./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2018/Problem10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53d43741-8609-48b1-b515-e27c5f9eed35/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53d43741-8609-48b1-b515-e27c5f9eed35/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53d43741-8609-48b1-b515-e27c5f9eed35/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53d43741-8609-48b1-b515-e27c5f9eed35/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2018/Problem10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53d43741-8609-48b1-b515-e27c5f9eed35/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53d43741-8609-48b1-b515-e27c5f9eed35/bin/utaipan-aC7eJsxGYH --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 aec1fafbe63132c51323898caadb7f7b777fc751b19e58e74eab1930ebd68833 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 05:39:11,353 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 05:39:11,355 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 05:39:11,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 05:39:11,404 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 05:39:11,405 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 05:39:11,407 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 05:39:11,409 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 05:39:11,411 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 05:39:11,413 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 05:39:11,414 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 05:39:11,415 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 05:39:11,416 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 05:39:11,417 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 05:39:11,418 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 05:39:11,420 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 05:39:11,421 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 05:39:11,422 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 05:39:11,424 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 05:39:11,426 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 05:39:11,428 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 05:39:11,429 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 05:39:11,431 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 05:39:11,432 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 05:39:11,435 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 05:39:11,436 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 05:39:11,436 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 05:39:11,437 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 05:39:11,438 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 05:39:11,439 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 05:39:11,440 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 05:39:11,441 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 05:39:11,442 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 05:39:11,442 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 05:39:11,444 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 05:39:11,444 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 05:39:11,445 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 05:39:11,445 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 05:39:11,446 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 05:39:11,447 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 05:39:11,448 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 05:39:11,449 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53d43741-8609-48b1-b515-e27c5f9eed35/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-03 05:39:11,494 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 05:39:11,494 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 05:39:11,495 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 05:39:11,495 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 05:39:11,496 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 05:39:11,496 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 05:39:11,496 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 05:39:11,509 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 05:39:11,510 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 05:39:11,510 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 05:39:11,510 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 05:39:11,510 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 05:39:11,511 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 05:39:11,511 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 05:39:11,511 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 05:39:11,512 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 05:39:11,512 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 05:39:11,512 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 05:39:11,512 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 05:39:11,513 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 05:39:11,513 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 05:39:11,513 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 05:39:11,513 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 05:39:11,513 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 05:39:11,514 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 05:39:11,514 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 05:39:11,514 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 05:39:11,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 05:39:11,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 05:39:11,515 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 05:39:11,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:39:11,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 05:39:11,515 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 05:39:11,516 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 05:39:11,516 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 05:39:11,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 05:39:11,516 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 05:39:11,516 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 05:39:11,517 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 05:39:11,517 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_worker_vcloud-master_on_vcloud-master/run_dir_53d43741-8609-48b1-b515-e27c5f9eed35/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53d43741-8609-48b1-b515-e27c5f9eed35/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aec1fafbe63132c51323898caadb7f7b777fc751b19e58e74eab1930ebd68833 [2021-11-03 05:39:11,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 05:39:11,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 05:39:11,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 05:39:11,862 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 05:39:11,863 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 05:39:11,864 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53d43741-8609-48b1-b515-e27c5f9eed35/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/eca-rers2018/Problem10.c [2021-11-03 05:39:11,949 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53d43741-8609-48b1-b515-e27c5f9eed35/bin/utaipan-aC7eJsxGYH/data/3c9f840a3/54114d2056f84808935a115944f7753a/FLAG8193c3632 [2021-11-03 05:39:12,513 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 05:39:12,518 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53d43741-8609-48b1-b515-e27c5f9eed35/sv-benchmarks/c/eca-rers2018/Problem10.c [2021-11-03 05:39:12,534 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53d43741-8609-48b1-b515-e27c5f9eed35/bin/utaipan-aC7eJsxGYH/data/3c9f840a3/54114d2056f84808935a115944f7753a/FLAG8193c3632 [2021-11-03 05:39:12,732 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53d43741-8609-48b1-b515-e27c5f9eed35/bin/utaipan-aC7eJsxGYH/data/3c9f840a3/54114d2056f84808935a115944f7753a [2021-11-03 05:39:12,734 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 05:39:12,736 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 05:39:12,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 05:39:12,738 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 05:39:12,741 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 05:39:12,741 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:39:12" (1/1) ... [2021-11-03 05:39:12,743 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b36cbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:39:12, skipping insertion in model container [2021-11-03 05:39:12,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:39:12" (1/1) ... [2021-11-03 05:39:12,750 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 05:39:12,797 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:39:12,987 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53d43741-8609-48b1-b515-e27c5f9eed35/sv-benchmarks/c/eca-rers2018/Problem10.c[778,791] [2021-11-03 05:39:12,991 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53d43741-8609-48b1-b515-e27c5f9eed35/sv-benchmarks/c/eca-rers2018/Problem10.c[817,830] [2021-11-03 05:39:13,521 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:39:13,535 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 05:39:13,550 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53d43741-8609-48b1-b515-e27c5f9eed35/sv-benchmarks/c/eca-rers2018/Problem10.c[778,791] [2021-11-03 05:39:13,551 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53d43741-8609-48b1-b515-e27c5f9eed35/sv-benchmarks/c/eca-rers2018/Problem10.c[817,830] [2021-11-03 05:39:13,666 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:39:13,748 INFO L208 MainTranslator]: Completed translation [2021-11-03 05:39:13,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:39:13 WrapperNode [2021-11-03 05:39:13,748 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 05:39:13,749 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 05:39:13,749 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 05:39:13,750 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 05:39:13,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:39:13" (1/1) ... [2021-11-03 05:39:13,801 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:39:13" (1/1) ... [2021-11-03 05:39:13,895 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 05:39:13,896 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 05:39:13,896 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 05:39:13,897 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 05:39:13,905 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:39:13" (1/1) ... [2021-11-03 05:39:13,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:39:13" (1/1) ... [2021-11-03 05:39:13,912 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:39:13" (1/1) ... [2021-11-03 05:39:13,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:39:13" (1/1) ... [2021-11-03 05:39:13,984 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:39:13" (1/1) ... [2021-11-03 05:39:13,999 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:39:13" (1/1) ... [2021-11-03 05:39:14,004 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:39:13" (1/1) ... [2021-11-03 05:39:14,013 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 05:39:14,014 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 05:39:14,014 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 05:39:14,014 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 05:39:14,027 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:39:13" (1/1) ... [2021-11-03 05:39:14,039 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:39:14,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53d43741-8609-48b1-b515-e27c5f9eed35/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:39:14,094 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53d43741-8609-48b1-b515-e27c5f9eed35/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 05:39:14,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53d43741-8609-48b1-b515-e27c5f9eed35/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 05:39:14,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 05:39:14,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-03 05:39:14,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 05:39:14,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 05:39:18,314 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 05:39:18,314 INFO L299 CfgBuilder]: Removed 489 assume(true) statements. [2021-11-03 05:39:18,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:39:18 BoogieIcfgContainer [2021-11-03 05:39:18,317 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 05:39:18,319 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 05:39:18,319 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 05:39:18,322 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 05:39:18,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 05:39:12" (1/3) ... [2021-11-03 05:39:18,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7103aecf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:39:18, skipping insertion in model container [2021-11-03 05:39:18,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:39:13" (2/3) ... [2021-11-03 05:39:18,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7103aecf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:39:18, skipping insertion in model container [2021-11-03 05:39:18,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:39:18" (3/3) ... [2021-11-03 05:39:18,325 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10.c [2021-11-03 05:39:18,330 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 05:39:18,330 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 100 error locations. [2021-11-03 05:39:18,377 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 05:39:18,383 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-03 05:39:18,383 INFO L340 AbstractCegarLoop]: Starting to check reachability of 100 error locations. [2021-11-03 05:39:18,404 INFO L276 IsEmpty]: Start isEmpty. Operand has 305 states, 204 states have (on average 1.9901960784313726) internal successors, (406), 304 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:18,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-03 05:39:18,408 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:39:18,409 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-11-03 05:39:18,409 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 97 more)] === [2021-11-03 05:39:18,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:39:18,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1585095129, now seen corresponding path program 1 times [2021-11-03 05:39:18,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:39:18,424 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892057401] [2021-11-03 05:39:18,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:39:18,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:39:18,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:39:18,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:18,973 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:39:18,974 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892057401] [2021-11-03 05:39:18,974 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892057401] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:39:18,975 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:39:18,975 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:39:18,976 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167062363] [2021-11-03 05:39:18,981 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:39:18,982 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:39:18,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:39:18,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:39:19,004 INFO L87 Difference]: Start difference. First operand has 305 states, 204 states have (on average 1.9901960784313726) internal successors, (406), 304 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:19,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:39:19,581 INFO L93 Difference]: Finished difference Result 885 states and 1189 transitions. [2021-11-03 05:39:19,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:39:19,583 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2021-11-03 05:39:19,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:39:19,598 INFO L225 Difference]: With dead ends: 885 [2021-11-03 05:39:19,598 INFO L226 Difference]: Without dead ends: 575 [2021-11-03 05:39:19,602 INFO L786 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 [2021-11-03 05:39:19,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2021-11-03 05:39:19,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 393. [2021-11-03 05:39:19,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 293 states have (on average 1.5938566552901023) internal successors, (467), 392 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:19,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 467 transitions. [2021-11-03 05:39:19,661 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 467 transitions. Word has length 5 [2021-11-03 05:39:19,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:39:19,662 INFO L470 AbstractCegarLoop]: Abstraction has 393 states and 467 transitions. [2021-11-03 05:39:19,662 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:19,662 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 467 transitions. [2021-11-03 05:39:19,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-03 05:39:19,663 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:39:19,663 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-03 05:39:19,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-03 05:39:19,663 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 97 more)] === [2021-11-03 05:39:19,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:39:19,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1893315478, now seen corresponding path program 1 times [2021-11-03 05:39:19,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:39:19,665 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729632155] [2021-11-03 05:39:19,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:39:19,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:39:19,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:39:19,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:19,955 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:39:19,955 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729632155] [2021-11-03 05:39:19,956 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729632155] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:39:19,956 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:39:19,956 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:39:19,956 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441942143] [2021-11-03 05:39:19,958 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:39:19,958 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:39:19,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:39:19,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:39:19,959 INFO L87 Difference]: Start difference. First operand 393 states and 467 transitions. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:20,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:39:20,326 INFO L93 Difference]: Finished difference Result 393 states and 467 transitions. [2021-11-03 05:39:20,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:39:20,327 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-11-03 05:39:20,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:39:20,329 INFO L225 Difference]: With dead ends: 393 [2021-11-03 05:39:20,330 INFO L226 Difference]: Without dead ends: 389 [2021-11-03 05:39:20,331 INFO L786 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 [2021-11-03 05:39:20,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2021-11-03 05:39:20,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 389. [2021-11-03 05:39:20,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 291 states have (on average 1.5841924398625429) internal successors, (461), 388 states have internal predecessors, (461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:20,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 461 transitions. [2021-11-03 05:39:20,352 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 461 transitions. Word has length 6 [2021-11-03 05:39:20,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:39:20,353 INFO L470 AbstractCegarLoop]: Abstraction has 389 states and 461 transitions. [2021-11-03 05:39:20,353 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:20,353 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 461 transitions. [2021-11-03 05:39:20,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-03 05:39:20,354 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:39:20,354 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:39:20,354 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-03 05:39:20,354 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 97 more)] === [2021-11-03 05:39:20,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:39:20,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1436755581, now seen corresponding path program 1 times [2021-11-03 05:39:20,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:39:20,356 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006266517] [2021-11-03 05:39:20,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:39:20,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:39:20,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:39:20,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:20,796 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:39:20,796 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006266517] [2021-11-03 05:39:20,796 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006266517] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:39:20,796 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:39:20,797 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:39:20,797 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143147743] [2021-11-03 05:39:20,797 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:39:20,797 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:39:20,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:39:20,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:39:20,799 INFO L87 Difference]: Start difference. First operand 389 states and 461 transitions. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:21,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:39:21,404 INFO L93 Difference]: Finished difference Result 535 states and 553 transitions. [2021-11-03 05:39:21,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:39:21,404 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-03 05:39:21,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:39:21,407 INFO L225 Difference]: With dead ends: 535 [2021-11-03 05:39:21,407 INFO L226 Difference]: Without dead ends: 529 [2021-11-03 05:39:21,408 INFO L786 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 [2021-11-03 05:39:21,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2021-11-03 05:39:21,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 389. [2021-11-03 05:39:21,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 291 states have (on average 1.5738831615120275) internal successors, (458), 388 states have internal predecessors, (458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:21,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 458 transitions. [2021-11-03 05:39:21,424 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 458 transitions. Word has length 7 [2021-11-03 05:39:21,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:39:21,424 INFO L470 AbstractCegarLoop]: Abstraction has 389 states and 458 transitions. [2021-11-03 05:39:21,425 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:21,425 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 458 transitions. [2021-11-03 05:39:21,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-03 05:39:21,426 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:39:21,426 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:39:21,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-03 05:39:21,427 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 97 more)] === [2021-11-03 05:39:21,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:39:21,428 INFO L85 PathProgramCache]: Analyzing trace with hash -2037395155, now seen corresponding path program 1 times [2021-11-03 05:39:21,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:39:21,429 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398291805] [2021-11-03 05:39:21,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:39:21,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:39:21,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:39:21,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:21,677 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:39:21,682 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398291805] [2021-11-03 05:39:21,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398291805] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:39:21,683 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:39:21,683 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:39:21,684 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009860744] [2021-11-03 05:39:21,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:39:21,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:39:21,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:39:21,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:39:21,687 INFO L87 Difference]: Start difference. First operand 389 states and 458 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:21,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:39:21,999 INFO L93 Difference]: Finished difference Result 559 states and 562 transitions. [2021-11-03 05:39:21,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:39:21,999 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-03 05:39:22,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:39:22,003 INFO L225 Difference]: With dead ends: 559 [2021-11-03 05:39:22,003 INFO L226 Difference]: Without dead ends: 557 [2021-11-03 05:39:22,004 INFO L786 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 [2021-11-03 05:39:22,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2021-11-03 05:39:22,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 389. [2021-11-03 05:39:22,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 291 states have (on average 1.570446735395189) internal successors, (457), 388 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:22,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 457 transitions. [2021-11-03 05:39:22,020 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 457 transitions. Word has length 9 [2021-11-03 05:39:22,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:39:22,022 INFO L470 AbstractCegarLoop]: Abstraction has 389 states and 457 transitions. [2021-11-03 05:39:22,023 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:22,023 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 457 transitions. [2021-11-03 05:39:22,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-03 05:39:22,023 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:39:22,023 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:39:22,024 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-03 05:39:22,024 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 97 more)] === [2021-11-03 05:39:22,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:39:22,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1265266410, now seen corresponding path program 1 times [2021-11-03 05:39:22,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:39:22,026 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932052653] [2021-11-03 05:39:22,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:39:22,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:39:22,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:39:22,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:22,303 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:39:22,303 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932052653] [2021-11-03 05:39:22,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932052653] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:39:22,303 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:39:22,304 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:39:22,304 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550458653] [2021-11-03 05:39:22,305 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:39:22,305 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:39:22,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:39:22,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:39:22,306 INFO L87 Difference]: Start difference. First operand 389 states and 457 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:22,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:39:22,840 INFO L93 Difference]: Finished difference Result 521 states and 542 transitions. [2021-11-03 05:39:22,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:39:22,841 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-03 05:39:22,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:39:22,843 INFO L225 Difference]: With dead ends: 521 [2021-11-03 05:39:22,843 INFO L226 Difference]: Without dead ends: 517 [2021-11-03 05:39:22,843 INFO L786 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 [2021-11-03 05:39:22,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2021-11-03 05:39:22,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 389. [2021-11-03 05:39:22,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 291 states have (on average 1.563573883161512) internal successors, (455), 388 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:22,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 455 transitions. [2021-11-03 05:39:22,854 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 455 transitions. Word has length 10 [2021-11-03 05:39:22,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:39:22,854 INFO L470 AbstractCegarLoop]: Abstraction has 389 states and 455 transitions. [2021-11-03 05:39:22,854 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:22,854 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 455 transitions. [2021-11-03 05:39:22,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-03 05:39:22,855 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:39:22,855 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:39:22,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-03 05:39:22,855 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 97 more)] === [2021-11-03 05:39:22,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:39:22,856 INFO L85 PathProgramCache]: Analyzing trace with hash 568559831, now seen corresponding path program 1 times [2021-11-03 05:39:22,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:39:22,856 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450576607] [2021-11-03 05:39:22,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:39:22,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:39:22,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:39:22,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:22,979 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:39:22,979 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450576607] [2021-11-03 05:39:22,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450576607] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:39:22,980 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:39:22,980 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:39:22,981 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904532663] [2021-11-03 05:39:22,981 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:39:22,986 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:39:22,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:39:22,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:39:22,988 INFO L87 Difference]: Start difference. First operand 389 states and 455 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:23,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:39:23,300 INFO L93 Difference]: Finished difference Result 553 states and 556 transitions. [2021-11-03 05:39:23,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:39:23,305 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-03 05:39:23,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:39:23,308 INFO L225 Difference]: With dead ends: 553 [2021-11-03 05:39:23,308 INFO L226 Difference]: Without dead ends: 549 [2021-11-03 05:39:23,308 INFO L786 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 [2021-11-03 05:39:23,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2021-11-03 05:39:23,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 389. [2021-11-03 05:39:23,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 291 states have (on average 1.556701030927835) internal successors, (453), 388 states have internal predecessors, (453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:23,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 453 transitions. [2021-11-03 05:39:23,319 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 453 transitions. Word has length 11 [2021-11-03 05:39:23,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:39:23,319 INFO L470 AbstractCegarLoop]: Abstraction has 389 states and 453 transitions. [2021-11-03 05:39:23,320 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:23,320 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 453 transitions. [2021-11-03 05:39:23,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-03 05:39:23,320 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:39:23,320 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:39:23,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-03 05:39:23,321 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 97 more)] === [2021-11-03 05:39:23,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:39:23,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1378342338, now seen corresponding path program 1 times [2021-11-03 05:39:23,322 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:39:23,322 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081535625] [2021-11-03 05:39:23,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:39:23,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:39:23,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:39:23,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:23,481 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:39:23,481 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081535625] [2021-11-03 05:39:23,481 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081535625] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:39:23,481 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:39:23,482 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:39:23,482 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598325493] [2021-11-03 05:39:23,482 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:39:23,482 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:39:23,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:39:23,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:39:23,483 INFO L87 Difference]: Start difference. First operand 389 states and 453 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:23,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:39:23,847 INFO L93 Difference]: Finished difference Result 389 states and 453 transitions. [2021-11-03 05:39:23,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:39:23,847 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-11-03 05:39:23,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:39:23,850 INFO L225 Difference]: With dead ends: 389 [2021-11-03 05:39:23,850 INFO L226 Difference]: Without dead ends: 385 [2021-11-03 05:39:23,850 INFO L786 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 [2021-11-03 05:39:23,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2021-11-03 05:39:23,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 385. [2021-11-03 05:39:23,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 289 states have (on average 1.546712802768166) internal successors, (447), 384 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:23,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 447 transitions. [2021-11-03 05:39:23,862 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 447 transitions. Word has length 14 [2021-11-03 05:39:23,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:39:23,863 INFO L470 AbstractCegarLoop]: Abstraction has 385 states and 447 transitions. [2021-11-03 05:39:23,863 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:23,863 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 447 transitions. [2021-11-03 05:39:23,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-03 05:39:23,864 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:39:23,864 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:39:23,864 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-03 05:39:23,865 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 97 more)] === [2021-11-03 05:39:23,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:39:23,865 INFO L85 PathProgramCache]: Analyzing trace with hash 221067307, now seen corresponding path program 1 times [2021-11-03 05:39:23,866 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:39:23,866 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072261526] [2021-11-03 05:39:23,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:39:23,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:39:23,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:39:23,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:23,990 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:39:23,990 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072261526] [2021-11-03 05:39:23,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072261526] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:39:23,991 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:39:23,991 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:39:23,991 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523597714] [2021-11-03 05:39:23,991 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:39:23,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:39:23,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:39:23,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:39:23,993 INFO L87 Difference]: Start difference. First operand 385 states and 447 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:24,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:39:24,314 INFO L93 Difference]: Finished difference Result 385 states and 447 transitions. [2021-11-03 05:39:24,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:39:24,314 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-11-03 05:39:24,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:39:24,316 INFO L225 Difference]: With dead ends: 385 [2021-11-03 05:39:24,317 INFO L226 Difference]: Without dead ends: 381 [2021-11-03 05:39:24,317 INFO L786 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 [2021-11-03 05:39:24,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2021-11-03 05:39:24,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 381. [2021-11-03 05:39:24,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 287 states have (on average 1.5365853658536586) internal successors, (441), 380 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:24,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 441 transitions. [2021-11-03 05:39:24,329 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 441 transitions. Word has length 15 [2021-11-03 05:39:24,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:39:24,329 INFO L470 AbstractCegarLoop]: Abstraction has 381 states and 441 transitions. [2021-11-03 05:39:24,329 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:24,330 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 441 transitions. [2021-11-03 05:39:24,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-03 05:39:24,330 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:39:24,330 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:39:24,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-03 05:39:24,331 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 97 more)] === [2021-11-03 05:39:24,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:39:24,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1736841240, now seen corresponding path program 1 times [2021-11-03 05:39:24,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:39:24,332 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464074244] [2021-11-03 05:39:24,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:39:24,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:39:24,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:39:24,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:24,440 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:39:24,440 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464074244] [2021-11-03 05:39:24,440 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464074244] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:39:24,441 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:39:24,441 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-03 05:39:24,441 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365101927] [2021-11-03 05:39:24,442 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 05:39:24,442 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:39:24,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 05:39:24,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 05:39:24,443 INFO L87 Difference]: Start difference. First operand 381 states and 441 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:24,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:39:24,506 INFO L93 Difference]: Finished difference Result 381 states and 441 transitions. [2021-11-03 05:39:24,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 05:39:24,507 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-11-03 05:39:24,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:39:24,509 INFO L225 Difference]: With dead ends: 381 [2021-11-03 05:39:24,510 INFO L226 Difference]: Without dead ends: 377 [2021-11-03 05:39:24,510 INFO L786 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 [2021-11-03 05:39:24,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2021-11-03 05:39:24,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 377. [2021-11-03 05:39:24,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 285 states have (on average 1.5263157894736843) internal successors, (435), 376 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:24,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 435 transitions. [2021-11-03 05:39:24,525 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 435 transitions. Word has length 16 [2021-11-03 05:39:24,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:39:24,526 INFO L470 AbstractCegarLoop]: Abstraction has 377 states and 435 transitions. [2021-11-03 05:39:24,526 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:24,526 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 435 transitions. [2021-11-03 05:39:24,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-03 05:39:24,527 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:39:24,527 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:39:24,527 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-03 05:39:24,528 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 97 more)] === [2021-11-03 05:39:24,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:39:24,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1992503253, now seen corresponding path program 1 times [2021-11-03 05:39:24,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:39:24,529 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699232338] [2021-11-03 05:39:24,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:39:24,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:39:24,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:39:24,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:24,683 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:39:24,684 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699232338] [2021-11-03 05:39:24,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699232338] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:39:24,684 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:39:24,684 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:39:24,684 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429204469] [2021-11-03 05:39:24,685 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:39:24,685 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:39:24,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:39:24,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:39:24,686 INFO L87 Difference]: Start difference. First operand 377 states and 435 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:24,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:39:24,968 INFO L93 Difference]: Finished difference Result 377 states and 435 transitions. [2021-11-03 05:39:24,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:39:24,969 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-03 05:39:24,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:39:24,971 INFO L225 Difference]: With dead ends: 377 [2021-11-03 05:39:24,971 INFO L226 Difference]: Without dead ends: 375 [2021-11-03 05:39:24,971 INFO L786 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 [2021-11-03 05:39:24,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2021-11-03 05:39:24,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 375. [2021-11-03 05:39:24,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 284 states have (on average 1.5211267605633803) internal successors, (432), 374 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:24,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 432 transitions. [2021-11-03 05:39:24,980 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 432 transitions. Word has length 17 [2021-11-03 05:39:24,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:39:24,981 INFO L470 AbstractCegarLoop]: Abstraction has 375 states and 432 transitions. [2021-11-03 05:39:24,981 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:24,981 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 432 transitions. [2021-11-03 05:39:24,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-03 05:39:24,982 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:39:24,982 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:39:24,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-03 05:39:24,982 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 97 more)] === [2021-11-03 05:39:24,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:39:24,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1638065554, now seen corresponding path program 1 times [2021-11-03 05:39:24,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:39:24,983 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953528475] [2021-11-03 05:39:24,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:39:24,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:39:25,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:39:25,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:25,116 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:39:25,116 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953528475] [2021-11-03 05:39:25,116 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953528475] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:39:25,116 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:39:25,116 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:39:25,117 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360365733] [2021-11-03 05:39:25,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:39:25,134 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:39:25,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:39:25,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:39:25,138 INFO L87 Difference]: Start difference. First operand 375 states and 432 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:25,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:39:25,412 INFO L93 Difference]: Finished difference Result 375 states and 432 transitions. [2021-11-03 05:39:25,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:39:25,413 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-03 05:39:25,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:39:25,415 INFO L225 Difference]: With dead ends: 375 [2021-11-03 05:39:25,415 INFO L226 Difference]: Without dead ends: 373 [2021-11-03 05:39:25,416 INFO L786 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 [2021-11-03 05:39:25,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2021-11-03 05:39:25,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 373. [2021-11-03 05:39:25,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 283 states have (on average 1.5159010600706713) internal successors, (429), 372 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:25,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 429 transitions. [2021-11-03 05:39:25,424 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 429 transitions. Word has length 18 [2021-11-03 05:39:25,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:39:25,424 INFO L470 AbstractCegarLoop]: Abstraction has 373 states and 429 transitions. [2021-11-03 05:39:25,425 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:25,425 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 429 transitions. [2021-11-03 05:39:25,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-03 05:39:25,425 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:39:25,425 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:39:25,425 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-03 05:39:25,426 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 97 more)] === [2021-11-03 05:39:25,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:39:25,426 INFO L85 PathProgramCache]: Analyzing trace with hash -2071780548, now seen corresponding path program 1 times [2021-11-03 05:39:25,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:39:25,426 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500925782] [2021-11-03 05:39:25,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:39:25,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:39:25,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:39:25,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:25,567 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:39:25,567 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500925782] [2021-11-03 05:39:25,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500925782] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:39:25,568 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:39:25,568 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:39:25,568 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187189569] [2021-11-03 05:39:25,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:39:25,568 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:39:25,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:39:25,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:39:25,569 INFO L87 Difference]: Start difference. First operand 373 states and 429 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:25,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:39:25,896 INFO L93 Difference]: Finished difference Result 505 states and 514 transitions. [2021-11-03 05:39:25,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:39:25,901 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-11-03 05:39:25,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:39:25,903 INFO L225 Difference]: With dead ends: 505 [2021-11-03 05:39:25,904 INFO L226 Difference]: Without dead ends: 501 [2021-11-03 05:39:25,904 INFO L786 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 [2021-11-03 05:39:25,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2021-11-03 05:39:25,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 373. [2021-11-03 05:39:25,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 283 states have (on average 1.5088339222614842) internal successors, (427), 372 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:25,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 427 transitions. [2021-11-03 05:39:25,914 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 427 transitions. Word has length 20 [2021-11-03 05:39:25,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:39:25,914 INFO L470 AbstractCegarLoop]: Abstraction has 373 states and 427 transitions. [2021-11-03 05:39:25,915 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:25,915 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 427 transitions. [2021-11-03 05:39:25,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-03 05:39:25,915 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:39:25,916 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:39:25,916 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-03 05:39:25,916 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 97 more)] === [2021-11-03 05:39:25,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:39:25,917 INFO L85 PathProgramCache]: Analyzing trace with hash 199319337, now seen corresponding path program 1 times [2021-11-03 05:39:25,917 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:39:25,917 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234771835] [2021-11-03 05:39:25,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:39:25,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:39:25,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:39:26,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:26,140 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:39:26,140 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234771835] [2021-11-03 05:39:26,141 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234771835] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:39:26,141 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:39:26,141 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:39:26,141 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319482272] [2021-11-03 05:39:26,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:39:26,142 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:39:26,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:39:26,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:39:26,143 INFO L87 Difference]: Start difference. First operand 373 states and 427 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:26,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:39:26,680 INFO L93 Difference]: Finished difference Result 467 states and 493 transitions. [2021-11-03 05:39:26,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:39:26,681 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2021-11-03 05:39:26,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:39:26,684 INFO L225 Difference]: With dead ends: 467 [2021-11-03 05:39:26,684 INFO L226 Difference]: Without dead ends: 461 [2021-11-03 05:39:26,684 INFO L786 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 [2021-11-03 05:39:26,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2021-11-03 05:39:26,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 373. [2021-11-03 05:39:26,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 283 states have (on average 1.4982332155477032) internal successors, (424), 372 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:26,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 424 transitions. [2021-11-03 05:39:26,696 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 424 transitions. Word has length 21 [2021-11-03 05:39:26,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:39:26,697 INFO L470 AbstractCegarLoop]: Abstraction has 373 states and 424 transitions. [2021-11-03 05:39:26,697 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:26,698 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 424 transitions. [2021-11-03 05:39:26,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-03 05:39:26,699 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:39:26,699 INFO L513 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] [2021-11-03 05:39:26,699 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-03 05:39:26,699 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 97 more)] === [2021-11-03 05:39:26,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:39:26,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1883939046, now seen corresponding path program 1 times [2021-11-03 05:39:26,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:39:26,700 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626616763] [2021-11-03 05:39:26,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:39:26,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:39:26,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:39:26,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:26,842 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:39:26,842 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626616763] [2021-11-03 05:39:26,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626616763] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:39:26,842 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:39:26,842 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:39:26,843 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358603906] [2021-11-03 05:39:26,843 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:39:26,843 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:39:26,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:39:26,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:39:26,844 INFO L87 Difference]: Start difference. First operand 373 states and 424 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:27,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:39:27,131 INFO L93 Difference]: Finished difference Result 373 states and 424 transitions. [2021-11-03 05:39:27,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:39:27,131 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-11-03 05:39:27,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:39:27,134 INFO L225 Difference]: With dead ends: 373 [2021-11-03 05:39:27,134 INFO L226 Difference]: Without dead ends: 371 [2021-11-03 05:39:27,134 INFO L786 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 [2021-11-03 05:39:27,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2021-11-03 05:39:27,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 371. [2021-11-03 05:39:27,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 282 states have (on average 1.4929078014184398) internal successors, (421), 370 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:27,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 421 transitions. [2021-11-03 05:39:27,145 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 421 transitions. Word has length 22 [2021-11-03 05:39:27,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:39:27,145 INFO L470 AbstractCegarLoop]: Abstraction has 371 states and 421 transitions. [2021-11-03 05:39:27,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:27,145 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 421 transitions. [2021-11-03 05:39:27,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-03 05:39:27,148 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:39:27,148 INFO L513 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] [2021-11-03 05:39:27,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-03 05:39:27,149 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 97 more)] === [2021-11-03 05:39:27,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:39:27,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1727424813, now seen corresponding path program 1 times [2021-11-03 05:39:27,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:39:27,150 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484737009] [2021-11-03 05:39:27,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:39:27,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:39:27,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:39:27,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:27,350 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:39:27,350 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484737009] [2021-11-03 05:39:27,351 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484737009] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:39:27,351 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:39:27,351 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:39:27,351 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707028755] [2021-11-03 05:39:27,352 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:39:27,352 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:39:27,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:39:27,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:39:27,353 INFO L87 Difference]: Start difference. First operand 371 states and 421 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:27,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:39:27,888 INFO L93 Difference]: Finished difference Result 433 states and 471 transitions. [2021-11-03 05:39:27,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:39:27,889 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-11-03 05:39:27,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:39:27,892 INFO L225 Difference]: With dead ends: 433 [2021-11-03 05:39:27,892 INFO L226 Difference]: Without dead ends: 431 [2021-11-03 05:39:27,892 INFO L786 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 [2021-11-03 05:39:27,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2021-11-03 05:39:27,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 371. [2021-11-03 05:39:27,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 282 states have (on average 1.4893617021276595) internal successors, (420), 370 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:27,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 420 transitions. [2021-11-03 05:39:27,902 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 420 transitions. Word has length 23 [2021-11-03 05:39:27,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:39:27,902 INFO L470 AbstractCegarLoop]: Abstraction has 371 states and 420 transitions. [2021-11-03 05:39:27,902 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:27,903 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 420 transitions. [2021-11-03 05:39:27,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-03 05:39:27,903 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:39:27,904 INFO L513 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] [2021-11-03 05:39:27,904 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-03 05:39:27,904 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 97 more)] === [2021-11-03 05:39:27,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:39:27,905 INFO L85 PathProgramCache]: Analyzing trace with hash -2010554736, now seen corresponding path program 1 times [2021-11-03 05:39:27,905 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:39:27,905 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914977381] [2021-11-03 05:39:27,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:39:27,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:39:27,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:39:28,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:28,026 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:39:28,027 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914977381] [2021-11-03 05:39:28,029 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914977381] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:39:28,029 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:39:28,029 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:39:28,030 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494082863] [2021-11-03 05:39:28,030 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:39:28,030 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:39:28,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:39:28,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:39:28,031 INFO L87 Difference]: Start difference. First operand 371 states and 420 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:28,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:39:28,345 INFO L93 Difference]: Finished difference Result 371 states and 420 transitions. [2021-11-03 05:39:28,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:39:28,345 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-03 05:39:28,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:39:28,347 INFO L225 Difference]: With dead ends: 371 [2021-11-03 05:39:28,347 INFO L226 Difference]: Without dead ends: 369 [2021-11-03 05:39:28,348 INFO L786 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 [2021-11-03 05:39:28,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2021-11-03 05:39:28,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 369. [2021-11-03 05:39:28,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 281 states have (on average 1.4839857651245552) internal successors, (417), 368 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:28,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 417 transitions. [2021-11-03 05:39:28,356 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 417 transitions. Word has length 24 [2021-11-03 05:39:28,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:39:28,357 INFO L470 AbstractCegarLoop]: Abstraction has 369 states and 417 transitions. [2021-11-03 05:39:28,357 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:28,357 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 417 transitions. [2021-11-03 05:39:28,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-03 05:39:28,360 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:39:28,360 INFO L513 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] [2021-11-03 05:39:28,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-03 05:39:28,360 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 97 more)] === [2021-11-03 05:39:28,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:39:28,361 INFO L85 PathProgramCache]: Analyzing trace with hash 2097319549, now seen corresponding path program 1 times [2021-11-03 05:39:28,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:39:28,361 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68692811] [2021-11-03 05:39:28,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:39:28,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:39:28,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:39:28,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:28,534 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:39:28,534 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68692811] [2021-11-03 05:39:28,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68692811] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:39:28,534 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:39:28,534 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:39:28,535 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929988996] [2021-11-03 05:39:28,536 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:39:28,536 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:39:28,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:39:28,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:39:28,537 INFO L87 Difference]: Start difference. First operand 369 states and 417 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:28,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:39:28,860 INFO L93 Difference]: Finished difference Result 369 states and 417 transitions. [2021-11-03 05:39:28,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:39:28,861 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-11-03 05:39:28,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:39:28,863 INFO L225 Difference]: With dead ends: 369 [2021-11-03 05:39:28,863 INFO L226 Difference]: Without dead ends: 367 [2021-11-03 05:39:28,863 INFO L786 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 [2021-11-03 05:39:28,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2021-11-03 05:39:28,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 367. [2021-11-03 05:39:28,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 280 states have (on average 1.4785714285714286) internal successors, (414), 366 states have internal predecessors, (414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:28,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 414 transitions. [2021-11-03 05:39:28,873 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 414 transitions. Word has length 25 [2021-11-03 05:39:28,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:39:28,873 INFO L470 AbstractCegarLoop]: Abstraction has 367 states and 414 transitions. [2021-11-03 05:39:28,874 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:28,874 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 414 transitions. [2021-11-03 05:39:28,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-03 05:39:28,874 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:39:28,875 INFO L513 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] [2021-11-03 05:39:28,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-03 05:39:28,875 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 97 more)] === [2021-11-03 05:39:28,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:39:28,876 INFO L85 PathProgramCache]: Analyzing trace with hash 592403514, now seen corresponding path program 1 times [2021-11-03 05:39:28,876 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:39:28,876 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115533107] [2021-11-03 05:39:28,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:39:28,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:39:28,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:39:29,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:29,017 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:39:29,017 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115533107] [2021-11-03 05:39:29,017 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115533107] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:39:29,017 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:39:29,017 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:39:29,018 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169720560] [2021-11-03 05:39:29,019 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:39:29,019 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:39:29,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:39:29,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:39:29,020 INFO L87 Difference]: Start difference. First operand 367 states and 414 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:29,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:39:29,339 INFO L93 Difference]: Finished difference Result 367 states and 414 transitions. [2021-11-03 05:39:29,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:39:29,340 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-11-03 05:39:29,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:39:29,342 INFO L225 Difference]: With dead ends: 367 [2021-11-03 05:39:29,342 INFO L226 Difference]: Without dead ends: 365 [2021-11-03 05:39:29,342 INFO L786 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 [2021-11-03 05:39:29,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2021-11-03 05:39:29,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 365. [2021-11-03 05:39:29,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 279 states have (on average 1.4731182795698925) internal successors, (411), 364 states have internal predecessors, (411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:29,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 411 transitions. [2021-11-03 05:39:29,351 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 411 transitions. Word has length 26 [2021-11-03 05:39:29,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:39:29,352 INFO L470 AbstractCegarLoop]: Abstraction has 365 states and 411 transitions. [2021-11-03 05:39:29,353 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:29,353 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 411 transitions. [2021-11-03 05:39:29,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-03 05:39:29,355 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:39:29,355 INFO L513 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] [2021-11-03 05:39:29,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-03 05:39:29,355 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 97 more)] === [2021-11-03 05:39:29,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:39:29,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1184646695, now seen corresponding path program 1 times [2021-11-03 05:39:29,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:39:29,356 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822422220] [2021-11-03 05:39:29,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:39:29,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:39:29,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:39:29,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:29,530 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:39:29,530 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822422220] [2021-11-03 05:39:29,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822422220] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:39:29,530 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:39:29,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:39:29,531 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867214266] [2021-11-03 05:39:29,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:39:29,532 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:39:29,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:39:29,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:39:29,533 INFO L87 Difference]: Start difference. First operand 365 states and 411 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:30,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:39:30,076 INFO L93 Difference]: Finished difference Result 445 states and 470 transitions. [2021-11-03 05:39:30,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:39:30,076 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-11-03 05:39:30,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:39:30,079 INFO L225 Difference]: With dead ends: 445 [2021-11-03 05:39:30,079 INFO L226 Difference]: Without dead ends: 441 [2021-11-03 05:39:30,080 INFO L786 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 [2021-11-03 05:39:30,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2021-11-03 05:39:30,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 365. [2021-11-03 05:39:30,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 279 states have (on average 1.4659498207885304) internal successors, (409), 364 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:30,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 409 transitions. [2021-11-03 05:39:30,089 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 409 transitions. Word has length 27 [2021-11-03 05:39:30,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:39:30,090 INFO L470 AbstractCegarLoop]: Abstraction has 365 states and 409 transitions. [2021-11-03 05:39:30,090 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:30,090 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 409 transitions. [2021-11-03 05:39:30,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-03 05:39:30,092 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:39:30,092 INFO L513 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] [2021-11-03 05:39:30,092 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-03 05:39:30,092 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 97 more)] === [2021-11-03 05:39:30,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:39:30,093 INFO L85 PathProgramCache]: Analyzing trace with hash -1930651164, now seen corresponding path program 1 times [2021-11-03 05:39:30,093 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:39:30,093 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076116260] [2021-11-03 05:39:30,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:39:30,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:39:30,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:39:30,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:30,223 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:39:30,224 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076116260] [2021-11-03 05:39:30,224 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076116260] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:39:30,224 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:39:30,224 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:39:30,224 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514149449] [2021-11-03 05:39:30,225 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:39:30,225 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:39:30,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:39:30,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:39:30,226 INFO L87 Difference]: Start difference. First operand 365 states and 409 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:30,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:39:30,526 INFO L93 Difference]: Finished difference Result 489 states and 490 transitions. [2021-11-03 05:39:30,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:39:30,527 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-11-03 05:39:30,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:39:30,530 INFO L225 Difference]: With dead ends: 489 [2021-11-03 05:39:30,530 INFO L226 Difference]: Without dead ends: 473 [2021-11-03 05:39:30,531 INFO L786 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 [2021-11-03 05:39:30,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2021-11-03 05:39:30,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 375. [2021-11-03 05:39:30,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 289 states have (on average 1.4567474048442905) internal successors, (421), 374 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:30,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 421 transitions. [2021-11-03 05:39:30,542 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 421 transitions. Word has length 28 [2021-11-03 05:39:30,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:39:30,542 INFO L470 AbstractCegarLoop]: Abstraction has 375 states and 421 transitions. [2021-11-03 05:39:30,542 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:30,543 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 421 transitions. [2021-11-03 05:39:30,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-03 05:39:30,544 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:39:30,544 INFO L513 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] [2021-11-03 05:39:30,544 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-03 05:39:30,545 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 97 more)] === [2021-11-03 05:39:30,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:39:30,545 INFO L85 PathProgramCache]: Analyzing trace with hash 279363025, now seen corresponding path program 1 times [2021-11-03 05:39:30,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:39:30,546 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15678754] [2021-11-03 05:39:30,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:39:30,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:39:30,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:39:30,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:30,742 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:39:30,743 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15678754] [2021-11-03 05:39:30,743 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15678754] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:39:30,743 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:39:30,743 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:39:30,743 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528447775] [2021-11-03 05:39:30,744 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:39:30,744 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:39:30,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:39:30,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:39:30,745 INFO L87 Difference]: Start difference. First operand 375 states and 421 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:31,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:39:31,303 INFO L93 Difference]: Finished difference Result 441 states and 458 transitions. [2021-11-03 05:39:31,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:39:31,305 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2021-11-03 05:39:31,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:39:31,307 INFO L225 Difference]: With dead ends: 441 [2021-11-03 05:39:31,307 INFO L226 Difference]: Without dead ends: 439 [2021-11-03 05:39:31,308 INFO L786 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 [2021-11-03 05:39:31,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2021-11-03 05:39:31,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 375. [2021-11-03 05:39:31,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 289 states have (on average 1.453287197231834) internal successors, (420), 374 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:31,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 420 transitions. [2021-11-03 05:39:31,317 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 420 transitions. Word has length 29 [2021-11-03 05:39:31,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:39:31,318 INFO L470 AbstractCegarLoop]: Abstraction has 375 states and 420 transitions. [2021-11-03 05:39:31,318 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:31,318 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 420 transitions. [2021-11-03 05:39:31,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-03 05:39:31,319 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:39:31,319 INFO L513 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] [2021-11-03 05:39:31,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-03 05:39:31,319 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 97 more)] === [2021-11-03 05:39:31,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:39:31,320 INFO L85 PathProgramCache]: Analyzing trace with hash 70326158, now seen corresponding path program 1 times [2021-11-03 05:39:31,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:39:31,320 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831481945] [2021-11-03 05:39:31,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:39:31,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:39:31,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:39:31,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:31,453 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:39:31,453 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831481945] [2021-11-03 05:39:31,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831481945] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:39:31,454 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:39:31,454 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:39:31,454 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035646604] [2021-11-03 05:39:31,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:39:31,455 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:39:31,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:39:31,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:39:31,456 INFO L87 Difference]: Start difference. First operand 375 states and 420 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:31,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:39:31,729 INFO L93 Difference]: Finished difference Result 375 states and 420 transitions. [2021-11-03 05:39:31,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:39:31,731 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-03 05:39:31,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:39:31,733 INFO L225 Difference]: With dead ends: 375 [2021-11-03 05:39:31,733 INFO L226 Difference]: Without dead ends: 373 [2021-11-03 05:39:31,734 INFO L786 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 [2021-11-03 05:39:31,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2021-11-03 05:39:31,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 373. [2021-11-03 05:39:31,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 288 states have (on average 1.4479166666666667) internal successors, (417), 372 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:31,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 417 transitions. [2021-11-03 05:39:31,742 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 417 transitions. Word has length 30 [2021-11-03 05:39:31,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:39:31,743 INFO L470 AbstractCegarLoop]: Abstraction has 373 states and 417 transitions. [2021-11-03 05:39:31,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:31,743 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 417 transitions. [2021-11-03 05:39:31,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-03 05:39:31,744 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:39:31,744 INFO L513 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] [2021-11-03 05:39:31,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-03 05:39:31,744 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 97 more)] === [2021-11-03 05:39:31,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:39:31,745 INFO L85 PathProgramCache]: Analyzing trace with hash -596651294, now seen corresponding path program 1 times [2021-11-03 05:39:31,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:39:31,745 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314095630] [2021-11-03 05:39:31,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:39:31,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:39:31,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:39:31,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:31,879 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:39:31,880 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314095630] [2021-11-03 05:39:31,880 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314095630] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:39:31,880 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:39:31,880 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:39:31,881 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460512371] [2021-11-03 05:39:31,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:39:31,882 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:39:31,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:39:31,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:39:31,883 INFO L87 Difference]: Start difference. First operand 373 states and 417 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:32,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:39:32,376 INFO L93 Difference]: Finished difference Result 445 states and 457 transitions. [2021-11-03 05:39:32,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:39:32,377 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-11-03 05:39:32,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:39:32,379 INFO L225 Difference]: With dead ends: 445 [2021-11-03 05:39:32,379 INFO L226 Difference]: Without dead ends: 443 [2021-11-03 05:39:32,379 INFO L786 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 [2021-11-03 05:39:32,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2021-11-03 05:39:32,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 373. [2021-11-03 05:39:32,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 288 states have (on average 1.4444444444444444) internal successors, (416), 372 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:32,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 416 transitions. [2021-11-03 05:39:32,390 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 416 transitions. Word has length 34 [2021-11-03 05:39:32,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:39:32,390 INFO L470 AbstractCegarLoop]: Abstraction has 373 states and 416 transitions. [2021-11-03 05:39:32,390 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:32,390 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 416 transitions. [2021-11-03 05:39:32,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-03 05:39:32,391 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:39:32,391 INFO L513 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] [2021-11-03 05:39:32,391 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-03 05:39:32,391 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 97 more)] === [2021-11-03 05:39:32,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:39:32,392 INFO L85 PathProgramCache]: Analyzing trace with hash 2143948940, now seen corresponding path program 1 times [2021-11-03 05:39:32,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:39:32,392 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912205898] [2021-11-03 05:39:32,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:39:32,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:39:32,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:39:32,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:32,547 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:39:32,548 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912205898] [2021-11-03 05:39:32,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912205898] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:39:32,548 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:39:32,548 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:39:32,549 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086691381] [2021-11-03 05:39:32,549 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:39:32,549 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:39:32,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:39:32,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:39:32,550 INFO L87 Difference]: Start difference. First operand 373 states and 416 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:32,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:39:32,847 INFO L93 Difference]: Finished difference Result 457 states and 462 transitions. [2021-11-03 05:39:32,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:39:32,847 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-11-03 05:39:32,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:39:32,850 INFO L225 Difference]: With dead ends: 457 [2021-11-03 05:39:32,850 INFO L226 Difference]: Without dead ends: 451 [2021-11-03 05:39:32,850 INFO L786 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 [2021-11-03 05:39:32,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2021-11-03 05:39:32,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 373. [2021-11-03 05:39:32,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 288 states have (on average 1.4340277777777777) internal successors, (413), 372 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:32,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 413 transitions. [2021-11-03 05:39:32,860 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 413 transitions. Word has length 36 [2021-11-03 05:39:32,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:39:32,860 INFO L470 AbstractCegarLoop]: Abstraction has 373 states and 413 transitions. [2021-11-03 05:39:32,860 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:32,860 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 413 transitions. [2021-11-03 05:39:32,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-03 05:39:32,861 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:39:32,861 INFO L513 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] [2021-11-03 05:39:32,861 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-03 05:39:32,861 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 97 more)] === [2021-11-03 05:39:32,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:39:32,862 INFO L85 PathProgramCache]: Analyzing trace with hash 2037914745, now seen corresponding path program 1 times [2021-11-03 05:39:32,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:39:32,862 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769246723] [2021-11-03 05:39:32,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:39:32,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:39:32,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:39:33,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:33,041 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:39:33,041 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769246723] [2021-11-03 05:39:33,041 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769246723] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:39:33,041 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:39:33,042 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:39:33,042 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636975853] [2021-11-03 05:39:33,042 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:39:33,042 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:39:33,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:39:33,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:39:33,043 INFO L87 Difference]: Start difference. First operand 373 states and 413 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:33,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:39:33,530 INFO L93 Difference]: Finished difference Result 395 states and 428 transitions. [2021-11-03 05:39:33,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:39:33,530 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-11-03 05:39:33,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:39:33,533 INFO L225 Difference]: With dead ends: 395 [2021-11-03 05:39:33,533 INFO L226 Difference]: Without dead ends: 393 [2021-11-03 05:39:33,533 INFO L786 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 [2021-11-03 05:39:33,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2021-11-03 05:39:33,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 373. [2021-11-03 05:39:33,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 288 states have (on average 1.4305555555555556) internal successors, (412), 372 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:33,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 412 transitions. [2021-11-03 05:39:33,548 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 412 transitions. Word has length 37 [2021-11-03 05:39:33,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:39:33,548 INFO L470 AbstractCegarLoop]: Abstraction has 373 states and 412 transitions. [2021-11-03 05:39:33,549 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:33,549 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 412 transitions. [2021-11-03 05:39:33,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-03 05:39:33,549 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:39:33,549 INFO L513 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] [2021-11-03 05:39:33,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-03 05:39:33,551 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 97 more)] === [2021-11-03 05:39:33,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:39:33,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1249145290, now seen corresponding path program 1 times [2021-11-03 05:39:33,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:39:33,552 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816921762] [2021-11-03 05:39:33,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:39:33,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:39:33,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:39:33,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:33,688 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:39:33,688 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816921762] [2021-11-03 05:39:33,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816921762] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:39:33,689 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:39:33,689 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:39:33,689 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278894920] [2021-11-03 05:39:33,690 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:39:33,690 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:39:33,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:39:33,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:39:33,691 INFO L87 Difference]: Start difference. First operand 373 states and 412 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:34,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:39:34,171 INFO L93 Difference]: Finished difference Result 425 states and 442 transitions. [2021-11-03 05:39:34,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:39:34,172 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-11-03 05:39:34,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:39:34,174 INFO L225 Difference]: With dead ends: 425 [2021-11-03 05:39:34,174 INFO L226 Difference]: Without dead ends: 419 [2021-11-03 05:39:34,175 INFO L786 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 [2021-11-03 05:39:34,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2021-11-03 05:39:34,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 373. [2021-11-03 05:39:34,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 288 states have (on average 1.4201388888888888) internal successors, (409), 372 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:34,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 409 transitions. [2021-11-03 05:39:34,185 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 409 transitions. Word has length 38 [2021-11-03 05:39:34,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:39:34,185 INFO L470 AbstractCegarLoop]: Abstraction has 373 states and 409 transitions. [2021-11-03 05:39:34,185 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:34,185 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 409 transitions. [2021-11-03 05:39:34,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-03 05:39:34,186 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:39:34,186 INFO L513 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] [2021-11-03 05:39:34,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-03 05:39:34,186 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 97 more)] === [2021-11-03 05:39:34,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:39:34,187 INFO L85 PathProgramCache]: Analyzing trace with hash -68791261, now seen corresponding path program 1 times [2021-11-03 05:39:34,187 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:39:34,187 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053226800] [2021-11-03 05:39:34,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:39:34,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:39:34,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:39:34,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:34,260 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:39:34,260 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053226800] [2021-11-03 05:39:34,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053226800] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:39:34,261 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:39:34,261 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-03 05:39:34,261 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607333367] [2021-11-03 05:39:34,261 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 05:39:34,261 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:39:34,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 05:39:34,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 05:39:34,262 INFO L87 Difference]: Start difference. First operand 373 states and 409 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:34,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:39:34,271 INFO L93 Difference]: Finished difference Result 373 states and 409 transitions. [2021-11-03 05:39:34,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 05:39:34,271 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-11-03 05:39:34,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:39:34,274 INFO L225 Difference]: With dead ends: 373 [2021-11-03 05:39:34,274 INFO L226 Difference]: Without dead ends: 369 [2021-11-03 05:39:34,274 INFO L786 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 [2021-11-03 05:39:34,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2021-11-03 05:39:34,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 369. [2021-11-03 05:39:34,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 286 states have (on average 1.4090909090909092) internal successors, (403), 368 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:34,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 403 transitions. [2021-11-03 05:39:34,283 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 403 transitions. Word has length 39 [2021-11-03 05:39:34,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:39:34,284 INFO L470 AbstractCegarLoop]: Abstraction has 369 states and 403 transitions. [2021-11-03 05:39:34,284 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:34,284 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 403 transitions. [2021-11-03 05:39:34,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-03 05:39:34,285 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:39:34,285 INFO L513 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] [2021-11-03 05:39:34,285 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-11-03 05:39:34,285 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 97 more)] === [2021-11-03 05:39:34,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:39:34,286 INFO L85 PathProgramCache]: Analyzing trace with hash -2132522016, now seen corresponding path program 1 times [2021-11-03 05:39:34,286 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:39:34,286 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214419177] [2021-11-03 05:39:34,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:39:34,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:39:34,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:39:34,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:34,488 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:39:34,488 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214419177] [2021-11-03 05:39:34,488 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214419177] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:39:34,488 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:39:34,488 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:39:34,489 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693109331] [2021-11-03 05:39:34,489 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:39:34,489 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:39:34,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:39:34,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:39:34,490 INFO L87 Difference]: Start difference. First operand 369 states and 403 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:34,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:39:34,876 INFO L93 Difference]: Finished difference Result 437 states and 441 transitions. [2021-11-03 05:39:34,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:39:34,876 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-11-03 05:39:34,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:39:34,879 INFO L225 Difference]: With dead ends: 437 [2021-11-03 05:39:34,879 INFO L226 Difference]: Without dead ends: 425 [2021-11-03 05:39:34,879 INFO L786 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 [2021-11-03 05:39:34,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2021-11-03 05:39:34,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 369. [2021-11-03 05:39:34,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 286 states have (on average 1.3881118881118881) internal successors, (397), 368 states have internal predecessors, (397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:34,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 397 transitions. [2021-11-03 05:39:34,890 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 397 transitions. Word has length 40 [2021-11-03 05:39:34,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:39:34,890 INFO L470 AbstractCegarLoop]: Abstraction has 369 states and 397 transitions. [2021-11-03 05:39:34,891 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:34,891 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 397 transitions. [2021-11-03 05:39:34,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-03 05:39:34,891 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:39:34,892 INFO L513 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] [2021-11-03 05:39:34,892 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-11-03 05:39:34,892 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 97 more)] === [2021-11-03 05:39:34,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:39:34,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1199899511, now seen corresponding path program 1 times [2021-11-03 05:39:34,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:39:34,893 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615363295] [2021-11-03 05:39:34,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:39:34,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:39:34,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:39:35,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:35,064 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:39:35,064 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615363295] [2021-11-03 05:39:35,064 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615363295] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:39:35,064 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:39:35,064 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:39:35,065 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062890542] [2021-11-03 05:39:35,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:39:35,065 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:39:35,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:39:35,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:39:35,066 INFO L87 Difference]: Start difference. First operand 369 states and 397 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:35,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:39:35,389 INFO L93 Difference]: Finished difference Result 429 states and 431 transitions. [2021-11-03 05:39:35,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:39:35,390 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2021-11-03 05:39:35,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:39:35,393 INFO L225 Difference]: With dead ends: 429 [2021-11-03 05:39:35,393 INFO L226 Difference]: Without dead ends: 427 [2021-11-03 05:39:35,394 INFO L786 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 [2021-11-03 05:39:35,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2021-11-03 05:39:35,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 369. [2021-11-03 05:39:35,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 286 states have (on average 1.3846153846153846) internal successors, (396), 368 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:35,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 396 transitions. [2021-11-03 05:39:35,405 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 396 transitions. Word has length 43 [2021-11-03 05:39:35,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:39:35,406 INFO L470 AbstractCegarLoop]: Abstraction has 369 states and 396 transitions. [2021-11-03 05:39:35,406 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:35,406 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 396 transitions. [2021-11-03 05:39:35,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-03 05:39:35,407 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:39:35,407 INFO L513 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] [2021-11-03 05:39:35,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-11-03 05:39:35,408 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 97 more)] === [2021-11-03 05:39:35,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:39:35,409 INFO L85 PathProgramCache]: Analyzing trace with hash 2052422433, now seen corresponding path program 1 times [2021-11-03 05:39:35,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:39:35,409 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225936976] [2021-11-03 05:39:35,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:39:35,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:39:35,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:39:35,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:35,544 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:39:35,544 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225936976] [2021-11-03 05:39:35,544 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225936976] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:39:35,545 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:39:35,545 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:39:35,545 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722240763] [2021-11-03 05:39:35,545 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:39:35,546 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:39:35,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:39:35,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:39:35,546 INFO L87 Difference]: Start difference. First operand 369 states and 396 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:36,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:39:36,040 INFO L93 Difference]: Finished difference Result 391 states and 411 transitions. [2021-11-03 05:39:36,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:39:36,045 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2021-11-03 05:39:36,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:39:36,047 INFO L225 Difference]: With dead ends: 391 [2021-11-03 05:39:36,047 INFO L226 Difference]: Without dead ends: 373 [2021-11-03 05:39:36,048 INFO L786 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 [2021-11-03 05:39:36,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2021-11-03 05:39:36,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 371. [2021-11-03 05:39:36,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 288 states have (on average 1.3576388888888888) internal successors, (391), 370 states have internal predecessors, (391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:36,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 391 transitions. [2021-11-03 05:39:36,057 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 391 transitions. Word has length 45 [2021-11-03 05:39:36,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:39:36,057 INFO L470 AbstractCegarLoop]: Abstraction has 371 states and 391 transitions. [2021-11-03 05:39:36,058 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:36,058 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 391 transitions. [2021-11-03 05:39:36,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-03 05:39:36,058 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:39:36,059 INFO L513 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] [2021-11-03 05:39:36,059 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-11-03 05:39:36,059 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 97 more)] === [2021-11-03 05:39:36,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:39:36,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1695334450, now seen corresponding path program 1 times [2021-11-03 05:39:36,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:39:36,060 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528776914] [2021-11-03 05:39:36,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:39:36,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:39:36,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:39:36,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:36,209 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:39:36,210 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528776914] [2021-11-03 05:39:36,210 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528776914] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:39:36,210 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:39:36,210 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:39:36,210 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784598727] [2021-11-03 05:39:36,211 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:39:36,211 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:39:36,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:39:36,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:39:36,212 INFO L87 Difference]: Start difference. First operand 371 states and 391 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:36,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:39:36,510 INFO L93 Difference]: Finished difference Result 371 states and 391 transitions. [2021-11-03 05:39:36,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:39:36,511 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2021-11-03 05:39:36,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:39:36,513 INFO L225 Difference]: With dead ends: 371 [2021-11-03 05:39:36,514 INFO L226 Difference]: Without dead ends: 369 [2021-11-03 05:39:36,514 INFO L786 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 [2021-11-03 05:39:36,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2021-11-03 05:39:36,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 369. [2021-11-03 05:39:36,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 287 states have (on average 1.3519163763066202) internal successors, (388), 368 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:36,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 388 transitions. [2021-11-03 05:39:36,523 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 388 transitions. Word has length 50 [2021-11-03 05:39:36,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:39:36,524 INFO L470 AbstractCegarLoop]: Abstraction has 369 states and 388 transitions. [2021-11-03 05:39:36,524 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:36,524 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 388 transitions. [2021-11-03 05:39:36,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-03 05:39:36,525 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:39:36,525 INFO L513 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] [2021-11-03 05:39:36,525 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-11-03 05:39:36,525 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 97 more)] === [2021-11-03 05:39:36,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:39:36,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1015767583, now seen corresponding path program 1 times [2021-11-03 05:39:36,526 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:39:36,526 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925143273] [2021-11-03 05:39:36,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:39:36,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:39:36,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:39:36,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:36,614 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:39:36,615 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925143273] [2021-11-03 05:39:36,615 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925143273] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:39:36,615 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:39:36,615 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-03 05:39:36,615 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331859008] [2021-11-03 05:39:36,616 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 05:39:36,616 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:39:36,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 05:39:36,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 05:39:36,618 INFO L87 Difference]: Start difference. First operand 369 states and 388 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:36,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:39:36,629 INFO L93 Difference]: Finished difference Result 369 states and 388 transitions. [2021-11-03 05:39:36,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 05:39:36,629 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-11-03 05:39:36,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:39:36,632 INFO L225 Difference]: With dead ends: 369 [2021-11-03 05:39:36,632 INFO L226 Difference]: Without dead ends: 363 [2021-11-03 05:39:36,633 INFO L786 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 [2021-11-03 05:39:36,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2021-11-03 05:39:36,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363. [2021-11-03 05:39:36,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 284 states have (on average 1.3345070422535212) internal successors, (379), 362 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:36,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 379 transitions. [2021-11-03 05:39:36,643 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 379 transitions. Word has length 51 [2021-11-03 05:39:36,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:39:36,643 INFO L470 AbstractCegarLoop]: Abstraction has 363 states and 379 transitions. [2021-11-03 05:39:36,643 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:36,644 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 379 transitions. [2021-11-03 05:39:36,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-03 05:39:36,644 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:39:36,644 INFO L513 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] [2021-11-03 05:39:36,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-11-03 05:39:36,645 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 97 more)] === [2021-11-03 05:39:36,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:39:36,645 INFO L85 PathProgramCache]: Analyzing trace with hash -1600357498, now seen corresponding path program 1 times [2021-11-03 05:39:36,646 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:39:36,646 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621825026] [2021-11-03 05:39:36,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:39:36,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:39:36,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:39:36,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:36,912 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:39:36,912 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621825026] [2021-11-03 05:39:36,912 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621825026] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:39:36,912 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:39:36,912 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:39:36,912 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187349466] [2021-11-03 05:39:36,913 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:39:36,913 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:39:36,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:39:36,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:39:36,913 INFO L87 Difference]: Start difference. First operand 363 states and 379 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:37,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:39:37,353 INFO L93 Difference]: Finished difference Result 387 states and 392 transitions. [2021-11-03 05:39:37,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:39:37,354 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-11-03 05:39:37,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:39:37,356 INFO L225 Difference]: With dead ends: 387 [2021-11-03 05:39:37,356 INFO L226 Difference]: Without dead ends: 373 [2021-11-03 05:39:37,357 INFO L786 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 [2021-11-03 05:39:37,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2021-11-03 05:39:37,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 363. [2021-11-03 05:39:37,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 284 states have (on average 1.3098591549295775) internal successors, (372), 362 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:37,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 372 transitions. [2021-11-03 05:39:37,365 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 372 transitions. Word has length 54 [2021-11-03 05:39:37,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:39:37,365 INFO L470 AbstractCegarLoop]: Abstraction has 363 states and 372 transitions. [2021-11-03 05:39:37,366 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:37,366 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 372 transitions. [2021-11-03 05:39:37,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-03 05:39:37,366 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:39:37,367 INFO L513 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] [2021-11-03 05:39:37,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-11-03 05:39:37,367 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 97 more)] === [2021-11-03 05:39:37,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:39:37,368 INFO L85 PathProgramCache]: Analyzing trace with hash 49506245, now seen corresponding path program 1 times [2021-11-03 05:39:37,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:39:37,368 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719264422] [2021-11-03 05:39:37,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:39:37,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:39:37,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:39:37,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:37,523 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:39:37,523 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719264422] [2021-11-03 05:39:37,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719264422] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:39:37,524 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:39:37,524 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-03 05:39:37,524 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283155011] [2021-11-03 05:39:37,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 05:39:37,525 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:39:37,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 05:39:37,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:39:37,525 INFO L87 Difference]: Start difference. First operand 363 states and 372 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:37,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:39:37,797 INFO L93 Difference]: Finished difference Result 363 states and 372 transitions. [2021-11-03 05:39:37,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:39:37,797 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2021-11-03 05:39:37,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:39:37,799 INFO L225 Difference]: With dead ends: 363 [2021-11-03 05:39:37,799 INFO L226 Difference]: Without dead ends: 359 [2021-11-03 05:39:37,799 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:39:37,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2021-11-03 05:39:37,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 359. [2021-11-03 05:39:37,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 282 states have (on average 1.297872340425532) internal successors, (366), 358 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:37,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 366 transitions. [2021-11-03 05:39:37,807 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 366 transitions. Word has length 65 [2021-11-03 05:39:37,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:39:37,807 INFO L470 AbstractCegarLoop]: Abstraction has 359 states and 366 transitions. [2021-11-03 05:39:37,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:37,807 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 366 transitions. [2021-11-03 05:39:37,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-03 05:39:37,808 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:39:37,808 INFO L513 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] [2021-11-03 05:39:37,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-11-03 05:39:37,809 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 97 more)] === [2021-11-03 05:39:37,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:39:37,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1534700930, now seen corresponding path program 1 times [2021-11-03 05:39:37,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:39:37,809 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136013603] [2021-11-03 05:39:37,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:39:37,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:39:37,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:39:37,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:37,921 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:39:37,921 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136013603] [2021-11-03 05:39:37,921 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136013603] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:39:37,921 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:39:37,922 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:39:37,922 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511125889] [2021-11-03 05:39:37,922 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:39:37,922 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:39:37,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:39:37,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:39:37,923 INFO L87 Difference]: Start difference. First operand 359 states and 366 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:38,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:39:38,187 INFO L93 Difference]: Finished difference Result 359 states and 366 transitions. [2021-11-03 05:39:38,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:39:38,188 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2021-11-03 05:39:38,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:39:38,190 INFO L225 Difference]: With dead ends: 359 [2021-11-03 05:39:38,190 INFO L226 Difference]: Without dead ends: 357 [2021-11-03 05:39:38,190 INFO L786 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 [2021-11-03 05:39:38,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2021-11-03 05:39:38,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 357. [2021-11-03 05:39:38,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 281 states have (on average 1.291814946619217) internal successors, (363), 356 states have internal predecessors, (363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:38,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 363 transitions. [2021-11-03 05:39:38,198 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 363 transitions. Word has length 66 [2021-11-03 05:39:38,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:39:38,198 INFO L470 AbstractCegarLoop]: Abstraction has 357 states and 363 transitions. [2021-11-03 05:39:38,198 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:38,199 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 363 transitions. [2021-11-03 05:39:38,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-03 05:39:38,199 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:39:38,199 INFO L513 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] [2021-11-03 05:39:38,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-11-03 05:39:38,200 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr67ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 97 more)] === [2021-11-03 05:39:38,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:39:38,200 INFO L85 PathProgramCache]: Analyzing trace with hash 667559552, now seen corresponding path program 1 times [2021-11-03 05:39:38,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:39:38,201 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693690829] [2021-11-03 05:39:38,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:39:38,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:39:38,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:39:38,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:38,309 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:39:38,310 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693690829] [2021-11-03 05:39:38,310 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693690829] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:39:38,310 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:39:38,310 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:39:38,310 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135843659] [2021-11-03 05:39:38,311 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:39:38,311 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:39:38,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:39:38,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:39:38,312 INFO L87 Difference]: Start difference. First operand 357 states and 363 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:38,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:39:38,581 INFO L93 Difference]: Finished difference Result 357 states and 363 transitions. [2021-11-03 05:39:38,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:39:38,581 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2021-11-03 05:39:38,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:39:38,583 INFO L225 Difference]: With dead ends: 357 [2021-11-03 05:39:38,583 INFO L226 Difference]: Without dead ends: 355 [2021-11-03 05:39:38,584 INFO L786 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 [2021-11-03 05:39:38,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2021-11-03 05:39:38,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 355. [2021-11-03 05:39:38,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 280 states have (on average 1.2857142857142858) internal successors, (360), 354 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:38,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 360 transitions. [2021-11-03 05:39:38,592 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 360 transitions. Word has length 72 [2021-11-03 05:39:38,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:39:38,592 INFO L470 AbstractCegarLoop]: Abstraction has 355 states and 360 transitions. [2021-11-03 05:39:38,592 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:38,593 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 360 transitions. [2021-11-03 05:39:38,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-03 05:39:38,593 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:39:38,593 INFO L513 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] [2021-11-03 05:39:38,594 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-11-03 05:39:38,594 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 97 more)] === [2021-11-03 05:39:38,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:39:38,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1243340670, now seen corresponding path program 1 times [2021-11-03 05:39:38,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:39:38,596 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966659158] [2021-11-03 05:39:38,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:39:38,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:39:38,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:39:38,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:38,745 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:39:38,745 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966659158] [2021-11-03 05:39:38,745 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966659158] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:39:38,745 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:39:38,745 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:39:38,746 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790090735] [2021-11-03 05:39:38,747 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:39:38,747 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:39:38,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:39:38,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:39:38,748 INFO L87 Difference]: Start difference. First operand 355 states and 360 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:39,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:39:39,082 INFO L93 Difference]: Finished difference Result 367 states and 367 transitions. [2021-11-03 05:39:39,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:39:39,083 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2021-11-03 05:39:39,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:39:39,085 INFO L225 Difference]: With dead ends: 367 [2021-11-03 05:39:39,085 INFO L226 Difference]: Without dead ends: 365 [2021-11-03 05:39:39,086 INFO L786 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 [2021-11-03 05:39:39,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2021-11-03 05:39:39,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 355. [2021-11-03 05:39:39,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 280 states have (on average 1.2821428571428573) internal successors, (359), 354 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:39,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 359 transitions. [2021-11-03 05:39:39,096 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 359 transitions. Word has length 78 [2021-11-03 05:39:39,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:39:39,096 INFO L470 AbstractCegarLoop]: Abstraction has 355 states and 359 transitions. [2021-11-03 05:39:39,097 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:39,097 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 359 transitions. [2021-11-03 05:39:39,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-03 05:39:39,097 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:39:39,098 INFO L513 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] [2021-11-03 05:39:39,098 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-11-03 05:39:39,098 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr86ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 97 more)] === [2021-11-03 05:39:39,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:39:39,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1285604505, now seen corresponding path program 1 times [2021-11-03 05:39:39,099 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:39:39,099 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949743959] [2021-11-03 05:39:39,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:39:39,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:39:39,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:39:39,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:39,268 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:39:39,268 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949743959] [2021-11-03 05:39:39,268 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949743959] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:39:39,269 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:39:39,269 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:39:39,269 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424861041] [2021-11-03 05:39:39,269 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:39:39,270 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:39:39,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:39:39,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:39:39,270 INFO L87 Difference]: Start difference. First operand 355 states and 359 transitions. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:39,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:39:39,757 INFO L93 Difference]: Finished difference Result 359 states and 362 transitions. [2021-11-03 05:39:39,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:39:39,758 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2021-11-03 05:39:39,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:39:39,759 INFO L225 Difference]: With dead ends: 359 [2021-11-03 05:39:39,760 INFO L226 Difference]: Without dead ends: 357 [2021-11-03 05:39:39,760 INFO L786 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 [2021-11-03 05:39:39,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2021-11-03 05:39:39,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 355. [2021-11-03 05:39:39,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 280 states have (on average 1.2785714285714285) internal successors, (358), 354 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:39,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 358 transitions. [2021-11-03 05:39:39,777 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 358 transitions. Word has length 91 [2021-11-03 05:39:39,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:39:39,777 INFO L470 AbstractCegarLoop]: Abstraction has 355 states and 358 transitions. [2021-11-03 05:39:39,778 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:39,778 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 358 transitions. [2021-11-03 05:39:39,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-03 05:39:39,779 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:39:39,779 INFO L513 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] [2021-11-03 05:39:39,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-11-03 05:39:39,779 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr89ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 97 more)] === [2021-11-03 05:39:39,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:39:39,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1212887858, now seen corresponding path program 1 times [2021-11-03 05:39:39,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:39:39,780 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419946441] [2021-11-03 05:39:39,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:39:39,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:39:39,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:39:39,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:39,978 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:39:39,978 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419946441] [2021-11-03 05:39:39,978 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419946441] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:39:39,978 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:39:39,978 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:39:39,979 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144496879] [2021-11-03 05:39:39,979 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:39:39,979 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:39:39,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:39:39,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:39:39,980 INFO L87 Difference]: Start difference. First operand 355 states and 358 transitions. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:40,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:39:40,460 INFO L93 Difference]: Finished difference Result 359 states and 361 transitions. [2021-11-03 05:39:40,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:39:40,461 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2021-11-03 05:39:40,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:39:40,462 INFO L225 Difference]: With dead ends: 359 [2021-11-03 05:39:40,463 INFO L226 Difference]: Without dead ends: 357 [2021-11-03 05:39:40,463 INFO L786 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 [2021-11-03 05:39:40,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2021-11-03 05:39:40,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 355. [2021-11-03 05:39:40,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 280 states have (on average 1.275) internal successors, (357), 354 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:40,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 357 transitions. [2021-11-03 05:39:40,472 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 357 transitions. Word has length 94 [2021-11-03 05:39:40,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:39:40,472 INFO L470 AbstractCegarLoop]: Abstraction has 355 states and 357 transitions. [2021-11-03 05:39:40,473 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:40,473 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 357 transitions. [2021-11-03 05:39:40,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-03 05:39:40,474 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:39:40,474 INFO L513 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] [2021-11-03 05:39:40,474 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-11-03 05:39:40,474 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr94ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 97 more)] === [2021-11-03 05:39:40,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:39:40,475 INFO L85 PathProgramCache]: Analyzing trace with hash 648911375, now seen corresponding path program 1 times [2021-11-03 05:39:40,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:39:40,475 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168652491] [2021-11-03 05:39:40,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:39:40,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:39:40,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:39:40,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:40,642 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:39:40,642 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168652491] [2021-11-03 05:39:40,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168652491] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:39:40,643 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:39:40,643 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:39:40,643 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69083088] [2021-11-03 05:39:40,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:39:40,643 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:39:40,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:39:40,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:39:40,644 INFO L87 Difference]: Start difference. First operand 355 states and 357 transitions. Second operand has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:40,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:39:40,936 INFO L93 Difference]: Finished difference Result 355 states and 357 transitions. [2021-11-03 05:39:40,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:39:40,937 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2021-11-03 05:39:40,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:39:40,939 INFO L225 Difference]: With dead ends: 355 [2021-11-03 05:39:40,939 INFO L226 Difference]: Without dead ends: 353 [2021-11-03 05:39:40,939 INFO L786 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 [2021-11-03 05:39:40,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2021-11-03 05:39:40,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 353. [2021-11-03 05:39:40,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 279 states have (on average 1.2688172043010753) internal successors, (354), 352 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:40,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 354 transitions. [2021-11-03 05:39:40,946 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 354 transitions. Word has length 99 [2021-11-03 05:39:40,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:39:40,947 INFO L470 AbstractCegarLoop]: Abstraction has 353 states and 354 transitions. [2021-11-03 05:39:40,947 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:40,947 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 354 transitions. [2021-11-03 05:39:40,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-03 05:39:40,948 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:39:40,948 INFO L513 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] [2021-11-03 05:39:40,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-11-03 05:39:40,949 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr98ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 97 more)] === [2021-11-03 05:39:40,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:39:40,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1858516637, now seen corresponding path program 1 times [2021-11-03 05:39:40,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:39:40,950 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008062491] [2021-11-03 05:39:40,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:39:40,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:39:41,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:39:41,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:41,116 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:39:41,116 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008062491] [2021-11-03 05:39:41,117 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008062491] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:39:41,117 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:39:41,117 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:39:41,117 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487721568] [2021-11-03 05:39:41,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:39:41,118 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:39:41,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:39:41,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:39:41,118 INFO L87 Difference]: Start difference. First operand 353 states and 354 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:41,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:39:41,418 INFO L93 Difference]: Finished difference Result 353 states and 354 transitions. [2021-11-03 05:39:41,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:39:41,419 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-11-03 05:39:41,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:39:41,421 INFO L225 Difference]: With dead ends: 353 [2021-11-03 05:39:41,421 INFO L226 Difference]: Without dead ends: 351 [2021-11-03 05:39:41,421 INFO L786 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 [2021-11-03 05:39:41,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2021-11-03 05:39:41,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 351. [2021-11-03 05:39:41,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 278 states have (on average 1.2625899280575539) internal successors, (351), 350 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:41,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 351 transitions. [2021-11-03 05:39:41,429 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 351 transitions. Word has length 103 [2021-11-03 05:39:41,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:39:41,429 INFO L470 AbstractCegarLoop]: Abstraction has 351 states and 351 transitions. [2021-11-03 05:39:41,429 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:41,430 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 351 transitions. [2021-11-03 05:39:41,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-03 05:39:41,431 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:39:41,431 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-11-03 05:39:41,431 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-11-03 05:39:41,431 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 97 more)] === [2021-11-03 05:39:41,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:39:41,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1645320275, now seen corresponding path program 1 times [2021-11-03 05:39:41,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:39:41,432 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9031901] [2021-11-03 05:39:41,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:39:41,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:39:41,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:39:41,604 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:41,605 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:39:41,605 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9031901] [2021-11-03 05:39:41,605 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9031901] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 05:39:41,605 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [828135284] [2021-11-03 05:39:41,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:39:41,606 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:39:41,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53d43741-8609-48b1-b515-e27c5f9eed35/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:39:41,609 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53d43741-8609-48b1-b515-e27c5f9eed35/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:39:41,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53d43741-8609-48b1-b515-e27c5f9eed35/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-03 05:39:41,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:39:41,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-03 05:39:42,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:40:13,381 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:40:13,381 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:41:11,782 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-03 05:41:11,783 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [828135284] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-03 05:41:11,783 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2021-11-03 05:41:11,783 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4, 4] total 8 [2021-11-03 05:41:11,783 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007061520] [2021-11-03 05:41:11,784 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 05:41:11,784 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:41:11,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 05:41:11,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=40, Unknown=0, NotChecked=0, Total=72 [2021-11-03 05:41:11,785 INFO L87 Difference]: Start difference. First operand 351 states and 351 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 2 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:41:11,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:41:11,838 INFO L93 Difference]: Finished difference Result 351 states and 351 transitions. [2021-11-03 05:41:11,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 05:41:11,839 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 2 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2021-11-03 05:41:11,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:41:11,840 INFO L225 Difference]: With dead ends: 351 [2021-11-03 05:41:11,841 INFO L226 Difference]: Without dead ends: 347 [2021-11-03 05:41:11,841 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=40, Unknown=0, NotChecked=0, Total=72 [2021-11-03 05:41:11,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2021-11-03 05:41:11,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 347. [2021-11-03 05:41:11,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 276 states have (on average 1.2572463768115942) internal successors, (347), 346 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:41:11,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 347 transitions. [2021-11-03 05:41:11,848 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 347 transitions. Word has length 107 [2021-11-03 05:41:11,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:41:11,849 INFO L470 AbstractCegarLoop]: Abstraction has 347 states and 347 transitions. [2021-11-03 05:41:11,849 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 2 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:41:11,849 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 347 transitions. [2021-11-03 05:41:11,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-03 05:41:11,850 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:41:11,850 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-11-03 05:41:11,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53d43741-8609-48b1-b515-e27c5f9eed35/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-03 05:41:12,076 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53d43741-8609-48b1-b515-e27c5f9eed35/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:41:12,077 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 97 more)] === [2021-11-03 05:41:12,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:41:12,077 INFO L85 PathProgramCache]: Analyzing trace with hash 605034877, now seen corresponding path program 1 times [2021-11-03 05:41:12,077 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:41:12,077 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614639470] [2021-11-03 05:41:12,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:41:12,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:41:12,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:41:12,984 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:41:12,984 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:41:12,984 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614639470] [2021-11-03 05:41:12,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614639470] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 05:41:12,985 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1037129753] [2021-11-03 05:41:12,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:41:12,985 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:41:12,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53d43741-8609-48b1-b515-e27c5f9eed35/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:41:12,989 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53d43741-8609-48b1-b515-e27c5f9eed35/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:41:13,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53d43741-8609-48b1-b515-e27c5f9eed35/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-03 05:41:13,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:41:13,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-03 05:41:13,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:43:14,045 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:43:14,045 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:43:46,960 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-03 05:43:46,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1037129753] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:43:46,961 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1155003002] [2021-11-03 05:43:46,986 INFO L159 IcfgInterpreter]: Started Sifa with 105 locations of interest [2021-11-03 05:43:46,986 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 05:43:46,991 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 05:43:47,007 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 05:43:47,011 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 05:43:47,476 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:43:47,478 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:43:47,478 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:43:47,479 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-03 05:43:47,479 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:43:47,480 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:43:47,480 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-03 05:43:47,481 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:43:47,481 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:43:47,482 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-03 05:43:47,486 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 198 [2021-11-03 05:43:47,510 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_8|, v_~inputs~0_11], 10=[|v_#valid_9|]} [2021-11-03 05:43:47,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:43:47,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-03 05:43:47,534 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:43:47,534 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-03 05:43:47,534 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:43:47,535 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-03 05:43:47,535 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:43:47,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:43:47,551 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:43:47,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 14 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2021-11-03 05:43:47,571 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:43:47,571 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 05:43:47,572 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:43:47,572 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 05:43:47,573 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:43:47,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:43:47,587 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:43:47,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:43:47,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:43:47,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:43:47,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:43:47,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-03 05:43:47,613 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:43:47,614 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:43:47,615 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:43:47,616 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 05:43:47,616 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 05:43:47,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:43:47,630 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:43:47,634 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:43:47,642 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 186 [2021-11-03 05:43:47,643 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:43:47,643 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:194, output treesize:186 [2021-11-03 05:43:47,652 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:43:47,657 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 194 [2021-11-03 05:43:47,752 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:43:48,662 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:43:48,686 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:43:48,739 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:43:48,748 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:43:48,765 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:43:48,768 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:43:48,772 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:43:48,773 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:43:48,775 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:43:48,776 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:43:48,778 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 123 [2021-11-03 05:43:48,786 INFO L185 QuantifierPusher]: treesize reduction 26, result has 90.2 percent of original size 240 [2021-11-03 05:43:48,787 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:43:48,788 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:43:48,789 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:43:48,790 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:43:48,792 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 105 [2021-11-03 05:43:48,797 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 213 [2021-11-03 05:43:48,888 INFO L185 QuantifierPusher]: treesize reduction 17, result has 97.6 percent of original size 705 [2021-11-03 05:43:48,906 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:43:48,954 INFO L180 QuantifierPusher]: treesize reduction 17, result has 98.3 percent of original size [2021-11-03 05:43:48,956 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:43:48,958 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:43:48,958 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:43:48,959 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:43:48,963 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-11-03 05:43:48,975 INFO L185 QuantifierPusher]: treesize reduction 34, result has 89.5 percent of original size 291 [2021-11-03 05:43:49,078 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3285 [2021-11-03 05:43:49,090 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:43:49,092 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:43:49,094 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:43:49,096 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:43:49,101 INFO L185 QuantifierPusher]: treesize reduction 17, result has 86.7 percent of original size 111 [2021-11-03 05:43:49,102 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:43:49,103 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:43:49,108 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-11-03 05:43:49,141 INFO L185 QuantifierPusher]: treesize reduction 34, result has 91.4 percent of original size 363 [2021-11-03 05:43:49,150 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:43:49,152 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:43:49,158 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 210 [2021-11-03 05:43:49,165 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:43:49,166 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:43:49,169 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 123 [2021-11-03 05:43:49,175 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:43:49,226 INFO L180 QuantifierPusher]: treesize reduction 34, result has 99.1 percent of original size [2021-11-03 05:43:49,756 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11360 [2021-11-03 05:43:49,760 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:43:49,830 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:43:50,004 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:43:50,006 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:43:50,016 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 298 [2021-11-03 05:43:50,054 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:43:50,057 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:43:50,087 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1650 [2021-11-03 05:43:50,210 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:43:50,213 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:43:50,229 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 342 [2021-11-03 05:43:50,678 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35210 [2021-11-03 05:43:51,063 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:43:51,073 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:43:51,088 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1293 [2021-11-03 05:43:51,250 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:43:51,276 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:43:51,307 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3495 [2021-11-03 05:43:51,622 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:43:51,630 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:43:51,644 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 944 [2021-11-03 05:43:51,706 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:43:51,708 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:43:51,729 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 984 [2021-11-03 05:43:51,730 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:43:51,740 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:43:51,740 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:43:51,746 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:43:51,779 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1626 [2021-11-03 05:43:51,815 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 834 [2021-11-03 05:43:51,846 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:43:51,863 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:43:51,886 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2121 [2021-11-03 05:43:54,422 INFO L185 QuantifierPusher]: treesize reduction 51, result has 99.8 percent of original size 24356 [2021-11-03 05:43:54,437 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:43:54,442 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:43:54,446 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:43:54,449 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:43:54,454 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:43:54,455 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:43:54,456 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:43:54,457 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:43:54,460 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-11-03 05:43:54,468 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 234 [2021-11-03 05:43:54,469 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:43:54,470 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:43:54,471 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:43:54,472 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:43:54,476 INFO L185 QuantifierPusher]: treesize reduction 13, result has 90.6 percent of original size 126 [2021-11-03 05:43:54,484 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 234 [2021-11-03 05:43:54,531 INFO L185 QuantifierPusher]: treesize reduction 17, result has 97.8 percent of original size 750 [2021-11-03 05:43:54,532 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:43:54,534 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:43:54,536 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:43:54,537 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:43:54,540 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 120 [2021-11-03 05:43:54,550 INFO L185 QuantifierPusher]: treesize reduction 34, result has 87.6 percent of original size 240 [2021-11-03 05:43:54,756 INFO L185 QuantifierPusher]: treesize reduction 51, result has 98.0 percent of original size 2491 [2021-11-03 05:44:02,297 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:02,449 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:03,340 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22890 [2021-11-03 05:44:05,757 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:05,924 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:06,560 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24515 [2021-11-03 05:44:09,941 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:10,092 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:11,169 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24479 [2021-11-03 05:44:16,047 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 380537 [2021-11-03 05:44:16,095 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:18,576 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:18,591 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:18,593 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:18,598 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 05:44:23,628 WARN L207 SmtUtils]: Spent 5.02 s on a formula simplification that was a NOOP. DAG size: 743 [2021-11-03 05:44:31,259 WARN L207 SmtUtils]: Spent 5.01 s on a formula simplification that was a NOOP. DAG size: 711 [2021-11-03 05:44:31,260 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 761040 [2021-11-03 05:44:31,282 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:31,284 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:31,284 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:31,285 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:31,288 INFO L185 QuantifierPusher]: treesize reduction 13, result has 89.3 percent of original size 109 [2021-11-03 05:44:31,296 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 220 [2021-11-03 05:44:31,312 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:44:36,395 WARN L207 SmtUtils]: Spent 5.08 s on a formula simplification that was a NOOP. DAG size: 770 [2021-11-03 05:44:36,396 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:44:46,540 WARN L207 SmtUtils]: Spent 10.14 s on a formula simplification that was a NOOP. DAG size: 770 [2021-11-03 05:44:59,217 WARN L207 SmtUtils]: Spent 10.19 s on a formula simplification that was a NOOP. DAG size: 763 [2021-11-03 05:45:09,386 WARN L207 SmtUtils]: Spent 10.16 s on a formula simplification that was a NOOP. DAG size: 756 [2021-11-03 05:45:17,202 WARN L207 SmtUtils]: Spent 5.27 s on a formula simplification that was a NOOP. DAG size: 622 [2021-11-03 05:45:58,106 WARN L207 SmtUtils]: Spent 28.98 s on a formula simplification. DAG size of input: 670 DAG size of output: 669 [2021-11-03 05:45:58,109 INFO L185 QuantifierPusher]: treesize reduction 39, result has 100.0 percent of original size 1009929 [2021-11-03 05:45:58,118 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:45:58,119 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:45:58,122 INFO L185 QuantifierPusher]: treesize reduction 4, result has 94.9 percent of original size 74 [2021-11-03 05:45:58,133 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:46:33,551 WARN L207 SmtUtils]: Spent 35.42 s on a formula simplification. DAG size of input: 691 DAG size of output: 690 [2021-11-03 05:46:33,553 INFO L180 QuantifierPusher]: treesize reduction 39, result has 100.0 percent of original size [2021-11-03 05:46:46,553 WARN L207 SmtUtils]: Spent 12.99 s on a formula simplification that was a NOOP. DAG size: 690 [2021-11-03 05:46:49,911 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 263199 [2021-11-03 05:46:56,593 WARN L207 SmtUtils]: Spent 6.68 s on a formula simplification. DAG size of input: 480 DAG size of output: 480 [2021-11-03 05:46:56,604 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:46:56,608 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:46:56,634 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1096 [2021-11-03 05:46:56,665 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 454 [2021-11-03 05:46:56,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:46:56,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:46:56,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:46:57,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:46:57,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:46:57,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:46:57,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:46:57,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:46:57,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:46:57,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:46:57,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:46:57,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:46:58,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:46:58,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:46:58,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:46:58,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:46:58,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:46:58,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:46:58,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:46:58,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:46:58,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:46:58,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:46:58,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:46:59,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:46:59,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:46:59,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:46:59,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:46:59,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:46:59,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:46:59,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:46:59,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:46:59,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:46:59,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:46:59,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:46:59,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:00,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:00,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:00,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:00,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:00,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:00,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:00,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:00,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:00,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:00,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:00,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:00,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:00,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:00,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:00,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:01,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:01,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:01,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:01,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:01,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:01,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:01,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:01,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:01,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:01,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:01,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:01,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:01,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:01,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:01,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:01,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:01,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:01,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:02,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:02,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:02,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:02,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:02,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:02,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:02,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:02,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:02,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:02,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:02,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:02,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:02,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:02,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:02,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:02,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:02,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:02,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:02,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:03,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:03,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:03,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:03,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:03,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:03,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:03,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:03,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:03,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:03,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:03,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:03,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:03,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:03,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:03,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:03,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:03,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:03,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:04,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:04,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:04,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:04,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:04,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:04,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:04,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:04,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:04,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:04,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:04,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:04,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:04,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:04,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:04,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:04,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:04,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:04,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:05,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:05,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:05,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:05,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:05,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:05,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:05,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:05,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:05,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:05,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:05,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:05,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:05,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:05,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:05,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:05,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:05,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:05,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:06,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:06,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:06,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:06,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:06,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:06,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:06,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:06,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:06,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:47:06,527 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:47:06,580 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1273 [2021-11-03 05:47:06,654 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:47:07,084 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:47:07,108 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:47:07,156 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:47:07,167 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:47:07,188 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:47:07,191 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:47:07,192 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:47:07,194 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:47:07,195 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:47:07,195 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:47:07,199 INFO L185 QuantifierPusher]: treesize reduction 17, result has 86.1 percent of original size 105 [2021-11-03 05:47:07,199 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:47:07,201 INFO L180 QuantifierPusher]: treesize reduction 17, result has 89.9 percent of original size [2021-11-03 05:47:07,206 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-11-03 05:47:07,212 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 253 [2021-11-03 05:47:07,212 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:47:07,213 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:47:07,218 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 168 [2021-11-03 05:47:07,242 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 728 [2021-11-03 05:47:07,256 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:47:07,259 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:47:07,263 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:47:07,264 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:47:07,265 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:47:07,266 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:47:07,270 INFO L185 QuantifierPusher]: treesize reduction 17, result has 86.1 percent of original size 105 [2021-11-03 05:47:07,278 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 213 [2021-11-03 05:47:07,279 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:47:07,280 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:47:07,282 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:47:07,282 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:47:07,286 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-11-03 05:47:07,293 INFO L185 QuantifierPusher]: treesize reduction 34, result has 87.3 percent of original size 234 [2021-11-03 05:47:07,343 INFO L185 QuantifierPusher]: treesize reduction 34, result has 95.5 percent of original size 718 [2021-11-03 05:47:07,354 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:47:07,357 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:47:07,358 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:47:07,360 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:47:07,361 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:47:07,361 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:47:07,368 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-11-03 05:47:07,379 INFO L185 QuantifierPusher]: treesize reduction 26, result has 92.2 percent of original size 309 [2021-11-03 05:47:07,380 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:47:07,382 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:47:07,384 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:47:07,385 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:47:07,389 INFO L185 QuantifierPusher]: treesize reduction 17, result has 87.9 percent of original size 123 [2021-11-03 05:47:07,402 INFO L185 QuantifierPusher]: treesize reduction 34, result has 88.6 percent of original size 264 [2021-11-03 05:47:07,439 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:47:07,441 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:47:07,460 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 903 [2021-11-03 05:47:07,494 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1071 [2021-11-03 05:47:07,500 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:47:07,527 INFO L180 QuantifierPusher]: treesize reduction 34, result has 96.5 percent of original size [2021-11-03 05:47:07,529 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:47:07,531 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:47:07,536 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 210 [2021-11-03 05:47:07,613 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2382 [2021-11-03 05:47:07,617 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:47:07,627 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:47:07,806 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5046 [2021-11-03 05:47:08,473 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:47:08,506 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:47:08,876 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15240 [2021-11-03 05:47:09,594 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:47:09,627 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:47:09,995 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15226 [2021-11-03 05:47:10,516 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:47:10,550 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:47:10,620 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:47:10,654 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:47:10,826 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8037 [2021-11-03 05:47:11,098 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10551 [2021-11-03 05:47:12,113 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77262 [2021-11-03 05:47:12,135 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:47:12,141 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:47:12,149 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:47:12,152 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:47:12,154 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:47:12,155 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:47:12,156 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:47:12,157 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:47:12,161 INFO L185 QuantifierPusher]: treesize reduction 17, result has 87.9 percent of original size 123 [2021-11-03 05:47:12,172 INFO L185 QuantifierPusher]: treesize reduction 26, result has 90.2 percent of original size 240 [2021-11-03 05:47:12,173 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:47:12,174 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:47:12,175 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:47:12,176 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:47:12,178 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 114 [2021-11-03 05:47:12,183 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 219 [2021-11-03 05:47:12,240 INFO L185 QuantifierPusher]: treesize reduction 17, result has 97.8 percent of original size 752 [2021-11-03 05:47:12,242 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:47:12,245 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:47:12,246 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:47:12,247 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:47:12,251 INFO L185 QuantifierPusher]: treesize reduction 13, result has 90.6 percent of original size 126 [2021-11-03 05:47:12,251 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:47:12,252 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:47:12,257 INFO L185 QuantifierPusher]: treesize reduction 13, result has 90.6 percent of original size 126 [2021-11-03 05:47:12,263 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:47:12,264 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:47:12,269 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 309 [2021-11-03 05:47:12,278 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 363 [2021-11-03 05:47:12,456 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2666 [2021-11-03 05:47:14,904 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:47:14,922 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:47:15,030 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5449 [2021-11-03 05:47:15,954 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:47:15,985 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:47:16,119 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7062 [2021-11-03 05:47:16,475 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:47:16,494 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:47:16,606 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5429 [2021-11-03 05:47:17,581 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:47:17,601 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:47:17,716 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5439 [2021-11-03 05:47:18,567 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:47:18,586 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:47:18,727 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7041 [2021-11-03 05:49:50,220 WARN L207 SmtUtils]: Spent 2.49 m on a formula simplification. DAG size of input: 727 DAG size of output: 727 [2021-11-03 05:49:50,223 INFO L185 QuantifierPusher]: treesize reduction 102, result has 100.0 percent of original size 1532903 [2021-11-03 05:49:50,508 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:49:50,517 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:49:50,541 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:49:50,544 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:49:50,548 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:49:50,549 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:49:50,550 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:49:50,551 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:49:50,553 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 123 [2021-11-03 05:49:50,561 INFO L185 QuantifierPusher]: treesize reduction 26, result has 90.2 percent of original size 240 [2021-11-03 05:49:50,562 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:49:50,563 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:49:50,565 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:49:50,565 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:49:50,568 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 105 [2021-11-03 05:49:50,572 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 213 [2021-11-03 05:49:50,624 INFO L185 QuantifierPusher]: treesize reduction 17, result has 97.6 percent of original size 705 [2021-11-03 05:49:50,635 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:49:50,664 INFO L180 QuantifierPusher]: treesize reduction 17, result has 98.3 percent of original size [2021-11-03 05:49:50,666 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:49:50,667 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:49:50,669 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:49:50,670 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:49:50,673 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-11-03 05:49:50,683 INFO L185 QuantifierPusher]: treesize reduction 34, result has 89.5 percent of original size 291 [2021-11-03 05:49:50,778 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3285 [2021-11-03 05:49:50,789 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:49:50,791 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:49:50,793 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:49:50,794 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:49:50,797 INFO L185 QuantifierPusher]: treesize reduction 17, result has 86.7 percent of original size 111 [2021-11-03 05:49:50,798 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:49:50,799 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:49:50,801 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-11-03 05:49:50,824 INFO L185 QuantifierPusher]: treesize reduction 34, result has 91.4 percent of original size 363 [2021-11-03 05:49:50,833 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:49:50,834 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:49:50,839 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 210 [2021-11-03 05:49:50,846 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:49:50,847 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:49:50,857 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 123 [2021-11-03 05:49:50,863 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:49:50,911 INFO L180 QuantifierPusher]: treesize reduction 34, result has 99.1 percent of original size [2021-11-03 05:49:51,355 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11360 [2021-11-03 05:49:51,358 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:49:51,425 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:49:51,586 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:49:51,587 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:49:51,597 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 342 [2021-11-03 05:49:51,667 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:49:51,669 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:49:51,698 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1650 [2021-11-03 05:49:51,780 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:49:51,783 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:49:51,797 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 298 [2021-11-03 05:49:52,220 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36104 [2021-11-03 05:49:53,641 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49097 [2021-11-03 05:49:53,830 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:49:53,835 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:49:53,846 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:49:53,848 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:49:53,849 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:49:53,851 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:49:53,854 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 168 [2021-11-03 05:49:53,855 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:49:53,856 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:49:53,859 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 05:49:53,875 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 505 [2021-11-03 05:49:53,879 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:49:53,883 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:49:53,884 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:49:53,885 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:49:53,887 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:49:53,888 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:49:53,892 INFO L185 QuantifierPusher]: treesize reduction 17, result has 88.1 percent of original size 126 [2021-11-03 05:49:53,899 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 252 [2021-11-03 05:49:53,951 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1791 [2021-11-03 05:49:53,953 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:49:53,954 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:49:53,956 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:49:53,957 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:49:53,960 INFO L185 QuantifierPusher]: treesize reduction 17, result has 87.2 percent of original size 116 [2021-11-03 05:49:53,970 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 239 [2021-11-03 05:49:53,987 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:49:53,991 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:49:54,077 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3057 [2021-11-03 05:49:54,290 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5356 [2021-11-03 05:49:54,461 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:49:54,741 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:49:54,756 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:49:54,761 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:49:54,770 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:49:54,771 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:49:54,773 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:49:54,774 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:49:54,777 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 120 [2021-11-03 05:49:54,787 INFO L185 QuantifierPusher]: treesize reduction 34, result has 87.6 percent of original size 240 [2021-11-03 05:49:54,790 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:49:54,793 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:49:54,795 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:49:54,796 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:49:54,797 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:49:54,798 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:49:54,800 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-11-03 05:49:54,806 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 234 [2021-11-03 05:49:54,807 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:49:54,808 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:49:54,809 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:49:54,810 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:49:54,813 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-11-03 05:49:54,817 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 234 [2021-11-03 05:49:54,851 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 777 [2021-11-03 05:49:55,019 INFO L185 QuantifierPusher]: treesize reduction 51, result has 98.0 percent of original size 2542 [2021-11-03 05:49:59,072 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:49:59,359 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:50:00,484 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49256 [2021-11-03 05:50:18,785 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 768554 [2021-11-03 05:50:18,894 WARN L197 QuantifierPusher]: Ignoring assumption.