 INFO L262 CegarLoopResult]: For program point L2706(lines 2706 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,638 INFO L265 CegarLoopResult]: At program point L4820(lines 4820 4837) the Hoare annotation is: true [2020-12-09 16:30:46,638 INFO L262 CegarLoopResult]: For program point L4028(lines 4028 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,638 INFO L262 CegarLoopResult]: For program point L2971(lines 2971 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,638 INFO L262 CegarLoopResult]: For program point L1650(lines 1650 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,638 INFO L262 CegarLoopResult]: For program point L3500(lines 3500 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,638 INFO L262 CegarLoopResult]: For program point L1386(lines 1386 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,638 INFO L262 CegarLoopResult]: For program point L329(lines 329 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,638 INFO L262 CegarLoopResult]: For program point L4294(lines 4294 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,638 INFO L262 CegarLoopResult]: For program point L595(lines 595 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,638 INFO L262 CegarLoopResult]: For program point L4559(lines 4559 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,638 INFO L262 CegarLoopResult]: For program point L1124(lines 1124 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,638 INFO L262 CegarLoopResult]: For program point L1917(lines 1917 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,638 INFO L262 CegarLoopResult]: For program point L1653(lines 1653 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,638 INFO L262 CegarLoopResult]: For program point L2446(lines 2446 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,638 INFO L262 CegarLoopResult]: For program point L3239(lines 3239 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,639 INFO L262 CegarLoopResult]: For program point L68(lines 68 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,639 INFO L262 CegarLoopResult]: For program point L861(lines 861 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,639 INFO L262 CegarLoopResult]: For program point L3768(lines 3768 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,639 INFO L262 CegarLoopResult]: For program point L333(lines 333 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,639 INFO L262 CegarLoopResult]: For program point L2183(lines 2183 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,639 INFO L262 CegarLoopResult]: For program point L2976(lines 2976 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,639 INFO L262 CegarLoopResult]: For program point L2712(lines 2712 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,639 INFO L258 CegarLoopResult]: At program point L4826-2(lines 4826 4836) the Hoare annotation is: (let ((.cse16 (<= ~a28~0 16)) (.cse14 (<= ~a26~0 17)) (.cse3 (<= ~a14~0 18)) (.cse9 (<= 19 ~a26~0)) (.cse8 (<= ~a28~0 15)) (.cse10 (<= 17 ~a4~0)) (.cse5 (= ~a7~0 1)) (.cse6 (<= ~a26~0 18)) (.cse11 (= ~a14~0 20)) (.cse12 (<= 17 ~a28~0)) (.cse15 (<= ~a4~0 16)) (.cse7 (<= ~a3~0 0)) (.cse0 (< ~a28~0 17)) (.cse1 (<= ~a4~0 17)) (.cse2 (<= ~a14~0 19)) (.cse13 (<= ~a7~0 0)) (.cse4 (= ~a3~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse2 .cse5 .cse6 .cse7) (and .cse1 .cse8 .cse9 .cse3 .cse10 .cse7) (and .cse11 .cse12 .cse9 .cse13 .cse4) (and .cse11 .cse14 .cse13 .cse10 .cse4) (and .cse1 .cse11 .cse8 .cse9 .cse7) (and .cse0 .cse2 .cse5 .cse7) (and .cse13 .cse3 .cse7) (and .cse12 .cse9 .cse3 .cse7) (and .cse11 .cse5 .cse6 .cse15 .cse7) (and .cse2 .cse12 .cse13 .cse15 .cse7) (and .cse0 .cse11 .cse9 .cse13 .cse10 .cse7) (and .cse1 .cse11 .cse13 .cse10 .cse4) (and .cse11 .cse8 .cse9 .cse4) (and .cse13 .cse3 .cse4) (and .cse5 .cse8 .cse14 .cse10 .cse4) (and .cse0 .cse11 .cse5 .cse10 .cse7) (and .cse2 .cse9 .cse13 .cse4) (and .cse2 .cse5 .cse8 .cse4) (and .cse2 .cse15 .cse4) (and .cse16 .cse11 .cse14 .cse15 .cse4) (and .cse0 .cse2 .cse13 .cse10 .cse7) (and .cse2 .cse8 .cse14 .cse13 .cse4) (and .cse16 .cse11 .cse5 .cse4) (and .cse1 .cse2 .cse13 .cse10 .cse7) (and .cse2 .cse12 .cse13 .cse4) (and .cse1 .cse11 .cse14 .cse13 .cse7) (and .cse2 .cse12 .cse9 .cse4) (and .cse5 .cse3 .cse4) (and .cse1 .cse11 .cse5 .cse10 .cse6 .cse4) (and .cse1 .cse11 .cse5 .cse9 .cse10 .cse7) (and .cse11 .cse8 .cse15 .cse4) (and .cse2 .cse8 .cse13 .cse7) (and .cse11 .cse8 .cse13 .cse7) (and .cse11 .cse12 .cse13 .cse10 .cse4) (and .cse2 .cse5 .cse6 .cse4) (and .cse11 .cse12 .cse15 .cse7) (and .cse0 .cse1 .cse2 .cse13 .cse4))) [2020-12-09 16:30:46,639 INFO L262 CegarLoopResult]: For program point L3505(lines 3505 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,639 INFO L262 CegarLoopResult]: For program point L4034(lines 4034 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,639 INFO L262 CegarLoopResult]: For program point L1392(lines 1392 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,639 INFO L262 CegarLoopResult]: For program point L4299(lines 4299 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,639 INFO L262 CegarLoopResult]: For program point L1658(lines 1658 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,639 INFO L262 CegarLoopResult]: For program point L4566(lines 4566 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,639 INFO L262 CegarLoopResult]: For program point L1131(lines 1131 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,639 INFO L262 CegarLoopResult]: For program point L1924(lines 1924 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,639 INFO L262 CegarLoopResult]: For program point L2981(lines 2981 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,639 INFO L262 CegarLoopResult]: For program point L4831(line 4831) no Hoare annotation was computed. [2020-12-09 16:30:46,639 INFO L262 CegarLoopResult]: For program point L3774(lines 3774 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,639 INFO L262 CegarLoopResult]: For program point L603(lines 603 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,639 INFO L262 CegarLoopResult]: For program point L3246(lines 3246 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,640 INFO L262 CegarLoopResult]: For program point L2454(lines 2454 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,640 INFO L262 CegarLoopResult]: For program point L1397(lines 1397 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,640 INFO L262 CegarLoopResult]: For program point L340(lines 340 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,640 INFO L262 CegarLoopResult]: For program point L2190(lines 2190 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,640 INFO L262 CegarLoopResult]: For program point L4304(lines 4304 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,640 INFO L262 CegarLoopResult]: For program point L76(lines 76 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,640 INFO L262 CegarLoopResult]: For program point L869(lines 869 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,640 INFO L258 CegarLoopResult]: At program point L2719(lines 1385 2720) the Hoare annotation is: (let ((.cse7 (< ~a28~0 17)) (.cse16 (<= ~a28~0 16)) (.cse14 (<= ~a26~0 17)) (.cse8 (<= ~a14~0 18)) (.cse0 (<= ~a4~0 17)) (.cse10 (<= 19 ~a26~0)) (.cse9 (<= ~a28~0 15)) (.cse2 (<= ~a7~0 0)) (.cse11 (<= 17 ~a4~0)) (.cse1 (<= ~a14~0 19)) (.cse4 (= ~a7~0 1)) (.cse5 (<= ~a26~0 18)) (.cse3 (= ~a3~0 1)) (.cse12 (= ~a14~0 20)) (.cse13 (<= 17 ~a28~0)) (.cse15 (<= ~a4~0 16)) (.cse6 (<= ~a3~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse8 .cse3) (and .cse0 .cse9 .cse10 .cse8 .cse11 .cse6) (and .cse12 .cse13 .cse10 .cse2 .cse3) (and .cse12 .cse14 .cse2 .cse11 .cse3) (and .cse0 .cse12 .cse9 .cse10 .cse6) (and .cse7 .cse1 .cse4 .cse6) (and .cse2 .cse8 .cse6) (and .cse13 .cse10 .cse8 .cse6) (and .cse1 .cse13 .cse2 .cse15 .cse6) (and .cse7 .cse12 .cse10 .cse2 .cse11 .cse6) (and .cse0 .cse12 .cse2 .cse11 .cse3) (and .cse12 .cse9 .cse10 .cse3) (and .cse2 .cse8 .cse3) (and .cse4 .cse9 .cse14 .cse11 .cse3) (and .cse7 .cse12 .cse4 .cse11 .cse6) (and .cse1 .cse10 .cse2 .cse3) (and .cse1 .cse4 .cse9 .cse3) (and .cse1 .cse15 .cse3) (and .cse16 .cse12 .cse14 .cse15 .cse3) (and .cse7 .cse1 .cse2 .cse11 .cse6) (and .cse1 .cse9 .cse14 .cse2 .cse3) (and .cse16 .cse12 .cse4 .cse3) (and .cse0 .cse1 .cse2 .cse11 .cse6) (and .cse1 .cse13 .cse2 .cse3) (and .cse0 .cse12 .cse14 .cse2 .cse6) (and .cse1 .cse13 .cse10 .cse3) (and .cse4 .cse8 .cse3) (and .cse0 .cse12 .cse4 .cse11 .cse5 .cse3) (and .cse0 .cse12 .cse4 .cse10 .cse11 .cse6) (and .cse12 .cse9 .cse15 .cse3) (and .cse1 .cse9 .cse2 .cse6) (and .cse12 .cse9 .cse2 .cse6) (and .cse12 .cse13 .cse2 .cse11 .cse3) (and .cse12 .cse4 .cse15 .cse5 .cse6) (and .cse1 .cse4 .cse5 .cse3) (and .cse12 .cse13 .cse15 .cse6))) [2020-12-09 16:30:46,640 INFO L262 CegarLoopResult]: For program point L3512(lines 3512 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,640 INFO L262 CegarLoopResult]: For program point L4041(lines 4041 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,640 INFO L262 CegarLoopResult]: For program point L1664(lines 1664 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,640 INFO L262 CegarLoopResult]: For program point L1929(lines 1929 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,640 INFO L262 CegarLoopResult]: For program point L872(lines 872 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,640 INFO L262 CegarLoopResult]: For program point L3779(lines 3779 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,640 INFO L262 CegarLoopResult]: For program point L2723(lines 2723 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,640 INFO L262 CegarLoopResult]: For program point L4573(lines 4573 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,640 INFO L262 CegarLoopResult]: For program point L1402(lines 1402 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,640 INFO L262 CegarLoopResult]: For program point L2459(lines 2459 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,640 INFO L262 CegarLoopResult]: For program point L3252(lines 3252 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,640 INFO L262 CegarLoopResult]: For program point L1138(lines 1138 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,640 INFO L262 CegarLoopResult]: For program point L2988(lines 2988 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,641 INFO L262 CegarLoopResult]: For program point L610(lines 610 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,641 INFO L262 CegarLoopResult]: For program point L4310(lines 4310 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,641 INFO L262 CegarLoopResult]: For program point L2196(lines 2196 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,641 INFO L262 CegarLoopResult]: For program point L82(lines 82 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,641 INFO L262 CegarLoopResult]: For program point L1404(lines 1404 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,641 INFO L262 CegarLoopResult]: For program point L347(lines 347 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,641 INFO L262 CegarLoopResult]: For program point L3519(lines 3519 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,641 INFO L262 CegarLoopResult]: For program point L4048(lines 4048 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,641 INFO L262 CegarLoopResult]: For program point L2992(lines 2992 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,641 INFO L262 CegarLoopResult]: For program point L878(lines 878 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,641 INFO L262 CegarLoopResult]: For program point L3785(lines 3785 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,641 INFO L262 CegarLoopResult]: For program point L1671(lines 1671 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,641 INFO L262 CegarLoopResult]: For program point L1407(lines 1407 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,641 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 16:30:46,641 INFO L262 CegarLoopResult]: For program point L1143(lines 1143 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,641 INFO L262 CegarLoopResult]: For program point L1936(lines 1936 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,641 INFO L262 CegarLoopResult]: For program point L2729(lines 2729 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,641 INFO L262 CegarLoopResult]: For program point L2466(lines 2466 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,641 INFO L262 CegarLoopResult]: For program point L4580(lines 4580 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,641 INFO L262 CegarLoopResult]: For program point L4316(lines 4316 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,641 INFO L262 CegarLoopResult]: For program point L617(lines 617 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,641 INFO L262 CegarLoopResult]: For program point L3260(lines 3260 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,641 INFO L262 CegarLoopResult]: For program point L2203(lines 2203 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,641 INFO L262 CegarLoopResult]: For program point L90(lines 90 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,641 INFO L262 CegarLoopResult]: For program point L1676(lines 1676 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,641 INFO L262 CegarLoopResult]: For program point L1412(lines 1412 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,641 INFO L262 CegarLoopResult]: For program point L355(lines 355 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,641 INFO L262 CegarLoopResult]: For program point L4055(lines 4055 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,642 INFO L262 CegarLoopResult]: For program point L2470(lines 2470 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,642 INFO L262 CegarLoopResult]: For program point L3527(lines 3527 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,642 INFO L262 CegarLoopResult]: For program point L2999(lines 2999 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,642 INFO L262 CegarLoopResult]: For program point L3792(lines 3792 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,642 INFO L262 CegarLoopResult]: For program point L4585(lines 4585 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,642 INFO L262 CegarLoopResult]: For program point L1150(lines 1150 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,642 INFO L262 CegarLoopResult]: For program point L1943(lines 1943 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,642 INFO L262 CegarLoopResult]: For program point L886(lines 886 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,642 INFO L262 CegarLoopResult]: For program point L2736(lines 2736 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,642 INFO L262 CegarLoopResult]: For program point L4323(lines 4323 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,642 INFO L262 CegarLoopResult]: For program point L3266(lines 3266 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,642 INFO L262 CegarLoopResult]: For program point L95(lines 95 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,642 INFO L262 CegarLoopResult]: For program point L624(lines 624 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,642 INFO L262 CegarLoopResult]: For program point L2210(lines 2210 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,642 INFO L262 CegarLoopResult]: For program point L1682(lines 1682 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,642 INFO L262 CegarLoopResult]: For program point L1418(lines 1418 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,642 INFO L262 CegarLoopResult]: For program point L362(lines 362 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,642 INFO L262 CegarLoopResult]: For program point L1155(lines 1155 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,642 INFO L262 CegarLoopResult]: For program point L4062(lines 4062 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,642 INFO L262 CegarLoopResult]: For program point L2741(lines 2741 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,642 INFO L262 CegarLoopResult]: For program point L3534(lines 3534 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,642 INFO L262 CegarLoopResult]: For program point L2477(lines 2477 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,642 INFO L262 CegarLoopResult]: For program point L3006(lines 3006 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,642 INFO L262 CegarLoopResult]: For program point L3799(lines 3799 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,642 INFO L262 CegarLoopResult]: For program point L1950(lines 1950 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,642 INFO L262 CegarLoopResult]: For program point L4593(lines 4593 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,642 INFO L262 CegarLoopResult]: For program point L2215(lines 2215 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,642 INFO L262 CegarLoopResult]: For program point L894(lines 894 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,643 INFO L262 CegarLoopResult]: For program point L630(lines 630 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,643 INFO L262 CegarLoopResult]: For program point L4330(lines 4330 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,643 INFO L262 CegarLoopResult]: For program point L3273(lines 3273 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,643 INFO L262 CegarLoopResult]: For program point L102(lines 102 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,643 INFO L262 CegarLoopResult]: For program point L1688(lines 1688 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,643 INFO L262 CegarLoopResult]: For program point L1425(lines 1425 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,643 INFO L262 CegarLoopResult]: For program point L3804(lines 3804 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,643 INFO L262 CegarLoopResult]: For program point L2483(lines 2483 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,643 INFO L262 CegarLoopResult]: For program point L369(lines 369 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,643 INFO L262 CegarLoopResult]: For program point L3276(lines 3276 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,643 INFO L262 CegarLoopResult]: For program point L4069(lines 4069 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,643 INFO L262 CegarLoopResult]: For program point L2748(lines 2748 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,643 INFO L262 CegarLoopResult]: For program point L3541(lines 3541 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,643 INFO L262 CegarLoopResult]: For program point L1163(lines 1163 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,643 INFO L262 CegarLoopResult]: For program point L635(lines 635 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,643 INFO L262 CegarLoopResult]: For program point L3014(lines 3014 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,643 INFO L262 CegarLoopResult]: For program point L2486(lines 2486 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,643 INFO L262 CegarLoopResult]: For program point L4600(lines 4600 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,643 INFO L262 CegarLoopResult]: For program point L2222(lines 2222 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,643 INFO L262 CegarLoopResult]: For program point L4336(lines 4336 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,643 INFO L262 CegarLoopResult]: For program point L1958(lines 1958 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,643 INFO L262 CegarLoopResult]: For program point L901(lines 901 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,643 INFO L262 CegarLoopResult]: For program point L109(lines 109 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,643 INFO L262 CegarLoopResult]: For program point L4602(lines 4602 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,643 INFO L262 CegarLoopResult]: For program point L1431(lines 1431 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,643 INFO L262 CegarLoopResult]: For program point L3281(lines 3281 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,644 INFO L262 CegarLoopResult]: For program point L4074(lines 4074 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,644 INFO L262 CegarLoopResult]: For program point L1696(lines 1696 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,644 INFO L262 CegarLoopResult]: For program point L2753(lines 2753 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,644 INFO L262 CegarLoopResult]: For program point L3811(lines 3811 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,644 INFO L262 CegarLoopResult]: For program point L641(lines 641 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,644 INFO L262 CegarLoopResult]: For program point L3548(lines 3548 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,644 INFO L262 CegarLoopResult]: For program point L377(lines 377 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,644 INFO L262 CegarLoopResult]: For program point L1170(lines 1170 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,644 INFO L262 CegarLoopResult]: For program point L3020(lines 3020 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,644 INFO L262 CegarLoopResult]: For program point L2492(lines 2492 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,644 INFO L262 CegarLoopResult]: For program point L3285(lines 3285 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,644 INFO L262 CegarLoopResult]: For program point L907(lines 907 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,644 INFO L262 CegarLoopResult]: For program point L4607(lines 4607 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,644 INFO L262 CegarLoopResult]: For program point L2229(lines 2229 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,644 INFO L262 CegarLoopResult]: For program point L115(lines 115 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,644 INFO L262 CegarLoopResult]: For program point L1965(lines 1965 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,644 INFO L262 CegarLoopResult]: For program point L4344(lines 4344 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,644 INFO L262 CegarLoopResult]: For program point L3816(lines 3816 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,644 INFO L262 CegarLoopResult]: For program point L645(lines 645 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,644 INFO L262 CegarLoopResult]: For program point L1438(lines 1438 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,644 INFO L258 CegarLoopResult]: At program point L4081(lines 2722 4082) the Hoare annotation is: (let ((.cse14 (< ~a28~0 17)) (.cse16 (<= ~a28~0 16)) (.cse13 (<= ~a26~0 17)) (.cse0 (<= ~a4~0 17)) (.cse7 (<= ~a28~0 15)) (.cse2 (<= ~a7~0 0)) (.cse10 (<= 17 ~a4~0)) (.cse1 (<= ~a14~0 19)) (.cse4 (= ~a7~0 1)) (.cse5 (<= ~a26~0 18)) (.cse3 (= ~a3~0 1)) (.cse8 (<= 19 ~a26~0)) (.cse9 (<= ~a14~0 18)) (.cse11 (= ~a14~0 20)) (.cse12 (<= 17 ~a28~0)) (.cse15 (<= ~a4~0 16)) (.cse6 (<= ~a3~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse4 .cse5 .cse6) (and .cse0 .cse7 .cse8 .cse9 .cse10 .cse6) (and .cse11 .cse12 .cse8 .cse2 .cse3) (and .cse11 .cse13 .cse2 .cse10 .cse3) (and .cse0 .cse11 .cse7 .cse8 .cse6) (and .cse14 .cse1 .cse4 .cse6) (and .cse2 .cse9 .cse6) (and .cse1 .cse12 .cse2 .cse15 .cse6) (and .cse14 .cse11 .cse8 .cse2 .cse10 .cse6) (and .cse0 .cse11 .cse2 .cse10 .cse3) (and .cse11 .cse7 .cse8 .cse3) (and .cse2 .cse9 .cse3) (and .cse4 .cse7 .cse13 .cse10 .cse3) (and .cse14 .cse11 .cse4 .cse10 .cse6) (and .cse1 .cse8 .cse2 .cse3) (and .cse0 .cse16 .cse9 .cse3) (and .cse1 .cse4 .cse7 .cse3) (and .cse1 .cse15 .cse3) (and .cse16 .cse11 .cse13 .cse15 .cse3) (and .cse14 .cse1 .cse2 .cse10 .cse6) (and .cse1 .cse7 .cse13 .cse2 .cse3) (and .cse16 .cse11 .cse4 .cse3) (and .cse0 .cse1 .cse2 .cse10 .cse6) (and .cse1 .cse12 .cse2 .cse3) (and .cse0 .cse11 .cse13 .cse2 .cse6) (and .cse1 .cse12 .cse8 .cse3) (and .cse4 .cse9 .cse3) (and .cse0 .cse11 .cse4 .cse10 .cse5 .cse3) (and .cse0 .cse11 .cse4 .cse8 .cse10 .cse6) (and .cse11 .cse7 .cse15 .cse3) (and .cse1 .cse7 .cse2 .cse6) (and .cse11 .cse7 .cse2 .cse6) (and .cse11 .cse12 .cse2 .cse10 .cse3) (and .cse11 .cse4 .cse15 .cse5 .cse6) (and .cse1 .cse4 .cse5 .cse3) (and .cse8 .cse12 .cse9 .cse6) (and .cse11 .cse12 .cse15 .cse6))) [2020-12-09 16:30:46,645 INFO L262 CegarLoopResult]: For program point L2760(lines 2760 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,645 INFO L262 CegarLoopResult]: For program point L382(lines 382 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,645 INFO L262 CegarLoopResult]: For program point L1704(lines 1704 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,645 INFO L262 CegarLoopResult]: For program point L3554(lines 3554 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,645 INFO L262 CegarLoopResult]: For program point L1176(lines 1176 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,645 INFO L262 CegarLoopResult]: For program point L2498(lines 2498 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,645 INFO L262 CegarLoopResult]: For program point L4612(lines 4612 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,645 INFO L262 CegarLoopResult]: For program point L3291(lines 3291 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,645 INFO L262 CegarLoopResult]: For program point L3027(lines 3027 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,645 INFO L262 CegarLoopResult]: For program point L649(lines 649 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,645 INFO L262 CegarLoopResult]: For program point L2235(lines 2235 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,645 INFO L262 CegarLoopResult]: For program point L4085(lines 4085 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,645 INFO L262 CegarLoopResult]: For program point L1971(lines 1971 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,645 INFO L262 CegarLoopResult]: For program point L914(lines 914 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,645 INFO L262 CegarLoopResult]: For program point L122(lines 122 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,645 INFO L262 CegarLoopResult]: For program point L3822(lines 3822 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,645 INFO L262 CegarLoopResult]: For program point L1444(lines 1444 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,645 INFO L262 CegarLoopResult]: For program point L387(lines 387 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,645 INFO L262 CegarLoopResult]: For program point L4351(lines 4351 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,645 INFO L262 CegarLoopResult]: For program point L2766(lines 2766 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,645 INFO L262 CegarLoopResult]: For program point L3031(lines 3031 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,645 INFO L262 CegarLoopResult]: For program point L1710(lines 1710 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,645 INFO L262 CegarLoopResult]: For program point L2503(lines 2503 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,645 INFO L262 CegarLoopResult]: For program point L3561(lines 3561 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,645 INFO L262 CegarLoopResult]: For program point L2240(lines 2240 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,645 INFO L262 CegarLoopResult]: For program point L126(lines 126 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,645 INFO L262 CegarLoopResult]: For program point L4090(lines 4090 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,646 INFO L262 CegarLoopResult]: For program point L919(lines 919 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,646 INFO L262 CegarLoopResult]: For program point L655(lines 655 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,646 INFO L262 CegarLoopResult]: For program point L3298(lines 3298 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,646 INFO L262 CegarLoopResult]: For program point L1184(lines 1184 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,646 INFO L262 CegarLoopResult]: For program point L2770(lines 2770 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,646 INFO L262 CegarLoopResult]: For program point L4620(lines 4620 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,646 INFO L262 CegarLoopResult]: For program point L1450(lines 1450 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,646 INFO L262 CegarLoopResult]: For program point L393(lines 393 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,646 INFO L262 CegarLoopResult]: For program point L4357(lines 4357 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,646 INFO L262 CegarLoopResult]: For program point L1979(lines 1979 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,646 INFO L262 CegarLoopResult]: For program point L1715(lines 1715 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,646 INFO L262 CegarLoopResult]: For program point L3830(lines 3830 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,646 INFO L262 CegarLoopResult]: For program point L3566(lines 3566 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,646 INFO L262 CegarLoopResult]: For program point L2245(lines 2245 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,646 INFO L262 CegarLoopResult]: For program point L131(lines 131 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,646 INFO L262 CegarLoopResult]: For program point L3038(lines 3038 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,646 INFO L262 CegarLoopResult]: For program point L2510(lines 2510 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,646 INFO L262 CegarLoopResult]: For program point L4096(lines 4096 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,646 INFO L262 CegarLoopResult]: For program point L2775(lines 2775 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,646 INFO L262 CegarLoopResult]: For program point L3304(lines 3304 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,646 INFO L262 CegarLoopResult]: For program point L1983(lines 1983 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,646 INFO L262 CegarLoopResult]: For program point L926(lines 926 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,646 INFO L262 CegarLoopResult]: For program point L662(lines 662 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,646 INFO L262 CegarLoopResult]: For program point L1455(lines 1455 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,646 INFO L262 CegarLoopResult]: For program point L398(lines 398 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,646 INFO L262 CegarLoopResult]: For program point L4362(lines 4362 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,646 INFO L262 CegarLoopResult]: For program point L1191(lines 1191 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,646 INFO L262 CegarLoopResult]: For program point L1720(lines 1720 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,646 INFO L262 CegarLoopResult]: For program point L4627(lines 4627 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,646 INFO L262 CegarLoopResult]: For program point L2249(lines 2249 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,647 INFO L262 CegarLoopResult]: For program point L3837(lines 3837 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,647 INFO L262 CegarLoopResult]: For program point L3573(lines 3573 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,647 INFO L262 CegarLoopResult]: For program point L4366(lines 4366 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,647 INFO L262 CegarLoopResult]: For program point L3309(lines 3309 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,647 INFO L262 CegarLoopResult]: For program point L138(lines 138 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,647 INFO L262 CegarLoopResult]: For program point L3045(lines 3045 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,647 INFO L262 CegarLoopResult]: For program point L1460(lines 1460 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,647 INFO L262 CegarLoopResult]: For program point L2517(lines 2517 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,647 INFO L262 CegarLoopResult]: For program point L403(lines 403 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,647 INFO L262 CegarLoopResult]: For program point L1196(lines 1196 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,647 INFO L262 CegarLoopResult]: For program point L2782(lines 2782 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,647 INFO L262 CegarLoopResult]: For program point L4104(lines 4104 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,647 INFO L262 CegarLoopResult]: For program point L1990(lines 1990 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,647 INFO L262 CegarLoopResult]: For program point L934(lines 934 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,647 INFO L262 CegarLoopResult]: For program point L1727(lines 1727 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,647 INFO L262 CegarLoopResult]: For program point L670(lines 670 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,647 INFO L262 CegarLoopResult]: For program point L2256(lines 2256 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,647 INFO L262 CegarLoopResult]: For program point L3050(lines 3050 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,647 INFO L262 CegarLoopResult]: For program point L1465(lines 1465 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,647 INFO L262 CegarLoopResult]: For program point L3315(lines 3315 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,647 INFO L262 CegarLoopResult]: For program point L4372(lines 4372 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,647 INFO L262 CegarLoopResult]: For program point L1201(lines 1201 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,647 INFO L262 CegarLoopResult]: For program point L3844(lines 3844 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,647 INFO L262 CegarLoopResult]: For program point L3580(lines 3580 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,647 INFO L262 CegarLoopResult]: For program point L146(lines 146 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,647 INFO L262 CegarLoopResult]: For program point L2789(lines 2789 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,647 INFO L262 CegarLoopResult]: For program point L2525(lines 2525 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,647 INFO L262 CegarLoopResult]: For program point L411(lines 411 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,647 INFO L262 CegarLoopResult]: For program point L4111(lines 4111 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,647 INFO L262 CegarLoopResult]: For program point L1997(lines 1997 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,648 INFO L262 CegarLoopResult]: For program point L676(lines 676 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,648 INFO L262 CegarLoopResult]: For program point L2262(lines 2262 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,648 INFO L262 CegarLoopResult]: For program point L941(lines 941 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,648 INFO L262 CegarLoopResult]: For program point L1734(lines 1734 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,648 INFO L262 CegarLoopResult]: For program point L3584(lines 3584 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,648 INFO L262 CegarLoopResult]: For program point L3320(lines 3320 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,648 INFO L262 CegarLoopResult]: For program point L1471(lines 1471 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,648 INFO L262 CegarLoopResult]: For program point L4378(lines 4378 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,648 INFO L262 CegarLoopResult]: For program point L1207(lines 1207 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,648 INFO L262 CegarLoopResult]: For program point L3057(lines 3057 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,648 INFO L262 CegarLoopResult]: For program point L3850(lines 3850 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,648 INFO L262 CegarLoopResult]: For program point L151(lines 151 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,648 INFO L262 CegarLoopResult]: For program point L2794(lines 2794 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,648 INFO L262 CegarLoopResult]: For program point L416(lines 416 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,648 INFO L262 CegarLoopResult]: For program point L4116(lines 4116 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,648 INFO L262 CegarLoopResult]: For program point L2531(lines 2531 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,648 INFO L262 CegarLoopResult]: For program point L946(lines 946 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,648 INFO L262 CegarLoopResult]: For program point L682(lines 682 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,648 INFO L262 CegarLoopResult]: For program point L2004(lines 2004 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,648 INFO L262 CegarLoopResult]: For program point L3590(lines 3590 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,648 INFO L262 CegarLoopResult]: For program point L2269(lines 2269 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,648 INFO L262 CegarLoopResult]: For program point L3062(lines 3062 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,648 INFO L262 CegarLoopResult]: For program point L1477(lines 1477 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,648 INFO L262 CegarLoopResult]: For program point L3327(lines 3327 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,648 INFO L262 CegarLoopResult]: For program point L4384(lines 4384 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,648 INFO L262 CegarLoopResult]: For program point L1213(lines 1213 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,648 INFO L262 CegarLoopResult]: For program point L3856(lines 3856 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,648 INFO L262 CegarLoopResult]: For program point L1742(lines 1742 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,648 INFO L262 CegarLoopResult]: For program point L157(lines 157 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,649 INFO L262 CegarLoopResult]: For program point L422(lines 422 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,649 INFO L262 CegarLoopResult]: For program point L4122(lines 4122 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,649 INFO L262 CegarLoopResult]: For program point L2801(lines 2801 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,649 INFO L262 CegarLoopResult]: For program point L2273(lines 2273 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,649 INFO L262 CegarLoopResult]: For program point L2009(lines 2009 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,649 INFO L262 CegarLoopResult]: For program point L952(lines 952 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,649 INFO L262 CegarLoopResult]: For program point L1481(lines 1481 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,649 INFO L262 CegarLoopResult]: For program point L689(lines 689 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,649 INFO L262 CegarLoopResult]: For program point L2539(lines 2539 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,649 INFO L262 CegarLoopResult]: For program point L1218(lines 1218 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,649 INFO L262 CegarLoopResult]: For program point L161(lines 161 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,649 INFO L262 CegarLoopResult]: For program point L3068(lines 3068 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,649 INFO L262 CegarLoopResult]: For program point L3862(lines 3862 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,649 INFO L262 CegarLoopResult]: For program point L1748(lines 1748 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,649 INFO L262 CegarLoopResult]: For program point L3598(lines 3598 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,649 INFO L262 CegarLoopResult]: For program point L1484(lines 1484 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,649 INFO L262 CegarLoopResult]: For program point L3334(lines 3334 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,649 INFO L262 CegarLoopResult]: For program point L2806(lines 2806 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,649 INFO L262 CegarLoopResult]: For program point L2278(lines 2278 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,649 INFO L262 CegarLoopResult]: For program point L4392(lines 4392 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,649 INFO L262 CegarLoopResult]: For program point L4128(lines 4128 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,649 INFO L262 CegarLoopResult]: For program point L429(lines 429 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,649 INFO L262 CegarLoopResult]: For program point L165(lines 165 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,649 INFO L262 CegarLoopResult]: For program point L694(lines 694 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,649 INFO L262 CegarLoopResult]: For program point L2016(lines 2016 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,649 INFO L262 CegarLoopResult]: For program point L2545(lines 2545 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,649 INFO L262 CegarLoopResult]: For program point L1224(lines 1224 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,649 INFO L262 CegarLoopResult]: For program point L960(lines 960 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,649 INFO L262 CegarLoopResult]: For program point L3867(lines 3867 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,649 INFO L262 CegarLoopResult]: For program point L3603(lines 3603 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,650 INFO L262 CegarLoopResult]: For program point L3075(lines 3075 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,650 INFO L262 CegarLoopResult]: For program point L2811(lines 2811 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,650 INFO L262 CegarLoopResult]: For program point L3340(lines 3340 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,650 INFO L262 CegarLoopResult]: For program point L4397(lines 4397 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,650 INFO L262 CegarLoopResult]: For program point L1755(lines 1755 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,650 INFO L262 CegarLoopResult]: For program point L1491(lines 1491 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,650 INFO L262 CegarLoopResult]: For program point L434(lines 434 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,650 INFO L262 CegarLoopResult]: For program point L170(lines 170 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,650 INFO L262 CegarLoopResult]: For program point L4135(lines 4135 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,650 INFO L262 CegarLoopResult]: For program point L2286(lines 2286 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,650 INFO L262 CegarLoopResult]: For program point L2022(lines 2022 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,650 INFO L262 CegarLoopResult]: For program point L701(lines 701 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,650 INFO L262 CegarLoopResult]: For program point L2551(lines 2551 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,650 INFO L262 CegarLoopResult]: For program point L966(lines 966 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,650 INFO L262 CegarLoopResult]: For program point L1231(lines 1231 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,650 INFO L262 CegarLoopResult]: For program point L3081(lines 3081 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,650 INFO L262 CegarLoopResult]: For program point L3874(lines 3874 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,650 INFO L262 CegarLoopResult]: For program point L3610(lines 3610 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,650 INFO L262 CegarLoopResult]: For program point L1496(lines 1496 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,650 INFO L262 CegarLoopResult]: For program point L2818(lines 2818 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,650 INFO L262 CegarLoopResult]: For program point L1761(lines 1761 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,650 INFO L262 CegarLoopResult]: For program point L440(lines 440 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,650 INFO L262 CegarLoopResult]: For program point L3347(lines 3347 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,650 INFO L262 CegarLoopResult]: For program point L4404(lines 4404 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,650 INFO L262 CegarLoopResult]: For program point L176(lines 176 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,650 INFO L262 CegarLoopResult]: For program point L2291(lines 2291 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,650 INFO L262 CegarLoopResult]: For program point L4141(lines 4141 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,650 INFO L262 CegarLoopResult]: For program point L3085(lines 3085 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,650 INFO L262 CegarLoopResult]: For program point L2029(lines 2029 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,650 INFO L262 CegarLoopResult]: For program point L3879(lines 3879 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,651 INFO L262 CegarLoopResult]: For program point L708(lines 708 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,651 INFO L262 CegarLoopResult]: For program point L2558(lines 2558 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,651 INFO L262 CegarLoopResult]: For program point L4408(lines 4408 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,651 INFO L262 CegarLoopResult]: For program point L1237(lines 1237 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,651 INFO L262 CegarLoopResult]: For program point L973(lines 973 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,651 INFO L262 CegarLoopResult]: For program point L3617(lines 3617 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,651 INFO L262 CegarLoopResult]: For program point L1503(lines 1503 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,651 INFO L262 CegarLoopResult]: For program point L446(lines 446 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,651 INFO L262 CegarLoopResult]: For program point L2825(lines 2825 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,651 INFO L262 CegarLoopResult]: For program point L3354(lines 3354 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,651 INFO L262 CegarLoopResult]: For program point L183(lines 183 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,651 INFO L262 CegarLoopResult]: For program point L2033(lines 2033 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,651 INFO L262 CegarLoopResult]: For program point L1769(lines 1769 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,651 INFO L262 CegarLoopResult]: For program point L2298(lines 2298 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,651 INFO L262 CegarLoopResult]: For program point L4148(lines 4148 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,651 INFO L262 CegarLoopResult]: For program point L3091(lines 3091 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,651 INFO L262 CegarLoopResult]: For program point L1242(lines 1242 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,651 INFO L262 CegarLoopResult]: For program point L978(lines 978 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,651 INFO L262 CegarLoopResult]: For program point L714(lines 714 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,651 INFO L262 CegarLoopResult]: For program point L2564(lines 2564 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,651 INFO L262 CegarLoopResult]: For program point L450(lines 450 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,651 INFO L262 CegarLoopResult]: For program point L3886(lines 3886 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,651 INFO L262 CegarLoopResult]: For program point L3622(lines 3622 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,651 INFO L262 CegarLoopResult]: For program point L4415(lines 4415 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,651 INFO L262 CegarLoopResult]: For program point L3359(lines 3359 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,651 INFO L262 CegarLoopResult]: For program point L1510(lines 1510 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,651 INFO L262 CegarLoopResult]: For program point L1246(lines 1246 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,651 INFO L262 CegarLoopResult]: For program point L2303(lines 2303 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,651 INFO L262 CegarLoopResult]: For program point L189(lines 189 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,652 INFO L262 CegarLoopResult]: For program point L2039(lines 2039 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,652 INFO L262 CegarLoopResult]: For program point L2832(lines 2832 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,652 INFO L262 CegarLoopResult]: For program point L454(lines 454 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,652 INFO L262 CegarLoopResult]: For program point L3097(lines 3097 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,652 INFO L262 CegarLoopResult]: For program point L1776(lines 1776 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,652 INFO L262 CegarLoopResult]: For program point L4155(lines 4155 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,652 INFO L262 CegarLoopResult]: For program point L457(lines 457 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,652 INFO L262 CegarLoopResult]: For program point L986(lines 986 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,652 INFO L262 CegarLoopResult]: For program point L3893(lines 3893 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,652 INFO L262 CegarLoopResult]: For program point L722(lines 722 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,652 INFO L262 CegarLoopResult]: For program point L2572(lines 2572 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,652 INFO L262 CegarLoopResult]: For program point L3629(lines 3629 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,652 INFO L262 CegarLoopResult]: For program point L3365(lines 3365 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,652 INFO L262 CegarLoopResult]: For program point L1516(lines 1516 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,652 INFO L262 CegarLoopResult]: For program point L4423(lines 4423 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,652 INFO L262 CegarLoopResult]: For program point L1252(lines 1252 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,652 INFO L262 CegarLoopResult]: For program point L2309(lines 2309 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,652 INFO L262 CegarLoopResult]: For program point L195(lines 195 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,652 INFO L262 CegarLoopResult]: For program point L3102(lines 3102 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,652 INFO L262 CegarLoopResult]: For program point L2045(lines 2045 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,652 INFO L262 CegarLoopResult]: For program point L1781(lines 1781 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,652 INFO L262 CegarLoopResult]: For program point L2574(lines 2574 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,652 INFO L262 CegarLoopResult]: For program point L2839(lines 2839 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,652 INFO L262 CegarLoopResult]: For program point L3897(lines 3897 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,652 INFO L262 CegarLoopResult]: For program point L4162(lines 4162 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,652 INFO L262 CegarLoopResult]: For program point L3370(lines 3370 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,652 INFO L262 CegarLoopResult]: For program point L992(lines 992 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,652 INFO L262 CegarLoopResult]: For program point L464(lines 464 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,652 INFO L262 CegarLoopResult]: For program point L2314(lines 2314 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,653 INFO L262 CegarLoopResult]: For program point L4428(lines 4428 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,653 INFO L262 CegarLoopResult]: For program point L3900(lines 3900 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,653 INFO L262 CegarLoopResult]: For program point L1786(lines 1786 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,653 INFO L262 CegarLoopResult]: For program point L729(lines 729 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,653 INFO L262 CegarLoopResult]: For program point L3636(lines 3636 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,653 INFO L262 CegarLoopResult]: For program point L1522(lines 1522 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,653 INFO L262 CegarLoopResult]: For program point L2051(lines 2051 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,653 INFO L262 CegarLoopResult]: For program point L2844(lines 2844 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,653 INFO L262 CegarLoopResult]: For program point L1259(lines 1259 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,653 INFO L262 CegarLoopResult]: For program point L202(lines 202 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,653 INFO L262 CegarLoopResult]: For program point L2581(lines 2581 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,653 INFO L262 CegarLoopResult]: For program point L3110(lines 3110 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,653 INFO L262 CegarLoopResult]: For program point L4168(lines 4168 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,653 INFO L262 CegarLoopResult]: For program point L998(lines 998 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,653 INFO L262 CegarLoopResult]: For program point L734(lines 734 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,653 INFO L262 CegarLoopResult]: For program point L3641(lines 3641 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,653 INFO L262 CegarLoopResult]: For program point L1527(lines 1527 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,653 INFO L262 CegarLoopResult]: For program point L4434(lines 4434 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,653 INFO L262 CegarLoopResult]: For program point L2320(lines 2320 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,653 INFO L262 CegarLoopResult]: For program point L3377(lines 3377 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,653 INFO L262 CegarLoopResult]: For program point L3906(lines 3906 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,653 INFO L262 CegarLoopResult]: For program point L471(lines 471 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,653 INFO L262 CegarLoopResult]: For program point L2057(lines 2057 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,653 INFO L262 CegarLoopResult]: For program point L2850(lines 2850 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,653 INFO L262 CegarLoopResult]: For program point L1793(lines 1793 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,653 INFO L262 CegarLoopResult]: For program point L1265(lines 1265 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,653 INFO L262 CegarLoopResult]: For program point L208(lines 208 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,653 INFO L262 CegarLoopResult]: For program point L738(lines 738 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,653 INFO L262 CegarLoopResult]: For program point L2588(lines 2588 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,653 INFO L262 CegarLoopResult]: For program point L4438(lines 4438 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,654 INFO L262 CegarLoopResult]: For program point L4174(lines 4174 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,654 INFO L262 CegarLoopResult]: For program point L3117(lines 3117 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,654 INFO L262 CegarLoopResult]: For program point L3646(lines 3646 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,654 INFO L262 CegarLoopResult]: For program point L1005(lines 1005 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,654 INFO L262 CegarLoopResult]: For program point L1534(lines 1534 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,654 INFO L262 CegarLoopResult]: For program point L477(lines 477 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,654 INFO L262 CegarLoopResult]: For program point L3384(lines 3384 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,654 INFO L262 CegarLoopResult]: For program point L2327(lines 2327 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,654 INFO L262 CegarLoopResult]: For program point L2856(lines 2856 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,654 INFO L262 CegarLoopResult]: For program point L3913(lines 3913 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,654 INFO L262 CegarLoopResult]: For program point L1271(lines 1271 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,654 INFO L262 CegarLoopResult]: For program point L214(lines 214 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,654 INFO L262 CegarLoopResult]: For program point L1800(lines 1800 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,654 INFO L262 CegarLoopResult]: For program point L2593(lines 2593 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,654 INFO L262 CegarLoopResult]: For program point L4443(lines 4443 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,654 INFO L262 CegarLoopResult]: For program point L2065(lines 2065 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,654 INFO L262 CegarLoopResult]: For program point L744(lines 744 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,654 INFO L262 CegarLoopResult]: For program point L3651(lines 3651 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,654 INFO L262 CegarLoopResult]: For program point L4180(lines 4180 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,654 INFO L262 CegarLoopResult]: For program point L3916(lines 3916 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,654 INFO L262 CegarLoopResult]: For program point L3124(lines 3124 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,654 INFO L262 CegarLoopResult]: For program point L482(lines 482 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,654 INFO L262 CegarLoopResult]: For program point L1011(lines 1011 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,654 INFO L262 CegarLoopResult]: For program point L1540(lines 1540 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,654 INFO L262 CegarLoopResult]: For program point L1276(lines 1276 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,654 INFO L262 CegarLoopResult]: For program point L2862(lines 2862 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,654 INFO L262 CegarLoopResult]: For program point L2334(lines 2334 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,654 INFO L262 CegarLoopResult]: For program point L3391(lines 3391 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,654 INFO L262 CegarLoopResult]: For program point L4448(lines 4448 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,655 INFO L262 CegarLoopResult]: For program point L220(lines 220 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,655 INFO L262 CegarLoopResult]: For program point L4184(lines 4184 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,655 INFO L262 CegarLoopResult]: For program point L2599(lines 2599 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,655 INFO L262 CegarLoopResult]: For program point L1807(lines 1807 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,655 INFO L262 CegarLoopResult]: For program point L750(lines 750 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,655 INFO L262 CegarLoopResult]: For program point L2072(lines 2072 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,655 INFO L262 CegarLoopResult]: For program point L3129(lines 3129 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,655 INFO L262 CegarLoopResult]: For program point L3922(lines 3922 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,655 INFO L262 CegarLoopResult]: For program point L3658(lines 3658 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,655 INFO L262 CegarLoopResult]: For program point L488(lines 488 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,655 INFO L262 CegarLoopResult]: For program point L1546(lines 1546 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,655 INFO L262 CegarLoopResult]: For program point L3396(lines 3396 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,655 INFO L262 CegarLoopResult]: For program point L4453(lines 4453 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,655 INFO L262 CegarLoopResult]: For program point L1282(lines 1282 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,655 INFO L262 CegarLoopResult]: For program point L1018(lines 1018 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,655 INFO L262 CegarLoopResult]: For program point L2868(lines 2868 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,655 INFO L262 CegarLoopResult]: For program point L2340(lines 2340 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,655 INFO L262 CegarLoopResult]: For program point L1812(lines 1812 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,655 INFO L262 CegarLoopResult]: For program point L227(lines 227 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,655 INFO L262 CegarLoopResult]: For program point L4191(lines 4191 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,655 INFO L262 CegarLoopResult]: For program point L756(lines 756 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,655 INFO L262 CegarLoopResult]: For program point L2078(lines 2078 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,655 INFO L262 CegarLoopResult]: For program point L3135(lines 3135 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,655 INFO L262 CegarLoopResult]: For program point L2607(lines 2607 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,655 INFO L262 CegarLoopResult]: For program point L3929(lines 3929 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,655 INFO L262 CegarLoopResult]: For program point L3665(lines 3665 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,655 INFO L262 CegarLoopResult]: For program point L1551(lines 1551 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,655 INFO L262 CegarLoopResult]: For program point L4458(lines 4458 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,655 INFO L262 CegarLoopResult]: For program point L1287(lines 1287 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,655 INFO L262 CegarLoopResult]: For program point L1023(lines 1023 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,656 INFO L262 CegarLoopResult]: For program point L495(lines 495 1382) no Hoare annotation was computed. [2020-12-09 16:30:46,656 INFO L262 CegarLoopResult]: For program point L2346(lines 2346 2719) no Hoare annotation was computed. [2020-12-09 16:30:46,656 INFO L262 CegarLoopResult]: For program point L3403(lines 3403 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,656 INFO L262 CegarLoopResult]: For program point L4196(lines 4196 4633) no Hoare annotation was computed. [2020-12-09 16:30:46,656 INFO L262 CegarLoopResult]: For program point L2875(lines 2875 4081) no Hoare annotation was computed. [2020-12-09 16:30:46,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 04:30:46 BoogieIcfgContainer [2020-12-09 16:30:46,689 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 16:30:46,689 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 16:30:46,689 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 16:30:46,689 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 16:30:46,690 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:25:54" (3/4) ... [2020-12-09 16:30:46,692 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 16:30:46,738 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 105 nodes and edges [2020-12-09 16:30:46,746 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2020-12-09 16:30:46,755 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-12-09 16:30:46,763 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-12-09 16:30:47,037 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_614359a4-48a2-416a-91de-8bb70cb9ff1f/bin/utaipan/witness.graphml [2020-12-09 16:30:47,037 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 16:30:47,038 INFO L168 Benchmark]: Toolchain (without parser) took 297892.13 ms. Allocated memory was 83.9 MB in the beginning and 6.6 GB in the end (delta: 6.5 GB). Free memory was 37.3 MB in the beginning and 3.1 GB in the end (delta: -3.0 GB). Peak memory consumption was 3.5 GB. Max. memory is 16.1 GB. [2020-12-09 16:30:47,038 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 83.9 MB. Free memory is still 43.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 16:30:47,038 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1408.02 ms. Allocated memory was 83.9 MB in the beginning and 142.6 MB in the end (delta: 58.7 MB). Free memory was 37.0 MB in the beginning and 65.8 MB in the end (delta: -28.8 MB). Peak memory consumption was 53.7 MB. Max. memory is 16.1 GB. [2020-12-09 16:30:47,038 INFO L168 Benchmark]: Boogie Procedure Inliner took 209.03 ms. Allocated memory was 142.6 MB in the beginning and 174.1 MB in the end (delta: 31.5 MB). Free memory was 65.8 MB in the beginning and 92.6 MB in the end (delta: -26.8 MB). Peak memory consumption was 27.5 MB. Max. memory is 16.1 GB. [2020-12-09 16:30:47,039 INFO L168 Benchmark]: Boogie Preprocessor took 176.92 ms. Allocated memory is still 174.1 MB. Free memory was 92.6 MB in the beginning and 88.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 52.5 MB. Max. memory is 16.1 GB. [2020-12-09 16:30:47,039 INFO L168 Benchmark]: RCFGBuilder took 3420.03 ms. Allocated memory was 174.1 MB in the beginning and 302.0 MB in the end (delta: 127.9 MB). Free memory was 88.9 MB in the beginning and 100.0 MB in the end (delta: -11.1 MB). Peak memory consumption was 153.8 MB. Max. memory is 16.1 GB. [2020-12-09 16:30:47,039 INFO L168 Benchmark]: TraceAbstraction took 292325.21 ms. Allocated memory was 302.0 MB in the beginning and 6.6 GB in the end (delta: 6.3 GB). Free memory was 100.0 MB in the beginning and 3.2 GB in the end (delta: -3.1 GB). Peak memory consumption was 5.2 GB. Max. memory is 16.1 GB. [2020-12-09 16:30:47,039 INFO L168 Benchmark]: Witness Printer took 348.15 ms. Allocated memory is still 6.6 GB. Free memory was 3.2 GB in the beginning and 3.1 GB in the end (delta: 116.4 MB). Peak memory consumption was 115.3 MB. Max. memory is 16.1 GB. [2020-12-09 16:30:47,041 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 83.9 MB. Free memory is still 43.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1408.02 ms. Allocated memory was 83.9 MB in the beginning and 142.6 MB in the end (delta: 58.7 MB). Free memory was 37.0 MB in the beginning and 65.8 MB in the end (delta: -28.8 MB). Peak memory consumption was 53.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 209.03 ms. Allocated memory was 142.6 MB in the beginning and 174.1 MB in the end (delta: 31.5 MB). Free memory was 65.8 MB in the beginning and 92.6 MB in the end (delta: -26.8 MB). Peak memory consumption was 27.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 176.92 ms. Allocated memory is still 174.1 MB. Free memory was 92.6 MB in the beginning and 88.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 52.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3420.03 ms. Allocated memory was 174.1 MB in the beginning and 302.0 MB in the end (delta: 127.9 MB). Free memory was 88.9 MB in the beginning and 100.0 MB in the end (delta: -11.1 MB). Peak memory consumption was 153.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 292325.21 ms. Allocated memory was 302.0 MB in the beginning and 6.6 GB in the end (delta: 6.3 GB). Free memory was 100.0 MB in the beginning and 3.2 GB in the end (delta: -3.1 GB). Peak memory consumption was 5.2 GB. Max. memory is 16.1 GB. * Witness Printer took 348.15 ms. Allocated memory is still 6.6 GB. Free memory was 3.2 GB in the beginning and 3.1 GB in the end (delta: 116.4 MB). Peak memory consumption was 115.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4740]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 4826]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((a28 < 17 && a4 <= 17) && a14 <= 19) && a14 <= 18) && a3 == 1) || (((a14 <= 19 && a7 == 1) && a26 <= 18) && a3 <= 0)) || (((((a4 <= 17 && a28 <= 15) && 19 <= a26) && a14 <= 18) && 17 <= a4) && a3 <= 0)) || ((((a14 == 20 && 17 <= a28) && 19 <= a26) && a7 <= 0) && a3 == 1)) || ((((a14 == 20 && a26 <= 17) && a7 <= 0) && 17 <= a4) && a3 == 1)) || ((((a4 <= 17 && a14 == 20) && a28 <= 15) && 19 <= a26) && a3 <= 0)) || (((a28 < 17 && a14 <= 19) && a7 == 1) && a3 <= 0)) || ((a7 <= 0 && a14 <= 18) && a3 <= 0)) || (((17 <= a28 && 19 <= a26) && a14 <= 18) && a3 <= 0)) || ((((a14 == 20 && a7 == 1) && a26 <= 18) && a4 <= 16) && a3 <= 0)) || ((((a14 <= 19 && 17 <= a28) && a7 <= 0) && a4 <= 16) && a3 <= 0)) || (((((a28 < 17 && a14 == 20) && 19 <= a26) && a7 <= 0) && 17 <= a4) && a3 <= 0)) || ((((a4 <= 17 && a14 == 20) && a7 <= 0) && 17 <= a4) && a3 == 1)) || (((a14 == 20 && a28 <= 15) && 19 <= a26) && a3 == 1)) || ((a7 <= 0 && a14 <= 18) && a3 == 1)) || ((((a7 == 1 && a28 <= 15) && a26 <= 17) && 17 <= a4) && a3 == 1)) || ((((a28 < 17 && a14 == 20) && a7 == 1) && 17 <= a4) && a3 <= 0)) || (((a14 <= 19 && 19 <= a26) && a7 <= 0) && a3 == 1)) || (((a14 <= 19 && a7 == 1) && a28 <= 15) && a3 == 1)) || ((a14 <= 19 && a4 <= 16) && a3 == 1)) || ((((a28 <= 16 && a14 == 20) && a26 <= 17) && a4 <= 16) && a3 == 1)) || ((((a28 < 17 && a14 <= 19) && a7 <= 0) && 17 <= a4) && a3 <= 0)) || ((((a14 <= 19 && a28 <= 15) && a26 <= 17) && a7 <= 0) && a3 == 1)) || (((a28 <= 16 && a14 == 20) && a7 == 1) && a3 == 1)) || ((((a4 <= 17 && a14 <= 19) && a7 <= 0) && 17 <= a4) && a3 <= 0)) || (((a14 <= 19 && 17 <= a28) && a7 <= 0) && a3 == 1)) || ((((a4 <= 17 && a14 == 20) && a26 <= 17) && a7 <= 0) && a3 <= 0)) || (((a14 <= 19 && 17 <= a28) && 19 <= a26) && a3 == 1)) || ((a7 == 1 && a14 <= 18) && a3 == 1)) || (((((a4 <= 17 && a14 == 20) && a7 == 1) && 17 <= a4) && a26 <= 18) && a3 == 1)) || (((((a4 <= 17 && a14 == 20) && a7 == 1) && 19 <= a26) && 17 <= a4) && a3 <= 0)) || (((a14 == 20 && a28 <= 15) && a4 <= 16) && a3 == 1)) || (((a14 <= 19 && a28 <= 15) && a7 <= 0) && a3 <= 0)) || (((a14 == 20 && a28 <= 15) && a7 <= 0) && a3 <= 0)) || ((((a14 == 20 && 17 <= a28) && a7 <= 0) && 17 <= a4) && a3 == 1)) || (((a14 <= 19 && a7 == 1) && a26 <= 18) && a3 == 1)) || (((a14 == 20 && 17 <= a28) && a4 <= 16) && a3 <= 0)) || ((((a28 < 17 && a4 <= 17) && a14 <= 19) && a7 <= 0) && a3 == 1) - InvariantResult [Line: 4820]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((a28 < 17 && a4 <= 17) && a14 <= 19) && a14 <= 18) && a3 == 1) || (((a14 <= 19 && a7 == 1) && a26 <= 18) && a3 <= 0)) || (((((a4 <= 17 && a28 <= 15) && 19 <= a26) && a14 <= 18) && 17 <= a4) && a3 <= 0)) || ((((a14 == 20 && 17 <= a28) && 19 <= a26) && a7 <= 0) && a3 == 1)) || ((((a14 == 20 && a26 <= 17) && a7 <= 0) && 17 <= a4) && a3 == 1)) || ((((a4 <= 17 && a14 == 20) && a28 <= 15) && 19 <= a26) && a3 <= 0)) || (((a28 < 17 && a14 <= 19) && a7 == 1) && a3 <= 0)) || ((a7 <= 0 && a14 <= 18) && a3 <= 0)) || (((17 <= a28 && 19 <= a26) && a14 <= 18) && a3 <= 0)) || ((((a14 == 20 && a7 == 1) && a26 <= 18) && a4 <= 16) && a3 <= 0)) || ((((a14 <= 19 && 17 <= a28) && a7 <= 0) && a4 <= 16) && a3 <= 0)) || (((((a28 < 17 && a14 == 20) && 19 <= a26) && a7 <= 0) && 17 <= a4) && a3 <= 0)) || ((((a4 <= 17 && a14 == 20) && a7 <= 0) && 17 <= a4) && a3 == 1)) || (((a14 == 20 && a28 <= 15) && 19 <= a26) && a3 == 1)) || ((a7 <= 0 && a14 <= 18) && a3 == 1)) || ((((a7 == 1 && a28 <= 15) && a26 <= 17) && 17 <= a4) && a3 == 1)) || ((((a28 < 17 && a14 == 20) && a7 == 1) && 17 <= a4) && a3 <= 0)) || (((a14 <= 19 && 19 <= a26) && a7 <= 0) && a3 == 1)) || (((a14 <= 19 && a7 == 1) && a28 <= 15) && a3 == 1)) || ((a14 <= 19 && a4 <= 16) && a3 == 1)) || ((((a28 <= 16 && a14 == 20) && a26 <= 17) && a4 <= 16) && a3 == 1)) || ((((a28 < 17 && a14 <= 19) && a7 <= 0) && 17 <= a4) && a3 <= 0)) || ((((a14 <= 19 && a28 <= 15) && a26 <= 17) && a7 <= 0) && a3 == 1)) || (((a28 <= 16 && a14 == 20) && a7 == 1) && a3 == 1)) || ((((a4 <= 17 && a14 <= 19) && a7 <= 0) && 17 <= a4) && a3 <= 0)) || (((a14 <= 19 && 17 <= a28) && a7 <= 0) && a3 == 1)) || ((((a4 <= 17 && a14 == 20) && a26 <= 17) && a7 <= 0) && a3 <= 0)) || (((a14 <= 19 && 17 <= a28) && 19 <= a26) && a3 == 1)) || ((a7 == 1 && a14 <= 18) && a3 == 1)) || (((((a4 <= 17 && a14 == 20) && a7 == 1) && 17 <= a4) && a26 <= 18) && a3 == 1)) || (((((a4 <= 17 && a14 == 20) && a7 == 1) && 19 <= a26) && 17 <= a4) && a3 <= 0)) || (((a14 == 20 && a28 <= 15) && a4 <= 16) && a3 == 1)) || (((a14 <= 19 && a28 <= 15) && a7 <= 0) && a3 <= 0)) || (((a14 == 20 && a28 <= 15) && a7 <= 0) && a3 <= 0)) || ((((a14 == 20 && 17 <= a28) && a7 <= 0) && 17 <= a4) && a3 == 1)) || (((a14 <= 19 && a7 == 1) && a26 <= 18) && a3 == 1)) || (((a14 == 20 && 17 <= a28) && a4 <= 16) && a3 <= 0)) || ((((a28 < 17 && a4 <= 17) && a14 <= 19) && a7 <= 0) && a3 == 1) - InvariantResult [Line: 1385]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((a4 <= 17 && a14 <= 19) && a7 <= 0) && a3 == 1) || (((a14 <= 19 && a7 == 1) && a26 <= 18) && a3 <= 0)) || (((a28 < 17 && a4 <= 17) && a14 <= 18) && a3 == 1)) || (((((a4 <= 17 && a28 <= 15) && 19 <= a26) && a14 <= 18) && 17 <= a4) && a3 <= 0)) || ((((a14 == 20 && 17 <= a28) && 19 <= a26) && a7 <= 0) && a3 == 1)) || ((((a14 == 20 && a26 <= 17) && a7 <= 0) && 17 <= a4) && a3 == 1)) || ((((a4 <= 17 && a14 == 20) && a28 <= 15) && 19 <= a26) && a3 <= 0)) || (((a28 < 17 && a14 <= 19) && a7 == 1) && a3 <= 0)) || ((a7 <= 0 && a14 <= 18) && a3 <= 0)) || (((17 <= a28 && 19 <= a26) && a14 <= 18) && a3 <= 0)) || ((((a14 <= 19 && 17 <= a28) && a7 <= 0) && a4 <= 16) && a3 <= 0)) || (((((a28 < 17 && a14 == 20) && 19 <= a26) && a7 <= 0) && 17 <= a4) && a3 <= 0)) || ((((a4 <= 17 && a14 == 20) && a7 <= 0) && 17 <= a4) && a3 == 1)) || (((a14 == 20 && a28 <= 15) && 19 <= a26) && a3 == 1)) || ((a7 <= 0 && a14 <= 18) && a3 == 1)) || ((((a7 == 1 && a28 <= 15) && a26 <= 17) && 17 <= a4) && a3 == 1)) || ((((a28 < 17 && a14 == 20) && a7 == 1) && 17 <= a4) && a3 <= 0)) || (((a14 <= 19 && 19 <= a26) && a7 <= 0) && a3 == 1)) || (((a14 <= 19 && a7 == 1) && a28 <= 15) && a3 == 1)) || ((a14 <= 19 && a4 <= 16) && a3 == 1)) || ((((a28 <= 16 && a14 == 20) && a26 <= 17) && a4 <= 16) && a3 == 1)) || ((((a28 < 17 && a14 <= 19) && a7 <= 0) && 17 <= a4) && a3 <= 0)) || ((((a14 <= 19 && a28 <= 15) && a26 <= 17) && a7 <= 0) && a3 == 1)) || (((a28 <= 16 && a14 == 20) && a7 == 1) && a3 == 1)) || ((((a4 <= 17 && a14 <= 19) && a7 <= 0) && 17 <= a4) && a3 <= 0)) || (((a14 <= 19 && 17 <= a28) && a7 <= 0) && a3 == 1)) || ((((a4 <= 17 && a14 == 20) && a26 <= 17) && a7 <= 0) && a3 <= 0)) || (((a14 <= 19 && 17 <= a28) && 19 <= a26) && a3 == 1)) || ((a7 == 1 && a14 <= 18) && a3 == 1)) || (((((a4 <= 17 && a14 == 20) && a7 == 1) && 17 <= a4) && a26 <= 18) && a3 == 1)) || (((((a4 <= 17 && a14 == 20) && a7 == 1) && 19 <= a26) && 17 <= a4) && a3 <= 0)) || (((a14 == 20 && a28 <= 15) && a4 <= 16) && a3 == 1)) || (((a14 <= 19 && a28 <= 15) && a7 <= 0) && a3 <= 0)) || (((a14 == 20 && a28 <= 15) && a7 <= 0) && a3 <= 0)) || ((((a14 == 20 && 17 <= a28) && a7 <= 0) && 17 <= a4) && a3 == 1)) || ((((a14 == 20 && a7 == 1) && a4 <= 16) && a26 <= 18) && a3 <= 0)) || (((a14 <= 19 && a7 == 1) && a26 <= 18) && a3 == 1)) || (((a14 == 20 && 17 <= a28) && a4 <= 16) && a3 <= 0) - InvariantResult [Line: 2722]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((a4 <= 17 && a14 <= 19) && a7 <= 0) && a3 == 1) || (((a14 <= 19 && a7 == 1) && a26 <= 18) && a3 <= 0)) || (((((a4 <= 17 && a28 <= 15) && 19 <= a26) && a14 <= 18) && 17 <= a4) && a3 <= 0)) || ((((a14 == 20 && 17 <= a28) && 19 <= a26) && a7 <= 0) && a3 == 1)) || ((((a14 == 20 && a26 <= 17) && a7 <= 0) && 17 <= a4) && a3 == 1)) || ((((a4 <= 17 && a14 == 20) && a28 <= 15) && 19 <= a26) && a3 <= 0)) || (((a28 < 17 && a14 <= 19) && a7 == 1) && a3 <= 0)) || ((a7 <= 0 && a14 <= 18) && a3 <= 0)) || ((((a14 <= 19 && 17 <= a28) && a7 <= 0) && a4 <= 16) && a3 <= 0)) || (((((a28 < 17 && a14 == 20) && 19 <= a26) && a7 <= 0) && 17 <= a4) && a3 <= 0)) || ((((a4 <= 17 && a14 == 20) && a7 <= 0) && 17 <= a4) && a3 == 1)) || (((a14 == 20 && a28 <= 15) && 19 <= a26) && a3 == 1)) || ((a7 <= 0 && a14 <= 18) && a3 == 1)) || ((((a7 == 1 && a28 <= 15) && a26 <= 17) && 17 <= a4) && a3 == 1)) || ((((a28 < 17 && a14 == 20) && a7 == 1) && 17 <= a4) && a3 <= 0)) || (((a14 <= 19 && 19 <= a26) && a7 <= 0) && a3 == 1)) || (((a4 <= 17 && a28 <= 16) && a14 <= 18) && a3 == 1)) || (((a14 <= 19 && a7 == 1) && a28 <= 15) && a3 == 1)) || ((a14 <= 19 && a4 <= 16) && a3 == 1)) || ((((a28 <= 16 && a14 == 20) && a26 <= 17) && a4 <= 16) && a3 == 1)) || ((((a28 < 17 && a14 <= 19) && a7 <= 0) && 17 <= a4) && a3 <= 0)) || ((((a14 <= 19 && a28 <= 15) && a26 <= 17) && a7 <= 0) && a3 == 1)) || (((a28 <= 16 && a14 == 20) && a7 == 1) && a3 == 1)) || ((((a4 <= 17 && a14 <= 19) && a7 <= 0) && 17 <= a4) && a3 <= 0)) || (((a14 <= 19 && 17 <= a28) && a7 <= 0) && a3 == 1)) || ((((a4 <= 17 && a14 == 20) && a26 <= 17) && a7 <= 0) && a3 <= 0)) || (((a14 <= 19 && 17 <= a28) && 19 <= a26) && a3 == 1)) || ((a7 == 1 && a14 <= 18) && a3 == 1)) || (((((a4 <= 17 && a14 == 20) && a7 == 1) && 17 <= a4) && a26 <= 18) && a3 == 1)) || (((((a4 <= 17 && a14 == 20) && a7 == 1) && 19 <= a26) && 17 <= a4) && a3 <= 0)) || (((a14 == 20 && a28 <= 15) && a4 <= 16) && a3 == 1)) || (((a14 <= 19 && a28 <= 15) && a7 <= 0) && a3 <= 0)) || (((a14 == 20 && a28 <= 15) && a7 <= 0) && a3 <= 0)) || ((((a14 == 20 && 17 <= a28) && a7 <= 0) && 17 <= a4) && a3 == 1)) || ((((a14 == 20 && a7 == 1) && a4 <= 16) && a26 <= 18) && a3 <= 0)) || (((a14 <= 19 && a7 == 1) && a26 <= 18) && a3 == 1)) || (((19 <= a26 && 17 <= a28) && a14 <= 18) && a3 <= 0)) || (((a14 == 20 && 17 <= a28) && a4 <= 16) && a3 <= 0) - InvariantResult [Line: 4084]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((a4 <= 17 && a14 <= 19) && a7 <= 0) && a3 == 1) || (((a14 <= 19 && a7 == 1) && a26 <= 18) && a3 <= 0)) || (((((a4 <= 17 && a28 <= 15) && 19 <= a26) && a14 <= 18) && 17 <= a4) && a3 <= 0)) || ((((a14 == 20 && 17 <= a28) && 19 <= a26) && a7 <= 0) && a3 == 1)) || ((((a14 == 20 && a26 <= 17) && a7 <= 0) && 17 <= a4) && a3 == 1)) || ((((a4 <= 17 && a14 == 20) && a28 <= 15) && 19 <= a26) && a3 <= 0)) || (((a28 < 17 && a14 <= 19) && a7 == 1) && a3 <= 0)) || ((a7 <= 0 && a14 <= 18) && a3 <= 0)) || ((((a14 <= 19 && 17 <= a28) && a7 <= 0) && a4 <= 16) && a3 <= 0)) || (((((a28 < 17 && a14 == 20) && 19 <= a26) && a7 <= 0) && 17 <= a4) && a3 <= 0)) || ((((a4 <= 17 && a14 == 20) && a7 <= 0) && 17 <= a4) && a3 == 1)) || (((a14 == 20 && a28 <= 15) && 19 <= a26) && a3 == 1)) || ((a7 <= 0 && a14 <= 18) && a3 == 1)) || ((((a7 == 1 && a28 <= 15) && a26 <= 17) && 17 <= a4) && a3 == 1)) || ((((a28 < 17 && a14 == 20) && a7 == 1) && 17 <= a4) && a3 <= 0)) || (((a14 <= 19 && 19 <= a26) && a7 <= 0) && a3 == 1)) || (((a4 <= 17 && a28 <= 16) && a14 <= 18) && a3 == 1)) || (((a14 <= 19 && a7 == 1) && a28 <= 15) && a3 == 1)) || ((a14 <= 19 && a4 <= 16) && a3 == 1)) || ((((a28 <= 16 && a14 == 20) && a26 <= 17) && a4 <= 16) && a3 == 1)) || ((((a28 < 17 && a14 <= 19) && a7 <= 0) && 17 <= a4) && a3 <= 0)) || ((((a14 <= 19 && a28 <= 15) && a26 <= 17) && a7 <= 0) && a3 == 1)) || (((a28 <= 16 && a14 == 20) && a7 == 1) && a3 == 1)) || ((((a4 <= 17 && a14 <= 19) && a7 <= 0) && 17 <= a4) && a3 <= 0)) || (((a14 <= 19 && 17 <= a28) && a7 <= 0) && a3 == 1)) || ((((a4 <= 17 && a14 == 20) && a26 <= 17) && a7 <= 0) && a3 <= 0)) || (((a14 <= 19 && 17 <= a28) && 19 <= a26) && a3 == 1)) || ((a7 == 1 && a14 <= 18) && a3 == 1)) || (((((a4 <= 17 && a14 == 20) && a7 == 1) && 17 <= a4) && a26 <= 18) && a3 == 1)) || (((((a4 <= 17 && a14 == 20) && a7 == 1) && 19 <= a26) && 17 <= a4) && a3 <= 0)) || (((a14 == 20 && a28 <= 15) && a4 <= 16) && a3 == 1)) || (((a14 <= 19 && a28 <= 15) && a7 <= 0) && a3 <= 0)) || (((a14 == 20 && a28 <= 15) && a7 <= 0) && a3 <= 0)) || ((((a14 == 20 && 17 <= a28) && a7 <= 0) && 17 <= a4) && a3 == 1)) || ((((a14 == 20 && a7 == 1) && a4 <= 16) && a26 <= 18) && a3 <= 0)) || (((a14 <= 19 && a7 == 1) && a26 <= 18) && a3 == 1)) || (((19 <= a26 && 17 <= a28) && a14 <= 18) && a3 <= 0)) || (((a14 == 20 && 17 <= a28) && a4 <= 16) && a3 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 763 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 278.5s, OverallIterations: 20, TraceHistogramMax: 18, AutomataDifference: 69.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 16914 SDtfs, 16435 SDslu, 3179 SDs, 0 SdLazy, 53417 SolverSat, 15075 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 42.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 41861 GetRequests, 41787 SyntacticMatches, 6 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=101575occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 11.6s AutomataMinimizationTime, 20 MinimizatonAttempts, 72799 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 793 NumberOfFragments, 2758 HoareAnnotationTreeSize, 6 FomulaSimplifications, 169167 FormulaSimplificationTreeSizeReduction, 3.7s HoareSimplificationTime, 6 FomulaSimplificationsInter, 25202 FormulaSimplificationTreeSizeReductionInter, 9.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 2.1s SsaConstructionTime, 4.8s SatisfiabilityAnalysisTime, 117.9s InterpolantComputationTime, 56259 NumberOfCodeBlocks, 56259 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 77120 ConstructedInterpolants, 0 QuantifiedInterpolants, 468266131 SizeOfPredicates, 0 NumberOfNonLiveVariables, 24373 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 34 InterpolantComputations, 27 PerfectInterpolantSequences, 223353/224363 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...